| /* |
| * Copyright (c) 1998, 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 java.util.Collection; |
| import java.util.Iterator; |
| |
| import com.sun.jdi.Mirror; |
| import com.sun.jdi.VMMismatchException; |
| import com.sun.jdi.VirtualMachine; |
| |
| abstract class MirrorImpl extends Object implements Mirror { |
| |
| protected VirtualMachineImpl vm; |
| |
| MirrorImpl(VirtualMachine aVm) { |
| super(); |
| |
| // Yes, its a bit of a hack. But by doing it this |
| // way, this is the only place we have to change |
| // typing to substitute a new impl. |
| vm = (VirtualMachineImpl)aVm; |
| } |
| |
| public VirtualMachine virtualMachine() { |
| return vm; |
| } |
| |
| public boolean equals(Object obj) { |
| if ((obj != null) && (obj instanceof Mirror)) { |
| Mirror other = (Mirror)obj; |
| return vm.equals(other.virtualMachine()); |
| } else { |
| return false; |
| } |
| } |
| |
| public int hashCode() { |
| return vm.hashCode(); |
| } |
| |
| /** |
| * Throw NullPointerException on null mirror. |
| * Throw VMMismatchException on wrong VM. |
| */ |
| void validateMirror(Mirror mirror) { |
| if (!vm.equals(mirror.virtualMachine())) { |
| throw new VMMismatchException(mirror.toString()); |
| } |
| } |
| |
| /** |
| * Allow null mirror. |
| * Throw VMMismatchException on wrong VM. |
| */ |
| void validateMirrorOrNull(Mirror mirror) { |
| if ((mirror != null) && !vm.equals(mirror.virtualMachine())) { |
| throw new VMMismatchException(mirror.toString()); |
| } |
| } |
| |
| /** |
| * Throw NullPointerException on null mirrors. |
| * Throw VMMismatchException on wrong VM. |
| */ |
| void validateMirrors(Collection<? extends Mirror> mirrors) { |
| Iterator<? extends Mirror> iter = mirrors.iterator(); |
| while (iter.hasNext()) { |
| MirrorImpl mirror = (MirrorImpl)iter.next(); |
| if (!vm.equals(mirror.vm)) { |
| throw new VMMismatchException(mirror.toString()); |
| } |
| } |
| } |
| |
| /** |
| * Allow null mirrors. |
| * Throw VMMismatchException on wrong VM. |
| */ |
| void validateMirrorsOrNulls(Collection<? extends Mirror> mirrors) { |
| Iterator<? extends Mirror> iter = mirrors.iterator(); |
| while (iter.hasNext()) { |
| MirrorImpl mirror = (MirrorImpl)iter.next(); |
| if ((mirror != null) && !vm.equals(mirror.vm)) { |
| throw new VMMismatchException(mirror.toString()); |
| } |
| } |
| } |
| } |