/*
 *  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;

import java.lang.reflect.Array;
import java.lang.reflect.Modifier;

/**
 * Represents the length property of an array.
 */
public class MetaArrayLengthProperty extends MetaProperty {

    /**
     * Creates the synthetic {@code length} property exposed for Java arrays.
     */
    public MetaArrayLengthProperty() {
        super("length", int.class);
    }

    /** {@inheritDoc} */
    @Override
    public int getModifiers() {
        return Modifier.FINAL | Modifier.PUBLIC;
    }

    /** {@inheritDoc} */
    @Override
    public Object getProperty(final Object object) {
        return Array.getLength(object);
    }

    /** {@inheritDoc} */
    @Override
    public void setProperty(final Object object, final Object newValue) {
        throw new ReadOnlyPropertyException("length", object.getClass());
    }
}
