http://logback.qos.ch/logback-core: logback-core module (QOS.ch)
  • Ceki Gulcu
  • Joern Huxhorn 
Logback: the reliable, generic, fast and flexible logging framework.
Copyright (C) 1999-2015, QOS.ch. All rights reserved.
This program and the accompanying materials are dual-licensed under
either the terms of the Eclipse Public License v1.0 as published by
the Eclipse Foundation
  or (per the licensee's choosing)
under the terms of the GNU Lesser General Public License version 2.1
as published by the Free Software Foundation.

/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *
 *   or (per the licensee's choosing)
 *
 * under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation.
 */
package ch.qos.logback.core.pattern.util;


This implementation is intended for use in PatternLayout.

Author:Ceki Gülcü
/**
 * This implementation is intended for use in PatternLayout.
 *
 * @author Ceki Gülcü
 */
public class RestrictedEscapeUtil implements IEscapeUtil {

    public void escape(String escapeChars, StringBuffer buf, char next, int pointer) {
        if (escapeChars.indexOf(next) >= 0) {
            buf.append(next);
        } else {
            // restitute the escape char (because it was consumed
            // before this method was called).
            buf.append("\\");
            // restitute the next character
            buf.append(next);
        }
    }

}