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<title>libdap++: libdap::Connect Class Reference</title>
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<div class="navpath"><a class="el" href="namespacelibdap.html">libdap</a>::<a class="el" href="classlibdap_1_1Connect.html">Connect</a>
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<h1>libdap::Connect Class Reference</h1><!-- doxytag: class="libdap::Connect" -->Holds information about the link from a DAP2 client to a dataset.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="Connect_8h_source.html">Connect.h</a>></code>
<p>
<div class="dynheader">
Inheritance diagram for libdap::Connect:</div>
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<p><center><img src="classlibdap_1_1Connect__inherit__graph.png" border="0" usemap="#libdap_1_1Connect__inherit__map" alt="Inheritance graph"></center>
<map name="libdap_1_1Connect__inherit__map">
<area shape="rect" id="node3" href="classlibdap_1_1AISConnect.html" title="{libdap::AISConnect\n|- d_ais_merge\l|+ AISConnect()\l+ AISConnect()\l+ request_das()\l+ ~AISConnect()\l# AISConnect()\l# AISConnect()\l* AISConnect()\l* AISConnect()\l}" alt="" coords="25,689,225,869"></map>
<center><font size="2">[<a target="top" href="graph_legend.html">legend</a>]</font></center></div>
<div class="dynheader">
Collaboration diagram for libdap::Connect:</div>
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<p><center><img src="classlibdap_1_1Connect__coll__graph.png" border="0" usemap="#libdap_1_1Connect__coll__map" alt="Collaboration graph"></center>
<map name="libdap_1_1Connect__coll__map">
<area shape="rect" id="node2" href="classlibdap_1_1HTTPConnect.html" title="{libdap::HTTPConnect\n|- d_accept_deflate\l- d_cookie_jar\l- d_curl\l- d_dap_client_protocol_major\l- d_dap_client_protocol_minor\l- d_error_buffer\l- d_http_cache\l- d_password\l- d_rcr\l- d_request_headers\l- d_upstring\l- d_username\l|+ fetch_url()\l+ HTTPConnect()\l+ is_cache_enabled()\l+ set_accept_deflate()\l+ set_cache_enabled()\l+ set_cookie_jar()\l+ set_credentials()\l+ set_xdap_protocol()\l+ ~HTTPConnect()\l# HTTPConnect()\l# HTTPConnect()\l# operator=()\l- caching_fetch_url()\l- extract_auth_info()\l- plain_fetch_url()\l- read_url()\l- url_uses_no_proxy_for()\l- url_uses_proxy_for()\l- www_lib_init()\l* HTTPConnect()\l* HTTPConnect()\l* operator=()\l}" alt="" coords="717,2379,1029,2925"><area shape="rect" id="node4" href="classlibdap_1_1RCReader.html" title="{libdap::RCReader\n|- _dods_always_validate\l- _dods_cache_max\l- _dods_cached_obj\l- _dods_default_expires\l- _dods_deflate\l- _dods_ign_expires\l- _dods_no_proxy_for_port\l- _dods_proxy_for\l- _dods_proxy_for_proxy_host_url\l- _dods_proxy_for_regexp\l- _dods_proxy_for_regexp_flags\l- _dods_proxy_server_host_url\l- _dods_use_cache\l- d_ais_database\l- d_cache_root\l- d_cookie_jar\l- d_dods_no_proxy_for\l- d_dods_no_proxy_for_host\l- d_dods_no_proxy_for_protocol\l- d_dods_proxy_server_host\l- d_dods_proxy_server_port\l- d_dods_proxy_server_protocol\l- d_dods_proxy_server_userpw\l- d_rc_file_path\l- d_validate_ssl\l- _instance\l|+ get_ais_database()\l+ get_always_validate()\l+ get_cookie_jar()\l+ get_default_expires()\l+ get_deflate()\l+ get_dods_cache_root()\l+ get_ignore_expires()\l+ get_max_cache_size()\l+ get_max_cached_obj()\l+ get_no_proxy_for_host()\l+ get_no_proxy_for_port()\l+ get_no_proxy_for_protocol()\l+ get_proxy_for_proxy_host_url()\l+ get_proxy_for_regexp()\l+ get_proxy_for_regexp_flags()\l+ get_proxy_server_host()\l+ get_proxy_server_host_url()\l+ get_proxy_server_port()\l+ get_proxy_server_protocol()\l+ get_proxy_server_userpw()\l+ get_use_cache()\l+ get_validate_ssl()\l+ is_no_proxy_for_used()\l+ is_proxy_for_used()\l+ set_ais_database()\l+ set_always_validate()\l+ set_default_expires()\l+ set_deflate()\l+ set_ignore_expires()\l+ set_max_cache_size()\l+ set_max_cached_obj()\l+ set_no_proxy_for_host()\l+ set_no_proxy_for_port()\l+ set_no_proxy_for_protocol()\l+ set_proxy_for_proxy_host_url()\l+ set_proxy_for_regexp()\l+ set_proxy_for_regexp_flags()\l+ set_proxy_server_host()\l+ set_proxy_server_host_url()\l+ set_proxy_server_port()\l+ set_proxy_server_protocol()\l+ set_proxy_server_userpw()\l+ set_use_cache()\l+ set_validate_ssl()\l+ instance()\l- check_env_var()\l- check_string()\l- RCReader()\l- read_rc_file()\l- write_rc_file()\l- ~RCReader()\l- delete_instance()\l- initialize_instance()\l}" alt="" coords="369,1107,711,2314"><area shape="rect" id="node15" href="classlibdap_1_1HTTPCache.html" title="{libdap::HTTPCache\n|- d_always_validate\l- d_cache_control\l- d_cache_disconnected\l- d_cache_enabled\l- d_cache_mutex\l- d_cache_protected\l- d_cache_root\l- d_default_expiration\l- d_expire_ignored\l- d_folder_size\l- d_gc_buffer\l- d_http_cache_table\l- d_locked_open_file\l- d_max_age\l- d_max_entry_size\l- d_max_stale\l- d_min_fresh\l- d_open_files\l- d_total_size\l- _instance\l|+ cache_response()\l+ get_cached_response()\l+ get_cached_response()\l+ get_cached_response()\l+ get_conditional_request_headers()\l+ is_url_valid()\l+ lock_cache_interface()\l+ purge_cache()\l+ release_cached_response()\l+ unlock_cache_interface()\l+ update_response()\l+ ~HTTPCache()\l+ instance()\l- get_single_user_lock()\l- HTTPCache()\l- HTTPCache()\l- HTTPCache()\l- is_url_in_cache()\l- open_body()\l- operator=()\l- read_metadata()\l- release_single_user_lock()\l- write_body()\l- write_metadata()\l- expired_gc()\l- hits_gc()\l- perform_garbage_collection()\l- startGC()\l- stopGC()\l- too_big_gc()\l- delete_instance()\l* create_cache_root()\l* set_cache_root()\l* get_always_validate()\l* get_cache_control()\l* get_cache_disconnected()\l* get_cache_root()\l* get_default_expiration()\l* get_max_entry_size()\l* get_max_size()\l* is_cache_enabled()\l* is_expire_ignored()\l* set_always_validate()\l* set_cache_control()\l* set_cache_disconnected()\l* set_cache_enabled()\l* set_default_expiration()\l* set_expire_ignored()\l* set_max_entry_size()\l* set_max_size()\l* expired_gc()\l* hits_gc()\l* perform_garbage_collection()\l* startGC()\l* stopGC()\l* too_big_gc()\l}" alt="" coords="1921,1129,2292,2292"><area shape="rect" id="node17" href="classlibdap_1_1HTTPCacheTable.html" title="{libdap::HTTPCacheTable\n|- d_block_size\l- d_cache_index\l- d_cache_root\l- d_cache_table\l- d_current_size\l- d_locked_entries\l- d_new_entries\l|+ bind_entry_to_data()\l+ create_hash_directory()\l+ create_location()\l+ delete_by_hits()\l+ delete_by_size()\l+ delete_expired_entries()\l+ HTTPCacheTable()\l+ is_locked_read_responses()\l+ uncouple_entry_from_data()\l+ ~HTTPCacheTable()\l+ cache_index_delete()\l+ cache_index_parse_line()\l+ cache_index_read()\l+ cache_index_write()\l+ get_block_size()\l+ get_cache_root()\l+ get_current_size()\l+ get_new_entries()\l+ increment_new_entries()\l+ set_block_size()\l+ set_cache_root()\l+ set_current_size()\l- get_cache_table()\l- HTTPCacheTable()\l- HTTPCacheTable()\l- operator=()\l* get_locked_entry_from_cache_table()\l* add_entry_to_cache_table()\l* calculate_time()\l* delete_all_entries()\l* get_locked_entry_from_cache_table()\l* get_write_locked_entry_from_cache_table()\l* parse_headers()\l* remove_cache_entry()\l* remove_entry_from_cache_table()\l* cache_index_delete()\l* cache_index_parse_line()\l* cache_index_read()\l* cache_index_write()\l* get_block_size()\l* get_cache_root()\l* get_current_size()\l* get_new_entries()\l* increment_new_entries()\l* set_block_size()\l* set_cache_root()\l* set_current_size()\l}" alt="" coords="1125,160,1576,1000"></map>
