Showing the changes to java/pkg/com/sun/tools/jdi/ClassLoaderReferenceImpl.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 1998, 2003, 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 com.sun.tools.jdi; | |
| 27 | + | |
| 28 | +import com.sun.jdi.*; | |
| 29 | +import java.util.*; | |
| 30 | + | |
| 31 | +public class ClassLoaderReferenceImpl extends ObjectReferenceImpl | |
| 32 | + implements ClassLoaderReference, VMListener { | |
| 33 | + | |
| 34 | + // This is cached only while the VM is suspended | |
| 35 | + private static class Cache extends ObjectReferenceImpl.Cache { | |
| 36 | + List<ReferenceType> visibleClasses = null; | |
| 37 | + } | |
| 38 | + | |
| 39 | + protected ObjectReferenceImpl.Cache newCache() { | |
| 40 | + return new Cache(); | |
| 41 | + } | |
| 42 | + | |
| 43 | + ClassLoaderReferenceImpl(VirtualMachine aVm, long ref) { | |
| 44 | + super(aVm, ref); | |
| 45 | + vm.state().addListener(this); | |
| 46 | + } | |
| 47 | + | |
| 48 | + protected String description() { | |
| 49 | + return "ClassLoaderReference " + uniqueID(); | |
| 50 | + } | |
| 51 | + | |
| 52 | + public List<ReferenceType> definedClasses() { | |
| 53 | + ArrayList<ReferenceType> definedClasses = new ArrayList<ReferenceType>(); | |
| 54 | + for (ReferenceType type : vm.allClasses()) { | |
| 55 | + if (type.isPrepared() && | |
| 56 | + equals(type.classLoader())) { | |
| 57 | + definedClasses.add(type); | |
| 58 | + } | |
| 59 | + } | |
| 60 | + return definedClasses; | |
| 61 | + } | |
| 62 | + | |
| 63 | + public List<ReferenceType> visibleClasses() { | |
| 64 | + List<ReferenceType> classes = null; | |
| 65 | + try { | |
| 66 | + Cache local = (Cache)getCache(); | |
| 67 | + | |
| 68 | + if (local != null) { | |
| 69 | + classes = local.visibleClasses; | |
| 70 | + } | |
| 71 | + if (classes == null) { | |
| 72 | + JDWP.ClassLoaderReference.VisibleClasses.ClassInfo[] | |
| 73 | + jdwpClasses = JDWP.ClassLoaderReference.VisibleClasses. | |
| 74 | + process(vm, this).classes; | |
| 75 | + classes = new ArrayList<ReferenceType>(jdwpClasses.length); | |
| 76 | + for (int i = 0; i < jdwpClasses.length; ++i) { | |
| 77 | + classes.add(vm.referenceType(jdwpClasses[i].typeID, | |
| 78 | + jdwpClasses[i].refTypeTag)); | |
| 79 | + } | |
| 80 | + classes = Collections.unmodifiableList(classes); | |
| 81 | + if (local != null) { | |
| 82 | + local.visibleClasses = classes; | |
| 83 | + if ((vm.traceFlags & vm.TRACE_OBJREFS) != 0) { | |
| 84 | + vm.printTrace(description() + | |
| 85 | + " temporarily caching visible classes (count = " + | |
| 86 | + classes.size() + ")"); | |
| 87 | + } | |
| 88 | + } | |
| 89 | + } | |
| 90 | + } catch (JDWPException exc) { | |
| 91 | + throw exc.toJDIException(); | |
| 92 | + } | |
| 93 | + return classes; | |
| 94 | + } | |
| 95 | + | |
| 96 | + Type findType(String signature) throws ClassNotLoadedException { | |
| 97 | + List<ReferenceType> types = visibleClasses(); | |
| 98 | + Iterator iter = types.iterator(); | |
| 99 | + while (iter.hasNext()) { | |
| 100 | + ReferenceType type = (ReferenceType)iter.next(); | |
| 101 | + if (type.signature().equals(signature)) { | |
| 102 | + return type; | |
| 103 | + } | |
| 104 | + } | |
| 105 | + JNITypeParser parser = new JNITypeParser(signature); | |
| 106 | + throw new ClassNotLoadedException(parser.typeName(), | |
| 107 | + "Class " + parser.typeName() + " not loaded"); | |
| 108 | + } | |
| 109 | + | |
| 110 | + byte typeValueKey() { | |
| 111 | + return JDWP.Tag.CLASS_LOADER; | |
| 112 | + } | |
| 113 | +} | |