package org.g4studio.core.mvc.xstruts.chain.commands.servlet;
import javax.servlet.http.HttpServletRequest;
import org.g4studio.core.mvc.xstruts.Globals;
import org.g4studio.core.mvc.xstruts.chain.Constants;
import org.g4studio.core.mvc.xstruts.chain.commands.AbstractSelectModule;
import org.g4studio.core.mvc.xstruts.chain.contexts.ActionContext;
import org.g4studio.core.mvc.xstruts.chain.contexts.ServletActionContext;
/**
* <p>
* Cache the <code>ModuleConfig</code> and <code>MessageResources</code>
* instances for the sub-application module to be used for processing this
* request.
* </p>
*
* @version $Rev: 421119 $ $Date: 2005-06-04 10:58:46 -0400 (Sat, 04 Jun 2005) $
*/
public class SelectModule extends AbstractSelectModule {
// ------------------------------------------------------- Protected Methods
protected String getPrefix(ActionContext context) {
// Identify the URI from which we will match a module prefix
ServletActionContext sacontext = (ServletActionContext) context;
HttpServletRequest request = sacontext.getRequest();
String uri = (String) request.getAttribute(Constants.INCLUDE_SERVLET_PATH);
if (uri == null) {
uri = request.getServletPath();
}
if (uri == null) {
throw new IllegalArgumentException("No path information in request");
}
// Identify the module prefix for the current module
String prefix = ""; // Initialize to default prefix
String[] prefixes = (String[]) sacontext.getApplicationScope().get(Globals.MODULE_PREFIXES_KEY);
int lastSlash = 0;
while (prefix.equals("") && ((lastSlash = uri.lastIndexOf("/")) > 0)) {
uri = uri.substring(0, lastSlash);
for (int i = 0; i < prefixes.length; i++) {
if (uri.equals(prefixes[i])) {
prefix = prefixes[i];
break;
}
}
}
return (prefix);
}
}