groovy.lang.MetaArrayLengthProperty Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 groovy.lang;
/**
* Represents the length property of an array
*
* @author James Strachan
*/
public class MetaArrayLengthProperty extends MetaProperty {
/**
* Sole constructor setting name to "length" and type to int
*/
public MetaArrayLengthProperty() {
super("length", int.class);
}
/**
* Get this property from the given object.
* @param object an array
* @return the length of the array object
* @throws IllegalArgumentException if object is not an array
*/
public Object getProperty(Object object) {
return java.lang.reflect.Array.getLength(object);
}
/**
* Sets the property on the given object to the new value
*
* @param object on which to set the property
* @param newValue the new value of the property
* @throws RuntimeException if the property could not be set
*/
public void setProperty(Object object, Object newValue) {
throw new ReadOnlyPropertyException("length", object.getClass());
}
}