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Java > Open Source Codes > org > apache > jetspeed > webservices > finance > stockmarket > SOAPResponseHandler


1 /*
2  * Copyright 2000-2001,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.jetspeed.webservices.finance.stockmarket;
18
19 import org.xml.sax.helpers.XMLFilterImpl JavaDoc;
20 import org.xml.sax.ContentHandler JavaDoc;
21 import org.xml.sax.*;
22
23
24 class SOAPResponseHandler extends XMLFilterImpl JavaDoc
25 {
26     String JavaDoc outputNameSpace = null;
27     String JavaDoc outputElementName = null;
28     String JavaDoc outputPartElementName = null;
29
30     public SOAPResponseHandler(String JavaDoc ns, String JavaDoc en, String JavaDoc pen) {
31         outputNameSpace = ns;
32         outputElementName = en;
33         outputPartElementName = pen;
34     }
35
36     boolean inSoapEnv = false;
37     boolean inSoapBody = false;
38     boolean inOperation = false;
39     boolean inResult = false;
40     boolean debugParse = false;
41
42     StringBuffer JavaDoc resultBuffer = null;
43     XMLFilterImpl JavaDoc resultHandler = null;
44     int resultElementStack = 0;
45
46     boolean wasFault = false;
47     boolean inFault = false;
48     boolean inFaultString = false;
49     StringBuffer JavaDoc faultContent = null;
50
51     public void setContentHandler(ContentHandler JavaDoc handler) {
52         ((XMLReader)getParent()).setContentHandler(handler);
53     }
54
55     public void startElement(String JavaDoc uri, String JavaDoc localName, String JavaDoc qName, Attributes attributes) throws SAXException {
56         String JavaDoc uriName = uri+":"+localName;
57         if ("http://schemas.xmlsoap.org/soap/envelope/:Fault".equals(uriName)) {
58             if (debugParse) System.out.println("Found Fault");
59             inFault = true;
60         } else if (inFault && "faultstring".equals(localName)) {
61             if (debugParse) System.out.println("Found Fault String");
62             inFaultString = true;
63             faultContent = new StringBuffer JavaDoc();
64         } else if ("http://schemas.xmlsoap.org/soap/envelope/:Envelope".equals(uriName)) {
65             if (debugParse) System.out.println("Found Envelope");
66             inSoapEnv = true;
67         } else if (inSoapEnv && "http://schemas.xmlsoap.org/soap/envelope/:Body".equals(uriName)) {
68             if (debugParse) System.out.println("Found Body");
69             inSoapBody = true;
70         } else if (inSoapBody && (outputNameSpace+":"+outputElementName).equals(uriName)) {
71             if (debugParse) System.out.println("Found operation: "+localName);
72             inOperation = true;
73         } else if (inOperation && outputPartElementName.equals(localName)) {
74             if (attributes.getValue("href") != null) throw new SAXNotSupportedException("href attributes not supported");
75             if (debugParse) System.out.println("Found Part: "+localName);
76             if (resultHandler != null) {
77                 resultHandler.setParent(this);
78                 getParent().setContentHandler(resultHandler);
79             } else {
80                 resultBuffer = new StringBuffer JavaDoc();
81             }
82             inResult = true;
83         } else if (!inFault) {
84             if (debugParse) System.out.println("Found Unknown Element: <"+qName+"> ns:"+uri);
85             inResult = false;
86             inSoapEnv = false;
87             inSoapBody = false;
88         }
89     }
90
91     public void endElement(String JavaDoc uri, String JavaDoc localName, String JavaDoc qName) throws SAXException {
92         if (inResult && outputPartElementName.equals(localName)) {
93             inResult = false;
94         } else if ("http://schemas.xmlsoap.org/soap/envelope/:Fault".equals(uri+":"+localName)) {
95             wasFault = true;
96             inFault = false;
97         } else if (inFault && "faultstring".equals(localName)) {
98             inFaultString = false;
99         }
100     }
101
102     public void characters(char[] ch, int start, int length) throws SAXException {
103         if (inResult) {
104             resultBuffer.append(new String JavaDoc(ch,start,length));
105         }
106         if (inFault) faultContent.append(new String JavaDoc(ch,start,length));
107     }
108     public String JavaDoc getResult() {
109         if (resultBuffer == null) return null;
110         return resultBuffer.toString();
111     }
112     public void setResultHandler(XMLFilterImpl JavaDoc handler) {
113         resultHandler = handler;
114     }
115     public boolean isFault() {
116         return wasFault;
117     }
118     public String JavaDoc getFaultContent() {
119         if (faultContent == null) return "";
120         return faultContent.toString();
121     }
122 }
123
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