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====== Greenstone3 URLs======

URLs are greatly simplified in Greenstone3. Using URL rewriting, Greenstone3's URLs are logical,
short, and informative. For example, the URL for a document page in a Greenstone2 collection 
will look something like this:

<code>
http://localhost:8283/greenstone/cgi-bin/library.cgi?e=d-01000-00---off-0games--00-1----0-10-0---0---0direct-10---4-------0-1l--11-en-50---20-about---00-3-1-00-00--4--0--0-0-11-10-0utfZz-8-00&a=d&c=games&cl=CL1&d=HASH017893f810ba88942720384e
</code>

In Greenstone3, the URL for a document page will look like this:

<code>
http://localhost:8383/greenstone3/library/collection/lucene-jdbm-demo/document/ec159e
</code>

So, as this example shows, you can easily access any document in any collection in a library
simply by navigating to ''<nowiki>http://localhost:8383/greenstone3/<library-name>/collection/<collection-name>/document/<document-ID></nowiki>''. 

\\




^Library URL patterns^Description^
|//All URL patterns are preceded by ''<nowiki>http://localhost:8383/greenstone3/</nowiki>''//||
|''<library-name>''|The homepage of the library (the default library name is ''library'')|
|''<nowiki><library-name>/collection//page/help</nowiki>''| Help page for library |
|''<nowiki><library-name>/collection//page/pref</nowiki>'' or ''<library-name>/collection/<collection-name>/page/pref''| Preferences page for library |
|''<library-name>/collection/<collection-name>/page/help''| Help page for collection |
|''<library-name>/collection/<collection-name>/page/about''|'About' page for collection|
|''<library-name>/collection/<collection-name>/browse/<classifier-number>''|Browsing classifiers (classifier numbers look like ''CL1'', ''CL2.3'', ''CL2.3.5'')|
|''<library-name>/collection/<collection-name>/search/<search-type>''|Search pages (possible search types include ''AdvancedFieldQuery'', ''TextQuery'', and ''FieldQuery'')|
|''<nowiki><library-name>/collection//search/TextQuery</nowiki>''|Cross-collection search page|


===== Server URL =====

The server URL consists of three parts: the tomcat base URL which is the machine IP name/address plus port, the ''context'' for Greenstone3, and the servlet name:

''<baseurl>/<context>/<servlet>''

By default, the Greenstone3 tomcat server runs on ''<nowiki>http://localhost:8383</nowiki>'' and the Greenstone3 servlets are located at
''<nowiki>http://localhost:8383/greenstone3</nowiki>''. Default servlets include ''library'' and ''oaiserver''.

The context part is 'technically' set by the name of the file in ''greenstone3/packages/tomcat/conf/Catlina/localhost'', which is, by default ''greenstone3.xml''. HOWEVER, every time you start the server, ''Greenstone3/build.xml'' 
copies this the file from ''Greenstone3/resources/tomcat'' into the correct folder. 

To change the context, change the greenstone.context variable in ''Greenstone3/build.properties''. 


<code>
# The context name of your GS3 digital library. By default this will be "greenstone3". Ensure this has a value.
greenstone.context=greenstone3
</code>

When you restart the server, a new file will be created for the new context name, and copied into the Tomcat folder.



===== Arguments =====
|descendants=1|On hierarchical browse pages, this will display with page with all levels of all sections expanded|
|o=xml|Displays the raw information coming from the Message Router.|
|o=xmlfinal|Displays the information coming from the Message Router after the second config_format pass.|
|o=skindoc|Simplified Skin XSL with Expanded GSF statements appended.|
|o=skinandlib|An XML document with a root element called skinAndLibraryXsl and the two children skinXsl and libraryXsl. The libraryXsl, which already includes util.xsl, is merely appended.|
|o=skinandlibdoc|The result of applying preprocess.xsl to skinandlib produces this stylesheet which is the final XSL document that will be applied to the XML data returned from the message router.|
|formatedit=on|Web interface editor for editing Greenstone3 format statements.|
|a=s&sa=c|Refresh all the collection configuration files: Reconfigures the whole site. Reads in siteConfig.xml, reloads all the collections.| 

''o'' is output
Find more information on arguments:
''Greenstone3 -> src -> java -> org -> greenstone -> gsdl3 -> action''


===== Additional Resources =====
  * [[en:user:gs3_sample_format_statements#linking_metadata_to_a_search|Linking metadata values to a search for that metadata]]