Differences
This shows you the differences between two versions of the page.
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oql:soloistexplorer [2011/07/20 16:29] predrag.radenkovic |
oql:soloistexplorer [2011/08/05 10:16] (current) milorad.poptosic [Problem with UTF-8 encoding when using GET method] |
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| ====== SOLoist Explorer ====== | ====== SOLoist Explorer ====== | ||
| - | SOLoist Explorer™ is a simple tool that provides a HTTP interface for: | + | SOLoist Explorer™ is a simple tool that provides an HTTP interface for: |
| * writing and executing OQL queries (results in HTML or Excel sheet; see generated SQL, etc.) | * writing and executing OQL queries (results in HTML or Excel sheet; see generated SQL, etc.) | ||
| * browsing the UML model | * browsing the UML model | ||
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| The servlet will be accessible at the given URL, e.g. [[http://localhost:8080/MyWebApplication/oql]]. | The servlet will be accessible at the given URL, e.g. [[http://localhost:8080/MyWebApplication/oql]]. | ||
| + | |||
| + | ===== Advanced Installation ===== | ||
| + | |||
| + | ==== Authentication ==== | ||
| + | OQLServlet provides no authentication mechanism whatsoever. You should use application specific filters (e.g. LoginFilter from EmptyProject). | ||
| + | |||
| + | ==== Customization ==== | ||
| + | OQLServlet supports the following init parameters: | ||
| + | * title - Text to be used as the page title (default: SOLoist Explorer). | ||
| + | * stylesheet - URL of the external CSS stylesheet to be used instead of the default style. | ||
| + | * method - HTTP method used for HTML form submission. Values: GET (default) or POST. | ||
| + | |||
| + | Example: | ||
| + | <file xml> | ||
| + | <servlet> | ||
| + | <servlet-name>OQLServlet</servlet-name> | ||
| + | <servlet-class>rs.sol.soloist.server.server.OQLServlet</servlet-class> | ||
| + | <init-param> | ||
| + | <param-name>method</param-name> | ||
| + | <param-value>GET</param-value> | ||
| + | </init-param> | ||
| + | </servlet> | ||
| + | </file> | ||
| + | |||
| + | ===== Troubleshooting ===== | ||
| + | |||
| + | ==== Problem with UTF-8 encoding when using GET method ==== | ||
| + | |||
| + | There might be a problem if some servlet containers (e.g. Tomcat) do not use UTF-8 to parse request parameters from the query string of the request URI. | ||
| + | There are two soloutions to this problem: | ||
| + | - solution(partial): Make OQLServlet use POST method instead. | ||
| + | - solution (Tomcat only): Make Tomcat use UTF-8 encoding for request parameters encoded in query string. Edit server.xml and add useBodyEncodingForURI="true" to Connector, for example: <file xml><Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443" useBodyEncodingForURI="true"/></file> Alternatively, you might use URIEncoding="UTF-8". | ||
| + | More info about configuring Apache Tomcat can be found on [[http://tomcat.apache.org/tomcat-7.0-doc/config/http.html|Apache Tomcat website]]. | ||
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