<center><font size="2">[<a target="top" href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classlibdap_1_1Connect-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual string </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#0e55cc99530cab779ae83984c2a22f51">CE</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the Connect's constraint expression. <a href="#0e55cc99530cab779ae83984c2a22f51"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#03b8c9f6773a25c3c837b9890099d5e8">Connect</a> (const string &name, string uname="", string password="") throw (Error, InternalErr)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create an instance of <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a>. <a href="#03b8c9f6773a25c3c837b9890099d5e8"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">string </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#4223a898b3da719509d173dd990c45f1">get_protocol</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">string </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#30fe6746add5a210d59b5dc9d678355f">get_version</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#00fa7d5e2e658e8c882e07f48562ea62">is_cache_enabled</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#3901ce9383c3df11d1a1c28d4a09bb54">is_local</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#e50d98d353023b9786c9bd5b0833a7de">read_data</a> (<a class="el" href="classlibdap_1_1DataDDS.html">DataDDS</a> &data, <a class="el" href="classlibdap_1_1Response.html">Response</a> *rs)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read data which is preceded by MIME headers. <a href="#e50d98d353023b9786c9bd5b0833a7de"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#486b095a58614dfc2be0321035784306">read_data_no_mime</a> (<a class="el" href="classlibdap_1_1DataDDS.html">DataDDS</a> &data, <a class="el" href="classlibdap_1_1Response.html">Response</a> *rs)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read data from a file which does not have response MIME headers. This method is a companion to <a class="el" href="classlibdap_1_1Connect.html#e50d98d353023b9786c9bd5b0833a7de" title="Read data which is preceded by MIME headers.">read_data()</a>. While <a class="el" href="classlibdap_1_1Connect.html#e50d98d353023b9786c9bd5b0833a7de" title="Read data which is preceded by MIME headers.">read_data()</a> assumes that the response has MIME headers, this method does not. If you call this with a <a class="el" href="classlibdap_1_1Response.html">Response</a> that does contain headers, it will throw an <a class="el" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> (and the message is likely to be inscrutable). <a href="#486b095a58614dfc2be0321035784306"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#816ef3bb8e729712ffeb6523f2cc4f0e">request_das</a> (<a class="el" href="classlibdap_1_1DAS.html">DAS</a> &das)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the <a class="el" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> from a server. <a href="#816ef3bb8e729712ffeb6523f2cc4f0e"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#bcf814710de1e252e74a4e1b72d3c6b3">request_das_url</a> (<a class="el" href="classlibdap_1_1DAS.html">DAS</a> &das)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the <a class="el" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> from a server. <a href="#bcf814710de1e252e74a4e1b72d3c6b3"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#814e98ac5e99927ccc79bb0feb32d241">request_data</a> (<a class="el" href="classlibdap_1_1DataDDS.html">DataDDS</a> &data, string expr="")</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the <a class="el" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> from a server. <a href="#814e98ac5e99927ccc79bb0feb32d241"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#c8582099411b8d74b03e761129df5b5c">request_data_url</a> (<a class="el" href="classlibdap_1_1DataDDS.html">DataDDS</a> &data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the <a class="el" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> from a server. <a href="#c8582099411b8d74b03e761129df5b5c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#ad5ef370110577e9ca2a0161928f9efa">request_dds</a> (<a class="el" href="classlibdap_1_1DDS.html">DDS</a> &dds, string expr="")</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the <a class="el" href="classlibdap_1_1DDS.html">DDS</a> from a server. <a href="#ad5ef370110577e9ca2a0161928f9efa"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#08795a9e160db409423fcd9058ba975d">request_dds_url</a> (<a class="el" href="classlibdap_1_1DDS.html">DDS</a> &dds)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the <a class="el" href="classlibdap_1_1DDS.html">DDS</a> from a server. <a href="#08795a9e160db409423fcd9058ba975d"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#4395cc18cf5ec1a5167795a5a5491958">request_ddx</a> (<a class="el" href="classlibdap_1_1DDS.html">DDS</a> &dds, string expr="")</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the DDX from a server. <a href="#4395cc18cf5ec1a5167795a5a5491958"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#9a3e1fe01455b60a90a1974a7e871bb4">request_ddx_url</a> (<a class="el" href="classlibdap_1_1DDS.html">DDS</a> &dds)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The 'url' version of request_ddx. <a href="#9a3e1fe01455b60a90a1974a7e871bb4"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual string </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#aa1ab562899da9a4630de01f943d1aa9">request_protocol</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual string </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#c7a5896a09882004b75e581999940526">request_version</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#186f76bfea3b61dc3587bcff5760ed8b">set_accept_deflate</a> (bool deflate)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#25c97c4ad0239a9dd10812c880c40efe">set_cache_enabled</a> (bool enabled)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#847af75e149f123a51a560119dfc06aa">set_credentials</a> (string u, string p)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the credentials for responding to challenges while dereferencing URLs. <a href="#847af75e149f123a51a560119dfc06aa"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#b9c4a1243218c98d46fbaace37a821fc">set_xdap_accept</a> (int major, int minor)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#4af759a2313d9ecbc1db1c811f549379">set_xdap_protocol</a> (int major, int minor)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual string </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#523bf24520185e3d71f36ac0203b98e6">URL</a> (bool CE=true)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the object's URL. <a href="#523bf24520185e3d71f36ac0203b98e6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#cacffa987a2d9a36f355dd471970fdcf">~Connect</a> ()</td></tr>
