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:com.polyvi.xface.extension.zip.XZipExt.java

/**
 * ??zip?/*from w  w w.j av a  2 s .c  om*/
 *
 * @param dstFileUri
 *            
 * @param is
 *            ?zip?
 * @return ??
 * @throws IOException
 * @throws FileNotFoundException
 * @throws IllegalArgumentException
 */
private void unzipFileFromStream(Uri dstFileUri, InputStream is)
        throws IOException, FileNotFoundException, IllegalArgumentException {
    if (null == dstFileUri || null == is) {
        XLog.e(CLASS_NAME, "Method unzipFileFromStream: params is null");
        throw new IllegalArgumentException();
    }
    ZipInputStream zis = new ZipInputStream(is);
    ZipEntry entry = null;
    Uri unZipUri = null;
    while (null != (entry = zis.getNextEntry())) {
        File unZipFile = new File(dstFileUri.getPath() + File.separator + entry.getName());
        unZipUri = Uri.fromFile(unZipFile);
        if (entry.isDirectory()) {
            if (!unZipFile.exists()) {
                unZipFile.mkdirs();
            }
        } else {
            // ???
            prepareForZipDir(unZipUri);
            OutputStream fos = mResourceApi.openOutputStream(unZipUri);
            int readLen = 0;
            byte buffer[] = new byte[XConstant.BUFFER_LEN];
            while (-1 != (readLen = zis.read(buffer))) {
                fos.write(buffer, 0, readLen);
            }
            fos.close();
        }
    }
    zis.close();
    is.close();
}

---

From source file:org.geoserver.wps.gs.download.DownloadProcessTest.java

/**
 * This method is used for decoding an input file.
 * /*www  .  j  a v  a2 s .  c  o  m*/
 * @param input the input stream to decode
 * @param tempDirectory temporary directory on where the file is decoded.
 * @return the object the decoded file
 * @throws Exception the exception TODO review
 */
public static File decode(InputStream input, File tempDirectory) throws Exception {

    // unzip to the temporary directory
    ZipInputStream zis = null;
    try {
        zis = new ZipInputStream(input);
        ZipEntry entry = null;

        // Copy the whole file in the new position
        while ((entry = zis.getNextEntry()) != null) {
            File file = new File(tempDirectory, entry.getName());
            if (entry.isDirectory()) {
                file.mkdir();
            } else {
                int count;
                byte data[] = new byte[4096];
                // write the files to the disk
                FileOutputStream fos = null;
                try {
                    fos = new FileOutputStream(file);
                    while ((count = zis.read(data)) != -1) {
                        fos.write(data, 0, count);
                    }
                    fos.flush();
                } finally {
                    if (fos != null) {
                        org.apache.commons.io.IOUtils.closeQuietly(fos);
                    }
                }
            }
            zis.closeEntry();
        }
    } finally {
        if (zis != null) {
            org.apache.commons.io.IOUtils.closeQuietly(zis);
        }
    }

    return tempDirectory;
}

---

From source file:at.ac.tuwien.auto.iotsys.gateway.connectors.knx.KNXDeviceLoaderETSImpl.java

public void unZip(String zipFile, String outputFolder) {
    byte[] buffer = new byte[1024];

    try {/*from w  w  w.jav  a 2  s  .co  m*/
        File folder = new File(outputFolder);
        if (!folder.exists()) {
            folder.mkdir();
        }

        ZipInputStream zis = new ZipInputStream(new FileInputStream(zipFile));

        ZipEntry ze = zis.getNextEntry();

        while (ze != null) {

            String fileName = ze.getName();
            File newFile = new File(outputFolder + File.separator + fileName);

            log.info("file unzip : " + newFile.getAbsoluteFile());

            new File(newFile.getParent()).mkdirs();

            FileOutputStream fos = new FileOutputStream(newFile);

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

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

        zis.closeEntry();
        zis.close();

    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

---

From source file:nl.imvertor.common.file.ZipFile.java

/**
 * Unzip it/*from  www .  ja  v  a 2 s . com*/
 * @param zipFile input zip file
 * @param outputFolder zip file output folder
 * @param requestedFilePattern Pattern to match the file name.
 * 
 * @throws Exception 
 */
private void unZipIt(String zipFile, String outputFolder, Pattern requestedFilePattern) throws Exception {

    byte[] buffer = new byte[1024];

    //create output folder is not exists
    AnyFolder folder = new AnyFolder(outputFolder);
    folder.mkdir();

