org.aspectj.weaver.tools.PointcutExpression Java Examples

@Test
public void testMultipleAndSubstitutions() {
	Pointcut pc = getPointcut("execution(* *(..)) and args(String) and this(Object)");
	PointcutExpression expr =
		((AspectJExpressionPointcut) pc).getPointcutExpression();
	assertEquals("execution(* *(..)) && args(String) && this(Object)",expr.getPointcutExpression());
}
 

/**
 * Get a new pointcut expression based on a target class's loader rather than the default.
 */
private PointcutExpression getFallbackPointcutExpression(Class<?> targetClass) {
	try {
		ClassLoader classLoader = targetClass.getClassLoader();
		if (classLoader != null && classLoader != this.pointcutClassLoader) {
			return buildPointcutExpression(classLoader);
		}
	}
	catch (Throwable ex) {
		logger.debug("Failed to create fallback PointcutExpression", ex);
	}
	return null;
}
 

/**
 * Build the underlying AspectJ pointcut expression.
 */
private PointcutExpression buildPointcutExpression(ClassLoader classLoader) {
	PointcutParser parser = initializePointcutParser(classLoader);
	PointcutParameter[] pointcutParameters = new PointcutParameter[this.pointcutParameterNames.length];
	for (int i = 0; i < pointcutParameters.length; i++) {
		pointcutParameters[i] = parser.createPointcutParameter(
				this.pointcutParameterNames[i], this.pointcutParameterTypes[i]);
	}
	return parser.parsePointcutExpression(replaceBooleanOperators(getExpression()),
			this.pointcutDeclarationScope, pointcutParameters);
}
 

/**
 * Build the underlying AspectJ pointcut expression.
 */
private PointcutExpression buildPointcutExpression(ClassLoader classLoader) {
	PointcutParser parser = initializePointcutParser(classLoader);
	PointcutParameter[] pointcutParameters = new PointcutParameter[this.pointcutParameterNames.length];
	for (int i = 0; i < pointcutParameters.length; i++) {
		pointcutParameters[i] = parser.createPointcutParameter(
				this.pointcutParameterNames[i], this.pointcutParameterTypes[i]);
	}
	return parser.parsePointcutExpression(replaceBooleanOperators(getExpression()),
			this.pointcutDeclarationScope, pointcutParameters);
}
 

@Override
public boolean match(Caller caller, String pattern) {
	if(! pattern.startsWith("execution")) {
		pattern = "execution(" + pattern + ")";
	}
	
	PointcutExpression pe = cache.get(pattern);
	if(pe == null) {
		PointcutParser pp = PointcutParser.getPointcutParserSupportingAllPrimitivesAndUsingContextClassloaderForResolution();
		pe = pp.parsePointcutExpression(pattern);
		cache.set(pattern, pe);
	}
	ShadowMatch sm = pe.matchesMethodExecution(caller.getTargetMethod());
	return sm.alwaysMatches();
}
 

/**
 * Get a new pointcut expression based on a target class's loader rather than the default.
 */
private PointcutExpression getFallbackPointcutExpression(Class<?> targetClass) {
	try {
		ClassLoader classLoader = targetClass.getClassLoader();
		if (classLoader != null && classLoader != this.pointcutClassLoader) {
			return buildPointcutExpression(classLoader);
		}
	}
	catch (Throwable ex) {
		logger.debug("Failed to create fallback PointcutExpression", ex);
	}
	return null;
}
 

@Test
public void testAndSubstitution() {
	Pointcut pc = getPointcut("execution(* *(..)) and args(String)");
	PointcutExpression expr =
		((AspectJExpressionPointcut) pc).getPointcutExpression();
	assertEquals("execution(* *(..)) && args(String)",expr.getPointcutExpression());
}
 

/**
 * Get a new pointcut expression based on a target class's loader rather than the default.
 */
@Nullable
private PointcutExpression getFallbackPointcutExpression(Class<?> targetClass) {
	try {
		ClassLoader classLoader = targetClass.getClassLoader();
		if (classLoader != null && classLoader != this.pointcutClassLoader) {
			return buildPointcutExpression(classLoader);
		}
	}
	catch (Throwable ex) {
		logger.debug("Failed to create fallback PointcutExpression", ex);
	}
	return null;
}
 

/**
 * Build the underlying AspectJ pointcut expression.
 */
private PointcutExpression buildPointcutExpression(@Nullable ClassLoader classLoader) {
	PointcutParser parser = initializePointcutParser(classLoader);
	PointcutParameter[] pointcutParameters = new PointcutParameter[this.pointcutParameterNames.length];
	for (int i = 0; i < pointcutParameters.length; i++) {
		pointcutParameters[i] = parser.createPointcutParameter(
				this.pointcutParameterNames[i], this.pointcutParameterTypes[i]);
	}
	return parser.parsePointcutExpression(replaceBooleanOperators(resolveExpression()),
			this.pointcutDeclarationScope, pointcutParameters);
}
 

