Example usage for java.util.jar JarFile entries

Introduction

In this page you can find the example usage for java.util.jar JarFile entries.

Prototype

public Enumeration<JarEntry> entries() 

Source Link

Document

Returns an enumeration of the jar file entries.

Usage

From source file:org.kse.crypto.jcepolicy.JcePolicyUtil.java

/**
 * Get a JCE policy's details.//  w ww  .  ja  v  a 2  s  .c  om
 *
 * @param jcePolicy
 *            JCE policy
 * @return Policy details
 * @throws CryptoException
 *             If there was a problem getting the policy details
 */
public static String getPolicyDetails(JcePolicy jcePolicy) throws CryptoException {
    JarFile jarFile = null;
    try {
        StringWriter sw = new StringWriter();

        File file = getJarFile(jcePolicy);

        // if there is no policy file at all, return empty string
        if (!file.exists()) {
            return "";
        }

        jarFile = new JarFile(file);

        Enumeration<JarEntry> jarEntries = jarFile.entries();

        while (jarEntries.hasMoreElements()) {
            JarEntry jarEntry = jarEntries.nextElement();

            String entryName = jarEntry.getName();

            if (!jarEntry.isDirectory() && entryName.endsWith(".policy")) {
                sw.write(entryName + ":\n\n");

                InputStreamReader isr = null;
                try {
                    isr = new InputStreamReader(jarFile.getInputStream(jarEntry));
                    CopyUtil.copy(isr, sw);
                } finally {
                    IOUtils.closeQuietly(isr);
                }

                sw.write('\n');
            }
        }

        return sw.toString();
    } catch (IOException ex) {
        throw new CryptoException(
                MessageFormat.format(res.getString("NoGetPolicyDetails.exception.message"), jcePolicy), ex);
    } finally {
        IOUtils.closeQuietly(jarFile);
    }
}

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From source file:com.zb.jcseg.core.JcsegTaskConfig.java

public static void unJar(JarFile jar, File toDir) throws IOException {
    try {/*from   ww w .  j  a va  2  s  . c  o  m*/
        Enumeration<JarEntry> entries = jar.entries();
        while (entries.hasMoreElements()) {
            JarEntry entry = (JarEntry) entries.nextElement();
            if (!entry.isDirectory()) {
                InputStream in = jar.getInputStream(entry);
                try {
                    File file = new File(toDir, entry.getName());
                    if (!file.getParentFile().mkdirs()) {
                        if (!file.getParentFile().isDirectory()) {
                            throw new IOException("Mkdirs failed to create " + file.getParentFile().toString());
                        }
                    }
                    OutputStream out = new FileOutputStream(file);
                    try {
                        byte[] buffer = new byte[8192];
                        int i;
                        while ((i = in.read(buffer)) != -1) {
                            out.write(buffer, 0, i);
                        }
                    } finally {
                        out.close();
                    }
                } finally {
                    in.close();
                }
            }
        }
    } finally {
        jar.close();
    }
}

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From source file:org.wisdom.resources.WebJarDeployer.java

/**
 * Checks whether the given file is a WebJar or not (http://www.webjars.org/documentation).
 * The check is based on the presence of {@literal META-INF/resources/webjars/} directory in the jar file.
 *
 * @param file the file./*ww w . j  a  v a2 s. co  m*/
 * @return the set of libraries found in the file, {@code null} if none.
 */
public static Set<DetectedWebJar> isWebJar(File file) {
    Set<DetectedWebJar> found = new LinkedHashSet<>();
    if (file.isFile() && file.getName().endsWith(".jar")) {
        JarFile jar = null;
        try {
            jar = new JarFile(file);

            // Fast return if the base structure is not there
            if (jar.getEntry(WebJarController.WEBJAR_LOCATION) == null) {
                return null;
            }

