ZipOutput.java

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
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 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at https://github.com/gunterze/dcm4che.
 *
 * The Initial Developer of the Original Code is
 * Agfa Healthcare.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 * See @authors listed below
 *
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 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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package org.dcm4chee.archive.wado;

import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.StreamingOutput;

/**
 * @author Gunter Zeilinger <gunterze@gmail.com>
 *
 */
public class ZipOutput implements StreamingOutput {

    private final ArrayList<StreamingOutput> entries =
            new  ArrayList<StreamingOutput>();

    @Override
    public void write(OutputStream out) throws IOException,
            WebApplicationException {
        ZipOutputStream zout = new ZipOutputStream(out);
        int count = 0;
        for (StreamingOutput entry : entries) {
            zout.putNextEntry(new ZipEntry(++count + ".dcm"));
            entry.write(zout);
            zout.closeEntry();
        }
        zout.finish();
    }

    public void addEntry(StreamingOutput entry) {
        entries.add(entry);
    }
}