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, int off, int len) throws IOException 

Source Link

Document

Reads from the current ZIP entry into an array of bytes.

Usage

From source file:com.sg2net.utilities.ListaCAP.ListaComuniCapFromInternet.java

public Collection<Comune> donwloadAndParse() {
    try {//from w  w w.ja  v a  2s. c  o m
        List<Comune> comuni = new ArrayList<>();
        HttpClient httpclient = new DefaultHttpClient();
        HttpGet httpget = new HttpGet(ZIP_URL);
        HttpResponse response = httpclient.execute(httpget);
        HttpEntity entity = response.getEntity();
        if (entity != null) {
            try (InputStream instream = entity.getContent();) {
                ZipInputStream zipInputStream = new ZipInputStream(instream);
                ZipEntry entry = zipInputStream.getNextEntry();

                if (entry != null) {
                    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
                    byte data[] = new byte[BUFFER];
                    int count = 0;
                    while ((count = zipInputStream.read(data, 0, BUFFER)) != -1) {
                        outputStream.write(data, 0, count);
                    }
                    StringReader reader = new StringReader(
                            new String(outputStream.toByteArray(), HTML_ENCODING));
                    LineNumberReader lineReader = new LineNumberReader(reader);
                    String line;
                    int lineNumber = 0;
                    while ((line = lineReader.readLine()) != null) {
                        logger.trace("line " + (lineNumber + 1) + " from zip file=" + line);
                        if (lineNumber > 0) {
                            String[] values = line.split(";");
                            if (values.length >= 9) {
                                Comune comune = new Comune(values[CODICE_ISTAT_POS],
                                        values[CODICE_CATASTALE_POS], values[NOME_POS], values[PROVINCIA_POS]);
                                comuni.add(comune);
                                String capStr = values[CAP_POS];
                                Collection<String> capList;
                                if (capStr.endsWith("x")) {
                                    capList = getListaCAPFromHTMLPage(values[URL_COMUNE_POS]);
                                } else {
                                    capList = new HashSet<>();
                                    capList.add(capStr);
                                }
                                comune.setCodiciCap(capList);
                            }
                        }
                        lineNumber++;
                    }
                }
            }
        }
        return comuni;
    } catch (IOException e) {
        logger.error(e.getMessage(), e);
        throw new RuntimeException(e.getMessage(), e);
    }
}

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From source file:org.etudes.mneme.tool.UploadXml.java

/**
 * write zip file to disk/*from  w  ww.j a  v a2s  .  c o m*/
 * 
 * @param zis
 * @param name
 * @throws IOException
 */
private void unzip(ZipInputStream zis, String name) throws Exception {
    BufferedOutputStream dest = null;
    int count;
    byte data[] = new byte[2048];
    try {
        // write the files to the disk
        FileOutputStream fos = new FileOutputStream(name);
        dest = new BufferedOutputStream(fos, 2048);
        while ((count = zis.read(data, 0, 2048)) != -1) {
            dest.write(data, 0, count);
        }
        dest.flush();
        fos.close();
    } catch (FileNotFoundException e) {
        throw e;
    } catch (IOException e) {
        throw e;
    } finally {
        try {
            if (dest != null)
                dest.close();
        } catch (IOException e1) {
        }
    }
}

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From source file:com.sqli.liferay.imex.util.xml.ZipUtils.java

public void _unzipArchive(File archive, File outputDir) throws IOException {
    BufferedOutputStream dest = null;
    FileInputStream fis = new FileInputStream(archive);
    CheckedInputStream checksum = new CheckedInputStream(fis, new Adler32());
    ZipInputStream zis = new ZipInputStream(new BufferedInputStream(checksum));
    ZipEntry entry;/*from   w w  w.jav  a 2 s.  c o m*/
    while ((entry = zis.getNextEntry()) != null) {
        log.debug("Extracting: " + entry);
        int count;
        byte data[] = new byte[BUFFER];
        // write the files to the disk
        FileOutputStream fos = new FileOutputStream(entry.getName());
        dest = new BufferedOutputStream(fos, BUFFER);
        while ((count = zis.read(data, 0, BUFFER)) != -1) {
            dest.write(data, 0, count);
        }
        dest.flush();
        dest.close();
    }
    zis.close();
    log.debug("Checksum:" + checksum.getChecksum().getValue());

}

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From source file:JarResources.java

public JarResources(String jarFileName) throws Exception {
    this.jarFileName = jarFileName;
    ZipFile zf = new ZipFile(jarFileName);
    Enumeration e = zf.entries();
    while (e.hasMoreElements()) {
        ZipEntry ze = (ZipEntry) e.nextElement();

        htSizes.put(ze.getName(), new Integer((int) ze.getSize()));
    }/* w w w . j ava2  s.com*/
    zf.close();

