net.sf.extcos.internal.ExtendingResourceMatcher Maven / Gradle / Ivy
package net.sf.extcos.internal;
import java.lang.reflect.Modifier;
import net.sf.extcos.exception.ConcurrentInspectionException;
import net.sf.extcos.filter.ResourceMatcher;
import net.sf.extcos.resource.Resource;
import net.sf.extcos.util.Assert;
public class ExtendingResourceMatcher implements ResourceMatcher {
private final Class clazz;
public ExtendingResourceMatcher(final Class clazz) {
Assert.notNull(clazz, IllegalArgumentException.class);
Assert.isFalse(clazz.isInterface(), IllegalArgumentException.class);
Assert.isFalse(Modifier.isFinal(clazz.getModifiers()),
IllegalArgumentException.class);
this.clazz = clazz;
}
/*
* (non-Javadoc)
* @see org.jcs.filter.ResourceMatcher#matches(org.jcs.resource.Resource)
*/
@Override
public boolean matches(final Resource resource) throws ConcurrentInspectionException {
Assert.notNull(resource, IllegalArgumentException.class);
return resource.isSubclassOf(clazz);
}
/*
* (non-Javadoc)
* @see org.jcs.filter.ResourceMatcher#isMatcherFor(java.lang.Object)
*/
@Override
public boolean isMatcherFor(final Object obj) {
return clazz.equals(obj);
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + (clazz == null ? 0 : clazz.hashCode());
return result;
}
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
ExtendingResourceMatcher other = (ExtendingResourceMatcher) obj;
if (clazz == null) {
if (other.clazz != null) {
return false;
}
} else if (!clazz.equals(other.clazz)) {
return false;
}
return true;
}
}