    //get the zip file content
    ZipInputStream zis = new ZipInputStream(new FileInputStream(zipFile));
    //get the zipped file list entry
    ZipEntry ze = zis.getNextEntry();

    while (ze != null) {
        if (!ze.isDirectory()) {
            String fileName = ze.getName();
            // if the pattern specified, use a matcher. Otherwise accept any file.
            Matcher m = (requestedFilePattern != null) ? requestedFilePattern.matcher(fileName) : null;
            if (requestedFilePattern == null || m.find()) {
                File newFile = new File(outputFolder + File.separator + fileName);
                //create all non exists folders
                //else you will hit FileNotFoundException for compressed folder
                new File(newFile.getParent()).mkdirs();
                FileOutputStream fos = new FileOutputStream(newFile);
                int len;
                while ((len = zis.read(buffer)) > 0) {
                    fos.write(buffer, 0, len);
                }
                fos.close();
            }
        }
        ze = zis.getNextEntry();
    }
    zis.closeEntry();
    zis.close();
}

---

From source file:org.jevis.commons.drivermanagment.ClassImporter.java

public List<File> unZipIt(String outputFolder, File zipFile) {
    List<File> files = new ArrayList<>();

    byte[] buffer = new byte[1024];

    try {// w  ww  . j ava  2s.  co m

        //create output directory is not exists
        File folder = new File(outputFolder);
        if (!folder.exists()) {
            folder.mkdir();
        }

        //get the zip file content
        ZipInputStream zis = new ZipInputStream(new FileInputStream(zipFile));
        //get the zipped file list entry
        ZipEntry ze = zis.getNextEntry();

        while (ze != null) {

            String fileName = ze.getName();
            File newFile = new File(outputFolder + File.separator + fileName);
            newFile.deleteOnExit();
            files.add(newFile);

            //                System.out.println("file unzip : " + newFile.getAbsoluteFile());
            //create all non exists folders
            //else you will hit FileNotFoundException for compressed folder
            new File(newFile.getParent()).mkdirs();

            FileOutputStream fos = new FileOutputStream(newFile);

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

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

        zis.closeEntry();
        zis.close();

    } catch (IOException ex) {
        ex.printStackTrace();
    }
    return files;
}

---

From source file:org.inaturalist.android.GuideXML.java

/**
 * Extracts a downloaded NGZ file into the offline guide directory
 * @param ngzFilename the NGZ file path/*from  w ww  .j  av  a2  s .c  o  m*/
 * @return true/false status
 */
public boolean extractOfflineGuide(String ngzFilename) {
    // First, create the offline guide directory, if it doesn't exist
    File offlineGuidesDir = new File(mContext.getExternalCacheDir() + OFFLINE_GUIDE_PATH + mGuideId);
    offlineGuidesDir.mkdirs();

    // Next, extract the NGZ file into that directory
    String basePath = offlineGuidesDir.getPath();
    InputStream is;
    ZipInputStream zis;
    try {
        String filename;
        is = new FileInputStream(ngzFilename);
        zis = new ZipInputStream(new BufferedInputStream(is));
        ZipEntry ze;
        byte[] buffer = new byte[1024];
        int count;

        // Extract all files in the zip file - one by one
        while ((ze = zis.getNextEntry()) != null) {
            // Get current filename
            filename = ze.getName();

            // Need to create directories if doesn't exist, or it will generate an Exception...
            if (ze.isDirectory()) {
                File fmd = new File(basePath + "/" + filename);
                fmd.mkdirs();
                continue;
            }

            FileOutputStream fout = new FileOutputStream(basePath + "/" + filename);

            // Extract current file
            while ((count = zis.read(buffer)) != -1) {
                fout.write(buffer, 0, count);
            }

            fout.close();
            zis.closeEntry();
        }

        zis.close();
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    }

    return true;
}

---

From source file:isl.FIMS.utils.Utils.java

/**
 * Unzip it (This implementation works only when zip contains files-folders
 * with ASCII filenames Greek characters break the code!
 *
 * @param zipFile input zip file//from w ww. ja  v a  2s  .c  o m
 * @param output zip file output folder
 */
public static void unzip(String zipFile, String outputFolder) {

    String rootFolderName = "";
    String rootFlashFilename = "";
    byte[] buffer = new byte[1024];

    try {

        //get the zip file content
        ZipInputStream zis = new ZipInputStream(new FileInputStream(outputFolder + File.separator + zipFile));
        //get the zipped file list entry

        ZipEntry ze = zis.getNextEntry();

        boolean rootDirFound = false;
        boolean flashFileFound = false;
        while (ze != null) {

            String fileName = ze.getName();
            File newFile = new File(outputFolder + File.separator + fileName);
            //create all non exists folders
            //else you will hit FileNotFoundException for compressed folder
            if (!ze.getName().contains("__MACOSX")) {
                if (ze.isDirectory()) {
                    if (rootDirFound == false) {
                        rootFolderName = newFile.getName();
                        rootDirFound = true;
                    }
                    new File(newFile.getParent()).mkdirs();
                } else {
                    FileOutputStream fos = null;

                    new File(newFile.getParent()).mkdirs();

                    if (flashFileFound == false && newFile.getName().endsWith(".swf")
                            && !newFile.getName().startsWith(".")) {
                        rootFlashFilename = newFile.getName();
                        flashFileFound = true;
                    }

                    fos = new FileOutputStream(newFile);

