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 package org.apache.servicemix.geronimo;
018
019 import java.net.URI;
020 import java.net.URL;
021
022 import org.apache.commons.logging.Log;
023 import org.apache.commons.logging.LogFactory;
024 import org.apache.geronimo.gbean.GBeanInfo;
025 import org.apache.geronimo.gbean.GBeanInfoBuilder;
026 import org.apache.geronimo.gbean.GBeanLifecycle;
027
028 public class Component implements GBeanLifecycle {
029
030 private static final Log log = LogFactory.getLog(Component.class);
031
032 private String name;
033
034 private String description;
035
036 private String type;
037
038 private String className;
039
040 private Container container;
041
042 private URI rootDir;
043
044 private URI installDir;
045
046 private URI workDir;
047
048 private javax.jbi.component.Component component;
049
050 private ClassLoader classLoader;
051
052 public Component(String name, String description, String type, String className, Container container,
053 URL configurationBaseUrl, ClassLoader classLoader) throws Exception {
054 this.name = name;
055 this.description = description;
056 this.type = type;
057 this.className = className;
058 this.container = container;
059 // TODO is there a simpler way to do this?
060 if (configurationBaseUrl.getProtocol().equalsIgnoreCase("file")) {
061 this.rootDir = new URI("file", configurationBaseUrl.getPath(), null);
062 } else {
063 this.rootDir = URI.create(configurationBaseUrl.toString());
064 }
065 this.installDir = rootDir.resolve("install/");
066 this.workDir = rootDir.resolve("workspace/");
067 this.classLoader = classLoader;
068 log.info("Created JBI component: " + name);
069 }
070
071 public void doStart() throws Exception {
072 log.info("doStart called for JBI component: " + name);
073 try {
074 component = (javax.jbi.component.Component) classLoader.loadClass(className).newInstance();
075 container.register(this);
076 } catch (ClassNotFoundException e) {
077 log.error(classLoader);
078 }
079 }
080
081 public void doStop() throws Exception {
082 log.info("doStop called for JBI component: " + name);
083 container.unregister(this);
084 component = null;
085 }
086
087 public void doFail() {
088 log.info("doFail called for JBI component: " + name);
089 component = null;
090 }
091
092 public String getType() {
093 return type;
094 }
095
096 public String getName() {
097 return name;
098 }
099
100 public String getDescription() {
101 return description;
102 }
103
104 public URI getInstallDir() {
105 return installDir;
106 }
107
108 public URI getWorkDir() {
109 return workDir;
110 }
111
112 public URI getRootDir() {
113 return rootDir;
114 }
115
116 public javax.jbi.component.Component getComponent() {
117 return component;
118 }
119
120 public static final GBeanInfo GBEAN_INFO;
121
122 static {
123 GBeanInfoBuilder infoFactory = new GBeanInfoBuilder("JBIComponent", Component.class, "JBIComponent");
124 infoFactory.addAttribute("name", String.class, true);
125 infoFactory.addAttribute("description", String.class, true);
126 infoFactory.addAttribute("type", String.class, true);
127 infoFactory.addAttribute("className", String.class, true);
128 infoFactory.addReference("container", Container.class);
129 infoFactory.addAttribute("configurationBaseUrl", URL.class, true);
130 infoFactory.addAttribute("classLoader", ClassLoader.class, false);
131 infoFactory.setConstructor(new String[] { "name", "description", "type", "className", "container",
132 "configurationBaseUrl", "classLoader" });
133 GBEAN_INFO = infoFactory.getBeanInfo();
134 }
135
136 public static GBeanInfo getGBeanInfo() {
137 return GBEAN_INFO;
138 }
139
140 }