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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 org.apache.xbean.classloader;

import java.net.URL;

/**
 * Abstract base class for URL backed implementations of {@link ResourceLocation}.
 * 
 * @author Dain Sundstrom
 */
public abstract class AbstractUrlResourceLocation implements ResourceLocation {

	private final URL codeSource;

	public AbstractUrlResourceLocation(URL codeSource) {
		if (codeSource == null) {
			throw new IllegalArgumentException("Illegal null codeSource specified for AbstractUrlResourceLocation");
		}
		this.codeSource = codeSource;
	}

	public final URL getCodeSource() {
		return codeSource;
	}

	public void close() {
	}

	public final boolean equals(Object o) {
		if (this == o) {
			return true;
		}
		if (o == null || getClass() != o.getClass()) {
			return false;
		}
		AbstractUrlResourceLocation other = (AbstractUrlResourceLocation) o;
		return codeSource.equals(other.codeSource);
	}

	public final int hashCode() {
		return codeSource.hashCode();
	}

	public final String toString() {
		return "[" + getClass().getName() + ": " + codeSource + "]";
	}
}




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