Example usage for org.apache.commons.compress.archivers.zip ZipFile getInputStream

List of usage examples for org.apache.commons.compress.archivers.zip ZipFile getInputStream

  1. HOME
  2. Java
  3. org.apache.commons
  4. org.apache.commons.compress.archivers.zip.*
  5. ZipFile
  6. getInputStream

Introduction

In this page you can find the example usage for org.apache.commons.compress.archivers.zip ZipFile getInputStream.

Prototype

public InputStream getInputStream(ZipArchiveEntry ze) throws IOException, ZipException

Source Link

Document

Returns an InputStream for reading the contents of the given entry.

Usage

From source file:divconq.tool.Updater.java

static public boolean tryUpdate() {
    @SuppressWarnings("resource")
    final Scanner scan = new Scanner(System.in);

    FuncResult<RecordStruct> ldres = Updater.loadDeployed();

    if (ldres.hasErrors()) {
        System.out.println("Error reading deployed.json file: " + ldres.getMessage());
        return false;
    }/*  ww  w  .ja v  a2 s.c o  m*/

    RecordStruct deployed = ldres.getResult();

    String ver = deployed.getFieldAsString("Version");
    String packfolder = deployed.getFieldAsString("PackageFolder");
    String packprefix = deployed.getFieldAsString("PackagePrefix");

    if (StringUtil.isEmpty(ver) || StringUtil.isEmpty(packfolder)) {
        System.out.println("Error reading deployed.json file: Missing Version or PackageFolder");
        return false;
    }

    if (StringUtil.isEmpty(packprefix))
        packprefix = "DivConq";

    System.out.println("Current Version: " + ver);

    Path packpath = Paths.get(packfolder);

    if (!Files.exists(packpath) || !Files.isDirectory(packpath)) {
        System.out.println("Error reading PackageFolder - it may not exist or is not a folder.");
        return false;
    }

    File pp = packpath.toFile();
    RecordStruct deployment = null;
    File matchpack = null;

    for (File f : pp.listFiles()) {
        if (!f.getName().startsWith(packprefix + "-") || !f.getName().endsWith("-bin.zip"))
            continue;

        System.out.println("Checking: " + f.getName());

        // if not a match before, clear this
        deployment = null;

        try {
            ZipFile zf = new ZipFile(f);

            Enumeration<ZipArchiveEntry> entries = zf.getEntries();

            while (entries.hasMoreElements()) {
                ZipArchiveEntry entry = entries.nextElement();

                if (entry.getName().equals("deployment.json")) {
                    //System.out.println("crc: " + entry.getCrc());

                    FuncResult<CompositeStruct> pres = CompositeParser.parseJson(zf.getInputStream(entry));

                    if (pres.hasErrors()) {
                        System.out.println("Error reading deployment.json file");
                        break;
                    }

                    deployment = (RecordStruct) pres.getResult();

                    break;
                }
            }

            zf.close();
        } catch (IOException x) {
            System.out.println("Error reading deployment.json file: " + x);
        }

        if (deployment != null) {
            String fndver = deployment.getFieldAsString("Version");
            String fnddependson = deployment.getFieldAsString("DependsOn");

            if (ver.equals(fnddependson)) {
                System.out.println("Found update: " + fndver);
                matchpack = f;
                break;
            }
        }
    }

    if ((matchpack == null) || (deployment == null)) {
        System.out.println("No updates found!");
        return false;
    }

    String fndver = deployment.getFieldAsString("Version");
    String umsg = deployment.getFieldAsString("UpdateMessage");

    if (StringUtil.isNotEmpty(umsg)) {
        System.out.println("========================================================================");
        System.out.println(umsg);
        System.out.println("========================================================================");
    }

    System.out.println();
    System.out.println("Do you want to install?  (y/n)");
    System.out.println();

    String p = scan.nextLine().toLowerCase();

    if (!p.equals("y"))
        return false;

    System.out.println();

    System.out.println("Intalling: " + fndver);

    Set<String> ignorepaths = new HashSet<>();

    ListStruct iplist = deployment.getFieldAsList("IgnorePaths");

    if (iplist != null) {
        for (Struct df : iplist.getItems())
            ignorepaths.add(df.toString());
    }

    ListStruct dflist = deployment.getFieldAsList("DeleteFiles");

    // deleting
    if (dflist != null) {
        for (Struct df : dflist.getItems()) {
            Path delpath = Paths.get(".", df.toString());

            if (Files.exists(delpath)) {
                System.out.println("Deleting: " + delpath.toAbsolutePath());

                try {
                    Files.delete(delpath);
                } catch (IOException x) {
                    System.out.println("Unable to Delete: " + x);
                }
            }
        }
    }

