Example usage for java.util.zip ZipFile entries

List of usage examples for java.util.zip ZipFile entries

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Introduction

In this page you can find the example usage for java.util.zip ZipFile entries.

Prototype

public Enumeration<? extends ZipEntry> entries()

Source Link

Document

Returns an enumeration of the ZIP file entries.

Usage

From source file:com.android.tradefed.util.FileUtil.java

/**
 * Utility method to extract entire contents of zip file into given
 * directory/*from  w  w  w. j a v a2 s  .co  m*/
 *
 * @param zipFile
 *            the {@link ZipFile} to extract
 * @param destDir
 *            the local dir to extract file to
 * @throws IOException
 *             if failed to extract file
 */
public static void extractZip(ZipFile zipFile, File destDir) throws IOException {
    Enumeration<? extends ZipEntry> entries = zipFile.entries();
    while (entries.hasMoreElements()) {

        ZipEntry entry = entries.nextElement();
        File childFile = new File(destDir, entry.getName());
        childFile.getParentFile().mkdirs();
        if (entry.isDirectory()) {
            continue;
        } else {
            FileUtil.writeToFile(zipFile.getInputStream(entry), childFile);
        }
    }
}

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  ww.j  a v  a2 s.c  o m*/
    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.stanford.epadd.launcher.Splash.java

private static void copyResourcesRecursively(String sourceDirectory, String writeDirectory) throws IOException {
    final URL dirURL = ePADD.class.getClassLoader().getResource(sourceDirectory);
    //final String path = sourceDirectory.substring( 1 );

    if ((dirURL != null) && dirURL.getProtocol().equals("jar")) {
        final JarURLConnection jarConnection = (JarURLConnection) dirURL.openConnection();
        //System.out.println( "jarConnection is " + jarConnection );

        final ZipFile jar = jarConnection.getJarFile();

        final Enumeration<? extends ZipEntry> entries = jar.entries(); // gives ALL entries in jar

        while (entries.hasMoreElements()) {
            final ZipEntry entry = entries.nextElement();
            final String name = entry.getName();
            // System.out.println( name );
            if (!name.startsWith(sourceDirectory)) {
                // entry in wrong subdir -- don't copy
                continue;
            }//from  w w w  .ja va 2 s . c  om
            final String entryTail = name.substring(sourceDirectory.length());

            final File f = new File(writeDirectory + File.separator + entryTail);
            if (entry.isDirectory()) {
                // if its a directory, create it
                final boolean bMade = f.mkdir();
                System.out.println((bMade ? "  creating " : "  unable to create ") + name);
            } else {
                System.out.println("  writing  " + name);
                final InputStream is = jar.getInputStream(entry);
                final OutputStream os = new BufferedOutputStream(new FileOutputStream(f));
                final byte buffer[] = new byte[4096];
                int readCount;
                // write contents of 'is' to 'os'
                while ((readCount = is.read(buffer)) > 0) {
                    os.write(buffer, 0, readCount);
                }
                os.close();
                is.close();
            }
        }

    } else if (dirURL == null) {
        throw new IllegalStateException("can't find " + sourceDirectory + " on the classpath");
    } else {
        // not a "jar" protocol URL
        throw new IllegalStateException("don't know how to handle extracting from " + dirURL);
    }
}

From source file:JarResource.java

private List<String> load(File jarFile) throws IOException {
    List<String> jarContents = new ArrayList<String>();
    try {/*  w  w  w .  ja  v a  2  s.  c o  m*/
        ZipFile zf = new ZipFile(jarFile);
        for (Enumeration e = zf.entries(); e.hasMoreElements();) {
            ZipEntry ze = (ZipEntry) e.nextElement();
            if (ze.isDirectory()) {
                continue;
            }
            jarContents.add(ze.getName());
        }
    } catch (NullPointerException e) {
        System.out.println("done.");
    } catch (ZipException ze) {
        ze.printStackTrace();
    }
    return jarContents;
}

From source file:com.l2jfree.gameserver.script.ScriptPackage.java

/**
 * @param scriptFiles The scriptFiles to set.
 *///from  ww  w  .j  a v a  2s.  c o m
private void addFiles(ZipFile pack) {
    for (Enumeration<? extends ZipEntry> e = pack.entries(); e.hasMoreElements();) {
        ZipEntry entry = e.nextElement();
        if (entry.getName().endsWith(".xml")) {
            try {
                ScriptDocument newScript = new ScriptDocument(entry.getName(), pack.getInputStream(entry));
                _scriptFiles.add(newScript);
            } catch (IOException e1) {
                _log.error(e1.getMessage(), e1);
            }
        } else if (!entry.isDirectory()) {
            // ignore it
        }
    }
}

From source file:dk.deck.resolver.util.ZipUtils.java

public void unzipArchive(File archive, File outputDir) {
    try {/*  w w  w.j  a  v a 2  s .  c  om*/
        ZipFile zipfile = new ZipFile(archive);
        for (Enumeration e = zipfile.entries(); e.hasMoreElements();) {
            ZipEntry entry = (ZipEntry) e.nextElement();
            unzipEntry(zipfile, entry, outputDir);
        }
        zipfile.close();
    } catch (Exception e) {
        log.error("Error while extracting file " + archive, e);
    }
}

