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.sakaiproject.search.util.FileUtils.java

/**
 * unpack a segment from a zip/*from ww  w  . j  a  v  a  2s  .c om*/
 * 
 * @param addsi
 * @param packetStream
 * @param version
 */
public static void unpack(InputStream source, File destination) throws IOException {
    ZipInputStream zin = new ZipInputStream(source);
    ZipEntry zipEntry = null;
    FileOutputStream fout = null;
    try {
        byte[] buffer = new byte[4096];
        while ((zipEntry = zin.getNextEntry()) != null) {

            long ts = zipEntry.getTime();
            // the zip entry needs to be a full path from the
            // searchIndexDirectory... hence this is correct

            File f = new File(destination, zipEntry.getName());
            if (log.isDebugEnabled())
                log.debug("         Unpack " + f.getAbsolutePath());
            if (!f.getParentFile().exists()) {
                if (!f.getParentFile().mkdirs()) {
                    log.warn("unpack(): Failed to create parent folder: " + f.getParentFile().getPath());
                }
            }

            fout = new FileOutputStream(f);
            int len;
            while ((len = zin.read(buffer)) > 0) {
                fout.write(buffer, 0, len);
            }
            zin.closeEntry();
            fout.close();
            if (!f.setLastModified(ts)) {
                log.warn("upack(): failes to set modified date on " + f.getPath());
            }
        }
    } finally {
        try {
            fout.close();
        } catch (Exception ex) {
            log.warn("Exception closing file output stream", ex);
        }
    }
}

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From source file:org.solmix.commons.util.Files.java

/**
 * zip/*w w w . ja v a 2s.c  o  m*/
 * :?ZipOutputStreamZipInputStreamzip.
 * :java.util.zip??,zip??,
 * :"Exception  in thread "main " java.lang.IllegalArgumentException 
 * at java.util.zip.ZipInputStream.getUTF8String(ZipInputStream.java:285)
 * @param srcDir
 *            ?
 * @param destDir
 *            ?
 * @throws Exception
 */
public static void unZip(String srcDir, String destDir) throws IOException {
    int leng = 0;
    byte[] b = new byte[1024 * 2];
    /** ?zip? **/
    File[] zipFiles = new ExtensionFileFilter("zip").getFiles(srcDir);
    if (zipFiles != null && !"".equals(zipFiles)) {
        for (int i = 0; i < zipFiles.length; i++) {
            File file = zipFiles[i];
            /** ? * */
            ZipInputStream zis = new ZipInputStream(new FileInputStream(file));
            ZipEntry entry = null;
            while ((entry = zis.getNextEntry()) != null) {
                File destFile = null;
                if (destDir.endsWith(File.separator)) {
                    destFile = new File(destDir + entry.getName());
                } else {
                    destFile = new File(destDir + File.separator + entry.getName());
                }
                /** ? * */
                FileOutputStream fos = new FileOutputStream(destFile);
                while ((leng = zis.read(b)) != -1) {
                    fos.write(b, 0, leng);
                }
                fos.close();
            }
            zis.close();
        }
    }
}

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From source file:com.hazelcast.stabilizer.Utils.java

public static void unzip(byte[] content, final File destinationDir) throws IOException {
    byte[] buffer = new byte[1024];

    ZipInputStream zis = new ZipInputStream(new ByteArrayInputStream(content));
    ZipEntry zipEntry = zis.getNextEntry();

    while (zipEntry != null) {

        String fileName = zipEntry.getName();
        File file = new File(destinationDir + File.separator + fileName);

        //            log.finest("Unzipping: " + file.getAbsolutePath());

        if (zipEntry.isDirectory()) {
            file.mkdirs();/*from   w  w w . ja v a  2 s  .  co  m*/
        } else {
            file.getParentFile().mkdirs();

            FileOutputStream fos = new FileOutputStream(file);
            try {
                int len;
                while ((len = zis.read(buffer)) > 0) {
                    fos.write(buffer, 0, len);
                }
            } finally {
                closeQuietly(fos);
            }
        }

        zipEntry = zis.getNextEntry();
    }

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

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From source file:org.ngrinder.common.util.CompressionUtils.java

/**
 * Unzip the given input stream into destination directory with the given
 * character set./*  w  ww  . j av  a  2s  .  c om*/
 *
 * @param is          input stream
 * @param destDir     destination directory
 * @param charsetName character set name
 */
public static void unzip(InputStream is, File destDir, String charsetName) {
    byte[] buffer = new byte[1024];
    ZipInputStream zis = null;
    FileOutputStream fos = null;
    try {
        File folder = destDir;
        if (!folder.exists()) {
            folder.mkdir();
        }

        zis = new ZipInputStream(is);
        ZipEntry ze = zis.getNextEntry();

        while (ze != null) {
            String fileName = ze.getName();

            File newFile = new File(destDir.getAbsolutePath(), fileName);
            if (newFile.getPath().contains("..")) {
                throw new IllegalArgumentException("zip entry should not contain .. in the path.");
            }
            if (ze.isDirectory()) {
                newFile.mkdirs();
            } else {
                fos = new FileOutputStream(newFile);
                int len;
                while ((len = zis.read(buffer)) > 0) {
                    fos.write(buffer, 0, len);
                }
                IOUtils.closeQuietly(fos);
            }

            ze = zis.getNextEntry();
        }
    } catch (Exception e) {
        throw processException(e);
    } finally {
        IOUtils.closeQuietly(fos);
        IOUtils.closeQuietly(is);
        IOUtils.closeQuietly(zis);
    }
}

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From source file:eu.scape_project.archiventory.container.ZipContainer.java