    // copying updates

    System.out.println("Checking for updated files: ");

    try {
        @SuppressWarnings("resource")
        ZipFile zf = new ZipFile(matchpack);

        Enumeration<ZipArchiveEntry> entries = zf.getEntries();

        while (entries.hasMoreElements()) {
            ZipArchiveEntry entry = entries.nextElement();

            String entryname = entry.getName().replace('\\', '/');
            boolean xfnd = false;

            for (String exculde : ignorepaths)
                if (entryname.startsWith(exculde)) {
                    xfnd = true;
                    break;
                }

            if (xfnd)
                continue;

            System.out.print(".");

            Path localpath = Paths.get(".", entryname);

            if (entry.isDirectory()) {
                if (!Files.exists(localpath))
                    Files.createDirectories(localpath);
            } else {
                boolean hashmatch = false;

                if (Files.exists(localpath)) {
                    String local = null;
                    String update = null;

                    try (InputStream lin = Files.newInputStream(localpath)) {
                        local = HashUtil.getMd5(lin);
                    }

                    try (InputStream uin = zf.getInputStream(entry)) {
                        update = HashUtil.getMd5(uin);
                    }

                    hashmatch = (StringUtil.isNotEmpty(local) && StringUtil.isNotEmpty(update)
                            && local.equals(update));
                }

                if (!hashmatch) {
                    System.out.print("[" + entryname + "]");

                    try (InputStream uin = zf.getInputStream(entry)) {
                        Files.createDirectories(localpath.getParent());

                        Files.copy(uin, localpath, StandardCopyOption.REPLACE_EXISTING);
                    } catch (Exception x) {
                        System.out.println("Error updating: " + entryname + " - " + x);
                        return false;
                    }
                }
            }
        }

        zf.close();
    } catch (IOException x) {
        System.out.println("Error reading update package: " + x);
    }

    // updating local config
    deployed.setField("Version", fndver);

    OperationResult svres = Updater.saveDeployed(deployed);

    if (svres.hasErrors()) {
        System.out.println("Intalled: " + fndver
                + " but could not update deployed.json.  Repair the file before continuing.\nError: "
                + svres.getMessage());
        return false;
    }

    System.out.println("Intalled: " + fndver);

    return true;
}

From source file:com.mirth.connect.util.ArchiveUtils.java

/**
 * Extracts folders/files from a zip archive using zip-optimized code from commons-compress.
 *//* w w  w. j a  va2  s .c o m*/
private static void extractZipArchive(File archiveFile, File destinationFolder) throws CompressException {
    ZipFile zipFile = null;

    try {
        zipFile = new ZipFile(archiveFile);
        Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();
        ZipArchiveEntry entry = null;
        byte[] buffer = new byte[BUFFER_SIZE];

        for (; entries.hasMoreElements(); entry = entries.nextElement()) {
            File outputFile = new File(
                    destinationFolder.getAbsolutePath() + IOUtils.DIR_SEPARATOR + entry.getName());

            if (entry.isDirectory()) {
                FileUtils.forceMkdir(outputFile);
            } else {
                InputStream inputStream = zipFile.getInputStream(entry);
                OutputStream outputStream = FileUtils.openOutputStream(outputFile);

                try {
                    IOUtils.copyLarge(inputStream, outputStream, buffer);
                } finally {
                    IOUtils.closeQuietly(inputStream);
                    IOUtils.closeQuietly(outputStream);
                }
            }
        }
    } catch (Exception e) {
        throw new CompressException(e);
    } finally {
        ZipFile.closeQuietly(zipFile);
    }
}

From source file:abfab3d.io.input.ModelLoader.java

private static void unzipEntry(ZipFile zipFile, ZipArchiveEntry entry, File dest) throws IOException {

    if (entry.isDirectory()) {
        createDir(new File(dest, entry.getName()));
        return;//from w w  w.  jav a 2s . c  o m
    }

    File outputFile = new File(dest, entry.getName());
    if (!outputFile.getParentFile().exists()) {
        createDir(outputFile.getParentFile());
    }

    BufferedInputStream inputStream = new BufferedInputStream(zipFile.getInputStream(entry));
    BufferedOutputStream outputStream = new BufferedOutputStream(new FileOutputStream(outputFile));

    try {
        IOUtils.copy(inputStream, outputStream);
    } finally {
        if (outputStream != null)
            outputStream.close();
        if (inputStream != null)
            inputStream.close();
    }
}

