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.deployment.tools;
019
020 import java.io.InputStream;
021 import java.net.URL;
022
023 import javax.enterprise.deploy.model.DDBean;
024 import javax.enterprise.deploy.model.DDBeanRoot;
025 import javax.enterprise.deploy.model.DeployableObject;
026 import javax.enterprise.deploy.model.XpathListener;
027 import javax.enterprise.deploy.model.exceptions.DDBeanCreateException;
028 import javax.enterprise.deploy.shared.ModuleType;
029
030 import org.apache.geronimo.deployment.xmlbeans.XmlBeansUtil;
031 import org.apache.xmlbeans.XmlCursor;
032 import org.apache.xmlbeans.XmlObject;
033
034 /**
035 * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
036 */
037 public class DDBeanRootImpl implements DDBeanRoot {
038 private final DeployableObject deployable;
039 private final DDBean docBean;
040
041 public DDBeanRootImpl(DeployableObject deployable, URL descriptor) throws DDBeanCreateException {
042 this.deployable = deployable;
043 InputStream is = null;
044 try {
045 is = descriptor.openStream();
046 try {
047 XmlObject xmlObject = XmlBeansUtil.parse(is);
048 XmlCursor c = xmlObject.newCursor();
049 try {
050 c.toStartDoc();
051 c.toFirstChild();
052 docBean = new DDBeanImpl(this, this, "/" + c.getName().getLocalPart(), c);
053 } finally {
054 c.dispose();
055 }
056 } finally {
057 is.close();
058 }
059 } catch (Exception e) {
060 throw (DDBeanCreateException) new DDBeanCreateException("problem").initCause(e);
061 }
062 }
063
064 public DDBeanRoot getRoot() {
065 return this;
066 }
067
068 public String getXpath() {
069 return "/";
070 }
071
072 public String getDDBeanRootVersion() {
073 return docBean.getAttributeValue("version");
074 }
075
076 public DeployableObject getDeployableObject() {
077 return deployable;
078 }
079
080 public String getFilename() {
081 throw new UnsupportedOperationException();
082 }
083
084 public String getModuleDTDVersion() {
085 throw new UnsupportedOperationException();
086 }
087
088 public ModuleType getType() {
089 return deployable.getType();
090 }
091
092 public String getId() {
093 return null;
094 }
095
096 public String getText() {
097 return null;
098 }
099
100 public String[] getAttributeNames() {
101 return docBean.getAttributeNames();
102 }
103
104 public String getAttributeValue(String attrName) {
105 return docBean.getAttributeValue(attrName);
106 }
107
108 public DDBean[] getChildBean(String xpath) {
109 if (xpath.startsWith("/")) {
110 xpath = xpath.substring(1);
111 }
112 int index = xpath.indexOf('/');
113 String childName = (index == -1) ? xpath : xpath.substring(0, index);
114 if (("/" + childName).equals(docBean.getXpath())) {
115 if (index == -1) {
116 return new DDBean[]{new DDBeanImpl((DDBeanImpl) docBean, xpath)};
117 } else {
118 DDBean[] newDDBeans = docBean.getChildBean(xpath.substring(index + 1));
119 if (newDDBeans != null) {
120 for (int i = 0; i < newDDBeans.length; i++) {
121 newDDBeans[i] = new DDBeanImpl((DDBeanImpl) newDDBeans[i], xpath);
122 }
123 }
124 return newDDBeans;
125 }
126 } else {
127 return null;
128 }
129 }
130
131 public String[] getText(String xpath) {
132 DDBean[] beans = getChildBean(xpath);
133 if (beans == null) {
134 return null;
135 }
136
137 String[] text = new String[beans.length];
138 for (int i = 0; i < beans.length; i++) {
139 text[i] = beans[i].getText();
140 }
141 return text;
142 }
143
144 public void addXpathListener(String xpath, XpathListener xpl) {
145 throw new UnsupportedOperationException();
146 }
147
148 public void removeXpathListener(String xpath, XpathListener xpl) {
149 throw new UnsupportedOperationException();
150 }
151 }