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:abfab3d.shapejs.Project.java

private static void extractZip(String zipFile, String outputFolder, Map<String, String> sceneFiles,
        List<String> resources) {
    byte[] buffer = new byte[1024];

    try {/* w  ww. j av  a  2s .  com*/
        //create output directory is not exists
        File folder = new File(outputFolder);
        if (!folder.exists()) {
            folder.mkdir();
        }

        ZipInputStream zis = new ZipInputStream(new FileInputStream(zipFile));
        ZipEntry ze = zis.getNextEntry();

        while (ze != null) {
            // Ignore directories
            if (ze.isDirectory())
                continue;

            String fileName = ze.getName();
            File newFile = new File(outputFolder + File.separator + fileName);
            System.out.println("file unzip : " + newFile.getAbsoluteFile());

            FileOutputStream fos = new FileOutputStream(newFile);

            int len;
            while ((len = zis.read(buffer)) > 0) {
                fos.write(buffer, 0, len);
            }

            // Save path to the script and parameters files
            if (fileName.endsWith(".json")) {
                sceneFiles.put("paramFile", newFile.getAbsolutePath());
            } else if (fileName.endsWith(".js")) {
                sceneFiles.put("scriptFile", newFile.getAbsolutePath());
            } else {
                resources.add(newFile.getAbsolutePath());
            }

            fos.close();
            ze = zis.getNextEntry();
        }

        zis.closeEntry();
        zis.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

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From source file:org.geoserver.data.util.IOUtils.java

public static void decompress(InputStream input, File destDir) throws IOException {
    ZipInputStream zin = new ZipInputStream(input);
    ZipEntry entry = null;//from   ww w  . j ava2 s  . c  o m

    byte[] buffer = new byte[1024];
    while ((entry = zin.getNextEntry()) != null) {
        File f = new File(destDir, entry.getName());
        if (entry.isDirectory()) {
            f.mkdirs();
            continue;
        }

        BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(f));

        int n = -1;
        while ((n = zin.read(buffer)) != -1) {
            out.write(buffer, 0, n);
        }

        out.flush();
        out.close();
    }
}

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From source file:com.asakusafw.bulkloader.testutil.UnitTestUtil.java

public static boolean assertZipFile(File[] expectedFile, File zipFile) throws IOException {

    ZipInputStream zipIs = new ZipInputStream(new FileInputStream(zipFile));
    ZipEntry zipEntry = null;/*from   w w w  .  ja  v a  2s  .  c om*/
    int i = 0;
    while ((zipEntry = zipIs.getNextEntry()) != null) {
        if (zipEntry.isDirectory()) {
            continue;
        }
        i++;
        File tempFile = new File("target/asakusa-thundergate/tempdata" + String.valueOf(i));
        FileOutputStream fos = new FileOutputStream(tempFile);
        byte[] b = new byte[1024];
        while (true) {
            int read = zipIs.read(b);
            if (read == -1) {
                break;
            }
            fos.write(b, 0, read);
        }

        // ?
        if (!assertFile(expectedFile[i - 1], tempFile)) {
            tempFile.delete();
            return false;
        }

        // temp
        tempFile.delete();
    }
    return true;
}

---

From source file:com.sldeditor.test.unit.tool.vector.VectorToolTest.java

/**
 * Extracts a zip entry (file entry)./*from  w  w  w . ja v  a2s  . c  o m*/
 *
 * @param zipIn the zip in
 * @param filePath the file path
 * @throws IOException Signals that an I/O exception has occurred.
 */
private static void extractFile(ZipInputStream zipIn, String filePath) throws IOException {
    BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(filePath));
    byte[] bytesIn = new byte[4096];
    int read = 0;
    while ((read = zipIn.read(bytesIn)) != -1) {
        bos.write(bytesIn, 0, read);
    }
    bos.close();
}

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From source file:org.opentestsystem.authoring.testitembank.service.impl.ApipZipOutputFileBuilderService.java

private static final void unzipToLocalDirectory(final String parentDir, final GridFSDBFile zipFile)
        throws IOException {
    ZipInputStream zipInputStream = null;
    try {//  ww w. j  a  v  a  2  s. c  o  m
        zipInputStream = new ZipInputStream(zipFile.getInputStream());