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

/**
 * zip?/*w w  w  .j  av  a  2s  .c om*/
 *
 * @param zipFile
 * @param path
 * @param destFolder
 * @throws IOException
 */
public static File extractZipFileToFolder(File zipFile, String path, File destFolder) {
    ZipFile zip;
    File destFile = null;
    try {
        zip = new ZipFile(zipFile);
        ZipArchiveEntry zipArchiveEntry = zip.getEntry(path);
        if (null != zipArchiveEntry) {
            String name = zipArchiveEntry.getName();
            name = FilenameUtils.getName(name);
            destFile = new File(destFolder, name);
            destFolder.mkdirs();
            destFile.createNewFile();
            InputStream is = zip.getInputStream(zipArchiveEntry);
            FileOutputStream fos = new FileOutputStream(destFile);
            int length = 0;
            byte[] b = new byte[1024];
            while ((length = is.read(b, 0, 1024)) != -1) {
                fos.write(b, 0, length);
            }
            is.close();
            fos.close();
        }
        if (null != zip)
            ZipFile.closeQuietly(zip);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return destFile;
}

From source file:com.hw.util.CompressUtils.java

private static void unzipFolder(File uncompressFile, File descPathFile, boolean override) {

    ZipFile zipFile = null;
    try {//from www. j  a v a  2s  . c om
        zipFile = new ZipFile(uncompressFile, "GBK");

        Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();
        while (entries.hasMoreElements()) {
            ZipArchiveEntry zipEntry = entries.nextElement();
            String name = zipEntry.getName();
            name = name.replace("\\", "/");

            File currentFile = new File(descPathFile, name);

            //? 
            if (currentFile.isFile() && currentFile.exists() && !override) {
                continue;
            }

            if (name.endsWith("/")) {
                currentFile.mkdirs();
                continue;
            } else {
                currentFile.getParentFile().mkdirs();
            }

            FileOutputStream fos = null;
            try {
                fos = new FileOutputStream(currentFile);
                InputStream is = zipFile.getInputStream(zipEntry);
                IOUtils.copy(is, fos);
            } finally {
                IOUtils.closeQuietly(fos);
            }
        }
    } catch (IOException e) {
        throw new RuntimeException("", e);
    } finally {
        if (zipFile != null) {
            try {
                zipFile.close();
            } catch (IOException e) {
            }
        }
    }

}

From source file:com.daphne.es.maintain.editor.web.controller.utils.CompressUtils.java

@SuppressWarnings("unchecked")
private static void unzipFolder(File uncompressFile, File descPathFile, boolean override) {

    ZipFile zipFile = null;
    try {/*from ww w  .  ja va 2  s. c om*/
        zipFile = new ZipFile(uncompressFile, "GBK");

        Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();
        while (entries.hasMoreElements()) {
            ZipArchiveEntry zipEntry = entries.nextElement();
            String name = zipEntry.getName();
            name = name.replace("\\", "/");

            File currentFile = new File(descPathFile, name);

            //? 
            if (currentFile.isFile() && currentFile.exists() && !override) {
                continue;
            }

            if (name.endsWith("/")) {
                currentFile.mkdirs();
                continue;
            } else {
                currentFile.getParentFile().mkdirs();
            }

            FileOutputStream fos = null;
            try {
                fos = new FileOutputStream(currentFile);
                InputStream is = zipFile.getInputStream(zipEntry);
                IOUtils.copy(is, fos);
            } finally {
                IOUtils.closeQuietly(fos);
            }
        }
    } catch (IOException e) {
        throw new RuntimeException("", e);
    } finally {
        if (zipFile != null) {
            try {
                zipFile.close();
            } catch (IOException e) {
            }
        }
    }

}

From source file:com.google.dart.tools.update.core.internal.UpdateUtils.java

/**
 * Unzip a zip file, notifying the given monitor along the way.
 *//* w ww .ja v  a 2  s. c o m*/
public static void unzip(File zipFile, File destination, String taskName, IProgressMonitor monitor)
        throws IOException {

    ZipFile zip = new ZipFile(zipFile);

    //TODO (pquitslund): add real progress units
    if (monitor != null) {
        monitor.beginTask(taskName, 1);
    }

    Enumeration<ZipArchiveEntry> e = zip.getEntries();
    while (e.hasMoreElements()) {
        ZipArchiveEntry entry = e.nextElement();
        File file = new File(destination, entry.getName());
        if (entry.isDirectory()) {
            file.mkdirs();
        } else {
            InputStream is = zip.getInputStream(entry);

