01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common Development
08: * and Distribution License("CDDL") (collectively, the "License"). You
09: * may not use this file except in compliance with the License. You can obtain
10: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
11: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
12: * language governing permissions and limitations under the License.
13: *
14: * When distributing the software, include this License Header Notice in each
15: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
16: * Sun designates this particular file as subject to the "Classpath" exception
17: * as provided by Sun in the GPL Version 2 section of the License file that
18: * accompanied this code. If applicable, add the following below the License
19: * Header, with the fields enclosed by brackets [] replaced by your own
20: * identifying information: "Portions Copyrighted [year]
21: * [name of copyright owner]"
22: *
23: * Contributor(s):
24: *
25: * If you wish your version of this file to be governed by only the CDDL or
26: * only the GPL Version 2, indicate your decision by adding "[Contributor]
27: * elects to include this software in this distribution under the [CDDL or GPL
28: * Version 2] license." If you don't indicate a single choice of license, a
29: * recipient has the option to distribute your version of this file under
30: * either the CDDL, the GPL Version 2 or to extend the choice of license to
31: * its licensees as provided above. However, if you add GPL Version 2 code
32: * and therefore, elected the GPL Version 2 license, then the option applies
33: * only if the new code is made subject to such option by the copyright
34: * holder.
35: */
36: package com.sun.xml.ws.message;
37:
38: import org.xml.sax.Attributes;
39: import org.xml.sax.SAXException;
40: import org.xml.sax.helpers.DefaultHandler;
41: import org.xml.sax.helpers.AttributesImpl;
42:
43: /**
44: * Sniffs the root element name and its attributes from SAX events.
45: *
46: * @author Kohsuke Kawaguchi
47: */
48: public final class RootElementSniffer extends DefaultHandler {
49: private String nsUri = "##error";
50: private String localName = "##error";
51: private Attributes atts;
52:
53: private final boolean parseAttributes;
54:
55: public RootElementSniffer(boolean parseAttributes) {
56: this .parseAttributes = parseAttributes;
57: }
58:
59: public RootElementSniffer() {
60: this (true);
61: }
62:
63: public void startElement(String uri, String localName,
64: String qName, Attributes a) throws SAXException {
65: this .nsUri = uri;
66: this .localName = localName;
67:
68: if (parseAttributes) {
69: if (a.getLength() == 0) // often there's no attribute
70: this .atts = EMPTY_ATTRIBUTES;
71: else
72: this .atts = new AttributesImpl(a);
73: }
74:
75: // no need to parse any further.
76: throw aSAXException;
77: }
78:
79: public String getNsUri() {
80: return nsUri;
81: }
82:
83: public String getLocalName() {
84: return localName;
85: }
86:
87: public Attributes getAttributes() {
88: return atts;
89: }
90:
91: private static final SAXException aSAXException = new SAXException();
92: private static final Attributes EMPTY_ATTRIBUTES = new AttributesImpl();
93: }
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