/* * #! * Ontopia Navigator * #- * Copyright (C) 2001 - 2013 The Ontopia Project * #- * Licensed 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. * !# */ package net.ontopia.topicmaps.nav2.impl.framework; import net.ontopia.utils.StringifierIF; import net.ontopia.topicmaps.core.TopicNameIF; /** * INTERNAL: ... */ public class FirstUpperCaseStringifier implements StringifierIF { public FirstUpperCaseStringifier() { } public String toString(Object obj) { if (obj instanceof TopicNameIF) { TopicNameIF basename = (TopicNameIF) obj; String name_value = basename.getValue(); if (name_value != null && name_value.length() > 0) { // return name_value.substring(0, 1).toUpperCase(); return String.valueOf(Character.toUpperCase(name_value.charAt(0))); } else { return ""; } } else throw new IllegalArgumentException("FirstUpperCaseStringifier: Expected" + " instance of TopicNameIF."); } }