Java ZipEntry Read getZipEntryStream(File zipFile, String entryName)

Description

get Zip Entry Stream

License

Open Source License

Parameter

Parameter	Description
zipFile	a parameter
entryName	a parameter

Exception

Parameter	Description
IOException	an exception

Return

A Zip Entry Stream

Declaration

public static InputStream getZipEntryStream(File zipFile, String entryName) throws IOException 

Method Source Code

//package com.java2s;
/**/*  w w  w  . j a v  a 2 s  .co  m*/
 * This program and the accompanying materials
 * are made available under the terms of the License
 * which accompanies this distribution in the file LICENSE.txt
 */

import java.io.BufferedInputStream;

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.ZipInputStream;

public class Main {
    /**
     * @param zipFile
     * @param entryName
     * @return A Zip Entry Stream
     * @throws IOException
     */
    public static InputStream getZipEntryStream(File zipFile, String entryName) throws IOException {
        ZipEntry zipEntry;
        ZipInputStream zIn;

        BufferedInputStream in = new BufferedInputStream(new FileInputStream(zipFile));
        zIn = new ZipInputStream(in);

        // Get zip entry
        while ((zipEntry = zIn.getNextEntry()) != null) {
            String zipEntryName = zipEntry.getName();
            if (zipEntryName.equalsIgnoreCase(entryName)) {
                break;
            }
            zIn.closeEntry();
        }

        // If we didn't get it return null
        if (zipEntry == null) {
            try {
                zIn.close();
            } catch (IOException ex) {
            }
            return null;
        }

        return zIn;
    }
}

Related

1. getZipEntryContent(final File zip, final String entry)
2. getZipEntryFileName(final ZipEntry zipEntry)
3. getZipEntryName(int pathOffset, String absolutePath)
4. getZipEntryNames(File zipFile)
5. getZipEntryPath(File f, String archiveSourceDir)
6. getZipEntryStreamOrThrow(File file, String filenamePart)