    // extract resources and put them into the hashtable.
    FileInputStream fis = new FileInputStream(jarFileName);
    BufferedInputStream bis = new BufferedInputStream(fis);
    ZipInputStream zis = new ZipInputStream(bis);
    ZipEntry ze = null;
    while ((ze = zis.getNextEntry()) != null) {
        if (ze.isDirectory()) {
            continue;
        }

        int size = (int) ze.getSize();
        // -1 means unknown size.
        if (size == -1) {
            size = ((Integer) htSizes.get(ze.getName())).intValue();
        }

        byte[] b = new byte[(int) size];
        int rb = 0;
        int chunk = 0;
        while (((int) size - rb) > 0) {
            chunk = zis.read(b, rb, (int) size - rb);
            if (chunk == -1) {
                break;
            }
            rb += chunk;
        }

        htJarContents.put(ze.getName(), b);
    }
}

---

From source file:edu.ku.brc.helpers.ZipFileHelper.java

/**
 * @param zipFile/*from w w w  .  j  a  v  a 2 s  .c o  m*/
 * @return
 * @throws ZipException
 * @throws IOException
 */
public List<File> unzipToFiles(final File zipFile) throws ZipException, IOException {
    Vector<File> files = new Vector<File>();

    final int bufSize = 65535;

    File dir = UIRegistry.getAppDataSubDir(Long.toString(System.currentTimeMillis()) + "_zip", true);
    dirsToRemoveList.add(dir);

    File outFile = null;
    FileOutputStream fos = null;
    try {
        ZipInputStream zin = new ZipInputStream(new FileInputStream(zipFile));
        ZipEntry entry = zin.getNextEntry();
        while (entry != null) {
            if (zin.available() > 0) {
                outFile = new File(dir.getCanonicalPath() + File.separator + entry.getName());
                fos = new FileOutputStream(outFile);

                byte[] bytes = new byte[bufSize]; // 64k
                int bytesRead = zin.read(bytes, 0, bufSize);
                while (bytesRead > 0) {
                    fos.write(bytes, 0, bytesRead);
                    bytesRead = zin.read(bytes, 0, bufSize);
                }

                files.insertElementAt(outFile.getCanonicalFile(), 0);
            }
            entry = zin.getNextEntry();
        }

    } finally {
        if (fos != null) {
            fos.close();
        }
    }
    return files;
}

---

From source file:org.orbisgis.commons.utils.FileUtils.java

/**
 * Unzip an archive into the directory destDir.
 * @param zipFile/* w  w w.  j  a  va 2  s  . c o m*/
 * @param destDir
 * @throws IOException
 */
public static void unzip(File zipFile, File destDir) throws IOException {
    ZipInputStream zis = null;

    try {
        FileInputStream fis = new FileInputStream(zipFile);
        zis = new ZipInputStream(new BufferedInputStream(fis));
        ZipEntry entry = zis.getNextEntry();
        while (entry != null) {
            byte data[] = new byte[BUF_SIZE];
            // write the files to the disk
            File newFile = new File(destDir, entry.getName());
            File parentFile = newFile.getParentFile();
            if (!parentFile.exists() && !parentFile.mkdirs()) {
                throw new IOException("Cannot create directory:" + parentFile);
            }
            if (!entry.isDirectory()) {
                BufferedOutputStream dest = null;
                try {
                    FileOutputStream fos = new FileOutputStream(newFile);
                    dest = new BufferedOutputStream(fos, BUF_SIZE);
                    int count = zis.read(data, 0, BUF_SIZE);
                    while (count != -1) {
                        dest.write(data, 0, count);
                        count = zis.read(data, 0, BUF_SIZE);
                    }
                    dest.flush();
                } finally {
                    if (dest != null) {
                        dest.close();
                    }
                }
            }
            entry = zis.getNextEntry();
        }
    } finally {
        if (zis != null) {
            zis.close();
        }
    }
}

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From source file:nl.nn.adapterframework.webcontrol.pipes.TestIfsaService.java

private String processZipFile(IPipeLineSession session, InputStream inputStream, String fileEncoding,
        String applicationId, String serviceId, String messageProtocol) throws IOException {
    String result = "";
    String lastState = null;/*from   ww w .  jav  a  2 s .  c  o m*/
    ZipInputStream archive = new ZipInputStream(inputStream);
    for (ZipEntry entry = archive.getNextEntry(); entry != null; entry = archive.getNextEntry()) {
        String name = entry.getName();
        int size = (int) entry.getSize();
        if (size > 0) {
            byte[] b = new byte[size];
            int rb = 0;
            int chunk = 0;
            while (((int) size - rb) > 0) {
                chunk = archive.read(b, rb, (int) size - rb);
                if (chunk == -1) {
                    break;
                }
                rb += chunk;
            }
            String message = XmlUtils.readXml(b, 0, rb, fileEncoding, false);
            if (StringUtils.isNotEmpty(result)) {
                result += "\n";
            }
            try {
                processMessage(applicationId, serviceId, messageProtocol, message);
                lastState = "success";
            } catch (Exception e) {
                lastState = "error";
            }
            result += name + ":" + lastState;
        }
        archive.closeEntry();
    }
    archive.close();
    session.put("result", result);
    return "";
}

