Example usage for java.util.zip ZipInputStream read

Introduction

In this page you can find the example usage for java.util.zip ZipInputStream read.

Prototype

public int read(byte b[]) throws IOException 

Source Link

Document

Reads up to b.length bytes of data from this input stream into an array of bytes.

Usage

From source file:org.geowebcache.sqlite.OperationsRest.java

private void extractFile(ZipInputStream inputStream, File outputFile) throws Exception {
    // extracting zip entry file content
    byte[] bytes = new byte[1024];
    try (FileOutputStream outputStream = new FileOutputStream(outputFile)) {
        int read;
        while ((read = inputStream.read(bytes)) != -1) {
            outputStream.write(bytes, 0, read);
        }//from ww  w  .ja  va  2  s  .  co m
    }
}

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From source file:net.minecraftforge.fml.common.asm.transformers.AccessTransformer.java

private static void processJar(File inFile, File outFile, AccessTransformer[] transformers) throws IOException {
    ZipInputStream inJar = null;
    ZipOutputStream outJar = null;

    try {// w ww . j a  v a 2 s.c o  m
        try {
            inJar = new ZipInputStream(new BufferedInputStream(new FileInputStream(inFile)));
        } catch (FileNotFoundException e) {
            throw new FileNotFoundException("Could not open input file: " + e.getMessage());
        }

        try {
            outJar = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(outFile)));
        } catch (FileNotFoundException e) {
            throw new FileNotFoundException("Could not open output file: " + e.getMessage());
        }

        ZipEntry entry;
        while ((entry = inJar.getNextEntry()) != null) {
            if (entry.isDirectory()) {
                outJar.putNextEntry(entry);
                continue;
            }

            byte[] data = new byte[4096];
            ByteArrayOutputStream entryBuffer = new ByteArrayOutputStream();

            int len;
            do {
                len = inJar.read(data);
                if (len > 0) {
                    entryBuffer.write(data, 0, len);
                }
            } while (len != -1);

            byte[] entryData = entryBuffer.toByteArray();

            String entryName = entry.getName();

            if (entryName.endsWith(".class") && !entryName.startsWith(".")) {
                ClassNode cls = new ClassNode();
                ClassReader rdr = new ClassReader(entryData);
                rdr.accept(cls, 0);
                String name = cls.name.replace('/', '.').replace('\\', '.');

                for (AccessTransformer trans : transformers) {
                    entryData = trans.transform(name, name, entryData);
                }
            }

            ZipEntry newEntry = new ZipEntry(entryName);
            outJar.putNextEntry(newEntry);
            outJar.write(entryData);
        }
    } finally {
        IOUtils.closeQuietly(outJar);
        IOUtils.closeQuietly(inJar);
    }
}

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From source file:com.jbrisbin.vpc.jobsched.batch.BatchMessageConverter.java

public Object fromMessage(Message message) throws MessageConversionException {
    MessageProperties props = message.getMessageProperties();
    if (isAuthorized(props) && props.getContentType().equals("application/zip")) {
        BatchMessage msg = new BatchMessage();
        msg.setId(new String(props.getCorrelationId()));
        String timeout = "2";
        if (props.getHeaders().containsKey("timeout")) {
            timeout = props.getHeaders().get("timeout").toString();
        }//from  w  w  w.  j  a v  a2  s  .  c o m
        msg.setTimeout(Integer.parseInt(timeout));

        ZipInputStream zin = new ZipInputStream(new ByteArrayInputStream(message.getBody()));
        ZipEntry zentry;
        try {
            while (null != (zentry = zin.getNextEntry())) {
                byte[] buff = new byte[4096];
                StringWriter json = new StringWriter();
                for (int bytesRead = 0; bytesRead > -1; bytesRead = zin.read(buff)) {
                    json.write(new String(buff, 0, bytesRead));
                }
                msg.getMessages().put(zentry.getName(), json.toString());
            }
        } catch (IOException e) {
            throw new MessageConversionException(e.getMessage(), e);
        }

        return msg;
    } else {
        throw new MessageConversionException("Invalid security key.");
    }
}

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From source file:com.espringtran.compressor4j.processor.LzmaProcessor.java

