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 | } | ||