/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* $Id$ */ package org.apache.fop.hyphenation; import java.io.Serializable; /** * <p>This class represents a hyphen. A 'full' hyphen is made of 3 parts: * the pre-break text, post-break text and no-break. If no line-break * is generated at this position, the no-break text is used, otherwise, * pre-break and post-break are used. Typically, pre-break is equal to * the hyphen character and the others are empty. However, this general * scheme allows support for cases in some languages where words change * spelling if they're split across lines, like german's 'backen' which * hyphenates 'bak-ken'. BTW, this comes from TeX.</p> * * <p>This work was authored by Carlos Villegas (cav@uniscope.co.jp).</p> */ /** * Represents a hyphen. */ public class Hyphen implements Serializable { private static final long serialVersionUID = 8989909741110279085L; /** pre break string */ public String preBreak; /** no break string */ public String noBreak; /** post break string */ public String postBreak; /** * Construct a hyphen. * @param pre break string * @param no break string * @param post break string */ Hyphen(String pre, String no, String post) { preBreak = pre; noBreak = no; postBreak = post; } /** * Construct a hyphen. * @param pre break string */ Hyphen(String pre) { preBreak = pre; noBreak = null; postBreak = null; } /** {@inheritDoc} */ public String toString() { if (noBreak == null && postBreak == null && preBreak != null && preBreak.equals("-")) { return "-"; } StringBuffer res = new StringBuffer("{"); res.append(preBreak); res.append("}{"); res.append(postBreak); res.append("}{"); res.append(noBreak); res.append('}'); return res.toString(); } }