/**
 * Read from compressed file// w  ww  .  j av a  2 s.c  om
 * 
 * @param srcPath
 *            path of compressed file
 * @param fileCompressor
 *            FileCompressor object
 * @throws Exception
 */
@Override
public void read(String srcPath, FileCompressor fileCompressor) throws Exception {
    long t1 = System.currentTimeMillis();
    byte[] data = FileUtil.convertFileToByte(srcPath);
    ByteArrayInputStream bais = new ByteArrayInputStream(data);
    LZMACompressorInputStream cis = new LZMACompressorInputStream(bais);
    ZipInputStream zis = new ZipInputStream(cis);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {
        byte[] buffer = new byte[1024];
        int readByte;
        ZipEntry entry = zis.getNextEntry();
        while (entry != null) {
            long t2 = System.currentTimeMillis();
            baos = new ByteArrayOutputStream();
            readByte = zis.read(buffer);
            while (readByte != -1) {
                baos.write(buffer, 0, readByte);
                readByte = zis.read(buffer);
            }
            zis.closeEntry();
            BinaryFile binaryFile = new BinaryFile(entry.getName(), baos.toByteArray());
            fileCompressor.addBinaryFile(binaryFile);
            LogUtil.createAddFileLog(fileCompressor, binaryFile, t2, System.currentTimeMillis());
            entry = zis.getNextEntry();
        }
    } catch (Exception e) {
        FileCompressor.LOGGER.error("Error on get compressor file", e);
    } finally {
        baos.close();
        zis.close();
        cis.close();
        bais.close();
    }
    LogUtil.createReadLog(fileCompressor, srcPath, data.length, t1, System.currentTimeMillis());
}

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From source file:com.taobao.android.utils.ZipUtils.java

/**
 * zip/* ww w  .  jav  a  2s . c om*/
 *
 * @param zipFile
 * @param file
 * @param destPath  ?
 * @param overwrite ?
 * @throws IOException
 */
public static void addFileToZipFile(File zipFile, File outZipFile, File file, String destPath,
        boolean overwrite) throws IOException {
    byte[] buf = new byte[1024];
    ZipInputStream zin = new ZipInputStream(new FileInputStream(zipFile));
    ZipOutputStream out = new ZipOutputStream(new FileOutputStream(outZipFile));
    ZipEntry entry = zin.getNextEntry();
    boolean addFile = true;
    while (entry != null) {
        boolean addEntry = true;
        String name = entry.getName();
        if (StringUtils.equalsIgnoreCase(name, destPath)) {
            if (overwrite) {
                addEntry = false;
            } else {
                addFile = false;
            }
        }
        if (addEntry) {
            ZipEntry zipEntry = null;
            if (ZipEntry.STORED == entry.getMethod()) {
                zipEntry = new ZipEntry(entry);
            } else {
                zipEntry = new ZipEntry(name);
            }
            out.putNextEntry(zipEntry);
            int len;
            while ((len = zin.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        }
        entry = zin.getNextEntry();
    }

    if (addFile) {
        InputStream in = new FileInputStream(file);
        // Add ZIP entry to output stream.
        ZipEntry zipEntry = new ZipEntry(destPath);
        out.putNextEntry(zipEntry);
        // Transfer bytes from the file to the ZIP file
        int len;
        while ((len = in.read(buf)) > 0) {
            out.write(buf, 0, len);
        }
        // Complete the entry
        out.closeEntry();
        in.close();
    }
    // Close the streams
    zin.close();
    out.close();
}

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From source file:com.alcatel_lucent.nz.wnmsextract.reader.FileSelector.java

/**
 * The nested unzip method. Given a zip stream, decompress and store in file in temp_dir.
 * Replaced by unzip3./*  w  w  w . j av a2  s . com*/
 */
protected File unzip2(File zf) throws FileNotFoundException {
    //File f = null;
    String rename = zf.getAbsolutePath().replaceFirst("\\.zip", identifier + ".xml");//.replaceFirst("\\.gz", ".xml");
    File f = new File(rename);
    try {
        FileInputStream fis = new FileInputStream(zf);
        FileOutputStream fos = new FileOutputStream(rename);
        ZipInputStream zin = new ZipInputStream(fis);
        final byte[] content = new byte[BUFFER];
        int n = 0;
        while (-1 != (n = zin.read(content))) {
            fos.write(content, 0, n);
        }

        fos.flush();
        fos.close();

        fis.close();
        zin.close();
    } catch (IOException ioe) {
        jlog.error("Error processing Zip " + zf + " Excluding! :: " + ioe);
        return null;
    }
    //try again... what could go wrong
    if (checkMinFileSize(f) && retry_counter < MAX_UNGZIP_RETRIES) {
        retry_counter++;
        f.delete();
        f = unzip2(zf);
    }
    return f;
}

