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 */ 019package org.apache.commons.weaver.privilizer; 020 021import org.apache.commons.lang3.ObjectUtils; 022import org.apache.commons.lang3.StringUtils; 023import org.apache.commons.lang3.Validate; 024import org.objectweb.asm.Type; 025 026/** 027 * Represents a Java field. 028 */ 029public class Field { 030 /** 031 * Access modifier. 032 */ 033 public final int access; 034 035 /** 036 * Field name. 037 */ 038 public final String name; 039 040 /** 041 * Field type. 042 */ 043 public final Type type; 044 045 /** 046 * Create a new {@link Field}. 047 * @param access modifier 048 * @param name of field 049 * @param type of field 050 */ 051 public Field(final int access, final String name, final Type type) { 052 super(); 053 this.access = access; 054 this.name = Validate.notNull(name); 055 this.type = Validate.notNull(type); 056 } 057 058 /** 059 * Considers name and type. 060 * @param obj to check for equality 061 * @return whether equal 062 */ 063 @SuppressWarnings("deprecation") 064 @Override 065 public boolean equals(final Object obj) { 066 if (obj == this) { 067 return true; 068 } 069 if (!(obj instanceof Field)) { 070 return false; 071 } 072 final Field other = (Field) obj; 073 return StringUtils.equals(other.name, name) && ObjectUtils.equals(other.type, type); 074 } 075 076 /** 077 * Considers name and type. 078 * @return hashCode 079 */ 080 @Override 081 public int hashCode() { 082 int result = 57 << 2; 083 result |= name.hashCode(); 084 result <<= 4; 085 result |= type.hashCode(); 086 return result; 087 } 088}