/*
* Copyright 2002,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.webapp.admin.service;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Locale;
import java.util.Set;
import java.util.TreeSet;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.ObjectInstance;
import javax.management.modelmbean.ModelMBean;
import javax.servlet.ServletException;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.util.MessageResources;
import org.apache.webapp.admin.ApplicationServlet;
import org.apache.webapp.admin.TomcatTreeBuilder;
import org.apache.webapp.admin.TreeControl;
import org.apache.webapp.admin.TreeControlNode;
/**
* The <code>Action</code> that completes <em>Delete Services</em>
* transactions.
*
* @author Manveen Kaur
* @version $Revision: 303390 $ $Date: 2004-10-18 02:37:56 -0400 (Mon, 18 Oct 2004) $
*/
public class DeleteServicesAction extends Action {
/**
* Signature for the <code>removeService</code> operation.
*/
private String removeServiceTypes[] =
{ "java.lang.String", // Object name
};
/**
* The MBeanServer we will be interacting with.
*/
private MBeanServer mBServer = null;
// --------------------------------------------------------- Public Methods
/**
* Process the specified HTTP request, and create the corresponding HTTP
* response (or forward to another web component that will create it).
* Return an <code>ActionForward</code> instance describing where and how
* control should be forwarded, or <code>null</code> if the response has
* already been completed.
*
* @param mapping The ActionMapping used to select this instance
* @param actionForm The optional ActionForm bean for this request (if any)
* @param request The HTTP request we are processing
* @param response The HTTP response we are creating
*
* @exception IOException if an input/output error occurs
* @exception ServletException if a servlet exception occurs
*/
public ActionForward execute(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException {
// Look up the components we will be using as needed
HttpSession session = request.getSession();
Locale locale = getLocale(request);
MessageResources resources = getResources(request);
// Acquire a reference to the MBeanServer containing our MBeans
try {
mBServer = ((ApplicationServlet) getServlet()).getServer();
} catch (Throwable t) {
throw new ServletException
("Cannot acquire MBeanServer reference", t);
}
// Delete the specified Services
String services[] = ((ServicesForm) form).getServices();
String values[] = new String[1];
String operation = "removeService";
try {
// Look up our tree control data structure
TreeControl control = (TreeControl)
session.getAttribute("treeControlTest");
// Remove the specified services
for (int i = 0; i < services.length; i++) {
values[0] = services[i];
ObjectName oname = new ObjectName(services[i]);
String domain = oname.getDomain();
ObjectName fname =
TomcatTreeBuilder.getMBeanFactory();
mBServer.invoke(fname, operation,
values, removeServiceTypes);
if (control != null) {
control.selectNode(null);
TreeControlNode node = control.findNode(services[i]);
if (node != null) {
node.remove();
} else {
getServlet().log("Missing TreeControlNode for " +
services[i]);
}
} else {
getServlet().log("Missing TreeControl attribute");
}
}
} catch (Exception e) {
getServlet().log
(resources.getMessage(locale, "users.error.invoke",
operation), e);
response.sendError
(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
resources.getMessage(locale, "users.error.invoke",
operation));
return (null);
}
// Report successful completion of this transaction
return (mapping.findForward("Save Successful"));
}
}