001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018 package org.apache.geronimo.console.derbylogmanager;
019
020 import org.apache.geronimo.console.BasePortlet;
021 import org.apache.geronimo.console.util.PortletManager;
022 import org.apache.geronimo.derby.DerbyLog;
023
024 import javax.portlet.ActionRequest;
025 import javax.portlet.ActionResponse;
026 import javax.portlet.PortletConfig;
027 import javax.portlet.PortletContext;
028 import javax.portlet.PortletException;
029 import javax.portlet.PortletRequestDispatcher;
030 import javax.portlet.PortletSession;
031 import javax.portlet.RenderRequest;
032 import javax.portlet.RenderResponse;
033 import javax.portlet.WindowState;
034 import java.io.IOException;
035 import java.io.Serializable;
036
037 public class DerbyLogViewerPortlet extends BasePortlet {
038 private final static String CRITERIA_KEY = "org.apache.geronimo.console.derby.log.CRITERIA";
039
040 protected PortletRequestDispatcher normalView;
041
042 protected PortletRequestDispatcher helpView;
043
044 public void destroy() {
045 super.destroy();
046 normalView = null;
047 helpView = null;
048 }
049
050 protected void doHelp(RenderRequest renderRequest,
051 RenderResponse renderResponse) throws PortletException, IOException {
052 helpView.include(renderRequest, renderResponse);
053 }
054
055 protected void doView(RenderRequest renderRequest,
056 RenderResponse renderResponse) throws PortletException, IOException {
057 if (WindowState.MINIMIZED.equals(renderRequest.getWindowState())) {
058 return;
059 }
060 String action = renderRequest.getParameter("action");
061
062 DerbyLog log = (DerbyLog) PortletManager.getManagedBeans(renderRequest, DerbyLog.class)[0];//todo: what if it's not there?
063 Criteria criteria = (Criteria) renderRequest.getPortletSession(true).getAttribute(CRITERIA_KEY, PortletSession.PORTLET_SCOPE);
064
065 if (criteria == null || (action != null && !"refresh".equals(action))) {
066 if(criteria == null)
067 criteria = new Criteria();
068 String startPos = renderRequest.getParameter("startPos");
069 String endPos = renderRequest.getParameter("endPos");
070 String maxRows = renderRequest.getParameter("maxRows");
071 String searchString = renderRequest.getParameter("searchString");
072
073 criteria.max = maxRows == null || maxRows.equals("") ? criteria.max : Integer.parseInt(maxRows);
074 criteria.start = startPos == null || startPos.equals("") ? null : new Integer(startPos);
075 criteria.stop = endPos == null || endPos.equals("") ? null : new Integer(endPos);
076 criteria.text = searchString == null || searchString.equals("") ? null : searchString;
077 renderRequest.getPortletSession(true).setAttribute(CRITERIA_KEY, criteria, PortletSession.PORTLET_SCOPE);
078 }
079
080 DerbyLog.SearchResults results = log.searchLog(criteria.start, criteria.stop,
081 criteria.max, criteria.text);
082 renderRequest.setAttribute("searchResults", results.getResults());
083 renderRequest.setAttribute("lineCount", new Integer(results.getLineCount()));
084 renderRequest.setAttribute("startPos", criteria.start);
085 renderRequest.setAttribute("endPos", criteria.stop);
086 renderRequest.setAttribute("searchString", criteria.text);
087 renderRequest.setAttribute("maxRows", criteria.max);
088 if(results.isCapped()) {
089 renderRequest.setAttribute("capped", Boolean.TRUE);
090 }
091
092 normalView.include(renderRequest, renderResponse);
093 }
094
095 @Override
096 public void processAction(ActionRequest actionRequest, ActionResponse actionResponse) throws PortletException, IOException {
097 //Add all the parameters to the actionResponse Attributes so we can get the back
098 actionResponse.setRenderParameters(actionRequest.getParameterMap());
099 }
100
101 private static class Criteria implements Serializable {
102 Integer max = 10;
103 Integer start;
104 Integer stop;
105 String text;
106 }
107
108 public void init(PortletConfig portletConfig) throws PortletException {
109 PortletContext pc = portletConfig.getPortletContext();
110 normalView = pc
111 .getRequestDispatcher("/WEB-INF/view/derbylogmanager/view.jsp");
112 helpView = pc
113 .getRequestDispatcher("/WEB-INF/view/derbylogmanager/help.jsp");
114 super.init(portletConfig);
115 }
116 }