/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc. and/or its affiliates, and individual
* contributors by the @authors tag. See the copyright.txt in the
* distribution for a full listing of individual contributors.
*
* 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.jboss.solder.properties;
import java.lang.reflect.Field;
import java.lang.reflect.Member;
import java.lang.reflect.Method;
/**
* Utility class for working with JavaBean style properties
*
* @author Pete Muir
* @author Shane Bryzak
* @see Property
*/
public class Properties {
private Properties() {
}
/**
* Create a JavaBean style property from the field
*
* @param <V>
* @param field
* @return
*/
public static <V> FieldProperty<V> createProperty(Field field) {
return new FieldPropertyImpl<V>(field);
}
/**
* Create a JavaBean style property from the specified method
*
* @param <V>
* @param method
* @return
* @throws IllegalArgumentException if the method does not match JavaBean conventions
* @see http://www.oracle.com/technetwork/java/javase/documentation/spec-136004.html
*/
public static <V> MethodProperty<V> createProperty(Method method) {
return new MethodPropertyImpl<V>(method);
}
/**
* Create a JavaBean style property from the specified member
*
* @param <V>
* @param member
* @return
* @throws IllegalArgumentException if the method does not match JavaBean conventions
* @see http://www.oracle.com/technetwork/java/javase/documentation/spec-136004.html
*/
public static <V> Property<V> createProperty(Member member) {
if (member instanceof Method) {
return new MethodPropertyImpl<V>(Method.class.cast(member));
} else if (member instanceof Field) {
return new FieldPropertyImpl<V>(Field.class.cast(member));
} else {
throw new IllegalArgumentException("Cannot make a property of " + member + " - it is neither a method or a field");
}
}
/**
* Indicates whether this method is a valid property method.
*/
public static <V> boolean isProperty(Method method) {
try {
new MethodPropertyImpl<V>(method);
return true;
} catch (IllegalArgumentException e) {
return false;
}
}
}