001 /**
002 *
003 * Copyright 2003-2004 The Apache Software Foundation
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * 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.util.ArrayList;
021 import java.util.HashMap;
022 import java.util.Iterator;
023 import java.util.List;
024 import java.util.Map;
025
026 import javax.enterprise.deploy.model.DDBean;
027 import javax.enterprise.deploy.model.DDBeanRoot;
028 import javax.enterprise.deploy.model.XpathListener;
029
030 import org.apache.xmlbeans.XmlCursor;
031
032 /**
033 *
034 *
035 * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
036 */
037 public class DDBeanImpl implements DDBean {
038 protected final DDBeanRoot root;
039 protected final String xpath;
040 protected final Map children;
041 protected final String content;
042 protected final Map attributeMap;
043 protected final DDBean parent;
044
045 public DDBeanImpl(DDBeanRoot root, DDBean parent, String xpath, XmlCursor c) {
046 this.root = root;
047 this.parent = parent;
048 this.xpath = xpath;
049 this.children = new HashMap();
050 this.attributeMap = new HashMap();
051 content = c.getTextValue();
052 c.push();
053 if (c.toFirstAttribute()) {
054 do {
055 attributeMap.put(c.getName().getLocalPart(), c.getTextValue());
056 } while (c.toNextAttribute());
057 }
058 c.pop();
059 c.push();
060 if (c.toFirstChild()) {
061 do {
062 String name = c.getName().getLocalPart();
063 List nodes = (List) children.get(name);
064 if (nodes == null) {
065 nodes = new ArrayList();
066 children.put(name, nodes);
067 }
068 nodes.add(new DDBeanImpl(root, this, xpath + "/" + name, c));
069 } while (c.toNextSibling());
070 }
071 c.pop();
072 }
073
074 DDBeanImpl(DDBeanImpl source, String xpath) {
075 this.xpath = xpath;
076 this.root = source.root;
077 this.parent = source.parent;
078 this.children = source.children;
079 this.content = source.content;
080 this.attributeMap = source.attributeMap;
081 }
082
083 public DDBeanRoot getRoot() {
084 return root;
085 }
086
087 public String getXpath() {
088 return xpath;
089 }
090
091 public String getText() {
092 return content;
093 }
094
095 public String getId() {
096 return getAttributeValue("id");
097 }
098
099 public String getAttributeValue(String attrName) {
100 String value = (String) attributeMap.get(attrName);
101 if (value == null || value.length() == 0) {
102 return null;
103 }
104 return value;
105 }
106
107 public String[] getText(String xpath) {
108 DDBean[] beans = getChildBean(xpath);
109 if (beans == null) {
110 return null;
111 }
112
113 String[] text = new String[beans.length];
114 for (int i = 0; i < beans.length; i++) {
115 text[i] = beans[i].getText();
116 }
117 return text;
118 }
119
120 public DDBean[] getChildBean(String xpath) {
121 if (xpath.startsWith("/")) {
122 return getRoot().getChildBean(xpath.substring(1));
123 } else if(xpath.equals(".")) {
124 return new DDBean[]{this};
125 } else if(xpath.startsWith("./")) {
126 return getChildBean(xpath.substring(2));
127 } else if(xpath.startsWith("..")) {
128 if(xpath.length() == 2) {
129 return new DDBean[]{parent};
130 } else {
131 return parent.getChildBean(xpath.substring(3));
132 }
133 }
134 int index = xpath.indexOf('/');
135 if (index == -1) {
136 List beans = (List) children.get(xpath);
137 if (beans == null) {
138 return null;
139 }
140 DDBean[] newDDBeans = (DDBean[]) beans.toArray(new DDBean[beans.size()]);
141 for (int i = 0; i < newDDBeans.length; i++) {
142 newDDBeans[i] = new DDBeanImpl((DDBeanImpl) newDDBeans[i], xpath);
143 }
144 return newDDBeans;
145 } else {
146 List childBeans = (List) children.get(xpath.substring(0, index));
147 if (childBeans == null) {
148 return null;
149 }
150 String path = xpath.substring(index + 1);
151 List beans = new ArrayList();
152 for (Iterator i = childBeans.iterator(); i.hasNext();) {
153 DDBean bean = (DDBean) i.next();
154 DDBean[] childs = bean.getChildBean(path);
155 if (childs != null) {
156 for (int j = 0; j < childs.length; j++) {
157 beans.add(new DDBeanImpl((DDBeanImpl) childs[j], xpath));
158 }
159 }
160 }
161 return beans.size() > 0 ? (DDBean[]) beans.toArray(new DDBean[beans.size()]) : null;
162 }
163 }
164
165 public String[] getAttributeNames() {
166 return (String[]) attributeMap.keySet().toArray(new String[attributeMap.size()]);
167 }
168
169 public void addXpathListener(String xpath, XpathListener xpl) {
170 }
171
172 public void removeXpathListener(String xpath, XpathListener xpl) {
173 }
174
175 public boolean equals(Object other) {
176 if (other.getClass() != DDBeanImpl.class) {
177 return false;
178 }
179 DDBeanImpl otherdd = (DDBeanImpl) other;
180 return xpath.equals(otherdd.xpath)
181 && children.equals(otherdd.children)
182 && attributeMap.equals(otherdd.attributeMap)
183 && root.equals(otherdd.root);
184 }
185
186 public int hashCode() {
187 return xpath.hashCode() ^ attributeMap.hashCode() ^ root.hashCode();
188 }
189 }