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From source file:com.ibm.liberty.starter.ProjectZipConstructor.java

public void initializeMap() throws IOException {
    System.out.println("Entering method ProjectZipConstructor.initializeMap()");
    InputStream skeletonIS = this.getClass().getClassLoader().getResourceAsStream(SKELETON_JAR_FILENAME);
    ZipInputStream zis = new ZipInputStream(skeletonIS);
    ZipEntry ze;/*from  ww  w.j  a v a 2  s . c o m*/
    while ((ze = zis.getNextEntry()) != null) {
        String path = ze.getName();
        int length = 0;
        byte[] bytes = new byte[1024];
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        while ((length = zis.read(bytes)) != -1) {
            baos.write(bytes, 0, length);
        }
        putFileInMap(path, baos.toByteArray());
    }
    zis.close();
}

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From source file:com.amalto.core.jobox.util.JoboxUtil.java

public static void extract(String zipPathFile, String destinationPath) throws Exception {
    FileInputStream fins = new FileInputStream(zipPathFile);
    ZipInputStream zipInputStream = new ZipInputStream(fins);
    try {//from   ww w.j  av a 2s  . c  o  m
        ZipEntry ze;
        byte ch[] = new byte[256];
        while ((ze = zipInputStream.getNextEntry()) != null) {
            File zipFile = new File(destinationPath + ze.getName());
            File zipFilePath = new File(zipFile.getParentFile().getPath());
            if (ze.isDirectory()) {
                if (!zipFile.exists()) {
                    if (!zipFile.mkdirs()) {
                        LOGGER.error("Create folder failed for '" + zipFile.getAbsolutePath() + "'."); //$NON-NLS-1$ //$NON-NLS-2$
                    }
                }
                zipInputStream.closeEntry();
            } else {
                if (!zipFilePath.exists()) {
                    if (!zipFilePath.mkdirs()) {
                        LOGGER.error("Create folder failed for '" + zipFilePath.getAbsolutePath() + "'."); //$NON-NLS-1$ //$NON-NLS-2$
                    }
                }
                FileOutputStream fileOutputStream = new FileOutputStream(zipFile);
                try {
                    int i;
                    while ((i = zipInputStream.read(ch)) != -1) {
                        fileOutputStream.write(ch, 0, i);
                    }
                    zipInputStream.closeEntry();
                } finally {
                    fileOutputStream.close();
                }
            }
        }
    } finally {
        IOUtils.closeQuietly(fins);
        IOUtils.closeQuietly(zipInputStream);
    }

}

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From source file:com.coinblesk.client.backup.BackupRestoreDialogFragment.java

/**
 * Extracts the next file from the ZIP and returns the byte content.
 * @param zis Zip//w  w  w .  ja  v  a  2s. c  om
 * @return content
 * @throws IOException
 */
private byte[] extractFileFromZip(ZipInputStream zis) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int count;
    while ((count = zis.read(buffer)) != -1) {
        baos.write(buffer, 0, count);
    }
    byte[] data = baos.toByteArray();
    return data;
}

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From source file:com.espringtran.compressor4j.processor.Bzip2Processor.java

/**
 * Read from compressed file/*from  ww  w . ja  v  a2  s .c  o m*/
 * 
 * @param srcPath
 *            path of compressed file
 * @param fileCompressor
 *            FileCompressor object
 * @throws Exception
 */
@Override
public void read(String srcPath, FileCompressor fileCompressor) throws Exception {
    long t1 = System.currentTimeMillis();
    byte[] data = FileUtil.convertFileToByte(srcPath);
    ByteArrayInputStream bais = new ByteArrayInputStream(data);
    BZip2CompressorInputStream cis = new BZip2CompressorInputStream(bais);
    ZipInputStream zis = new ZipInputStream(cis);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {
        byte[] buffer = new byte[1024];
        int readByte;
        ZipEntry entry = zis.getNextEntry();
        while (entry != null) {
            long t2 = System.currentTimeMillis();
            baos = new ByteArrayOutputStream();
            readByte = zis.read(buffer);
            while (readByte != -1) {
                baos.write(buffer, 0, readByte);
                readByte = zis.read(buffer);
            }
            zis.closeEntry();
            BinaryFile binaryFile = new BinaryFile(entry.getName(), baos.toByteArray());
            fileCompressor.addBinaryFile(binaryFile);
            LogUtil.createAddFileLog(fileCompressor, binaryFile, t2, System.currentTimeMillis());
            entry = zis.getNextEntry();
        }
    } catch (Exception e) {
        FileCompressor.LOGGER.error("Error on get compressor file", e);
    } finally {
        baos.close();
        zis.close();
        cis.close();
        bais.close();
    }
    LogUtil.createReadLog(fileCompressor, srcPath, data.length, t1, System.currentTimeMillis());
}

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