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| 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 | + | |
| 26 | +package 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 | + */ | |
| 34 | +public 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 | +} | |