Java Byte Array from getBytes(ZipFile archive, ZipEntry entry)

Description

get Bytes

License

Apache License

Declaration

public static byte[] getBytes(ZipFile archive, ZipEntry entry)
            throws IOException 

Method Source Code

//package com.java2s;
/*/*from w  w  w  .  java 2s.  c  o  m*/
 * Copyright 2000-2016 JetBrains s.r.o.
 *
 * Licensed 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.File;
import java.io.FileInputStream;

import java.io.IOException;
import java.io.InputStream;

import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

public class Main {
    public static byte[] getBytes(ZipFile archive, ZipEntry entry)
            throws IOException {
        return readAndClose(archive.getInputStream(entry),
                (int) entry.getSize());
    }

    public static byte[] getBytes(File file) throws IOException {
        return readAndClose(new FileInputStream(file), (int) file.length());
    }

    private static byte[] readAndClose(InputStream stream, int length)
            throws IOException {
        try {
            byte[] bytes = new byte[length];
            int n = 0;
            int off = 0;
            int count;
            while (n < length) {
                count = stream.read(bytes, off + n, length - n);
                if (count < 0) {
                    throw new IOException("premature end of stream");
                }
                n += count;
            }
            return bytes;
        } finally {
            stream.close();
        }
    }
}

Related

1. getBytes(String fileName)
2. getBytes(String filePath)
3. getBytes(String filePath, long startPos, long endPos)
4. getBytes(String fileUrl)
5. getBytes(String input)
6. getBytes(ZipInputStream zipInputStream)
7. getBytes2(InputStream aStream)
8. getBytesAndClose(InputStream in)
9. getBytesArrayFromFile(String fileName)