001/**************************************************************** 002 * Licensed to the Apache Software Foundation (ASF) under one * 003 * or more contributor license agreements. See the NOTICE file * 004 * distributed with this work for additional information * 005 * regarding copyright ownership. The ASF licenses this file * 006 * to you under the Apache License, Version 2.0 (the * 007 * "License"); you may not use this file except in compliance * 008 * with the License. You may obtain a copy of the License at * 009 * * 010 * http://www.apache.org/licenses/LICENSE-2.0 * 011 * * 012 * Unless required by applicable law or agreed to in writing, * 013 * software distributed under the License is distributed on an * 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 015 * KIND, either express or implied. See the License for the * 016 * specific language governing permissions and limitations * 017 * under the License. * 018 ****************************************************************/ 019 020package org.apache.james.mime4j.stream; 021 022import org.apache.james.mime4j.util.LangUtils; 023 024/** 025 * A name / value tuple 026 */ 027public final class NameValuePair { 028 029 private final String name; 030 private final String value; 031 032 public NameValuePair(final String name, final String value) { 033 super(); 034 if (name == null) { 035 throw new IllegalArgumentException("Name may not be null"); 036 } 037 this.name = name; 038 this.value = value; 039 } 040 041 public String getName() { 042 return this.name; 043 } 044 045 public String getValue() { 046 return this.value; 047 } 048 049 public String toString() { 050 if (this.value == null) { 051 return name; 052 } else { 053 StringBuilder buffer = new StringBuilder(); 054 buffer.append(this.name); 055 buffer.append("="); 056 buffer.append("\""); 057 buffer.append(this.value); 058 buffer.append("\""); 059 return buffer.toString(); 060 } 061 } 062 063 public boolean equals(final Object object) { 064 if (this == object) return true; 065 if (object instanceof NameValuePair) { 066 NameValuePair that = (NameValuePair) object; 067 return this.name.equals(that.name) 068 && LangUtils.equals(this.value, that.value); 069 } else { 070 return false; 071 } 072 } 073 074 public int hashCode() { 075 int hash = LangUtils.HASH_SEED; 076 hash = LangUtils.hashCode(hash, this.name); 077 hash = LangUtils.hashCode(hash, this.value); 078 return hash; 079 } 080 081}