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Java Wrapper for using Chemistry Identifier Resolver (CIR)

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/*
 *  Copyright (C) 2013 Joos Kiener 
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.

 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see .
 */
package org.bitbucket.kienerj.cir.responsehandler;

import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.util.EntityUtils;

/**
 *
 * @author Joos Kiener 
 */
public class OutputStreamResponseHandler extends AbstractResponseHandler {

    @Override
    public OutputStream handleResponse(HttpResponse response)
            throws ClientProtocolException, IOException {

        HttpEntity entity = getHttpEntity(response);

        if (entity != null) {
            byte[] bytes = EntityUtils.toByteArray(entity);
            OutputStream out = new BufferedOutputStream(new ByteArrayOutputStream());
            out.write(bytes);
            return out;
        } else {
            return null;
        }
    }
}