/**
* 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;
import ch.qos.logback.core.CoreConstants;
import ch.qos.logback.core.rolling.helper.FileNamePattern;
/**
* This implementation is intended for use in {@link FileNamePattern}.
*
* @author Ceki Gülcü
*/
public class AlmostAsIsEscapeUtil extends RestrictedEscapeUtil {
/**
* Do not perform any character escaping, except for '%', and ')'.
*
* <p>
* Here is the rationale. First, filename patterns do not include escape
* combinations such as \r or \n. Moreover, characters which have special
* meaning in logback parsers, such as '{', or '}' cannot be part of file
* names (so me thinks). The left parenthesis character has special meaning
* only if it is preceded by %. Thus, the only characters that needs escaping
* are '%' and ')'.
*
* <p>
* Note that this method assumes that it is called after the escape character
* has been consumed.
*/
public void escape(String escapeChars, StringBuffer buf, char next, int pointer) {
super.escape("" + CoreConstants.PERCENT_CHAR + CoreConstants.RIGHT_PARENTHESIS_CHAR, buf, next, pointer);
}
}