Mercurial > jdk8-mips64-public > jaxws / file comparison
comparison: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/output/IndentingUTF8XmlOutput.java
src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/output/IndentingUTF8XmlOutput.java
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| 1 /* | |
| 2 * Copyright (c) 1997, 2011, 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.xml.internal.bind.v2.runtime.output; | |
| 27 | |
| 28 import com.sun.xml.internal.bind.marshaller.CharacterEscapeHandler; | |
| 29 import java.io.IOException; | |
| 30 import java.io.OutputStream; | |
| 31 | |
| 32 import javax.xml.stream.XMLStreamException; | |
| 33 | |
| 34 import com.sun.xml.internal.bind.v2.runtime.Name; | |
| 35 | |
| 36 import org.xml.sax.SAXException; | |
| 37 | |
| 38 /** | |
| 39 * {@link UTF8XmlOutput} with indentation. | |
| 40 * | |
| 41 * TODO: not sure if it's a good idea to move the indenting functionality to another class. | |
| 42 * | |
| 43 * Doesn't have to be final, but it helps the JVM. | |
| 44 * | |
| 45 * @author Kohsuke Kawaguchi | |
| 46 */ | |
| 47 public final class IndentingUTF8XmlOutput extends UTF8XmlOutput { | |
| 48 | |
| 49 /** | |
| 50 * Null if the writer should perform no indentation. | |
| 51 * | |
| 52 * Otherwise this will keep the 8 copies of the string for indentation. | |
| 53 * (so that we can write 8 indentation at once.) | |
| 54 */ | |
| 55 private final Encoded indent8; | |
| 56 | |
| 57 /** | |
| 58 * Length of one indentation. | |
| 59 */ | |
| 60 private final int unitLen; | |
| 61 | |
| 62 private int depth = 0; | |
| 63 | |
| 64 private boolean seenText = false; | |
| 65 | |
| 66 /** | |
| 67 * | |
| 68 * @param indentStr | |
| 69 * set to null for no indentation and optimal performance. | |
| 70 * otherwise the string is used for indentation. | |
| 71 */ | |
| 72 public IndentingUTF8XmlOutput(OutputStream out, String indentStr, Encoded[] localNames, CharacterEscapeHandler escapeHandler) { | |
| 73 super(out, localNames, escapeHandler); | |
| 74 | |
| 75 if(indentStr!=null) { | |
| 76 Encoded e = new Encoded(indentStr); | |
| 77 indent8 = new Encoded(); | |
| 78 indent8.ensureSize(e.len*8); | |
| 79 unitLen = e.len; | |
| 80 for( int i=0; i<8; i++ ) | |
| 81 System.arraycopy(e.buf, 0, indent8.buf, unitLen*i, unitLen); | |
| 82 } else { | |
| 83 this.indent8 = null; | |
| 84 this.unitLen = 0; | |
| 85 } | |
| 86 } | |
| 87 | |
| 88 @Override | |
| 89 public void beginStartTag(int prefix, String localName) throws IOException { | |
| 90 indentStartTag(); | |
| 91 super.beginStartTag(prefix, localName); | |
| 92 } | |
| 93 | |
| 94 @Override | |
| 95 public void beginStartTag(Name name) throws IOException { | |
| 96 indentStartTag(); | |
| 97 super.beginStartTag(name); | |
| 98 } | |
| 99 | |
| 100 private void indentStartTag() throws IOException { | |
| 101 closeStartTag(); | |
| 102 if(!seenText) | |
| 103 printIndent(); | |
| 104 depth++; | |
| 105 seenText = false; | |
| 106 } | |
| 107 | |
| 108 @Override | |
| 109 public void endTag(Name name) throws IOException { | |
| 110 indentEndTag(); | |
| 111 super.endTag(name); | |
| 112 } | |
| 113 | |
| 114 @Override | |
| 115 public void endTag(int prefix, String localName) throws IOException { | |
| 116 indentEndTag(); | |
| 117 super.endTag(prefix, localName); | |
| 118 } | |
| 119 | |
| 120 private void indentEndTag() throws IOException { | |
| 121 depth--; | |
| 122 if(!closeStartTagPending && !seenText) | |
| 123 printIndent(); | |
| 124 seenText = false; | |
| 125 } | |
| 126 | |
| 127 private void printIndent() throws IOException { | |
| 128 write('\n'); | |
| 129 int i = depth%8; | |
| 130 | |
| 131 write( indent8.buf, 0, i*unitLen ); | |
| 132 | |
| 133 i>>=3; // really i /= 8; | |
| 134 | |
| 135 for( ; i>0; i-- ) | |
| 136 indent8.write(this); | |
| 137 } | |
| 138 | |
| 139 @Override | |
| 140 public void text(String value, boolean needSP) throws IOException { | |
| 141 seenText = true; | |
| 142 super.text(value, needSP); | |
| 143 } | |
| 144 | |
| 145 @Override | |
| 146 public void text(Pcdata value, boolean needSP) throws IOException { | |
| 147 seenText = true; | |
| 148 super.text(value, needSP); | |
| 149 } | |
| 150 | |
| 151 @Override | |
| 152 public void endDocument(boolean fragment) throws IOException, SAXException, XMLStreamException { | |
| 153 write('\n'); | |
| 154 super.endDocument(fragment); | |
| 155 } | |
| 156 } |