/**
 * Extracts a zip entry (file entry)/*from   w w  w  .ja  va 2s. c o m*/
 * @param zipIn
 * @param filePath
 * @throws IOException
 */
private void extractFile(ZipInputStream zipIn, String filePath) throws IOException {
    BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(filePath));
    byte[] bytesIn = new byte[BUFFER_SIZE];
    int read = 0;
    while ((read = zipIn.read(bytesIn)) != -1) {
        bos.write(bytesIn, 0, read);
    }
    bos.close();
    if ((new File(filePath).exists())) {
        String id = filePath.replaceFirst("[0-9]{10,30}", "");
        //id = id.replace(this.tmpDirName"/tmp", "");
        // key-value pair
        this.put(filePath, filePath);
    }
}

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From source file:com.geocent.owf.openlayers.handler.KmzHandler.java

@Override
public String handleContent(HttpServletResponse response, InputStream responseStream) throws IOException {
    ZipInputStream zis = new ZipInputStream(responseStream);

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];

    ZipEntry ze = zis.getNextEntry();
    while (ze != null) {
        if (ze.getName().endsWith("kml")) {
            int len;
            while ((len = zis.read(buffer)) > 0) {
                baos.write(buffer, 0, len);
            }/* w  w  w.j  a  v a  2s.c  o  m*/

            response.setContentType(ContentTypes.KML.getContentType());
            return new String(baos.toByteArray(), Charset.defaultCharset());
        }

        ze = zis.getNextEntry();
    }

    throw new IOException("Missing KML file entry.");
}

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From source file:coral.reef.web.FileUploadController.java

/**
 * Extracts a zip entry (file entry)/* ww  w .jav  a2  s  .co m*/
 * 
 * @param zipIn
 * @param filePath
 * @throws IOException
 */
private void extractFile(ZipInputStream zipIn, File filePath) throws IOException {
    filePath.getParentFile().mkdirs();
    BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(filePath));
    byte[] bytesIn = new byte[BUFFER_SIZE];
    int read = 0;
    while ((read = zipIn.read(bytesIn)) != -1) {
        bos.write(bytesIn, 0, read);
    }
    bos.close();
}

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From source file:org.bonitasoft.console.common.server.utils.FormsResourcesUtils.java

private static void unzipContentToFolder(final byte[] zipContent, final File targetFolder) throws IOException {
    ByteArrayInputStream is = null;
    ZipInputStream zis = null;
    FileOutputStream out = null;/*from  w  w  w  .  j  ava 2s .  c  o m*/
    try {
        is = new ByteArrayInputStream(zipContent);
        zis = new ZipInputStream(is);
        ZipEntry entry;
        while ((entry = zis.getNextEntry()) != null) {
            final String entryName = entry.getName();
            if (entryName.endsWith(".jar")) {
                final File file = new File(targetFolder, entryName);
                if (file.exists()) {
                    file.delete();
                }
                file.createNewFile();
                out = new FileOutputStream(file);
                int len = 0;
                final byte[] buffer = new byte[1024];
                while ((len = zis.read(buffer)) > 0) {
                    out.write(buffer, 0, len);
                }
                out.close();
            }
        }
    } finally {
        if (is != null) {
            is.close();
        }
        if (zis != null) {
            zis.close();
        }
        if (out != null) {
            out.close();
        }
    }
}

---

From source file:org.wso2.ppaas.configurator.tests.ConfiguratorTestManager.java

private void extractFile(ZipInputStream zipIn, String filePath) throws IOException {
    BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(filePath));
    byte[] bytesIn = new byte[4096];
    int read;/*from   w  ww . j  a v  a 2 s .  c o  m*/
    while ((read = zipIn.read(bytesIn)) != -1) {
        bos.write(bytesIn, 0, read);
    }
    bos.close();
}

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From source file:org.activiti.designer.kickstart.eclipse.sync.SyncUtil.java

protected static IFile downloadZipFile(IProject project, Document document, final Shell shell,
        IProgressMonitor monitor) throws Exception {
    IFolder tempzipFolder = project.getFolder("tempzip");
    if (tempzipFolder.exists()) {
        tempzipFolder.delete(true, monitor);
    }//from  w w  w. j ava2s  . c  o m

    tempzipFolder.create(true, true, monitor);

    IFile file = tempzipFolder.getFile(new Path(document.getName()));
    file.create(CmisUtil.downloadDocument(document), true, null);

    IFile openFile = null;
    byte[] buffer = new byte[1024];
    if ("zip".equalsIgnoreCase(file.getFileExtension())) {
        final ZipInputStream zis = new ZipInputStream(new FileInputStream(file.getLocation().toFile()));
        boolean hasMoreEntries = true;
        IFile processFile = null;
        while (hasMoreEntries) {
            ZipEntry entry = zis.getNextEntry();
            if (entry != null) {
                IFile unzippedFile = tempzipFolder.getFile(entry.getName());
                if ("kickproc".equalsIgnoreCase(unzippedFile.getFileExtension())) {
                    processFile = unzippedFile;
                }
                String filePath = unzippedFile.getLocationURI().getPath();
                File extractFile = new File(filePath);
                FileOutputStream fos = new FileOutputStream(extractFile);
                int len;
                while ((len = zis.read(buffer)) > 0) {
                    fos.write(buffer, 0, len);
                }

                fos.close();
            } else {
                hasMoreEntries = false;
            }
        }
        zis.close();

        tempzipFolder.getProject().refreshLocal(IResource.DEPTH_INFINITE, monitor);
        if (processFile != null) {
            openFile = processWorkflowDefinition(processFile, tempzipFolder, document, shell, monitor);
        }
    }

    tempzipFolder.delete(true, monitor);
    project.refreshLocal(IResource.DEPTH_INFINITE, monitor);
    return openFile;
}

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