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Glassfish example source code file (WebAppHandlers.java)

This example Glassfish source code file (WebAppHandlers.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Glassfish tags/keywords

arraylist, ensuredefaultwebmodule, handlerinput, list, list, map, object, object, rest_url, rest_url, restresponse, string, string, util, virtualservers

The Glassfish WebAppHandlers.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
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/*
 * WebAppHandler.java
 *
 * Created on August 10, 2006, 2:32 PM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */
/**
 *
 * @author anilam
 */
package org.glassfish.admingui.common.handlers;

import com.sun.jsftemplating.annotation.HandlerInput;
import com.sun.jsftemplating.annotation.Handler;
import com.sun.jsftemplating.layout.descriptors.handler.HandlerContext;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.glassfish.admingui.common.util.GuiUtil;
import org.glassfish.admingui.common.util.DeployUtil;
import org.glassfish.admingui.common.util.RestResponse;
import org.glassfish.admingui.common.util.RestUtil;



public class WebAppHandlers {

    /** Creates a new instance of ApplicationsHandler */
    public WebAppHandlers() {
    }

   //This is called when user change the default web module of a VS.
   //Need to ensure this VS is in the application-ref virtual server list. If not add it and restart the app for
   //change to take into effect.  refer to issue#8671
   @Handler(id = "EnsureDefaultWebModule",
        input = {
            @HandlerInput(name = "endpoint", type = String.class, required = true),
            @HandlerInput(name = "vsName", type = String.class, required = true),
            @HandlerInput(name = "instanceList", type=List.class, required=true)
        })
    public static void EnsureDefaultWebModule(HandlerContext handlerCtx) throws Exception {
        String endpoint = (String) handlerCtx.getInputValue("endpoint");
        String vsName = (String) handlerCtx.getInputValue("vsName");
        List instanceList = (List) handlerCtx.getInputValue("instanceList");
        Map vsAttrs = RestUtil.getAttributesMap(endpoint+"/" + vsName);
        String webModule= (String) vsAttrs.get("DefaultWebModule");
        if (GuiUtil.isEmpty(webModule))
            return;
        String appName = webModule;
        int index = webModule.indexOf("#");
        if (index != -1){
            appName=webModule.substring(0, index);
        }
        String serverEndPoint = GuiUtil.getSessionValue("REST_URL") + "/servers/server/";
        for (Object serverName : instanceList) {
            String apprefEndpoint = serverEndPoint + serverName + "/application-ref/" + appName;
            Map apprefAttrs = RestUtil.getAttributesMap(apprefEndpoint+"/" + vsName);
            String vsStr = (String) apprefAttrs.get("VirtualServers");
            List vsList = GuiUtil.parseStringList(vsStr, ",");
            if (vsList.contains(vsName)){
                continue;   //the default web module app is already deployed to this vs, no action needed
            }
            //Add to the vs list of this application-ref, then restart the app.
            vsStr=vsStr+","+vsName;
            apprefAttrs.put("VirtualServers", vsStr);
            RestResponse response = RestUtil.sendUpdateRequest(apprefEndpoint, apprefAttrs, null, null, null);
            if (!response.isSuccess()) {
                GuiUtil.getLogger().severe("Update virtual server failed.  parent=" + apprefEndpoint + "; attrsMap =" + apprefAttrs);
                GuiUtil.handleError(handlerCtx, GuiUtil.getMessage("msg.error.checkLog"));
                return;
            }
            List targets = new ArrayList();
            targets.add("domain");
            DeployUtil.reloadApplication(appName, targets , handlerCtx);
        }
   }

   

   //This handler is called after user deleted one more more VS from the VS table.
   //We need to go through all the application-ref to see if the VS specified still exist.  If it doesn't, we need to
   //remove that from the vs list.
   @Handler(id = "checkVsOfAppRef")
   public static void checkVsOfAppRef(HandlerContext handlerCtx) throws Exception{
       String configUrl = GuiUtil.getSessionValue("REST_URL") + "/configs/config/";
       List configs = new ArrayList(RestUtil.getChildMap(configUrl).keySet());
       ArrayList vsList = new ArrayList();
       for (Object cfgName : configs) {
           String vsUrl = configUrl + cfgName + "/http-service/virtual-server";
           List vsNames = new ArrayList(RestUtil.getChildMap(vsUrl).keySet());
           for (Object str : vsNames) {
               if (!vsList.contains(str))
                   vsList.add(str);
           }
       }
       List servers = new ArrayList(RestUtil.getChildMap(GuiUtil.getSessionValue("REST_URL") + "/servers/server").keySet());
       for (Object svrName : servers) {
           String serverEndpoint = GuiUtil.getSessionValue("REST_URL") + "/servers/server/" + svrName;
           List appRefs = new ArrayList(RestUtil.getChildMap(serverEndpoint + "/application-ref").keySet());
           for (Object appRef : appRefs) {
               String apprefEndpoint = serverEndpoint + "/application-ref/" + appRef;
               Map apprefAttrs = RestUtil.getAttributesMap(apprefEndpoint);
               String vsStr = (String) apprefAttrs.get("VirtualServers");
               List<String> lvsList = GuiUtil.parseStringList(vsStr, ",");
               boolean changed = false;
               String newVS = "";
               for(String oneVs: lvsList ){
                   if (! vsList.contains(oneVs)){
                       changed = true;
                       continue;
                   }
                   newVS = newVS+","+oneVs;
               }
               if (changed){
                   newVS = newVS.substring(1);
                   apprefAttrs.put("VirtualServers", vsStr);
                   RestResponse response = RestUtil.sendUpdateRequest(apprefEndpoint, apprefAttrs, null, null, null);
                   if (!response.isSuccess()) {
                       GuiUtil.getLogger().severe("Update virtual server failed.  parent=" + apprefEndpoint + "; attrsMap =" + apprefAttrs);
                       GuiUtil.handleError(handlerCtx, GuiUtil.getMessage("msg.error.checkLog"));
                       return;
                   }
               }
           }
       }
   }

}

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