/*

 * 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.txw2.output;

import java.io.IOException;

import java.io.Writer;

/**

 * Escape everything above the US-ASCII code range.

 * A fallback position.

 *

 * Works with any JDK, any encoding.

 *

 * @since 1.0.1

 * @author

 *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)

 */

public class DumbEscapeHandler implements CharacterEscapeHandler {

    private DumbEscapeHandler() {}  // no instanciation please

    public static final CharacterEscapeHandler theInstance = new DumbEscapeHandler();

    public void escape(char[] ch, int start, int length, boolean isAttVal, Writer out) throws IOException {

        int limit = start+length;

        for (int i = start; i < limit; i++) {

            switch (ch[i]) {

            case '&':

                out.write("&");

                break;

            case '<':

                out.write("<");

                break;

            case '>':

                out.write(">");

                break;

            case '\"':

                if (isAttVal) {

                    out.write(""");

                } else {

                    out.write('\"');

                }

                break;

            default:

                if (ch[i] > '\u007f') {

                    out.write("&#");

                    out.write(Integer.toString(ch[i]));

                    out.write(';');

                } else {

                    out.write(ch[i]);

                }

            }

        }

    }

}