<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">Suppress the C++ defaults for these.</div></td></tr>
<tr><td colspan="2"><div class="groupText"><br><br></div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#5d78784ceacab07c922c2999c335807a">Connect</a> (const <a class="el" href="classlibdap_1_1Connect.html">Connect</a> &)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#519d36213fc5f0fefc0c11a6b131beb8">Connect</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classlibdap_1_1Connect.html">Connect</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classlibdap_1_1Connect.html#2b8e5380df6d65484a329fa5332ab324">operator=</a> (const <a class="el" href="classlibdap_1_1Connect.html">Connect</a> &)</td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
<a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> objects are used as containers for information pertaining to the connection a user program makes to a dataset. The dataset may be either local (for example, a file on the user's own computer) or a remote dataset. In the latter case a DAP2 URL will be used to reference the dataset, instead of a filename.<p>
<a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> contains methods which can be used to read the DAP2 <a class="el" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> and <a class="el" href="classlibdap_1_1DDS.html">DDS</a> objects from the remote dataset as well as reading data. The class understands in a rudimentary way how DAP2 constraint expressions are formed and how to manage them.<p>
<a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> also provides additional services such as automatic decompression of compressed data, transmission progress reports and error processing. Refer to the GUI and <a class="el" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> classes for more information about these features. See the <a class="el" href="classlibdap_1_1DODSFilter.html" title="Common functions for DODS server filter programs.">DODSFilter</a> class for information on servers that compress data.<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>Update: I removed the DEFAULT_BASETYPE_FACTORY switch because it caused more confusion than it avoided. See Trac #130.<p>
The compile-time symbol DEFAULT_BASETYPE_FACTORY controls whether the old (3.4 and earlier) <a class="el" href="classlibdap_1_1DDS.html">DDS</a> and <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> constructors are supported. These constructors now use a default factory class (<a class="el" href="classlibdap_1_1BaseTypeFactory.html">BaseTypeFactory</a>, implemented by this library) to instantiate <a class="el" href="classlibdap_1_1Byte.html" title="Holds a single byte.">Byte</a>, ..., <a class="el" href="classlibdap_1_1Grid.html" title="Holds the Grid data type.">Grid</a> variables. To use the default ctor in your code you must also define this symbol. If you <em>do</em> choose to define this and fail to provide a specialization of <a class="el" href="classlibdap_1_1BaseTypeFactory.html">BaseTypeFactory</a> when your software needs one, you code may not link or may fail at run time. In addition to the older ctors for <a class="el" href="classlibdap_1_1DDS.html">DDS</a> and <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a>, defining the symbol also makes some of the older methods in <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> available (because those methods require the older <a class="el" href="classlibdap_1_1DDS.html">DDS</a> and <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> ctors.</dd></dl>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classlibdap_1_1DDS.html">DDS</a> <p>
<a class="el" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> <p>
<a class="el" href="classlibdap_1_1DODSFilter.html" title="Common functions for DODS server filter programs.">DODSFilter</a> <p>
<a class="el" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> </dd></dl>
<dl class="author" compact><dt><b>Author:</b></dt><dd>jhrg </dd></dl>
<p>Definition at line <a class="el" href="Connect_8h_source.html#l00133">133</a> of file <a class="el" href="Connect_8h_source.html">Connect.h</a>.</p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="519d36213fc5f0fefc0c11a6b131beb8"></a><!-- doxytag: member="libdap::Connect::Connect" ref="519d36213fc5f0fefc0c11a6b131beb8" args="()" -->
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<p>Definition at line <a class="el" href="Connect_8h_source.html#l00154">154</a> of file <a class="el" href="Connect_8h_source.html">Connect.h</a>.</p>
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<a class="anchor" name="5d78784ceacab07c922c2999c335807a"></a><!-- doxytag: member="libdap::Connect::Connect" ref="5d78784ceacab07c922c2999c335807a" args="(const Connect &)" -->
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<p>Definition at line <a class="el" href="Connect_8h_source.html#l00156">156</a> of file <a class="el" href="Connect_8h_source.html">Connect.h</a>.</p>
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The <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> constructor requires a <code>name</code>, which is the URL to which the connection is to be made.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>n</em> </td><td>The URL for the virtual connection. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>uname</em> </td><td>Use this username for authentication. Null by default. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>password</em> </td><td>Password to use for authentication. Null by default. </td></tr>
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<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00214">214</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="debug_8h_source.html#l00058">DBG</a>, <a class="el" href="RCReader_8cc_source.html#l00483">libdap::RCReader::instance()</a>, and <a class="el" href="util_8cc_source.html#l00096">libdap::prune_spaces()</a>.</p>
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<a class="anchor" name="cacffa987a2d9a36f355dd471970fdcf"></a><!-- doxytag: member="libdap::Connect::~Connect" ref="cacffa987a2d9a36f355dd471970fdcf" args="()" -->
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<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00261">261</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="debug_8h_source.html#l00073">DBG2</a>.</p>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="0e55cc99530cab779ae83984c2a22f51"></a><!-- doxytag: member="libdap::Connect::CE" ref="0e55cc99530cab779ae83984c2a22f51" args="()" -->
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Return the constraint expression (CE) part of the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> URL. Note that this CE is supplied as part of the URL passed to the Connect's constructor. It is not the CE passed to the <code><a class="el" href="classlibdap_1_1Connect.html#814e98ac5e99927ccc79bb0feb32d241" title="Get the DAS from a server.">request_data()</a></code> function.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>A string containing the constraint expression (if any) submitted to the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's constructor. </dd></dl>
