/* * 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. */ package org.apache.jena.sparql.util; import java.util.HashMap ; import java.util.Iterator ; import java.util.Map ; /** Maps string to string for use with convenience names. */ public class TranslationTable<X> { Map<String, X> map = new HashMap<>() ; boolean ignoreCase = false ; /** Create a translation table which respects case */ public TranslationTable() { this(false) ; } /** Create a translation table - say whether to ignore case or not */ public TranslationTable(boolean ignoreCase) { this.ignoreCase = ignoreCase ; } public X lookup(String name) { if ( name == null ) return null ; for ( Map.Entry<String, X> entry : map.entrySet() ) { String k = entry.getKey(); if ( ignoreCase ) { if ( k.equalsIgnoreCase( name ) ) { return entry.getValue(); } } else { if ( k.equals( name ) ) { return entry.getValue(); } } } return null ; } public void put(String k, X v) { map.put(k, v) ; } public Iterator<String> keys() { return map.keySet().iterator() ; } public Iterator<X> values() { return map.values().iterator() ; } }