/*
 * 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.ace.deployment.provider.repositorybased;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.concurrent.Semaphore;
import java.util.zip.GZIPOutputStream;

import org.apache.ace.range.SortedRangeSet;
import org.apache.ace.repository.Repository;

public class MockDeploymentRepository implements Repository {

    private String m_range;
    private String m_xmlRepository;
    private Semaphore m_semaphore;

    public MockDeploymentRepository(String range, String xmlRepository, Semaphore semaphore) {
        m_range = range;
        m_xmlRepository = xmlRepository;
        m_semaphore = semaphore;
    }

    /* (non-Javadoc)
     * Magic number version 1, generates an IOException, else return
     * @see org.apache.ace.repository.Repository#checkout(long)
     */
    public InputStream checkout(long version) throws IOException, IllegalArgumentException {
        if (m_semaphore != null) {
            m_semaphore.release();
            try {
                Thread.sleep(1000);
            }
            catch (InterruptedException e) {
                throw new IOException(e);
            }
        }
        if (version == 1) {
            //throw an IOException!
            throw new IOException("Checkout exception.");
        }
        else {
        	ByteArrayOutputStream compressedBytes = new ByteArrayOutputStream();
			GZIPOutputStream zip = new GZIPOutputStream(compressedBytes);
        	byte[] bytes = m_xmlRepository.getBytes();
			zip.write(bytes, 0, bytes.length);
			zip.finish();
            return new ByteArrayInputStream(compressedBytes.toByteArray());
        }
    }

    public boolean commit(InputStream data, long fromVersion) throws IOException, IllegalArgumentException {
        if (m_semaphore != null) {
            m_semaphore.release();
            try {
                Thread.sleep(1000);
            }
            catch (InterruptedException e) {
                throw new IOException(e);
            }
        }
        // Not used in test
        return false;
    }

    public SortedRangeSet getRange() throws IOException {
        if (m_semaphore != null) {
            m_semaphore.release();
            try {
                Thread.sleep(1000);
            }
            catch (InterruptedException e) {
                throw new IOException(e);
            }
        }
        return new SortedRangeSet(m_range);
    }
}