<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00926">926</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
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<a class="anchor" name="4223a898b3da719509d173dd990c45f1"></a><!-- doxytag: member="libdap::Connect::get_protocol" ref="4223a898b3da719509d173dd990c45f1" args="()" -->
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Return the DAP protocol version of the most recent response. Before a response is made, this contains the string "2.0."
<p>Definition at line <a class="el" href="Connect_8h_source.html#l00202">202</a> of file <a class="el" href="Connect_8h_source.html">Connect.h</a>.</p>
<p>Referenced by <a class="el" href="getdap_8cc_source.html#l00152">main()</a>.</p>
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<a class="anchor" name="30fe6746add5a210d59b5dc9d678355f"></a><!-- doxytag: member="libdap::Connect::get_version" ref="30fe6746add5a210d59b5dc9d678355f" args="()" -->
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Return the protocol/implementation version of the most recent response. This is a poorly designed method, but it returns information that is useful when used correctly. Before a response is made, this contains the string "unknown." This should ultimately hold the <em>protocol</em> version; it currently holds the <em>implementation</em> version.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classlibdap_1_1Connect.html#4223a898b3da719509d173dd990c45f1">get_protocol()</a> </dd></dl>
<dl class="deprecated" compact><dt><b><a class="el" href="deprecated.html#_deprecated000008">Deprecated:</a></b></dt><dd></dd></dl>
<p>Definition at line <a class="el" href="Connect_8h_source.html#l00194">194</a> of file <a class="el" href="Connect_8h_source.html">Connect.h</a>.</p>
<p>Referenced by <a class="el" href="getdap_8cc_source.html#l00152">main()</a>.</p>
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<a class="anchor" name="00fa7d5e2e658e8c882e07f48562ea62"></a><!-- doxytag: member="libdap::Connect::is_cache_enabled" ref="00fa7d5e2e658e8c882e07f48562ea62" args="()" -->
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<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00980">980</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="debug_8h_source.html#l00058">DBG</a>, <a class="el" href="debug_8h_source.html#l00059">DBGN</a>, and <a class="el" href="HTTPConnect_8h_source.html#l00162">libdap::HTTPConnect::is_cache_enabled()</a>.</p>
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<a class="anchor" name="3901ce9383c3df11d1a1c28d4a09bb54"></a><!-- doxytag: member="libdap::Connect::is_local" ref="3901ce9383c3df11d1a1c28d4a09bb54" args="()" -->
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<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00883">883</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>Referenced by <a class="el" href="getdap_8cc_source.html#l00152">main()</a>.</p>
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<td class="memname"><a class="el" href="classlibdap_1_1Connect.html">Connect</a>& libdap::Connect::operator= </td>
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<p>Definition at line <a class="el" href="Connect_8h_source.html#l00158">158</a> of file <a class="el" href="Connect_8h_source.html">Connect.h</a>.</p>
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This is a place holder. A better implementation for reading objects from the local file store is to write FileConnect and have it support the same interface as <a class="el" href="classlibdap_1_1HTTPConnect.html">HTTPConnect</a>.<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>If you need the <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> to hold specializations of the type classes, be sure to include the factory class which will instantiate those specializations in the <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a>. Either pass a pointer to the factory to <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> constructor or use the <a class="el" href="classlibdap_1_1DDS.html#bd73e1da6d32409062399c6e3333814a">DDS::set_factory()</a> method after the object is built.</dd></dl>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classlibdap_1_1Connect.html#486b095a58614dfc2be0321035784306" title="Read data from a file which does not have response MIME headers. This method is a...">read_data_no_mime()</a> </dd></dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>Result. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>rs</em> </td><td>Read from this <a class="el" href="classlibdap_1_1Response.html">Response</a> object. </td></tr>
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<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00854">854</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="Connect_8cc_source.html#l00874">read_data_no_mime()</a>.</p>
<p>Referenced by <a class="el" href="getdap_8cc_source.html#l00152">main()</a>.</p>
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<a class="anchor" name="486b095a58614dfc2be0321035784306"></a><!-- doxytag: member="libdap::Connect::read_data_no_mime" ref="486b095a58614dfc2be0321035784306" args="(DataDDS &data, Response *rs)" -->
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<dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em>rs</em> </td><td>Read from this <a class="el" href="classlibdap_1_1Response.html">Response</a> object. </td></tr>
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<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00874">874</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="Response_8h_source.html#l00127">libdap::Response::get_protocol()</a>, and <a class="el" href="Response_8h_source.html#l00123">libdap::Response::get_version()</a>.</p>
<p>Referenced by <a class="el" href="getdap_8cc_source.html#l00152">main()</a>, and <a class="el" href="Connect_8cc_source.html#l00854">read_data()</a>.</p>
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<a class="anchor" name="816ef3bb8e729712ffeb6523f2cc4f0e"></a><!-- doxytag: member="libdap::Connect::request_das" ref="816ef3bb8e729712ffeb6523f2cc4f0e" args="(DAS &das)" -->
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<td class="memname">void libdap::Connect::request_das </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classlibdap_1_1DAS.html">DAS</a> & </td>
<td class="paramname"> <em>das</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Reads the <a class="el" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> corresponding to the dataset in the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's URL. Although DAP does not support using CEs with <a class="el" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> requests, if present in the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's instance, they will be escaped and passed as the query string of the request.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>das</em> </td><td>Result. </td></tr>
</table>
</dl>
<p>Reimplemented in <a class="el" href="classlibdap_1_1AISConnect.html#cddb989623fc4e3aed42710a50f45178">libdap::AISConnect</a>.</p>
