| /* |
| * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.jdi; |
| |
| import com.sun.jdi.ClassLoaderReference; |
| import com.sun.jdi.ModuleReference; |
| import com.sun.jdi.VirtualMachine; |
| |
| class ModuleReferenceImpl extends ObjectReferenceImpl implements ModuleReference { |
| |
| protected ModuleReferenceImpl(VirtualMachine aVm, long aRef) { |
| super(aVm, aRef); |
| } |
| |
| protected String description() { |
| return "ModuleReference " + ref(); |
| } |
| |
| private String name; |
| private ClassLoaderReference classLoader; |
| |
| private boolean cachedName = false; |
| private boolean cachedClassLoader = false; |
| |
| |
| public synchronized String name() { |
| if (cachedName) { |
| return name; |
| } |
| try { |
| name = JDWP.ModuleReference.Name.process(this.vm, this).name; |
| if (name != null && name.length() == 0) { |
| // The JDWP returns empty name for unnamed modules |
| name = null; |
| } |
| cachedName = true; |
| } catch (JDWPException ex) { |
| throw ex.toJDIException(); |
| } |
| return name; |
| } |
| |
| public synchronized ClassLoaderReference classLoader() { |
| if (cachedClassLoader) { |
| return classLoader; |
| } |
| try { |
| classLoader = JDWP.ModuleReference.ClassLoader. |
| process(this.vm, this).classLoader; |
| cachedClassLoader = true; |
| } catch (JDWPException ex) { |
| throw ex.toJDIException(); |
| } |
| return classLoader; |
| } |
| } |