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src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/output/IndentingUTF8XmlOutput.java@e530533619ec (annotated)

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/output/IndentingUTF8XmlOutput.java

Thu, 12 Oct 2017 19:44:07 +0800

author

aoqi

date

Thu, 12 Oct 2017 19:44:07 +0800

changeset 760

e530533619ec

parent 0

373ffda63c9a

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation. Oracle designates this
aoqi@0	8	* particular file as subject to the "Classpath" exception as provided
aoqi@0	9	* by Oracle in the LICENSE file that accompanied this code.
aoqi@0	10	*
aoqi@0	11	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	14	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	15	* accompanied this code).
aoqi@0	16	*
aoqi@0	17	* You should have received a copy of the GNU General Public License version
aoqi@0	18	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	20	*
aoqi@0	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	22	* or visit www.oracle.com if you need additional information or have any
aoqi@0	23	* questions.
aoqi@0	24	*/
aoqi@0	25
aoqi@0	26	package com.sun.xml.internal.bind.v2.runtime.output;
aoqi@0	27
aoqi@0	28	import com.sun.xml.internal.bind.marshaller.CharacterEscapeHandler;
aoqi@0	29	import java.io.IOException;
aoqi@0	30	import java.io.OutputStream;
aoqi@0	31
aoqi@0	32	import javax.xml.stream.XMLStreamException;
aoqi@0	33
aoqi@0	34	import com.sun.xml.internal.bind.v2.runtime.Name;
aoqi@0	35
aoqi@0	36	import org.xml.sax.SAXException;
aoqi@0	37
aoqi@0	38	/**
aoqi@0	39	* {@link UTF8XmlOutput} with indentation.
aoqi@0	40	*
aoqi@0	41	* TODO: not sure if it's a good idea to move the indenting functionality to another class.
aoqi@0	42	*
aoqi@0	43	* Doesn't have to be final, but it helps the JVM.
aoqi@0	44	*
aoqi@0	45	* @author Kohsuke Kawaguchi
aoqi@0	46	*/
aoqi@0	47	public final class IndentingUTF8XmlOutput extends UTF8XmlOutput {
aoqi@0	48
aoqi@0	49	/**
aoqi@0	50	* Null if the writer should perform no indentation.
aoqi@0	51	*
aoqi@0	52	* Otherwise this will keep the 8 copies of the string for indentation.
aoqi@0	53	* (so that we can write 8 indentation at once.)
aoqi@0	54	*/
aoqi@0	55	private final Encoded indent8;
aoqi@0	56
aoqi@0	57	/**
aoqi@0	58	* Length of one indentation.
aoqi@0	59	*/
aoqi@0	60	private final int unitLen;
aoqi@0	61
aoqi@0	62	private int depth = 0;
aoqi@0	63
aoqi@0	64	private boolean seenText = false;
aoqi@0	65
aoqi@0	66	/**
aoqi@0	67	*
aoqi@0	68	* @param indentStr
aoqi@0	69	* set to null for no indentation and optimal performance.
aoqi@0	70	* otherwise the string is used for indentation.
aoqi@0	71	*/
aoqi@0	72	public IndentingUTF8XmlOutput(OutputStream out, String indentStr, Encoded[] localNames, CharacterEscapeHandler escapeHandler) {
aoqi@0	73	super(out, localNames, escapeHandler);
aoqi@0	74
aoqi@0	75	if(indentStr!=null) {
aoqi@0	76	Encoded e = new Encoded(indentStr);
aoqi@0	77	indent8 = new Encoded();
aoqi@0	78	indent8.ensureSize(e.len*8);
aoqi@0	79	unitLen = e.len;
aoqi@0	80	for( int i=0; i<8; i++ )
aoqi@0	81	System.arraycopy(e.buf, 0, indent8.buf, unitLen*i, unitLen);
aoqi@0	82	} else {
aoqi@0	83	this.indent8 = null;
aoqi@0	84	this.unitLen = 0;
aoqi@0	85	}
aoqi@0	86	}
aoqi@0	87
aoqi@0	88	@Override
aoqi@0	89	public void beginStartTag(int prefix, String localName) throws IOException {
aoqi@0	90	indentStartTag();
aoqi@0	91	super.beginStartTag(prefix, localName);
aoqi@0	92	}
aoqi@0	93
aoqi@0	94	@Override
aoqi@0	95	public void beginStartTag(Name name) throws IOException {
aoqi@0	96	indentStartTag();
aoqi@0	97	super.beginStartTag(name);
aoqi@0	98	}
aoqi@0	99
aoqi@0	100	private void indentStartTag() throws IOException {
aoqi@0	101	closeStartTag();
aoqi@0	102	if(!seenText)
aoqi@0	103	printIndent();
aoqi@0	104	depth++;
aoqi@0	105	seenText = false;
aoqi@0	106	}
aoqi@0	107
aoqi@0	108	@Override
aoqi@0	109	public void endTag(Name name) throws IOException {
aoqi@0	110	indentEndTag();
aoqi@0	111	super.endTag(name);
aoqi@0	112	}
aoqi@0	113
aoqi@0	114	@Override
aoqi@0	115	public void endTag(int prefix, String localName) throws IOException {
aoqi@0	116	indentEndTag();
aoqi@0	117	super.endTag(prefix, localName);
aoqi@0	118	}
aoqi@0	119
aoqi@0	120	private void indentEndTag() throws IOException {
aoqi@0	121	depth--;
aoqi@0	122	if(!closeStartTagPending && !seenText)
aoqi@0	123	printIndent();
aoqi@0	124	seenText = false;
aoqi@0	125	}
aoqi@0	126
aoqi@0	127	private void printIndent() throws IOException {
aoqi@0	128	write('\n');
aoqi@0	129	int i = depth%8;
aoqi@0	130
aoqi@0	131	write( indent8.buf, 0, i*unitLen );
aoqi@0	132
aoqi@0	133	i>>=3; // really i /= 8;
aoqi@0	134
aoqi@0	135	for( ; i>0; i-- )
aoqi@0	136	indent8.write(this);
aoqi@0	137	}
aoqi@0	138
aoqi@0	139	@Override
aoqi@0	140	public void text(String value, boolean needSP) throws IOException {
aoqi@0	141	seenText = true;
aoqi@0	142	super.text(value, needSP);
aoqi@0	143	}
aoqi@0	144
aoqi@0	145	@Override
aoqi@0	146	public void text(Pcdata value, boolean needSP) throws IOException {
aoqi@0	147	seenText = true;
aoqi@0	148	super.text(value, needSP);
aoqi@0	149	}
aoqi@0	150
aoqi@0	151	@Override
aoqi@0	152	public void endDocument(boolean fragment) throws IOException, SAXException, XMLStreamException {
aoqi@0	153	write('\n');
aoqi@0	154	super.endDocument(fragment);
aoqi@0	155	}
aoqi@0	156	}