/*
* Copyright (c) 1998, 1999, 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
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*/
package com.sun.tools.jdi;
import com.sun.jdi.*;
import java.util.Collection;
import java.util.Iterator;
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 mirrors) {
Iterator 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 mirrors) {
Iterator iter = mirrors.iterator();
while (iter.hasNext()) {
MirrorImpl mirror = (MirrorImpl)iter.next();
if ((mirror != null) && !vm.equals(mirror.vm)) {
throw new VMMismatchException(mirror.toString());
}
}
}
}