From source file:dk.deck.resolver.util.ZipUtils.java

public List<String> listArchive(File archive) {
    List<String> paths = new ArrayList<String>();
    try {/*w w w.  j  a va2s .  c o m*/
        ZipFile zipfile = new ZipFile(archive);
        for (Enumeration e = zipfile.entries(); e.hasMoreElements();) {
            ZipEntry entry = (ZipEntry) e.nextElement();
            paths.add(entry.getName());
        }
        zipfile.close();
    } catch (Exception e) {
        log.error("Error while extracting file " + archive, e);
    }

    return paths;
}

From source file:com.s2g.pst.resume.importer.UnZipHelper.java

/**
 * Unzip it/*from  w ww. ja  v  a 2  s  . c  o  m*/
 *
 * @param fileName
 * @param outputFolder
 *
 * @throws java.io.FileNotFoundException
 */
public void unZipFolder(String fileName, String outputFolder) throws IOException {

    ZipFile zipFile = new ZipFile(fileName);
    Enumeration<? extends ZipEntry> entries = zipFile.entries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();
        File entryDestination = new File(outputFolder, entry.getName());
        entryDestination.getParentFile().mkdirs();
        if (entry.isDirectory()) {
            //FileHelper fileHelper = new FileHelper();
            //String filename = fileHelper.getUniqueFileName(outputFolder, FilenameUtils.removeExtension(entry.getName()));
            //System.out.println("zip :" + filename);
            //new File(filename).mkdirs();

            entryDestination.mkdirs();

        } else {
            InputStream in = zipFile.getInputStream(entry);
            OutputStream out = new FileOutputStream(entryDestination);
            IOUtils.copy(in, out);
            IOUtils.closeQuietly(in);
            IOUtils.closeQuietly(out);
        }
    }

    zipFile.close();
    this.deleteZipFile(fileName);
    System.out.println("Done");

}

From source file:org.openmrs.module.clinicalsummary.rule.EvaluableSummaryRuleProvider.java

/**
 * @see org.openmrs.logic.rule.provider.RuleProvider#afterStartup()
 *///  w  w  w  .ja v  a2s  .  com
@Override
public void afterStartup() {

    if (log.isDebugEnabled())
        log.debug("Registering clinical summary rules ...");

    try {
        ModuleClassLoader moduleClassLoader = ModuleFactory.getModuleClassLoader(CLINICAL_SUMMARY_MODULE);
        for (URL url : moduleClassLoader.getURLs()) {
            String filename = url.getFile();
            if (StringUtils.contains(filename, CLINICAL_SUMMARY_MODULE_API)) {
                ZipFile zipFile = new ZipFile(filename);
                for (Enumeration list = zipFile.entries(); list.hasMoreElements();) {
                    ZipEntry entry = (ZipEntry) list.nextElement();
                    String zipFileName = FilenameUtils.getBaseName(entry.getName());
                    String zipFileExtension = FilenameUtils.getExtension(entry.getName());
                    if (StringUtils.endsWith(zipFileName, RULE_CLASS_SUFFIX)
                            && StringUtils.equals(zipFileExtension, CLASS_SUFFIX)) {
                        EvaluableRuleVisitor visitor = new EvaluableRuleVisitor();
                        ClassReader classReader = new ClassReader(zipFile.getInputStream(entry));
                        classReader.accept(visitor, false);
                    }
                }
                zipFile.close();
            }
        }
    } catch (IOException e) {
        log.error("Processing rule classes failed. Rule might not get registered.");
    }
}

From source file:org.openmrs.module.amrsreports.rule.MohEvaluableRuleProvider.java

/**
 * @see org.openmrs.logic.rule.provider.RuleProvider#afterStartup()
 *///from ww w .ja v  a 2  s  . c  o m
@Override
public void afterStartup() {

    if (log.isDebugEnabled())
        log.debug("Registering AMRS reports summary rules ...");

    try {
        ModuleClassLoader moduleClassLoader = ModuleFactory.getModuleClassLoader(AMRS_REPORT_MODULE);
        for (URL url : moduleClassLoader.getURLs()) {
            String filename = url.getFile();
            if (StringUtils.contains(filename, AMRS_REPORT_MODULE_API)) {
                ZipFile zipFile = new ZipFile(filename);
                for (Enumeration list = zipFile.entries(); list.hasMoreElements();) {
                    ZipEntry entry = (ZipEntry) list.nextElement();
                    String zipFileName = FilenameUtils.getBaseName(entry.getName());
                    String zipFileExtension = FilenameUtils.getExtension(entry.getName());
                    if (StringUtils.endsWith(zipFileName, RULE_CLASS_SUFFIX)
                            && StringUtils.equals(zipFileExtension, CLASS_SUFFIX)) {
                        MohEvaluableRuleVisitor visitor = new MohEvaluableRuleVisitor();
                        ClassReader classReader = new ClassReader(zipFile.getInputStream(entry));
                        classReader.accept(visitor, false);
                    }
                }
                zipFile.close();
            }
        }
    } catch (IOException e) {
        log.error("Processing rule classes failed. Rule might not get registered.");
    }
}