77 lines
2.9 KiB
Java
77 lines
2.9 KiB
Java
/*
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* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.xml.internal.bind.marshaller;
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import java.io.IOException;
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import java.io.Writer;
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/**
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* Performs no character escaping. Usable only when the output encoding
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* is UTF, but this handler gives the maximum performance.
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*
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* @author
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* Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
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*/
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public class MinimumEscapeHandler implements CharacterEscapeHandler {
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private MinimumEscapeHandler() {} // no instanciation please
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public static final CharacterEscapeHandler theInstance = new MinimumEscapeHandler();
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public void escape(char[] ch, int start, int length, boolean isAttVal, Writer out) throws IOException {
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// avoid calling the Writerwrite method too much by assuming
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// that the escaping occurs rarely.
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// profiling revealed that this is faster than the naive code.
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int limit = start+length;
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for (int i = start; i < limit; i++) {
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char c = ch[i];
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if(c == '&' || c == '<' || c == '>' || c == '\r' || (c == '\"' && isAttVal) ) {
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if(i!=start)
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out.write(ch,start,i-start);
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start = i+1;
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switch (ch[i]) {
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case '&':
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out.write("&");
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break;
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case '<':
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out.write("<");
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break;
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case '>':
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out.write(">");
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break;
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case '\"':
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out.write(""");
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break;
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}
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}
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}
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if( start!=limit )
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out.write(ch,start,limit-start);
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}
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}
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