+OLPlugin
+src
+com.openlayers.action
-OpenLayersConfigAction.java
-openlayersplugin.properties
-struts-plugin.xml
-struts.xml

+lib
-asm-commons-3.3.jar
-asm-3.3.jar
-commons-fileupload-1.3.2.jar
-commons.io-2.4.jar
-commons-lang3-3.4.jar
-commons-logging-1.1.3.jar
-freemarker-2.3.23.jar
-javaassist-3.20.0-GA.jar
-log4j-api-2.3.jar
-log4j-core-2.3.jar
-ognl-3.1.10.jar
-struts2-convention-plugin-2.5.2.jar
-struts2-core-2.5.2.jar
-struts2-json-plugin-2.5.2.jar


+web.xml
<?xmlversion="1.0"encoding="UTF-8"?>
<web-appxmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns="http://java.sun.com/xml/ns/javaee"xsi:schemaLocation="http://java.sun.com/xml/ns/javaeehttp://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"id="WebApp_ID"version="3.0">
<display-name>OLPlugin</display-name>
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>


+struts-plugin.xml
<?xmlversion="1.0"encoding="UTF-8"?>
<!DOCTYPEstrutsPUBLIC
"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>

<constantname="struts.devMode"value="true"/>
<constantname="struts.custom.i18n.resources"value="openlayersplugin"/>
<packagename="olplugin"extends="struts-default,json-default"namespace="/openlayersplugin">

<actionname="getconfiguration"class="com.openlayers.action.OpenLayersConfigAction"method="getconfiguration">
<resultname="success"type="json"/>
</action>

</package>
</struts>


+struts.xml
<?xmlversion="1.0"encoding="UTF-8"?>
<!DOCTYPEstrutsPUBLIC
"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>

<includefile="/struts-plugin.xml"></include>

</struts>





+OpenLayersConfigAction.java

packagecom.openlayers.action;

importjava.io.IOException;
importjava.util.LinkedHashMap;
importjava.util.Map;
importjava.util.Properties;

importcom.opensymphony.xwork2.ActionSupport;

publicclassOpenLayersConfigActionextendsActionSupport{

privatestaticfinallongserialVersionUID=1L;
privateMap<String,Object>response=newLinkedHashMap<String,Object>();
privatestaticPropertiesprop=newProperties();
privateString[]request;

static{
try{
prop.load(OpenLayersConfigAction.class.getClassLoader().getResourceAsStream("com/openlayers/action/openlayersplugin.properties"));
}
catch(IOExceptione){
prop.clear();
System.err.println("Unabletoloadopenlayerspluginpropertiesfile");
e.printStackTrace();
}
}

publicStringgetconfiguration(){
try{
response.clear();
if(getRequest()!=null&&prop.size()>0){
for(Stringkey:getRequest()){
response.put(key,prop.getProperty(key));
}
}
}
catch(Exceptione){
e.printStackTrace();
}
returnSUCCESS;
}

publicMap<String,Object>getResponse(){
returnresponse;
}

privateString[]getRequest(){
returnrequest;
}

publicvoidsetRequest(String[]request){
this.request=request;
}

}




+openlayersplugin.properties

GEOSERVER_HOST=localhost
GEOSERVER_PORT=8080
GEOSERVER_CONTEXT_PATH=geoserver
GEOSERVER_USERNAME=admin
GEOSERVER_PASSWORD=geoserver
GEOSERVER_WORKSPACE=INDIA
GEOSERVER_STORE=INDIA_SHAPE_DATA
DEFAULT_ZOOM_LEVEL=5
DEFAULT_LAT=23.621878
DEFAULT_LON=80.375977