J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1999-2003 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 com.sun.tools.example.debug.bdi; |
| 27 | |
| 28 | import com.sun.jdi.*; |
| 29 | import java.util.StringTokenizer; |
| 30 | |
| 31 | class PatternReferenceTypeSpec implements ReferenceTypeSpec { |
| 32 | final boolean isWild; |
| 33 | final String classId; |
| 34 | |
| 35 | PatternReferenceTypeSpec(String classId) |
| 36 | // throws ClassNotFoundException |
| 37 | { |
| 38 | // checkClassName(classId); |
| 39 | isWild = classId.startsWith("*."); |
| 40 | if (isWild) { |
| 41 | this.classId = classId.substring(1); |
| 42 | } else { |
| 43 | this.classId = classId; |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * Does the specified ReferenceType match this spec. |
| 49 | */ |
| 50 | public boolean matches(ReferenceType refType) { |
| 51 | if (isWild) { |
| 52 | return refType.name().endsWith(classId); |
| 53 | } else { |
| 54 | return refType.name().equals(classId); |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | public int hashCode() { |
| 59 | return classId.hashCode(); |
| 60 | } |
| 61 | |
| 62 | public boolean equals(Object obj) { |
| 63 | if (obj instanceof PatternReferenceTypeSpec) { |
| 64 | PatternReferenceTypeSpec spec = (PatternReferenceTypeSpec)obj; |
| 65 | |
| 66 | return classId.equals(spec.classId) && (isWild == spec.isWild); |
| 67 | } else { |
| 68 | return false; |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | private void checkClassName(String className) throws ClassNotFoundException { |
| 73 | // Do stricter checking of class name validity on deferred |
| 74 | // because if the name is invalid, it will |
| 75 | // never match a future loaded class, and we'll be silent |
| 76 | // about it. |
| 77 | StringTokenizer tokenizer = new StringTokenizer(className, "."); |
| 78 | boolean first = true; |
| 79 | while (tokenizer.hasMoreTokens()) { |
| 80 | String token = tokenizer.nextToken(); |
| 81 | // Each dot-separated piece must be a valid identifier |
| 82 | // and the first token can also be "*". (Note that |
| 83 | // numeric class ids are not permitted. They must |
| 84 | // match a loaded class.) |
| 85 | if (!Utils.isJavaIdentifier(token) && !(first && token.equals("*"))) { |
| 86 | throw new ClassNotFoundException(); |
| 87 | } |
| 88 | first = false; |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | public String toString() { |
| 93 | return isWild? "*" + classId : classId; |
| 94 | } |
| 95 | } |