<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00343">343</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="ObjectType_8h_source.html#l00057">libdap::dods_das</a>, <a class="el" href="ObjectType_8h_source.html#l00060">libdap::dods_error</a>, <a class="el" href="HTTPConnect_8cc_source.html#l00645">libdap::HTTPConnect::fetch_url()</a>, <a class="el" href="Response_8h_source.html#l00127">libdap::Response::get_protocol()</a>, <a class="el" href="Response_8h_source.html#l00115">libdap::Response::get_stream()</a>, <a class="el" href="Response_8h_source.html#l00119">libdap::Response::get_type()</a>, <a class="el" href="Response_8h_source.html#l00123">libdap::Response::get_version()</a>, <a class="el" href="escaping_8cc_source.html#l00175">libdap::id2www_ce()</a>, <a class="el" href="DAS_8cc_source.html#l00277">libdap::DAS::parse()</a>, <a class="el" href="Error_8cc_source.html#l00159">libdap::Error::parse()</a>, and <a class="el" href="ObjectType_8h_source.html#l00061">libdap::web_error</a>.</p>
<p>Referenced by <a class="el" href="getdap_8cc_source.html#l00152">main()</a>.</p>
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<a class="anchor" name="bcf814710de1e252e74a4e1b72d3c6b3"></a><!-- doxytag: member="libdap::Connect::request_das_url" ref="bcf814710de1e252e74a4e1b72d3c6b3" args="(DAS &das)" -->
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<td class="memname">void libdap::Connect::request_das_url </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classlibdap_1_1DAS.html">DAS</a> & </td>
<td class="paramname"> <em>das</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
</tr>
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<div class="memdoc">
<p>
Reads the <a class="el" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> corresponding to the dataset in the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's URL. Although DAP does not support using CEs with <a class="el" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> requests, if present in the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's instance, they will be escaped and passed as the query string of the request.<p>
Different from request_das method in that this method uses the URL as given without attaching .das or projections or selections.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>das</em> </td><td>Result. </td></tr>
</table>
</dl>
<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00412">412</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="ObjectType_8h_source.html#l00057">libdap::dods_das</a>, <a class="el" href="ObjectType_8h_source.html#l00060">libdap::dods_error</a>, <a class="el" href="HTTPConnect_8cc_source.html#l00645">libdap::HTTPConnect::fetch_url()</a>, <a class="el" href="Response_8h_source.html#l00127">libdap::Response::get_protocol()</a>, <a class="el" href="Response_8h_source.html#l00115">libdap::Response::get_stream()</a>, <a class="el" href="Response_8h_source.html#l00119">libdap::Response::get_type()</a>, <a class="el" href="Response_8h_source.html#l00123">libdap::Response::get_version()</a>, <a class="el" href="DAS_8cc_source.html#l00277">libdap::DAS::parse()</a>, <a class="el" href="Error_8cc_source.html#l00159">libdap::Error::parse()</a>, and <a class="el" href="ObjectType_8h_source.html#l00061">libdap::web_error</a>.</p>
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<a class="anchor" name="814e98ac5e99927ccc79bb0feb32d241"></a><!-- doxytag: member="libdap::Connect::request_data" ref="814e98ac5e99927ccc79bb0feb32d241" args="(DataDDS &data, string expr="")" -->
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<td class="memname">void libdap::Connect::request_data </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classlibdap_1_1DataDDS.html">DataDDS</a> & </td>
<td class="paramname"> <em>data</em>, </td>
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<td></td>
<td class="paramtype">string </td>
<td class="paramname"> <em>expr</em> = <code>""</code></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
</tr>
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<p>
Reads the <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> object corresponding to the dataset in the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's URL. If present in the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's instance, a CE will be escaped, combined with <code>expr</code> and passed as the query string of the request. The result is a <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> which contains the data values bound to variables.<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>If you need the <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> to hold specializations of the type classes, be sure to include the factory class which will instantiate those specializations in the <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a>. Either pass a pointer to the factory to <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> constructor or use the <a class="el" href="classlibdap_1_1DDS.html#bd73e1da6d32409062399c6e3333814a">DDS::set_factory()</a> method after the object is built.</dd></dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>Result. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>expr</em> </td><td>Send this constraint expression to the server. </td></tr>
</table>
</dl>
<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00767">767</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="HTTPConnect_8cc_source.html#l00645">libdap::HTTPConnect::fetch_url()</a>, <a class="el" href="Response_8h_source.html#l00127">libdap::Response::get_protocol()</a>, <a class="el" href="Response_8h_source.html#l00123">libdap::Response::get_version()</a>, and <a class="el" href="escaping_8cc_source.html#l00175">libdap::id2www_ce()</a>.</p>
<p>Referenced by <a class="el" href="getdap_8cc_source.html#l00152">main()</a>.</p>
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<a class="anchor" name="c8582099411b8d74b03e761129df5b5c"></a><!-- doxytag: member="libdap::Connect::request_data_url" ref="c8582099411b8d74b03e761129df5b5c" args="(DataDDS &data)" -->
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<td class="memname">void libdap::Connect::request_data_url </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classlibdap_1_1DataDDS.html">DataDDS</a> & </td>
<td class="paramname"> <em>data</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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</table>
</div>
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<p>
Reads the <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> object corresponding to the dataset in the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's URL. If present in the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's instance, a CE will be escaped, combined with <code>expr</code> and passed as the query string of the request. The result is a <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> which contains the data values bound to variables.<p>