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From source file:nl.nn.adapterframework.webcontrol.api.SendJmsMessage.java

private void processZipFile(InputStream file, JmsSender qms, String replyTo) throws IOException {
    ZipInputStream archive = new ZipInputStream(file);
    for (ZipEntry entry = archive.getNextEntry(); entry != null; entry = archive.getNextEntry()) {
        String name = entry.getName();
        int size = (int) entry.getSize();
        if (size > 0) {
            byte[] b = new byte[size];
            int rb = 0;
            int chunk = 0;
            while ((size - rb) > 0) {
                chunk = archive.read(b, rb, size - rb);
                if (chunk == -1) {
                    break;
                }//from  ww  w.ja va 2  s.  c  o  m
                rb += chunk;
            }
            String currentMessage = XmlUtils.readXml(b, 0, rb, Misc.DEFAULT_INPUT_STREAM_ENCODING, false);
            // initiate MessageSender
            if ((replyTo != null) && (replyTo.length() > 0))
                qms.setReplyToName(replyTo);

            processMessage(qms, name + "_" + Misc.createSimpleUUID(), currentMessage);
        }
        archive.closeEntry();
    }
    archive.close();
}

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From source file:edu.ku.brc.helpers.ZipFileHelper.java

/**
 * Unzips a a zip file cntaining just one file.
 * @param zipFile the backup file/*from   www.j ava 2s  .  c o m*/
 * @return the file of the new uncompressed back up file.
 */
public File unzipToSingleFile(final File zipFile) {
    final int bufSize = 102400;

    File outFile = null;
    try {
        ZipInputStream zin = new ZipInputStream(new FileInputStream(zipFile));
        ZipEntry entry = zin.getNextEntry();
        if (entry == null) {
            return null;
        }
        if (zin.available() == 0) {
            return null;
        }
        outFile = File.createTempFile("zip_", "sql");
        FileOutputStream fos = new FileOutputStream(outFile);

        byte[] bytes = new byte[bufSize]; // 10K
        int bytesRead = zin.read(bytes, 0, bufSize);
        while (bytesRead > 0) {
            fos.write(bytes, 0, bytesRead);
            bytesRead = zin.read(bytes, 0, 100);
        }

    } catch (ZipException ex) {
        edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount();
        edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(ZipFileHelper.class, ex);
        return null; //I think this means it is not a zip file.

    } catch (Exception ex) {
        edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount();
        edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(ZipFileHelper.class, ex);
        return null;
    }
    return outFile;
}

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From source file:edu.harvard.i2b2.eclipse.plugins.metadataLoader.util.FileUtil.java

public static void unzip(String zipname) throws IOException {

    FileInputStream fis = new FileInputStream(zipname);
    ZipInputStream zis = new ZipInputStream(new BufferedInputStream(fis));
    //??    GZIPInputStream gzis = new GZIPInputStream(new BufferedInputStream(fis));

    // get directory of the zip file
    if (zipname.contains("\\"))
        zipname = zipname.replace("\\", "/");
    //   String zipDirectory = zipname.substring(0, zipname.lastIndexOf("/")+1) ;
    String zipDirectory = zipname.substring(0, zipname.lastIndexOf("."));
    new File(zipDirectory).mkdir();

    RunData.getInstance().setMetadataDirectory(zipDirectory);

    ZipEntry entry;/*from w  w w  .  j a va  2  s . com*/
    while ((entry = zis.getNextEntry()) != null) {
        System.out.println("Unzipping: " + entry.getName());
        if (entry.getName().contains("metadata")) {
            RunData.getInstance().setMetadataFile(zipDirectory + "/" + entry.getName());
        } else if (entry.getName().contains("schemes")) {
            RunData.getInstance().setSchemesFile(zipDirectory + "/" + entry.getName());
        } else if (entry.getName().contains("access")) {
            RunData.getInstance().setTableAccessFile(zipDirectory + "/" + entry.getName());
        }

        int size;
        byte[] buffer = new byte[2048];

        FileOutputStream fos = new FileOutputStream(zipDirectory + "/" + entry.getName());
        BufferedOutputStream bos = new BufferedOutputStream(fos, buffer.length);

        while ((size = zis.read(buffer, 0, buffer.length)) != -1) {
            bos.write(buffer, 0, size);
        }
        bos.flush();
        bos.close();
    }
    zis.close();
    fis.close();
}

---

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