1/* 2 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package sun.jvmstat.perfdata.monitor.v2_0; 27 28/** 29 * A typesafe enumeration for describing standard Java type codes. 30 * 31 * @author Brian Doherty 32 * @since 1.5 33 */ 34public class TypeCode { 35 36 private final String name; 37 private final char value; 38 39 public static final TypeCode BOOLEAN = new TypeCode("boolean", 'Z'); 40 public static final TypeCode CHAR = new TypeCode("char", 'C'); 41 public static final TypeCode FLOAT = new TypeCode("float", 'F'); 42 public static final TypeCode DOUBLE = new TypeCode("double", 'D'); 43 public static final TypeCode BYTE = new TypeCode("byte", 'B'); 44 public static final TypeCode SHORT = new TypeCode("short", 'S'); 45 public static final TypeCode INT = new TypeCode("int", 'I'); 46 public static final TypeCode LONG = new TypeCode("long", 'J'); 47 public static final TypeCode OBJECT = new TypeCode("object", 'L'); 48 public static final TypeCode ARRAY = new TypeCode("array", '['); 49 public static final TypeCode VOID = new TypeCode("void", 'V'); 50 51 private static TypeCode basicTypes[] = { 52 LONG, BYTE, BOOLEAN, CHAR, FLOAT, DOUBLE, 53 SHORT, INT, OBJECT, ARRAY, VOID 54 }; 55 56 /** 57 * Convert enumeration value to a String. 58 * 59 * @return String - the string representation for the enumeration. 60 */ 61 public String toString() { 62 return name; 63 } 64 65 /** 66 * Convert enumeration to its character representation. 67 * 68 * @return int - the integer representation for the enumeration. 69 */ 70 public int toChar() { 71 return value; 72 } 73 74 /** 75 * Map a character value to its corresponding TypeCode object. 76 * 77 * @param c an character representing a Java TypeCode 78 * @return TypeCode - The TypeCode enumeration object for the given 79 * character. 80 * @throws IllegalArgumentException Thrown if <code>c</code> is not 81 * a valid Java TypeCode. 82 */ 83 public static TypeCode toTypeCode(char c) { 84 for (int j = 0; j < basicTypes.length; j++) { 85 if (basicTypes[j].value == c) { 86 return (basicTypes[j]); 87 } 88 } 89 throw new IllegalArgumentException(); 90 } 91 92 /** 93 * Map a character value to its corresponding TypeCode object. 94 * 95 * @param b a byte representing a Java TypeCode. This value is 96 * converted into a char and used to find the corresponding 97 * TypeCode. 98 * @return TypeCode - The TypeCode enumeration object for the given byte. 99 * @throws IllegalArgumentException Thrown if <code>v</code> is not 100 * a valid Java TypeCode. 101 */ 102 public static TypeCode toTypeCode(byte b) { 103 return toTypeCode((char)b); 104 } 105 106 private TypeCode(String name, char value) { 107 this.name = name; 108 this.value = value; 109 } 110} 111