1 /** 2 * Copyright (C) 2006 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.inject.name; 18 19 import static com.google.common.base.Preconditions.checkNotNull; 20 21 import java.io.Serializable; 22 import java.lang.annotation.Annotation; 23 24 class NamedImpl implements Named, Serializable { 25 26 private final String value; 27 28 public NamedImpl(String value) { 29 this.value = checkNotNull(value, "name"); 30 } 31 32 public String value() { 33 return this.value; 34 } 35 36 public int hashCode() { 37 // This is specified in java.lang.Annotation. 38 return (127 * "value".hashCode()) ^ value.hashCode(); 39 } 40 41 public boolean equals(Object o) { 42 if (!(o instanceof Named)) { 43 return false; 44 } 45 46 Named other = (Named) o; 47 return value.equals(other.value()); 48 } 49 50 public String toString() { 51 return "@" + Named.class.getName() + "(value=" + value + ")"; 52 } 53 54 public Class<? extends Annotation> annotationType() { 55 return Named.class; 56 } 57 58 private static final long serialVersionUID = 0; 59 } 60
