Mercurial > jdk8-mips64-public > jaxws / file comparison
comparison: src/share/jaxws_classes/com/sun/tools/internal/ws/wsdl/parser/WhitespaceStripper.java
src/share/jaxws_classes/com/sun/tools/internal/ws/wsdl/parser/WhitespaceStripper.java
- changeset 286
- f50545b5e2f1
- child 368
- 0989ad8c0860
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| 1 /* | |
| 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. Oracle designates this | |
| 8 * particular file as subject to the "Classpath" exception as provided | |
| 9 * by Oracle in the LICENSE file that accompanied this code. | |
| 10 * | |
| 11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 * accompanied this code). | |
| 16 * | |
| 17 * You should have received a copy of the GNU General Public License version | |
| 18 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 * | |
| 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 * or visit www.oracle.com if you need additional information or have any | |
| 23 * questions. | |
| 24 */ | |
| 25 | |
| 26 package com.sun.tools.internal.ws.wsdl.parser; | |
| 27 | |
| 28 import com.sun.xml.internal.bind.WhiteSpaceProcessor; | |
| 29 import org.xml.sax.*; | |
| 30 import org.xml.sax.helpers.XMLFilterImpl; | |
| 31 | |
| 32 /** | |
| 33 * Strips ignorable whitespace from SAX event stream. | |
| 34 * | |
| 35 * <p> | |
| 36 * This filter works only when the event stream doesn't | |
| 37 * contain any mixed content. | |
| 38 * | |
| 39 * @author | |
| 40 * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) | |
| 41 * Vivek Pandey | |
| 42 */ | |
| 43 class WhitespaceStripper extends XMLFilterImpl { | |
| 44 | |
| 45 private int state = 0; | |
| 46 | |
| 47 private char[] buf = new char[1024]; | |
| 48 private int bufLen = 0; | |
| 49 | |
| 50 private static final int AFTER_START_ELEMENT = 1; | |
| 51 private static final int AFTER_END_ELEMENT = 2; | |
| 52 | |
| 53 public WhitespaceStripper(XMLReader reader) { | |
| 54 setParent(reader); | |
| 55 } | |
| 56 | |
| 57 public WhitespaceStripper(ContentHandler handler, ErrorHandler eh, EntityResolver er) { | |
| 58 setContentHandler(handler); | |
| 59 if(eh!=null) setErrorHandler(eh); | |
| 60 if(er!=null) setEntityResolver(er); | |
| 61 } | |
| 62 | |
| 63 public void characters(char[] ch, int start, int length) throws SAXException { | |
| 64 switch(state) { | |
| 65 case AFTER_START_ELEMENT: | |
| 66 // we have to store the characters here, even if it consists entirely | |
| 67 // of whitespaces. This is because successive characters event might | |
| 68 // include non-whitespace char, in which case all the whitespaces in | |
| 69 // this event may suddenly become significant. | |
| 70 if( bufLen+length>buf.length ) { | |
| 71 // reallocate buffer | |
| 72 char[] newBuf = new char[Math.max(bufLen+length,buf.length*2)]; | |
| 73 System.arraycopy(buf,0,newBuf,0,bufLen); | |
| 74 buf = newBuf; | |
| 75 } | |
| 76 System.arraycopy(ch,start,buf,bufLen,length); | |
| 77 bufLen += length; | |
| 78 break; | |
| 79 case AFTER_END_ELEMENT: | |
| 80 // check if this is ignorable. | |
| 81 int len = start+length; | |
| 82 for( int i=start; i<len; i++ ) | |
| 83 if( !WhiteSpaceProcessor.isWhiteSpace(ch[i]) ) { | |
| 84 super.characters(ch, start, length); | |
| 85 return; | |
| 86 } | |
| 87 // if it's entirely whitespace, ignore it. | |
| 88 break; | |
| 89 } | |
| 90 } | |
| 91 | |
| 92 public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException { | |
| 93 processPendingText(); | |
| 94 super.startElement(uri, localName, qName, atts); | |
| 95 state = AFTER_START_ELEMENT; | |
| 96 bufLen = 0; | |
| 97 } | |
| 98 | |
| 99 public void endElement(String uri, String localName, String qName) throws SAXException { | |
| 100 processPendingText(); | |
| 101 super.endElement(uri, localName, qName); | |
| 102 state = AFTER_END_ELEMENT; | |
| 103 } | |
| 104 | |
| 105 /** | |
| 106 * Forwars the buffered characters if it contains any non-whitespace | |
| 107 * character. | |
| 108 */ | |
| 109 private void processPendingText() throws SAXException { | |
| 110 if(state==AFTER_START_ELEMENT) { | |
| 111 for( int i=bufLen-1; i>=0; i-- ) | |
| 112 if( !WhiteSpaceProcessor.isWhiteSpace(buf[i]) ) { | |
| 113 super.characters(buf, 0, bufLen); | |
| 114 return; | |
| 115 } | |
| 116 } | |
| 117 } | |
| 118 | |
| 119 public void ignorableWhitespace(char[] ch, int start, int length) throws SAXException { | |
| 120 // ignore completely. | |
| 121 } | |
| 122 } |