Different from request_data in that this method uses the syntax of the new OPeNDAP server commands using dispatch<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>If you need the <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> to hold specializations of the type classes, be sure to include the factory class which will instantiate those specializations in the <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a>. Either pass a pointer to the factory to <a class="el" href="classlibdap_1_1DataDDS.html" title="Holds a DAP2 DDS.">DataDDS</a> constructor or use the <a class="el" href="classlibdap_1_1DDS.html#bd73e1da6d32409062399c6e3333814a">DDS::set_factory()</a> method after the object is built.</dd></dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>Result. </td></tr>
</table>
</dl>
<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00817">817</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="HTTPConnect_8cc_source.html#l00645">libdap::HTTPConnect::fetch_url()</a>, <a class="el" href="Response_8h_source.html#l00127">libdap::Response::get_protocol()</a>, and <a class="el" href="Response_8h_source.html#l00123">libdap::Response::get_version()</a>.</p>
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<p><center><img src="classlibdap_1_1Connect_c8582099411b8d74b03e761129df5b5c_cgraph.png" border="0" usemap="#classlibdap_1_1Connect_c8582099411b8d74b03e761129df5b5c_cgraph_map" alt=""></center>
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<a class="anchor" name="ad5ef370110577e9ca2a0161928f9efa"></a><!-- doxytag: member="libdap::Connect::request_dds" ref="ad5ef370110577e9ca2a0161928f9efa" args="(DDS &dds, string expr="")" -->
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<td class="memname">void libdap::Connect::request_dds </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classlibdap_1_1DDS.html">DDS</a> & </td>
<td class="paramname"> <em>dds</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">string </td>
<td class="paramname"> <em>expr</em> = <code>""</code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
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<p>
Reads the <a class="el" href="classlibdap_1_1DDS.html">DDS</a> corresponding to the dataset in the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's URL. If present in the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's instance, a CE will be escaped, combined with <code>expr</code> and passed as the query string of the request.<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>If you need the <a class="el" href="classlibdap_1_1DDS.html">DDS</a> to hold specializations of the type classes, be sure to include the factory class which will instantiate those specializations in the <a class="el" href="classlibdap_1_1DDS.html">DDS</a>. Either pass a pointer to the factory to <a class="el" href="classlibdap_1_1DDS.html">DDS</a> constructor or use the <a class="el" href="classlibdap_1_1DDS.html#bd73e1da6d32409062399c6e3333814a">DDS::set_factory()</a> method after the object is built.</dd></dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dds</em> </td><td>Result. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>expr</em> </td><td>Send this constraint expression to the server. </td></tr>
</table>
</dl>
<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00475">475</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="ObjectType_8h_source.html#l00058">libdap::dods_dds</a>, <a class="el" href="ObjectType_8h_source.html#l00060">libdap::dods_error</a>, <a class="el" href="HTTPConnect_8cc_source.html#l00645">libdap::HTTPConnect::fetch_url()</a>, <a class="el" href="Response_8h_source.html#l00127">libdap::Response::get_protocol()</a>, <a class="el" href="Response_8h_source.html#l00115">libdap::Response::get_stream()</a>, <a class="el" href="Response_8h_source.html#l00119">libdap::Response::get_type()</a>, <a class="el" href="Response_8h_source.html#l00123">libdap::Response::get_version()</a>, <a class="el" href="escaping_8cc_source.html#l00175">libdap::id2www_ce()</a>, <a class="el" href="DDS_8cc_source.html#l00807">libdap::DDS::parse()</a>, <a class="el" href="Error_8cc_source.html#l00159">libdap::Error::parse()</a>, and <a class="el" href="ObjectType_8h_source.html#l00061">libdap::web_error</a>.</p>
<p>Referenced by <a class="el" href="getdap_8cc_source.html#l00152">main()</a>.</p>
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<a class="anchor" name="08795a9e160db409423fcd9058ba975d"></a><!-- doxytag: member="libdap::Connect::request_dds_url" ref="08795a9e160db409423fcd9058ba975d" args="(DDS &dds)" -->
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<td class="memname">void libdap::Connect::request_dds_url </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classlibdap_1_1DDS.html">DDS</a> & </td>
<td class="paramname"> <em>dds</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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</div>
<div class="memdoc">
<p>
Reads the <a class="el" href="classlibdap_1_1DDS.html">DDS</a> corresponding to the dataset in the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's URL. If present in the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's instance, a CE will be escaped, combined with <code>expr</code> and passed as the query string of the request.<p>
Different from request_dds method above in that this method assumes URL is complete and does not add anything to the command, such as .dds or projections or selections.<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>If you need the <a class="el" href="classlibdap_1_1DDS.html">DDS</a> to hold specializations of the type classes, be sure to include the factory class which will instantiate those specializations in the <a class="el" href="classlibdap_1_1DDS.html">DDS</a>. Either pass a pointer to the factory to <a class="el" href="classlibdap_1_1DDS.html">DDS</a> constructor or use the <a class="el" href="classlibdap_1_1DDS.html#bd73e1da6d32409062399c6e3333814a">DDS::set_factory()</a> method after the object is built.</dd></dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dds</em> </td><td>Result. </td></tr>
</table>
</dl>
<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00559">559</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="ObjectType_8h_source.html#l00058">libdap::dods_dds</a>, <a class="el" href="ObjectType_8h_source.html#l00060">libdap::dods_error</a>, <a class="el" href="HTTPConnect_8cc_source.html#l00645">libdap::HTTPConnect::fetch_url()</a>, <a class="el" href="Response_8h_source.html#l00127">libdap::Response::get_protocol()</a>, <a class="el" href="Response_8h_source.html#l00115">libdap::Response::get_stream()</a>, <a class="el" href="Response_8h_source.html#l00119">libdap::Response::get_type()</a>, <a class="el" href="Response_8h_source.html#l00123">libdap::Response::get_version()</a>, <a class="el" href="DDS_8cc_source.html#l00807">libdap::DDS::parse()</a>, <a class="el" href="Error_8cc_source.html#l00159">libdap::Error::parse()</a>, and <a class="el" href="ObjectType_8h_source.html#l00061">libdap::web_error</a>.</p>
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<a class="anchor" name="4395cc18cf5ec1a5167795a5a5491958"></a><!-- doxytag: member="libdap::Connect::request_ddx" ref="4395cc18cf5ec1a5167795a5a5491958" args="(DDS &dds, string expr="")" -->