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

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

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

---

From source file:org.jboss.dashboard.workspace.GraphicElementManagerImpl.java

public synchronized void addFileToResource(final String name, final File file, final GraphicElement element,
        final String descriptorFileName) throws Exception {
    byte[] zipFile = element.getZipFile();
    byte[] buffer = new byte[65536];

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ZipOutputStream zos = new ZipOutputStream(bos);

    ZipInputStream zis = new ZipInputStream(new ByteArrayInputStream(zipFile));
    ZipEntry entry = null;//from ww w .  ja v  a 2s  .c o  m
    while ((entry = zis.getNextEntry()) != null) {
        String entryName = entry.getName();
        if (entryName.equals(descriptorFileName)) {
            Properties props = new Properties();
            props.load(zis);
            props.setProperty("resource." + name, name);
            zos.putNextEntry(new ZipEntry(entryName));
            props.store(zos, "");
            zos.closeEntry();
        } else if (entryName.equals(name)) {
            throw new Exception("Duplicated entry name: " + name);
        } else {
            zos.putNextEntry(new ZipEntry(entryName));
            int len = 0;
            while ((len = zis.read(buffer)) != -1) {
                zos.write(buffer, 0, len);
            }
            zos.closeEntry();
        }
    }

    InputStream in = new BufferedInputStream(new FileInputStream(file));
    zos.putNextEntry(new ZipEntry(name));
    int len = 0;
    while ((len = in.read(buffer)) != -1) {
        zos.write(buffer, 0, len);
    }
    zos.closeEntry();
    zos.close();
    element.setZipFile(bos.toByteArray());
    createOrUpdate(element);
}

---

From source file:configuration.Util.java

/**
 * This un-ZIP a the input_filename to the output_filename
 * @param input_filename// w  w w .j  av a  2  s.  com
 * @param output_filename
 * @return True if success
 */
public static boolean unzip(String input_filename, String output_filename) {
    try {
        ZipInputStream zipInputStream = new ZipInputStream(new FileInputStream(input_filename));
        OutputStream out = new FileOutputStream(output_filename);
        byte[] buffer = new byte[1024];
        int len;
        while ((len = zipInputStream.read(buffer)) > 0) {
            out.write(buffer, 0, len);
        }
        zipInputStream.close();
        out.close();
        return true;
    } catch (Exception e) {
        System.out.println("Unzip Failed!");
        System.out.println(e);
        e.printStackTrace();
        return false;
    }
}

---

From source file:org.yccheok.jstock.gui.IndicatorProjectManager.java

public boolean install(File zipFile) {
    // First, get the project name.
    final String projectName = IndicatorProjectManager.getProjectName(zipFile);
    if (projectName == null) {
        return false;
    }/* w ww . ja v  a2  s  .co  m*/

    final String jHotDrawFilename = projectName + JHOTDRAW_RESERVE_WORD + ".xml";
    final String operatorIndicatorFilename = projectName + ".xml";

    boolean status = true;
    /* projectName, operatorIndicatorFilename, jHotDrawFilename */
    ZipInputStream in = null;
    try {
        in = new ZipInputStream(new FileInputStream(zipFile));
        // Get the first entry
        ZipEntry zipEntry = null;

        while ((zipEntry = in.getNextEntry()) != null) {
            final String name = zipEntry.getName();
            String outFilename = null;

            if (name.equalsIgnoreCase(operatorIndicatorFilename)) {
                outFilename = this.getOperatorIndicatorFilename(projectName);
            } else if (name.equalsIgnoreCase(jHotDrawFilename)) {
                outFilename = this.getJHotDrawFilename(projectName);
            } else {
                assert (false);
            }

            OutputStream out = null;

            try {
                out = new FileOutputStream(outFilename);

                // Transfer bytes from the ZIP file to the output file
                byte[] buf = new byte[1024];
                int len;
                while ((len = in.read(buf)) > 0) {
                    out.write(buf, 0, len);
                }
            } finally {
                org.yccheok.jstock.file.Utils.close(out);
                org.yccheok.jstock.file.Utils.closeEntry(in);
            }
        }
    } catch (IOException ex) {
        log.error(null, ex);
        status = false;
    } finally {
        org.yccheok.jstock.file.Utils.close(in);
    }

    if (status == false) {
        new File(this.getOperatorIndicatorFilename(projectName)).delete();
        new File(this.getJHotDrawFilename(projectName)).delete();
        return false;
    }

    final OperatorIndicator operatorIndicator = (OperatorIndicator) Utils.fromXML(OperatorIndicator.class,
            this.getOperatorIndicatorFilename(projectName));
    if (operatorIndicator == null || operatorIndicator.getType() != this.preferredOperatorIndicatorType) {
        new File(this.getOperatorIndicatorFilename(projectName)).delete();
        new File(this.getJHotDrawFilename(projectName)).delete();
        return false;
    }

    if (this.contains(projectName) == false) {
        this.projects.add(projectName);
    }
    return true;
}

---

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