001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.xbean.kernel; 018 019 /** 020 * A simple service name containing a single String. 021 * 022 * @author Dain Sundstrom 023 * @version $Id$ 024 * @since 2.0 025 */ 026 public class StringServiceName implements ServiceName { 027 /** 028 * The strang name of the service. 029 */ 030 private final String name; 031 032 /** 033 * Create a StringServiceName wrapping specified name. 034 * 035 * @param name the name of the service 036 */ 037 public StringServiceName(String name) { 038 if (name == null) throw new NullPointerException("name is null"); 039 if (name.length() == 0) throw new IllegalArgumentException("name must be atleast one character long"); 040 this.name = name; 041 } 042 043 public int hashCode() { 044 return name.hashCode(); 045 } 046 047 public boolean equals(Object obj) { 048 if (obj instanceof StringServiceName) { 049 StringServiceName stringServiceName = (StringServiceName) obj; 050 return name.equals(stringServiceName.name); 051 } 052 return false; 053 } 054 055 public String toString() { 056 return name; 057 } 058 }