/*******************************************************************************
* Copyright (c) 2012 Google, Inc.
* 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:
* Google, Inc. - initial API and implementation
*******************************************************************************/
package com.windowtester.runtime.internal.matcher;
import java.beans.IntrospectionException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import com.windowtester.runtime.internal.IMatcher;
import com.windowtester.runtime.internal.util.PropertyUtil;
/**
* A matcher that tests whether a JavaBean-style property on given object satisfies the
* provided matching criteria.
*/
public class PropertyMatcher extends SafeMatcher {
private static final Object[] NO_ARGS = new Object[0];
private final String _propertyName;
private final IMatcher _propertyMatcher;
public PropertyMatcher(String propertyName, IMatcher propertyMatcher) {
_propertyName = propertyName;
_propertyMatcher = propertyMatcher;
}
/* (non-Javadoc)
* @see com.windowtester.runtime.internal.matcher.SafeMatcher#matchesSafely(java.lang.Object)
*/
public boolean matchesSafely(Object toTest) {
try {
Method readMethod = PropertyUtil.getReadMethod(_propertyName, toTest);
return readMethod != null
&& _propertyMatcher.matches(readMethod.invoke(toTest, NO_ARGS));
} catch (IntrospectionException e) {
} catch (IllegalArgumentException e) {
} catch (IllegalAccessException e) {
} catch (InvocationTargetException e) {
}
return false;
}
public static PropertyMatcher hasProperty(String propertyName, IMatcher propMatcher) {
return new PropertyMatcher(propertyName, propMatcher);
}
}