Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright 2008 - 2009
 * 
 * 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.
 * 
 * @project loonframework
 * @author chenpeng
 * @email:ceponline@yahoo.com.cn
 * @version 0.1
 */

import java.io.ByteArrayOutputStream;

import java.io.FileInputStream;

import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class Main {

    public static byte[] readBytesFormZipFile(String fileName, String fname) {
        byte[] bytes = null;
        ByteArrayOutputStream os = null;
        ZipInputStream in = null;
        try {
            os = new ByteArrayOutputStream(4096);
            in = new ZipInputStream(new FileInputStream(fileName));
            boolean found = false;
            while (!found) {
                ZipEntry entry = in.getNextEntry();
                if (fname.equalsIgnoreCase(entry.getName())) {
                    found = true;
                }
            }
            int read;
            byte[] buffer = new byte[4096];
            while ((read = in.read(buffer)) >= 0) {
                os.write(buffer, 0, read);
            }
            bytes = os.toByteArray();
        } catch (Exception e) {
            bytes = null;
        } finally {
            try {
                if (os != null) {
                    os.flush();
                    os = null;
                }
                if (in != null) {
                    in.close();
                    in = null;
                }
            } catch (Exception e) {
            }
        }

        return bytes;
    }
}