            File parent = file.getParentFile();
            if (parent != null && parent.exists() == false) {
                parent.mkdirs();
            }

            FileOutputStream os = new FileOutputStream(file);
            try {
                IOUtils.copy(is, os);
            } finally {
                os.close();
                is.close();
            }
            file.setLastModified(entry.getTime());

            int mode = entry.getUnixMode();

            if ((mode & EXEC_MASK) != 0) {
                file.setExecutable(true);
            }

        }
    }

    //TODO (pquitslund): fix progress units
    if (monitor != null) {
        monitor.worked(1);
        monitor.done();
    }

}

From source file:com.taobao.android.builder.tools.zip.ZipUtils.java

/**
 * zip?//from  w  w w. j a  va 2 s.c  o  m
 *
 * @param zipFile
 * @param path
 * @param destFolder
 * @throws java.io.IOException
 */
public static File extractZipFileToFolder(File zipFile, String path, File destFolder) {
    ZipFile zip;
    File destFile = null;
    try {
        zip = new ZipFile(zipFile);
        ZipArchiveEntry zipArchiveEntry = zip.getEntry(path);
        if (null != zipArchiveEntry) {
            String name = zipArchiveEntry.getName();
            name = FilenameUtils.getName(name);
            destFile = new File(destFolder, name);
            FileMkUtils.mkdirs(destFolder);
            destFile.createNewFile();
            InputStream is = zip.getInputStream(zipArchiveEntry);
            FileOutputStream fos = new FileOutputStream(destFile);
            int length = 0;
            byte[] b = new byte[1024];
            while ((length = is.read(b, 0, 1024)) != -1) {
                fos.write(b, 0, length);
            }
            is.close();
            fos.close();
        }
        if (null != zip) {
            ZipFile.closeQuietly(zip);
        }
    } catch (IOException e) {
        throw new GradleException(e.getMessage(), e);
    }
    return destFile;
}

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

/**
 * <p>//from   ww  w  .j a  va2  s. c  o  m
 * unzip.
 * </p>
 *
 * @param zipFile     a {@link File} object.
 * @param destination a {@link String} object.
 * @param encoding    a {@link String} object.
 * @return a {@link List} object.
 */
public static List<String> unzip(final File zipFile, final String destination, String encoding) {
    List<String> fileNames = new ArrayList<String>();
    String dest = destination;
    if (!destination.endsWith("/")) {
        dest = destination + "/";
    }
    ZipFile file;
    try {
        file = null;
        if (null == encoding)
            file = new ZipFile(zipFile);
        else
            file = new ZipFile(zipFile, encoding);
        Enumeration<ZipArchiveEntry> en = file.getEntries();
        ZipArchiveEntry ze = null;
        while (en.hasMoreElements()) {
            ze = en.nextElement();
            File f = new File(dest, ze.getName());
            if (ze.isDirectory()) {
                f.mkdirs();
                continue;
            } else {
                f.getParentFile().mkdirs();
                InputStream is = file.getInputStream(ze);
                OutputStream os = new FileOutputStream(f);
                IOUtils.copy(is, os);
                is.close();
                os.close();
                fileNames.add(f.getAbsolutePath());
            }
        }
        file.close();
    } catch (IOException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
    return fileNames;
}

From source file:edu.ur.ir.ir_import.service.DefaultZipHelper.java

/**
 * Extracts the entry from the specified zip file.
 * //from   w ww.  j av  a  2s.co m
 * @param File f - file to write the data to
 * @param entry - entry to extract from the zip file
 * @param zip - zip file 
 * 
 */
public void getZipEntry(File f, ZipArchiveEntry entry, ZipFile zip) {
    InputStream content = null;
    OutputStream outStream = null;
    OutputStream out = null;

    try {
        content = zip.getInputStream(entry);
        byte[] fileBytes = new byte[1024];

        outStream = new FileOutputStream(f);
        out = new BufferedOutputStream(outStream);
        int amountRead = 0;
        while ((amountRead = content.read(fileBytes)) != -1) {
            out.write(fileBytes, 0, amountRead);
        }
        out.flush();
    } catch (Exception e) {
        log.error(e);
        errorEmailService.sendError(e);
    } finally {
        if (content != null) {
            try {
                content.close();
            } catch (IOException e) {
                log.error(e);
            }
        }

        if (out != null) {
            try {
                out.close();
            } catch (IOException e) {
                log.error(e);
            }
        }

        if (outStream != null) {
            try {
                outStream.close();
            } catch (IOException e) {
                log.error(e);
            }
        }
    }

}