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1 /* |
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2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package com.sun.xml.internal.ws.message; |
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27 |
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28 import org.xml.sax.Attributes; |
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29 import org.xml.sax.SAXException; |
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30 import org.xml.sax.helpers.DefaultHandler; |
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31 import org.xml.sax.helpers.AttributesImpl; |
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32 |
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33 /** |
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34 * Sniffs the root element name and its attributes from SAX events. |
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35 * |
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36 * @author Kohsuke Kawaguchi |
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37 */ |
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38 public final class RootElementSniffer extends DefaultHandler { |
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39 private String nsUri = "##error"; |
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40 private String localName = "##error"; |
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41 private Attributes atts; |
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42 |
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43 private final boolean parseAttributes; |
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44 |
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45 public RootElementSniffer(boolean parseAttributes) { |
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46 this.parseAttributes = parseAttributes; |
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47 } |
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48 |
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49 public RootElementSniffer() { |
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50 this(true); |
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51 } |
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52 |
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53 public void startElement(String uri, String localName, String qName, Attributes a) throws SAXException { |
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54 this.nsUri = uri; |
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55 this.localName = localName; |
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56 |
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57 if(parseAttributes) { |
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58 if(a.getLength()==0) // often there's no attribute |
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59 this.atts = EMPTY_ATTRIBUTES; |
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60 else |
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61 this.atts = new AttributesImpl(a); |
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62 } |
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63 |
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64 // no need to parse any further. |
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65 throw aSAXException; |
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66 } |
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67 |
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68 public String getNsUri() { |
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69 return nsUri; |
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70 } |
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71 |
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72 public String getLocalName() { |
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73 return localName; |
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74 } |
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75 |
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76 public Attributes getAttributes() { |
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77 return atts; |
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78 } |
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79 |
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80 private static final SAXException aSAXException = new SAXException(); |
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81 private static final Attributes EMPTY_ATTRIBUTES = new AttributesImpl(); |
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82 } |