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1 package org.objectweb.celtix.bus.handlers;
2
3 import java.io.InputStream  ;
4 import java.util.ArrayList ;
5 import java.util.List ;
6
7 import javax.xml.namespace.QName ;
8 import javax.xml.parsers.DocumentBuilder ;
9 import javax.xml.parsers.DocumentBuilderFactory ;
10 import javax.xml.ws.WebServiceException;
11
12 import org.w3c.dom.Document ;
13 import org.w3c.dom.Element ;
14 import org.w3c.dom.Node ;
15 import org.w3c.dom.NodeList ;
16
17 import org.objectweb.celtix.bus.jaxws.configuration.types.HandlerChainType;
18 import org.objectweb.celtix.configuration.ConfigurationItemMetadata;
19 import org.objectweb.celtix.configuration.impl.TypeSchema;
20 import org.objectweb.celtix.configuration.impl.TypeSchemaHelper;
21
22 public class HandlerChainDocument {
23 private static final String HANDLER_CHAIN_TYPE_NAME = "handlerChainType";
24 private static final String HANDLER_CONFIG_ELEM_NAME = "handler-config";
25 private static final String HANDLER_CHAIN_ELEM_NAME = "handler-chain";
26 private static final String HANDLER_CHAIN_NAME_ELEM_NAME = "handler-chain-name";
27 private static final String HANDLER_ELEM_NAME = "handler";
28 private static final String HANDLER_NAME_ELEM_NAME = "handler-name";
29 private static final String HANDLER_CLASS_ELEM_NAME = "handler-class";
30 private static final String INIT_PARAM_ELEM_NAME = "init=param";
31 private static final String PARAM_NAME_ELEM_NAME = "param-name";
32 private static final String PARAM_VALUE_ELEM_NAME = "param-value";
33 private static final String JAXWS_TYPES_URI = "http://celtix.objectweb.org/bus/jaxws/configuration/types";
34
35 private List <HandlerChainType> chains;
36
37 HandlerChainDocument(InputStream is, boolean doValidate) {
38 chains = new ArrayList <HandlerChainType>();
39 try {
40 DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
41 dbf.setNamespaceAware(false);
42 DocumentBuilder builder = dbf.newDocumentBuilder();
43 Document srcDoc = builder.parse(is);
44 dbf.setNamespaceAware(true);
45 Document destDoc = builder.newDocument();
46 transform(srcDoc, destDoc);
47
48 NodeList chainNodes = destDoc.getFirstChild().getChildNodes();
49 for (int i = 0; i < chainNodes.getLength(); i++) {
50 Node node = chainNodes.item(i);
51 if (Node.ELEMENT_NODE == node.getNodeType()
52 && HANDLER_CHAIN_ELEM_NAME.equals(getNodeName(node))) {
53
54 String location = "schemas/configuration/jaxws-types.xsd";
55 TypeSchema ts = new TypeSchemaHelper(true).get(JAXWS_TYPES_URI, null, location);
56
57 ConfigurationItemMetadata mdi = new ConfigurationItemMetadata() {
58 public Object getDefaultValue() {
59 return null;
60 }
61
62 public LifecyclePolicy getLifecyclePolicy() {
63 return LifecyclePolicy.STATIC;
64 }
65
66 public String getName() {
67 return "handlerChain";
68 }
69
70 public QName getType() {
71 return new QName (JAXWS_TYPES_URI, HANDLER_CHAIN_TYPE_NAME);
72 }
73
74 };
75
76 Object obj = ts.unmarshalDefaultValue(mdi, (Element )node, doValidate);
77 chains.add((HandlerChainType)obj);
78 }
79 }
80 } catch (Exception ex) {
81 if (ex instanceof WebServiceException) {
82 throw (WebServiceException)ex;
83 }
84 throw new WebServiceException(ex);
85 }
86 }
87
88 HandlerChainType getChain(String name) {
89 if (null == name || "".equals(name)) {
90 return chains.size() > 0 ? chains.get(0) : null;
91 }
92 for (HandlerChainType hc : chains) {
93 if (name.equals(hc.getHandlerChainName())) {
94 return hc;
95 }
96 }
97 return null;
98 }
99
100 private String getNodeName(Node node) {
101 String name = node.getNodeName();
102 if (name.contains(":")) {
103 name = name.substring(name.indexOf(":") + 1);
104 }
105 return name;
106 }
107
108 private void transform(Document src, Document dest) {
109 Node destNode = dest.createElement(HANDLER_CONFIG_ELEM_NAME);
110 dest.appendChild(destNode);
111 Node srcNode = src.getFirstChild();
112 createChainNodes(src, srcNode, dest, destNode);
113 }
114
115 private void createChainNodes(Document src, Node srcNode, Document dest, Node destNode) {
116 NodeList nodes = srcNode.getChildNodes();
117 for (int i = 0; i < nodes.getLength(); i++) {
118 Node node = nodes.item(i);
119 if (Node.ELEMENT_NODE == node.getNodeType()
120 && HANDLER_CHAIN_ELEM_NAME.equals(getNodeName(node))) {
121 Element el = dest.createElementNS(JAXWS_TYPES_URI, HANDLER_CHAIN_ELEM_NAME);
122 destNode.appendChild(el);
123 createLeafNode(src, node, dest, el, HANDLER_CHAIN_NAME_ELEM_NAME);
124 createHandlerNodes(src, node, dest, el);
125 }
126 }
127 }
128
129 private void createLeafNode(Document src, Node srcNode, Document dest, Node destNode, String type) {
130 NodeList nodes = srcNode.getChildNodes();
131 for (int i = 0; i < nodes.getLength(); i++) {
132 Node node = nodes.item(i);
133 if (Node.ELEMENT_NODE == node.getNodeType() && type.equals(getNodeName(node))) {
134 Element el = dest.createElementNS(JAXWS_TYPES_URI, type);
135 el.setTextContent(node.getTextContent());
136 destNode.appendChild(el);
137 break;
138 }
139 }
140 }
141
142 private void createHandlerNodes(Document src, Node srcNode, Document dest, Node destNode) {
143 NodeList nodes = srcNode.getChildNodes();
144 for (int i = 0; i < nodes.getLength(); i++) {
145 Node node = nodes.item(i);
146 if (Node.ELEMENT_NODE == node.getNodeType() && HANDLER_ELEM_NAME.equals(getNodeName(node))) {
147 Element el = dest.createElementNS(JAXWS_TYPES_URI, HANDLER_ELEM_NAME);
148 destNode.appendChild(el);
149 createLeafNode(src, node, dest, el, HANDLER_NAME_ELEM_NAME);
150 createLeafNode(src, node, dest, el, HANDLER_CLASS_ELEM_NAME);
151 createInitParamNodes(src, node, dest, el);
152 }
153 }
154 }
155
156 private void createInitParamNodes(Document src, Node srcNode, Document dest, Node destNode) {
157 NodeList nodes = srcNode.getChildNodes();
158 for (int i = 0; i < nodes.getLength(); i++) {
159 Node node = nodes.item(i);
160 if (Node.ELEMENT_NODE == node.getNodeType() && INIT_PARAM_ELEM_NAME.equals(getNodeName(node))) {
161 Element el = dest.createElementNS(JAXWS_TYPES_URI, INIT_PARAM_ELEM_NAME);
162 destNode.appendChild(el);
163 createLeafNode(src, node, dest, el, PARAM_NAME_ELEM_NAME);
164 createLeafNode(src, node, dest, el, PARAM_VALUE_ELEM_NAME);
165 }
166 }
167 }
168 }
169 |
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