        ZipEntry nextEntry = null;
        while ((nextEntry = zipInputStream.getNextEntry()) != null) {
            if (!nextEntry.isDirectory()) {
                // create local file
                final File f = new File(parentDir + "/" + nextEntry.getName());
                f.getParentFile().mkdirs();
                f.createNewFile();

                int len = 0;
                final byte[] buff = new byte[1024];

                // write entry to file
                FileOutputStream fos = null;
                try {
                    fos = new FileOutputStream(f);
                    while ((len = zipInputStream.read(buff)) > 0) {
                        fos.write(buff, 0, len);
                    }
                } catch (final FileNotFoundException e) {
                    LOGGER.error("unexcepted FileNotFoundException: ", e);
                } finally {
                    closeAndFlushQuietly(fos);
                    closeEntryQuiety(zipInputStream);
                }
            }
        }
    } finally {
        IOUtils.closeQuietly(zipInputStream);
    }
}

---

From source file:com.bukanir.android.utils.Utils.java

public static String unzipSubtitle(String zip, String path) {
    InputStream is;/*from  w w w  .  ja va2  s. c  o m*/
    ZipInputStream zis;
    try {
        String filename = null;
        is = new FileInputStream(zip);
        zis = new ZipInputStream(new BufferedInputStream(is));
        ZipEntry ze;
        byte[] buffer = new byte[1024];
        int count;

        while ((ze = zis.getNextEntry()) != null) {
            filename = ze.getName();

            if (ze.isDirectory()) {
                File fmd = new File(path + "/" + filename);
                fmd.mkdirs();
                continue;
            }

            if (filename.endsWith(".srt") || filename.endsWith(".sub")) {
                FileOutputStream fout = new FileOutputStream(path + "/" + filename);
                while ((count = zis.read(buffer)) != -1) {
                    fout.write(buffer, 0, count);
                }
                fout.close();
                zis.closeEntry();
                break;
            }
            zis.closeEntry();
        }
        zis.close();

        File z = new File(zip);
        z.delete();

        return path + "/" + filename;

    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }

}

---

From source file:org.talend.dataprofiler.core.ui.imex.model.ZipFileExportWriter.java

/**
 * DOC bZhou Comment method "addFilesToExistingZip".
 * //w ww.  ja  v  a  2 s. c  o  m
 * @param zipFile
 * @param files
 * @throws IOException
 */
public static void addFilesToExistingZip(File zipFile, Map<File, String> fileMap) throws IOException {
    // get a temp file
    File tempFile = File.createTempFile(zipFile.getName(), null);
    // delete it, otherwise you cannot rename your existing zip to it.
    tempFile.delete();
    // MOD klliu bug TDQ-1691 2011-09-09
    FileUtils.copyFile(zipFile, tempFile);
    // renameTo works on windows, don't work on linux
    // boolean renameOk = zipFile.renameTo(tempFile);
    // if (!renameOk) {
    //            throw new RuntimeException("could not rename the file " + zipFile.getAbsolutePath() + " to "//$NON-NLS-1$ //$NON-NLS-2$
    // + tempFile.getAbsolutePath());
    // }
    // ~
    byte[] buf = new byte[4096];

    ZipInputStream zin = new ZipInputStream(new FileInputStream(tempFile));
    ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFile));

    ZipEntry entry = zin.getNextEntry();
    while (entry != null) {
        String name = entry.getName();

        boolean notInFiles = true;
        for (File f : fileMap.keySet()) {
            if (f.getName().equals(new Path(name).lastSegment())) {
                notInFiles = false;
                break;
            }
        }
        if (notInFiles) {
            // Add ZIP entry to output stream.
            out.putNextEntry(new ZipEntry(name));
            // Transfer bytes from the ZIP file to the output file
            int len;
            while ((len = zin.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        }
        entry = zin.getNextEntry();
    }
    // Close the streams
    zin.close();
    // Compress the files
    for (File f : fileMap.keySet()) {
        InputStream in = new FileInputStream(f);
        // Add ZIP entry to output stream.
        out.putNextEntry(new ZipEntry(fileMap.get(f)));
        // 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();
    }
    // Complete the ZIP file
    out.close();
    tempFile.delete();
}

