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.PortletConfig;
025 import javax.portlet.PortletContext;
026 import javax.portlet.PortletException;
027 import javax.portlet.PortletRequestDispatcher;
028 import javax.portlet.PortletSession;
029 import javax.portlet.RenderRequest;
030 import javax.portlet.RenderResponse;
031 import javax.portlet.WindowState;
032 import java.io.IOException;
033 import java.io.Serializable;
034
035 public class DerbyLogViewerPortlet extends BasePortlet {
036 private final static String CRITERIA_KEY = "org.apache.geronimo.console.derby.log.CRITERIA";
037
038 protected PortletRequestDispatcher normalView;
039
040 protected PortletRequestDispatcher helpView;
041
042 public void destroy() {
043 super.destroy();
044 normalView = null;
045 helpView = null;
046 }
047
048 protected void doHelp(RenderRequest renderRequest,
049 RenderResponse renderResponse) throws PortletException, IOException {
050 helpView.include(renderRequest, renderResponse);
051 }
052
053 protected void doView(RenderRequest renderRequest,
054 RenderResponse renderResponse) throws PortletException, IOException {
055 if (WindowState.MINIMIZED.equals(renderRequest.getWindowState())) {
056 return;
057 }
058 String action = renderRequest.getParameter("action");
059
060 DerbyLog log = (DerbyLog) PortletManager.getManagedBeans(renderRequest, DerbyLog.class)[0];//todo: what if it's not there?
061 Criteria criteria = (Criteria) renderRequest.getPortletSession(true).getAttribute(CRITERIA_KEY, PortletSession.PORTLET_SCOPE);
062
063 if (criteria == null || (action != null && !"refresh".equals(action))) {
064 if(criteria == null)
065 criteria = new Criteria();
066 String startPos = renderRequest.getParameter("startPos");
067 String endPos = renderRequest.getParameter("endPos");
068 String maxRows = renderRequest.getParameter("maxRows");
069 String searchString = renderRequest.getParameter("searchString");
070
071 criteria.max = maxRows == null || maxRows.equals("") ? criteria.max : Integer.parseInt(maxRows);
072 criteria.start = startPos == null || startPos.equals("") ? null : new Integer(startPos);
073 criteria.stop = endPos == null || endPos.equals("") ? null : new Integer(endPos);
074 criteria.text = searchString == null || searchString.equals("") ? null : searchString;
075 renderRequest.getPortletSession(true).setAttribute(CRITERIA_KEY, criteria, PortletSession.PORTLET_SCOPE);
076 }
077
078 DerbyLog.SearchResults results = log.searchLog(criteria.start, criteria.stop,
079 criteria.max, criteria.text);
080 renderRequest.setAttribute("searchResults", results.getResults());
081 renderRequest.setAttribute("lineCount", new Integer(results.getLineCount()));
082 renderRequest.setAttribute("startPos", criteria.start);
083 renderRequest.setAttribute("endPos", criteria.stop);
084 renderRequest.setAttribute("searchString", criteria.text);
085 renderRequest.setAttribute("maxRows", criteria.max);
086 if(results.isCapped()) {
087 renderRequest.setAttribute("capped", Boolean.TRUE);
088 }
089
090 normalView.include(renderRequest, renderResponse);
091 }
092
093 private static class Criteria implements Serializable {
094 Integer max = 10;
095 Integer start;
096 Integer stop;
097 String text;
098 }
099
100 public void init(PortletConfig portletConfig) throws PortletException {
101 PortletContext pc = portletConfig.getPortletContext();
102 normalView = pc
103 .getRequestDispatcher("/WEB-INF/view/derbylogmanager/view.jsp");
104 helpView = pc
105 .getRequestDispatcher("/WEB-INF/view/derbylogmanager/help.jsp");
106 super.init(portletConfig);
107 }
108 }