org.aspectj.weaver.PerTypeWithinTargetTypeMunger Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of aspectjweaver Show documentation
Show all versions of aspectjweaver Show documentation
The AspectJ weaver introduces advices to java classes
/* *******************************************************************
* Copyright (c) 2005 IBM, Contributors.
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v1.0
* which accompanies this distribution and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Andy Clement initial implementation
* ******************************************************************/
package org.aspectj.weaver;
import java.io.IOException;
import org.aspectj.util.FuzzyBoolean;
import org.aspectj.weaver.patterns.PerTypeWithin;
import org.aspectj.weaver.patterns.Pointcut;
// PTWIMPL Target type munger adds the localAspectOf() method
public class PerTypeWithinTargetTypeMunger extends ResolvedTypeMunger {
private UnresolvedType aspectType;
private PerTypeWithin testPointcut;
public PerTypeWithinTargetTypeMunger(UnresolvedType aspectType, PerTypeWithin testPointcut) {
super(PerTypeWithinInterface, null);
this.aspectType = aspectType;
this.testPointcut = testPointcut;
}
@Override
public boolean equals(Object other) {
if (!(other instanceof PerTypeWithinTargetTypeMunger)) {
return false;
}
PerTypeWithinTargetTypeMunger o = (PerTypeWithinTargetTypeMunger) other;
return ((o.testPointcut == null) ? (testPointcut == null) : testPointcut.equals(o.testPointcut))
&& ((o.aspectType == null) ? (aspectType == null) : aspectType.equals(o.aspectType));
}
private volatile int hashCode = 0;
@Override
public int hashCode() {
if (hashCode == 0) {
int result = 17;
result = 37 * result + ((testPointcut == null) ? 0 : testPointcut.hashCode());
result = 37 * result + ((aspectType == null) ? 0 : aspectType.hashCode());
hashCode = result;
}
return hashCode;
}
@Override
public void write(CompressingDataOutputStream s) throws IOException {
throw new RuntimeException("shouldn't be serialized");
}
public UnresolvedType getAspectType() {
return aspectType;
}
public Pointcut getTestPointcut() {
return testPointcut;
}
// This is a lexical within() so if you say PerTypeWithin(Test) and matchType is an
// inner type (e.g. Test$NestedType) then it should match successfully
// Does not match if the target is an interface
@Override
public boolean matches(ResolvedType matchType, ResolvedType aspectType) {
return isWithinType(matchType).alwaysTrue() && !matchType.isInterface() && (matchType.canBeSeenBy(aspectType) || aspectType.isPrivilegedAspect());
}
private FuzzyBoolean isWithinType(ResolvedType type) {
while (type != null) {
if (testPointcut.getTypePattern().matchesStatically(type)) {
return FuzzyBoolean.YES;
}
type = type.getDeclaringType();
}
return FuzzyBoolean.NO;
}
}