---

From source file:org.jenkinsci.plugins.fortifycloudscan.util.ArchiveUtil.java

public static void unzip(File directory, File zipFile) throws FileNotFoundException, IOException {
    if (!directory.exists()) {
        directory.mkdirs();//from w  ww . j a  va  2  s  . c  om
    }
    byte[] buffer = new byte[2048];

    FileInputStream fInput = null;
    ZipInputStream zipInput = null;
    try {
        fInput = new FileInputStream(zipFile);
        zipInput = new ZipInputStream(fInput);
        ZipEntry entry = zipInput.getNextEntry();
        while (entry != null) {
            String entryName = entry.getName();
            File file = new File(directory.getAbsolutePath() + File.separator + entryName);
            if (entry.isDirectory()) {
                File newDir = new File(file.getAbsolutePath());
                if (!newDir.exists()) {
                    newDir.mkdirs();
                }
            } else {
                if (!file.getParentFile().isDirectory() && !file.getParentFile().exists()) {
                    file.getParentFile().mkdirs();
                }
                FileOutputStream fOutput = new FileOutputStream(file);
                int count;
                while ((count = zipInput.read(buffer)) > 0) {
                    fOutput.write(buffer, 0, count);
                }
                fOutput.close();
            }
            zipInput.closeEntry();
            entry = zipInput.getNextEntry();
        }
        zipInput.closeEntry();
        zipInput.close();
        fInput.close();
    } catch (FileNotFoundException e) {
        throw new FileNotFoundException(e.getMessage());
    } catch (IOException e) {
        throw new IOException(e);
    } finally {
        try {
            zipInput.closeEntry();
        } catch (IOException e) {
        }
        IOUtils.closeQuietly(zipInput);
        IOUtils.closeQuietly(fInput);
    }
}

---

From source file:org.bonitasoft.engine.io.IOUtil.java

private static void writeZipInputToFile(final ZipInputStream zipInputstream, final File outputFile)
        throws FileNotFoundException, IOException {
    // The input is a file. An FileOutputStream is created to write the content of the new file.
    mkdirs(outputFile.getParentFile());/* ww  w .ja v a  2  s  .  c  o  m*/
    try (FileOutputStream fileOutputStream = new FileOutputStream(outputFile)) {
        // The contents of the new file, that is read from the ZipInputStream using a buffer (byte []), is written.
        int bytesRead;
        final byte[] buffer = new byte[BUFFER_SIZE];
        while ((bytesRead = zipInputstream.read(buffer)) > -1) {
            fileOutputStream.write(buffer, 0, bytesRead);
        }
        fileOutputStream.flush();
    } catch (final IOException ioe) {
        // In case of error, the file is deleted
        outputFile.delete();
        throw ioe;
    }
}

---

From source file:Main.java

public static void unZipFolder(InputStream input, String outPathString) throws Exception {
    java.util.zip.ZipInputStream inZip = new java.util.zip.ZipInputStream(input);
    java.util.zip.ZipEntry zipEntry = null;
    String szName = "";

    while ((zipEntry = inZip.getNextEntry()) != null) {
        szName = zipEntry.getName();// w  w w .  ja va  2s  .c o  m

        if (zipEntry.isDirectory()) {

            // get the folder name of the widget
            szName = szName.substring(0, szName.length() - 1);
            java.io.File folder = new java.io.File(outPathString + java.io.File.separator + szName);
            folder.mkdirs();

        } else {

            java.io.File file = new java.io.File(outPathString + java.io.File.separator + szName);
            file.createNewFile();
            // get the output stream of the file
            java.io.FileOutputStream out = new java.io.FileOutputStream(file);
            int len;
            byte[] buffer = new byte[1024];
            // read (len) bytes into buffer
            while ((len = inZip.read(buffer)) != -1) {
                // write (len) byte from buffer at the position 0
                out.write(buffer, 0, len);
                out.flush();
            }
            out.close();
        }
    } //end of while

    inZip.close();
}

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