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.plugin;
019
020 import javax.enterprise.deploy.model.DDBean;
021 import javax.enterprise.deploy.model.XpathEvent;
022 import javax.enterprise.deploy.spi.DConfigBean;
023 import javax.enterprise.deploy.spi.exceptions.BeanNotFoundException;
024 import javax.enterprise.deploy.spi.exceptions.ConfigurationException;
025
026 import org.apache.xmlbeans.XmlObject;
027
028 /**
029 *
030 *
031 * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
032 */
033 public abstract class DConfigBeanSupport extends XmlBeanSupport implements DConfigBean {
034 private DDBean ddBean;
035
036 public DConfigBeanSupport(DDBean ddBean, XmlObject xmlObject) {
037 super(xmlObject);
038 this.ddBean = ddBean;
039 }
040
041 protected void setParent(DDBean ddBean, XmlObject xmlObject) {
042 this.ddBean = ddBean;
043 setXmlObject(xmlObject);
044 }
045
046 public DDBean getDDBean() {
047 return ddBean;
048 }
049
050 public DConfigBean getDConfigBean(DDBean bean) throws ConfigurationException {
051 throw new ConfigurationException("No DConfigBean matching DDBean "+bean);
052 }
053
054 public String[] getXpaths() {
055 return null;
056 }
057
058 public void removeDConfigBean(DConfigBean bean) throws BeanNotFoundException {
059 throw new BeanNotFoundException("No children");
060 }
061
062 public void notifyDDChange(XpathEvent event) {
063 }
064
065 protected String[] getXPathsWithPrefix(String prefix, String[][] xpathSegments) {
066 String[] result = new String[xpathSegments.length];
067 for (int i = 0; i < xpathSegments.length; i++) {
068 String[] xpathSegmentArray = xpathSegments[i];
069 StringBuffer xpath = new StringBuffer();
070 for (int j = 0; j < xpathSegmentArray.length; j++) {
071 String segment = xpathSegmentArray[j];
072 if (prefix != null) {
073 xpath.append(prefix).append(":");
074 }
075 xpath.append(segment);
076 if (j < xpathSegmentArray.length -1) {
077 xpath.append("/");
078 }
079 }
080 result[i] = xpath.toString();
081 }
082 return result;
083 }
084
085 protected String[] getXPathsFromNamespace(String uri, String[][] xpathSegments) {
086 String[] attributeNames = ddBean.getRoot().getAttributeNames();
087 for (int i = 0; i < attributeNames.length; i++) {
088 String attributeName = attributeNames[i];
089 if (attributeName.startsWith("xmlns")) {
090 if (ddBean.getRoot().getAttributeValue(attributeName).equals(uri)) {
091 if (attributeName.equals("xmlns")) {
092 return getXPathsWithPrefix(null , xpathSegments);
093 }
094 return getXPathsWithPrefix(attributeName.substring(6), xpathSegments);
095 }
096 }
097 }
098 //we can't determine the namespace from looking at attributes, since the namespace is not an attribute.
099 //try assuming that the ddbeans strip namespaces from their xpath handing.
100 return getXPathsWithPrefix(null , xpathSegments);
101 }
102
103 /**
104 * Each entry in the first array is an XPath.
105 * Each entry in the enclosed array is a component of that XPath (slashes omitted).
106 * so {{"foo","bar"},{"baz","foo"}} would represent "foo/bar" and "baz/foo"
107 */
108 protected String[] getXPathsForJ2ee_1_4(String[][] xpathSegments) {
109 return getXPathsFromNamespace("http://java.sun.com/xml/ns/j2ee", xpathSegments);
110 }
111 }