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.v1_0; |
| 27 | |
| 28 | /** |
| 29 | * A typesafe enumeration for describing Java basic types. |
| 30 | * |
| 31 | * <p> The enumeration values for this typesafe enumeration must be |
| 32 | * kept in synchronization with the BasicType enum in the |
| 33 | * globalsDefinitions.hpp file in the HotSpot source base.</p> |
| 34 | * |
| 35 | * @author Brian Doherty |
| 36 | * @since 1.5 |
| 37 | */ |
| 38 | public class BasicType { |
| 39 | |
| 40 | private final String name; |
| 41 | private final int value; |
| 42 | |
| 43 | public static final BasicType BOOLEAN = new BasicType("boolean", 4); |
| 44 | public static final BasicType CHAR = new BasicType("char", 5); |
| 45 | public static final BasicType FLOAT = new BasicType("float", 6); |
| 46 | public static final BasicType DOUBLE = new BasicType("double", 7); |
| 47 | public static final BasicType BYTE = new BasicType("byte", 8); |
| 48 | public static final BasicType SHORT = new BasicType("short", 9); |
| 49 | public static final BasicType INT = new BasicType("int", 10); |
| 50 | public static final BasicType LONG = new BasicType("long", 11); |
| 51 | public static final BasicType OBJECT = new BasicType("object", 12); |
| 52 | public static final BasicType ARRAY = new BasicType("array", 13); |
| 53 | public static final BasicType VOID = new BasicType("void", 14); |
| 54 | public static final BasicType ADDRESS = new BasicType("address", 15); |
| 55 | public static final BasicType ILLEGAL = new BasicType("illegal", 99); |
| 56 | |
| 57 | private static BasicType basicTypes[] = { |
| 58 | BOOLEAN, CHAR, FLOAT, DOUBLE, BYTE, SHORT, INT, LONG, OBJECT, |
| 59 | ARRAY, VOID, ADDRESS, ILLEGAL |
| 60 | }; |
| 61 | |
| 62 | /** |
| 63 | * Convert enumeration value to a String. |
| 64 | * |
| 65 | * @return String - the string representation for the enumeration. |
| 66 | */ |
| 67 | public String toString() { |
| 68 | return name; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Convert enumeration to an integer value. |
| 73 | * |
| 74 | * @return int - the integer representation for the enumeration. |
| 75 | */ |
| 76 | public int intValue() { |
| 77 | return value; |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Map an integer value to its corresponding BasicType object. |
| 82 | * |
| 83 | * @param i an integer representation of a BasicType |
| 84 | * @return BasicType - The BasicType enumeration object matching |
| 85 | * the value of <code>i</code> |
| 86 | */ |
| 87 | public static BasicType toBasicType(int i) { |
| 88 | for (int j = 0; j < basicTypes.length; j++) { |
| 89 | if (basicTypes[j].intValue() == j) { |
| 90 | return (basicTypes[j]); |
| 91 | } |
| 92 | } |
| 93 | return ILLEGAL; |
| 94 | } |
| 95 | |
| 96 | private BasicType(String name, int value) { |
| 97 | this.name = name; |
| 98 | this.value = value; |
| 99 | } |
| 100 | } |