J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any 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 | } |