/**
 * Check whether this pointcut is ready to match,
 * lazily building the underlying AspectJ pointcut expression.
 */
private PointcutExpression obtainPointcutExpression() {
	if (getExpression() == null) {
		throw new IllegalStateException("Must set property 'expression' before attempting to match");
	}
	if (this.pointcutExpression == null) {
		this.pointcutClassLoader = determinePointcutClassLoader();
		this.pointcutExpression = buildPointcutExpression(this.pointcutClassLoader);
	}
	return this.pointcutExpression;
}
 

/**
 * Get a new pointcut expression based on a target class's loader rather than the default.
 */
@Nullable
private PointcutExpression getFallbackPointcutExpression(Class<?> targetClass) {
	try {
		ClassLoader classLoader = targetClass.getClassLoader();
		if (classLoader != null && classLoader != this.pointcutClassLoader) {
			return buildPointcutExpression(classLoader);
		}
	}
	catch (Throwable ex) {
		logger.debug("Failed to create fallback PointcutExpression", ex);
	}
	return null;
}
 

/**
 * Check whether this pointcut is ready to match,
 * lazily building the underlying AspectJ pointcut expression.
 */
private PointcutExpression obtainPointcutExpression() {
	if (getExpression() == null) {
		throw new IllegalStateException("Must set property 'expression' before attempting to match");
	}
	if (this.pointcutExpression == null) {
		this.pointcutClassLoader = determinePointcutClassLoader();
		this.pointcutExpression = buildPointcutExpression(this.pointcutClassLoader);
	}
	return this.pointcutExpression;
}
 

/**
 * Build the underlying AspectJ pointcut expression.
 */
private PointcutExpression buildPointcutExpression(@Nullable ClassLoader classLoader) {
	PointcutParser parser = initializePointcutParser(classLoader);
	PointcutParameter[] pointcutParameters = new PointcutParameter[this.pointcutParameterNames.length];
	for (int i = 0; i < pointcutParameters.length; i++) {
		pointcutParameters[i] = parser.createPointcutParameter(
				this.pointcutParameterNames[i], this.pointcutParameterTypes[i]);
	}
	return parser.parsePointcutExpression(replaceBooleanOperators(resolveExpression()),
			this.pointcutDeclarationScope, pointcutParameters);
}
 

private PointcutExpression buildPointcutExpression() {
	return pointcutParser.parsePointcutExpression(expression);
}
 

private PointcutExpression buildPointcutExpression() {
	return pointcutParser.parsePointcutExpression(expression);
}
 

private PointcutExpression buildPointcutExpression() {
	return pointcutParser.parsePointcutExpression(expression);
}
 

/**
 * Return the underlying AspectJ pointcut expression.
 */
public PointcutExpression getPointcutExpression() {
	checkReadyToMatch();
	return this.pointcutExpression;
}
 

/**
 * Return the underlying AspectJ pointcut expression.
 */
public PointcutExpression getPointcutExpression() {
	checkReadyToMatch();
	return this.pointcutExpression;
}
 

@Override
public PointcutExpression get(String key) {
	return cacheMap.get(key);
}
 

@Override
public void set(String key, PointcutExpression value) {
	cacheMap.putIfAbsent(key, value);
}
 

@Test
public void testMultipleAndSubstitutions() {
	Pointcut pc = getPointcut("execution(* *(..)) and args(String) and this(Object)");
	PointcutExpression expr = ((AspectJExpressionPointcut) pc).getPointcutExpression();
	assertEquals("execution(* *(..)) && args(String) && this(Object)",expr.getPointcutExpression());
}
 

@Test
public void testAndSubstitution() {
	Pointcut pc = getPointcut("execution(* *(..)) and args(String)");
	PointcutExpression expr = ((AspectJExpressionPointcut) pc).getPointcutExpression();
	assertEquals("execution(* *(..)) && args(String)",expr.getPointcutExpression());
}
 

/**
 * Return the underlying AspectJ pointcut expression.
 */
public PointcutExpression getPointcutExpression() {
	return obtainPointcutExpression();
}
 

@Test
public void testMultipleAndSubstitutions() {
	Pointcut pc = getPointcut("execution(* *(..)) and args(String) and this(Object)");
	PointcutExpression expr = ((AspectJExpressionPointcut) pc).getPointcutExpression();
	assertEquals("execution(* *(..)) && args(String) && this(Object)",expr.getPointcutExpression());
}
 

@Test
public void testAndSubstitution() {
	Pointcut pc = getPointcut("execution(* *(..)) and args(String)");
	PointcutExpression expr = ((AspectJExpressionPointcut) pc).getPointcutExpression();
	assertEquals("execution(* *(..)) && args(String)",expr.getPointcutExpression());
}
 

/**
 * Return the underlying AspectJ pointcut expression.
 */
public PointcutExpression getPointcutExpression() {
	return obtainPointcutExpression();
}