Java ZipOutputStream Write zipStoreBuffer(ZipOutputStream zip, String name, byte[] dataBuffer)

Description

zip Store Buffer

License

Apache License

Declaration

public static void zipStoreBuffer(ZipOutputStream zip, String name, byte[] dataBuffer) throws IOException 

Method Source Code

//package com.java2s;
/*/* ww  w.  j a v a2  s .c om*/
 * 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.
 */

import java.io.IOException;
import java.util.zip.CRC32;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import java.util.zip.ZipException;
import java.util.UUID;

public class Main {
    public static void zipStoreBuffer(ZipOutputStream zip, String name, byte[] dataBuffer) throws IOException {
        ZipEntry zipEntry = new ZipEntry(name != null ? name : UUID.randomUUID().toString());
        zipEntry.setMethod(ZipOutputStream.STORED);

        zipEntry.setSize(dataBuffer.length);
        CRC32 crc32 = new CRC32();
        crc32.update(dataBuffer);
        zipEntry.setCrc(crc32.getValue());

        try {
            zip.putNextEntry(zipEntry);
        } catch (ZipException ex) {
            if (name != null) {
                zipStoreBuffer(zip, null, dataBuffer);
                return;
            }
        }

        zip.write(dataBuffer);

        zip.closeEntry();
    }
}

Related

1. zipOneFile(File file, String base, ZipOutputStream zout)
2. zipOneFile(File file, ZipOutputStream out, String relativePath)
3. zipOneFile(String prefix, File file, ZipOutputStream zos)
4. zipRecurse(File file, int prefixLength, ZipOutputStream zos)
5. zipRecursively(String path, File dir, ZipOutputStream out)
6. zipToStream(File file, int prefixLength, ZipOutputStream out)