001/* 002 * Copyright 2002-2019 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.expression.spel.ast; 018 019/** 020 * Captures primitive types and their corresponding class objects, plus one special entry 021 * that represents all reference (non-primitive) types. 022 * 023 * @author Andy Clement 024 */ 025public enum TypeCode { 026 027 /** 028 * An {@link Object}. 029 */ 030 OBJECT(Object.class), 031 032 /** 033 * A {@code boolean}. 034 */ 035 BOOLEAN(Boolean.TYPE), 036 037 /** 038 * A {@code byte}. 039 */ 040 BYTE(Byte.TYPE), 041 042 /** 043 * A {@code char}. 044 */ 045 CHAR(Character.TYPE), 046 047 /** 048 * A {@code double}. 049 */ 050 DOUBLE(Double.TYPE), 051 052 /** 053 * A {@code float}. 054 */ 055 FLOAT(Float.TYPE), 056 057 /** 058 * An {@code int}. 059 */ 060 INT(Integer.TYPE), 061 062 /** 063 * A {@code long}. 064 */ 065 LONG(Long.TYPE), 066 067 /** 068 * An {@link Object}. 069 */ 070 SHORT(Short.TYPE); 071 072 073 private Class<?> type; 074 075 076 TypeCode(Class<?> type) { 077 this.type = type; 078 } 079 080 081 public Class<?> getType() { 082 return this.type; 083 } 084 085 086 public static TypeCode forName(String name) { 087 TypeCode[] tcs = values(); 088 for (int i = 1; i < tcs.length; i++) { 089 if (tcs[i].name().equalsIgnoreCase(name)) { 090 return tcs[i]; 091 } 092 } 093 return OBJECT; 094 } 095 096 public static TypeCode forClass(Class<?> clazz) { 097 TypeCode[] allValues = TypeCode.values(); 098 for (TypeCode typeCode : allValues) { 099 if (clazz == typeCode.getType()) { 100 return typeCode; 101 } 102 } 103 return OBJECT; 104 } 105 106}