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 */ 018package org.apache.bcel.generic; 019 020import org.apache.bcel.Const; 021 022/** 023 * Denotes basic type such as int. 024 * 025 * @version $Id: BasicType.java 1806200 2017-08-25 16:33:06Z ggregory $ 026 */ 027public final class BasicType extends Type { 028 029 /** 030 * Constructor for basic types such as int, long, `void' 031 * 032 * @param type one of T_INT, T_BOOLEAN, ..., T_VOID 033 * @see Const 034 */ 035 BasicType(final byte type) { 036 super(type, Const.getShortTypeName(type)); 037 if ((type < Const.T_BOOLEAN) || (type > Const.T_VOID)) { 038 throw new ClassGenException("Invalid type: " + type); 039 } 040 } 041 042 043 // @since 6.0 no longer final 044 public static BasicType getType( final byte type ) { 045 switch (type) { 046 case Const.T_VOID: 047 return VOID; 048 case Const.T_BOOLEAN: 049 return BOOLEAN; 050 case Const.T_BYTE: 051 return BYTE; 052 case Const.T_SHORT: 053 return SHORT; 054 case Const.T_CHAR: 055 return CHAR; 056 case Const.T_INT: 057 return INT; 058 case Const.T_LONG: 059 return LONG; 060 case Const.T_DOUBLE: 061 return DOUBLE; 062 case Const.T_FLOAT: 063 return FLOAT; 064 default: 065 throw new ClassGenException("Invalid type: " + type); 066 } 067 } 068 069 070 /** @return a hash code value for the object. 071 */ 072 @Override 073 public int hashCode() { 074 return super.getType(); 075 } 076 077 078 /** @return true if both type objects refer to the same type 079 */ 080 @Override 081 public boolean equals( final Object _type ) { 082 return (_type instanceof BasicType) ? ((BasicType) _type).getType() == this.getType() : false; 083 } 084}