fr.univrouen.poste.services.ZipService.java Source code

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Here is the source code for fr.univrouen.poste.services.ZipService.java

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/**
 * Licensed to ESUP-Portail under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.
 *
 * ESUP-Portail 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 fr.univrouen.poste.services;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.sql.SQLException;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

import org.apache.log4j.Logger;
import org.springframework.stereotype.Service;

import fr.univrouen.poste.domain.PosteCandidature;
import fr.univrouen.poste.domain.PosteCandidatureFile;

@Service
public class ZipService {

    static final int BUFFER = 2048;

    private final Logger logger = Logger.getLogger(getClass());

    public void writeZip(List<PosteCandidature> posteCandidatures, OutputStream destStream)
            throws IOException, SQLException {

        ZipOutputStream out = new ZipOutputStream(destStream);

        for (PosteCandidature posteCandidature : posteCandidatures) {
            String folderName = posteCandidature.getPoste().getNumEmploi().concat("/");
            folderName = folderName.concat(posteCandidature.getCandidat().getNom().concat("-"));
            folderName = folderName.concat(posteCandidature.getCandidat().getPrenom().concat("-"));
            folderName = folderName.concat(posteCandidature.getCandidat().getNumCandidat().concat("/"));
            for (PosteCandidatureFile posteCandidatureFile : posteCandidature.getCandidatureFiles()) {
                String fileName = posteCandidatureFile.getId().toString().concat("-")
                        .concat(posteCandidatureFile.getFilename());
                String folderFileName = folderName.concat(fileName);
                out.putNextEntry(new ZipEntry(folderFileName));
                InputStream inputStream = posteCandidatureFile.getBigFile().getBinaryFile().getBinaryStream();
                BufferedInputStream bufInputStream = new BufferedInputStream(inputStream, BUFFER);
                byte[] bytes = new byte[BUFFER];
                int length;
                while ((length = bufInputStream.read(bytes)) >= 0) {
                    out.write(bytes, 0, length);
                }
                out.closeEntry();
            }
        }
        out.close();
    }

}