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<td class="memname">void libdap::Connect::request_ddx </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classlibdap_1_1DDS.html">DDS</a> & </td>
<td class="paramname"> <em>dds</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">string </td>
<td class="paramname"> <em>expr</em> = <code>""</code></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
</tr>
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<p>
Reads the DDX corresponding to the dataset in the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's URL. If present in the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's instance, a CE will be escaped, combined with <code>expr</code> and passed as the query string of the request.<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>A DDX is represented as XML on the wire but in memory <a class="el" href="namespacelibdap.html">libdap</a> uses a <a class="el" href="classlibdap_1_1DDS.html">DDS</a> object with variables that hold their own attributes (the <a class="el" href="classlibdap_1_1DDS.html">DDS</a> itself holds the global attributes).</dd></dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dds</em> </td><td>Result. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>expr</em> </td><td>Send this constraint expression to the server. </td></tr>
</table>
</dl>
<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00619">619</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="ObjectType_8h_source.html#l00062">libdap::dap4_ddx</a>, <a class="el" href="ObjectType_8h_source.html#l00060">libdap::dods_error</a>, <a class="el" href="HTTPConnect_8cc_source.html#l00645">libdap::HTTPConnect::fetch_url()</a>, <a class="el" href="DDS_8h_source.html#l00247">libdap::DDS::get_factory()</a>, <a class="el" href="Response_8h_source.html#l00127">libdap::Response::get_protocol()</a>, <a class="el" href="Response_8h_source.html#l00115">libdap::Response::get_stream()</a>, <a class="el" href="Response_8h_source.html#l00119">libdap::Response::get_type()</a>, <a class="el" href="Response_8h_source.html#l00123">libdap::Response::get_version()</a>, <a class="el" href="escaping_8cc_source.html#l00175">libdap::id2www_ce()</a>, <a class="el" href="DDS_8cc_source.html#l00807">libdap::DDS::parse()</a>, <a class="el" href="Error_8cc_source.html#l00159">libdap::Error::parse()</a>, and <a class="el" href="ObjectType_8h_source.html#l00061">libdap::web_error</a>.</p>
<p>Referenced by <a class="el" href="getdap_8cc_source.html#l00152">main()</a>.</p>
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<a class="anchor" name="9a3e1fe01455b60a90a1974a7e871bb4"></a><!-- doxytag: member="libdap::Connect::request_ddx_url" ref="9a3e1fe01455b60a90a1974a7e871bb4" args="(DDS &dds)" -->
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<td class="memname">void libdap::Connect::request_ddx_url </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classlibdap_1_1DDS.html">DDS</a> & </td>
<td class="paramname"> <em>dds</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classlibdap_1_1Connect.html#4395cc18cf5ec1a5167795a5a5491958" title="Get the DDX from a server.">Connect::request_ddx</a>. </dd></dl>
<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00696">696</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="ObjectType_8h_source.html#l00062">libdap::dap4_ddx</a>, <a class="el" href="ObjectType_8h_source.html#l00060">libdap::dods_error</a>, <a class="el" href="HTTPConnect_8cc_source.html#l00645">libdap::HTTPConnect::fetch_url()</a>, <a class="el" href="Response_8h_source.html#l00127">libdap::Response::get_protocol()</a>, <a class="el" href="Response_8h_source.html#l00115">libdap::Response::get_stream()</a>, <a class="el" href="Response_8h_source.html#l00119">libdap::Response::get_type()</a>, <a class="el" href="Response_8h_source.html#l00123">libdap::Response::get_version()</a>, <a class="el" href="DDS_8cc_source.html#l00807">libdap::DDS::parse()</a>, <a class="el" href="Error_8cc_source.html#l00159">libdap::Error::parse()</a>, and <a class="el" href="ObjectType_8h_source.html#l00061">libdap::web_error</a>.</p>
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<a class="anchor" name="aa1ab562899da9a4630de01f943d1aa9"></a><!-- doxytag: member="libdap::Connect::request_protocol" ref="aa1ab562899da9a4630de01f943d1aa9" args="()" -->
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<td class="memname">string libdap::Connect::request_protocol </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
Get protocol version information from the server. This is a new method which will ease the transition to DAP 4. Note that this method returns the version of the DAP protocol implemented by the server. The <a class="el" href="classlibdap_1_1Connect.html#c7a5896a09882004b75e581999940526">request_version()</a> method returns the <em>server's</em> version number, not the DAP protocol version.<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>This method actually asks the server for the protocol version - use <a class="el" href="classlibdap_1_1Connect.html#4223a898b3da719509d173dd990c45f1">get_protocol()</a> to get the protocol information from the most recent response (e.g., from the last DDX response returned by the server).</dd></dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The DAP protocol version string. </dd></dl>
<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00313">313</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="HTTPConnect_8cc_source.html#l00645">libdap::HTTPConnect::fetch_url()</a>, <a class="el" href="Response_8h_source.html#l00127">libdap::Response::get_protocol()</a>, <a class="el" href="Response_8h_source.html#l00123">libdap::Response::get_version()</a>, and <a class="el" href="escaping_8cc_source.html#l00175">libdap::id2www_ce()</a>.</p>
<p>Referenced by <a class="el" href="getdap_8cc_source.html#l00152">main()</a>.</p>
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<a class="anchor" name="c7a5896a09882004b75e581999940526"></a><!-- doxytag: member="libdap::Connect::request_version" ref="c7a5896a09882004b75e581999940526" args="()" -->
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<td class="memname">string libdap::Connect::request_version </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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Get version information from the server. This is a new method which will ease the transition to DAP 4.<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>Use <a class="el" href="classlibdap_1_1Connect.html#aa1ab562899da9a4630de01f943d1aa9">request_protocol()</a> to get the DAP protocol version.</dd></dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The DAP version string. </dd></dl>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classlibdap_1_1Connect.html#aa1ab562899da9a4630de01f943d1aa9">request_protocol()</a> </dd></dl>
<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00279">279</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="HTTPConnect_8cc_source.html#l00645">libdap::HTTPConnect::fetch_url()</a>, <a class="el" href="Response_8h_source.html#l00127">libdap::Response::get_protocol()</a>, <a class="el" href="Response_8h_source.html#l00123">libdap::Response::get_version()</a>, and <a class="el" href="escaping_8cc_source.html#l00175">libdap::id2www_ce()</a>.</p>
