/*
 * Copyright 2008 National Library of Sweden 
 * 
 * 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 se.kb.oai.ore;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;

/**
 * An aggregated resource is a resource, that together with other resources, 
 * create an {@link Aggregation}. This class has the actual content of a 
 * resource and also metadata about it.
 * 
 * @author Oskar Grenholm, National Library of Sweden
 */
public class AggregatedResource extends AggregateBase {
	
	public AggregatedResource(String id) throws URISyntaxException {
		this(new URI(id));
	}
	
	public AggregatedResource(URI id) {
		super(id);
	}
		
	public InputStream getContent() throws IOException {
		return id.toURL().openStream();
	}
	public String getContentAsString() throws IOException {
		InputStream in = getContent();
		ByteArrayOutputStream out = new ByteArrayOutputStream();
		byte[] bytes = new byte[4 * 1024];
		int read = in.read(bytes);
		while (read != -1) {
			out.write(bytes, 0, read);
			read = in.read(bytes);
		}
		in.close();
		return new String(out.toByteArray());
	}	
}