jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/output/IndentingUTF8XmlOutput.java@d5c5a205d7fb

8172297: In java 8, the marshalling with JAX-WS does not escape carriage return
Reviewed-by: lancea

     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  */

    26 package com.sun.xml.internal.bind.v2.runtime.output;

    28 import com.sun.xml.internal.bind.marshaller.CharacterEscapeHandler;

    29 import java.io.IOException;

    30 import java.io.OutputStream;

    32 import javax.xml.stream.XMLStreamException;

    34 import com.sun.xml.internal.bind.v2.runtime.Name;

    36 import org.xml.sax.SAXException;

    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 {

    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;

    57     /**

    58      * Length of one indentation.

    59      */

    60     private final int unitLen;

    62     private int depth = 0;

    64     private boolean seenText = false;

    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);

    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     }

    88     @Override

    89     public void beginStartTag(int prefix, String localName) throws IOException {

    90         indentStartTag();

    91         super.beginStartTag(prefix, localName);

    92     }

    94     @Override

    95     public void beginStartTag(Name name) throws IOException {

    96         indentStartTag();

    97         super.beginStartTag(name);

    98     }

   100     private void indentStartTag() throws IOException {

   101         closeStartTag();

   102         if(!seenText)

   103             printIndent();

   104         depth++;

   105         seenText = false;

   106     }

   108     @Override

   109     public void endTag(Name name) throws IOException {

   110         indentEndTag();

   111         super.endTag(name);

   112     }

   114     @Override

   115     public void endTag(int prefix, String localName) throws IOException {

   116         indentEndTag();

   117         super.endTag(prefix, localName);

   118     }

   120     private void indentEndTag() throws IOException {

   121         depth--;

   122         if(!closeStartTagPending && !seenText)

   123             printIndent();

   124         seenText = false;

   125     }

   127     private void printIndent() throws IOException {

   128         write('\n');

   129         int i = depth%8;

   131         write( indent8.buf, 0, i*unitLen );

   133         i>>=3;  // really i /= 8;

   135         for( ; i>0; i-- )

   136             indent8.write(this);

   137     }

   139     @Override

   140     public void text(String value, boolean needSP) throws IOException {

   141         seenText = true;

   142         super.text(value, needSP);

   143     }

   145     @Override

   146     public void text(Pcdata value, boolean needSP) throws IOException {

   147         seenText = true;

   148         super.text(value, needSP);

   149     }

   151     @Override

   152     public void endDocument(boolean fragment) throws IOException, SAXException, XMLStreamException {

   153         write('\n');

   154         super.endDocument(fragment);

   155     }

   156 }

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