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<a class="anchor" name="186f76bfea3b61dc3587bcff5760ed8b"></a><!-- doxytag: member="libdap::Connect::set_accept_deflate" ref="186f76bfea3b61dc3587bcff5760ed8b" args="(bool deflate)" -->
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<td class="memname">void libdap::Connect::set_accept_deflate </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>deflate</em> </td>
<td> ) </td>
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Set the <em>accept</em> deflate property. <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>deflate</em> </td><td>True if the client can accept compressed responses, False otherwise. </td></tr>
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<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00951">951</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="HTTPConnect_8cc_source.html#l00972">libdap::HTTPConnect::set_accept_deflate()</a>.</p>
<p>Referenced by <a class="el" href="getdap_8cc_source.html#l00152">main()</a>.</p>
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<a class="anchor" name="25c97c4ad0239a9dd10812c880c40efe"></a><!-- doxytag: member="libdap::Connect::set_cache_enabled" ref="25c97c4ad0239a9dd10812c880c40efe" args="(bool enabled)" -->
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<td class="memname">void libdap::Connect::set_cache_enabled </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>cache</em> </td>
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Disable any further use of the client-side cache. In a future version of this software, this should be handled so that the www library is not initialized with the cache running by default.
<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00973">973</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="HTTPConnect_8h_source.html#l00155">libdap::HTTPConnect::set_cache_enabled()</a>.</p>
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<a class="anchor" name="847af75e149f123a51a560119dfc06aa"></a><!-- doxytag: member="libdap::Connect::set_credentials" ref="847af75e149f123a51a560119dfc06aa" args="(string u, string p)" -->
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<td class="memname">void libdap::Connect::set_credentials </td>
<td>(</td>
<td class="paramtype">string </td>
<td class="paramname"> <em>u</em>, </td>
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<td>)</td>
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<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>u</em> </td><td>The username. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>p</em> </td><td>The password. </td></tr>
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<dl class="see" compact><dt><b>See also:</b></dt><dd>extract_auth_info() </dd></dl>
<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00941">941</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="HTTPConnect_8cc_source.html#l01046">libdap::HTTPConnect::set_credentials()</a>.</p>
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<a class="anchor" name="b9c4a1243218c98d46fbaace37a821fc"></a><!-- doxytag: member="libdap::Connect::set_xdap_accept" ref="b9c4a1243218c98d46fbaace37a821fc" args="(int major, int minor)" -->
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<td class="memname">void libdap::Connect::set_xdap_accept </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>major</em>, </td>
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<td class="paramname"> <em>minor</em></td><td> </td>
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<td>)</td>
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<a class="anchor" name="4af759a2313d9ecbc1db1c811f549379"></a><!-- doxytag: member="libdap::Connect::set_xdap_protocol" ref="4af759a2313d9ecbc1db1c811f549379" args="(int major, int minor)" -->
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<td class="memname">void libdap::Connect::set_xdap_protocol </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>major</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>minor</em></td><td> </td>
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<p>
Set the <em>XDAP-Accept</em> property/header. This is used to send to a server the (highest) DAP protocol version number that this client understands.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>major</em> </td><td>The client dap protocol major version </td></tr>
<tr><td valign="top"></td><td valign="top"><em>minor</em> </td><td>The client dap protocol minor version </td></tr>
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</dl>
<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00963">963</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>References <a class="el" href="HTTPConnect_8cc_source.html#l01009">libdap::HTTPConnect::set_xdap_protocol()</a>.</p>
<p>Referenced by <a class="el" href="getdap_8cc_source.html#l00152">main()</a>.</p>
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<a class="anchor" name="523bf24520185e3d71f36ac0203b98e6"></a><!-- doxytag: member="libdap::Connect::URL" ref="523bf24520185e3d71f36ac0203b98e6" args="(bool CE=true)" -->
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<td class="memname">string libdap::Connect::URL </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>ce</em> = <code>true</code> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>
Return the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's URL in a string. The URL was set by the class constructor, and may not be reset. If you want to open another URL, you must create another <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object. There is a Connections class created to handle the management of multiple <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> objects.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd>Connections </dd></dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>A string containing the URL of the data to which the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object refers. If the object refers to local data, the function returns the null string. </dd></dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em>ce</em> </td><td>If TRUE, the returned URL will include any constraint expression enclosed with the <a class="el" href="classlibdap_1_1Connect.html" title="Holds information about the link from a DAP2 client to a dataset.">Connect</a> object's URL (including the <code>?</code>). If FALSE, any constraint expression will be removed from the URL. The default is TRUE. </td></tr>
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<p>Definition at line <a class="el" href="Connect_8cc_source.html#l00905">905</a> of file <a class="el" href="Connect_8cc_source.html">Connect.cc</a>.</p>
<p>Referenced by <a class="el" href="getdap_8cc_source.html#l00152">main()</a>, and <a class="el" href="AISConnect_8cc_source.html#l00079">libdap::AISConnect::request_das()</a>.</p>
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<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="Connect_8h_source.html">Connect.h</a><li><a class="el" href="Connect_8cc_source.html">Connect.cc</a></ul>
</div>
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