org.picketlink.common.properties.query.NamedPropertyCriteria Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source
*
* Copyright 2013 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.picketlink.common.properties.query;
import java.beans.Introspector;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
/**
* A criteria that matches a property based on name
*
* @see PropertyCriteria
*/
public class NamedPropertyCriteria implements PropertyCriteria {
private final String[] propertyNames;
public NamedPropertyCriteria(String... propertyNames) {
this.propertyNames = propertyNames;
}
public boolean fieldMatches(Field f) {
for (String propertyName : propertyNames) {
if (propertyName.equals(f.getName())) {
return true;
}
}
return false;
}
public boolean methodMatches(Method m) {
String[] validPrefix = {"get", "is"};
for (String propertyName : propertyNames) {
for (String prefix : validPrefix) {
if (m.getName().startsWith(prefix) &&
Introspector.decapitalize(m.getName().substring(prefix.length())).equals(propertyName)) {
return true;
}
}
}
return false;
}
}