| /* |
| * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.bind.marshaller; |
| |
| import java.io.IOException; |
| import java.io.Writer; |
| |
| /** |
| * Performs no character escaping. Usable only when the output encoding |
| * is UTF, but this handler gives the maximum performance. |
| * |
| * @author |
| * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) |
| */ |
| public class MinimumEscapeHandler implements CharacterEscapeHandler { |
| |
| private MinimumEscapeHandler() {} // no instanciation please |
| |
| public static final CharacterEscapeHandler theInstance = new MinimumEscapeHandler(); |
| |
| public void escape(char[] ch, int start, int length, boolean isAttVal, Writer out) throws IOException { |
| // avoid calling the Writerwrite method too much by assuming |
| // that the escaping occurs rarely. |
| // profiling revealed that this is faster than the naive code. |
| int limit = start+length; |
| for (int i = start; i < limit; i++) { |
| char c = ch[i]; |
| if (c == '&' || c == '<' || c == '>' || c == '\r' || (c == '\n' && isAttVal) || (c == '\"' && isAttVal)) { |
| if (i != start) |
| out.write(ch, start, i - start); |
| start = i + 1; |
| switch (ch[i]) { |
| case '&': |
| out.write("&"); |
| break; |
| case '<': |
| out.write("<"); |
| break; |
| case '>': |
| out.write(">"); |
| break; |
| case '\"': |
| out.write("""); |
| break; |
| case '\n': |
| case '\r': |
| out.write("&#"); |
| out.write(Integer.toString(c)); |
| out.write(';'); |
| break; |
| default: |
| throw new IllegalArgumentException("Cannot escape: '" + c + "'"); |
| } |
| } |
| } |
| |
| if( start!=limit ) |
| out.write(ch,start,limit-start); |
| } |
| |
| } |