            Enumeration<JarEntry> entries = jar.entries();
            while (entries.hasMoreElements()) {
                JarEntry entry = entries.nextElement();
                Matcher matcher = WebJarController.WEBJAR_REGEX.matcher(entry.getName());
                if (matcher.matches()) {
                    found.add(new DetectedWebJar(matcher.group(1), matcher.group(2), entry.getName(), file));
                }
            }
        } catch (IOException e) {
            LOGGER.error("Cannot check if the file {} is a webjar, " + "cannot open it", file.getName(), e);
            return null;
        } finally {
            final JarFile finalJar = jar;
            IOUtils.closeQuietly(new Closeable() {
                @Override
                public void close() throws IOException {
                    if (finalJar != null) {
                        finalJar.close();
                    }
                }
            });
        }

        for (DetectedWebJar lib : found) {
            LOGGER.info("Web Library found in {} : {}", file.getName(), lib.id);
        }

        return found;
    }

    return null;
}

---

From source file:edu.uci.ics.asterix.event.service.AsterixEventServiceUtil.java

private static void replaceInJar(File sourceJar, String origFile, File replacementFile) throws IOException {
    String srcJarAbsPath = sourceJar.getAbsolutePath();
    String srcJarSuffix = srcJarAbsPath.substring(srcJarAbsPath.lastIndexOf(File.separator) + 1);
    String srcJarName = srcJarSuffix.split(".jar")[0];

    String destJarName = srcJarName + "-managix";
    String destJarSuffix = destJarName + ".jar";
    File destJar = new File(sourceJar.getParentFile().getAbsolutePath() + File.separator + destJarSuffix);
    //  File destJar = new File(sourceJar.getAbsolutePath() + ".modified");
    JarFile sourceJarFile = new JarFile(sourceJar);
    Enumeration<JarEntry> entries = sourceJarFile.entries();
    JarOutputStream jos = new JarOutputStream(new FileOutputStream(destJar));
    byte[] buffer = new byte[2048];
    int read;/*  ww  w  . j a  v  a2 s  .c  om*/
    while (entries.hasMoreElements()) {
        JarEntry entry = (JarEntry) entries.nextElement();
        String name = entry.getName();
        if (name.equals(origFile)) {
            continue;
        }
        InputStream jarIs = sourceJarFile.getInputStream(entry);
        jos.putNextEntry(entry);
        while ((read = jarIs.read(buffer)) != -1) {
            jos.write(buffer, 0, read);
        }
        jarIs.close();
    }
    sourceJarFile.close();
    JarEntry entry = new JarEntry(origFile);
    jos.putNextEntry(entry);
    FileInputStream fis = new FileInputStream(replacementFile);
    while ((read = fis.read(buffer)) != -1) {
        jos.write(buffer, 0, read);
    }
    fis.close();
    jos.close();
    sourceJar.delete();
    destJar.renameTo(sourceJar);
    destJar.setExecutable(true);
}

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From source file:org.wso2.carbon.automation.test.utils.common.FileManager.java

public static void copyJarFile(File sourceFile, String destinationDirectory) throws IOException {
    File destinationFileDirectory = new File(destinationDirectory);
    JarFile jarFile = new JarFile(sourceFile);
    String fileName = jarFile.getName();
    String fileNameLastPart = fileName.substring(fileName.lastIndexOf(File.separator));
    File destinationFile = new File(destinationFileDirectory, fileNameLastPart);
    JarOutputStream jarOutputStream = null;
    try {//from  ww  w. j  av a2s.  c o  m
        jarOutputStream = new JarOutputStream(new FileOutputStream(destinationFile));
        Enumeration<JarEntry> entries = jarFile.entries();
        while (entries.hasMoreElements()) {
            JarEntry jarEntry = entries.nextElement();
            InputStream inputStream = jarFile.getInputStream(jarEntry);
            //jarOutputStream.putNextEntry(jarEntry);
            //create a new jarEntry to avoid ZipException: invalid jarEntry compressed size
            jarOutputStream.putNextEntry(new JarEntry(jarEntry.getName()));
            byte[] buffer = new byte[4096];
            int bytesRead = 0;
            while ((bytesRead = inputStream.read(buffer)) != -1) {
                jarOutputStream.write(buffer, 0, bytesRead);
            }
            inputStream.close();
            jarOutputStream.flush();
            jarOutputStream.closeEntry();
        }
    } finally {
        if (jarOutputStream != null) {
            try {
                jarOutputStream.close();
            } catch (IOException e) {
            }
        }
    }
}

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From source file:com.taobao.android.builder.tools.proguard.AtlasProguardHelper.java

public static Set<String> getClassList(List<File> files) throws IOException {
    Set<String> sets = new HashSet<>();
    for (File file : files) {

        JarFile jarFile = new JarFile(file);
        Enumeration<JarEntry> entryEnumeration = jarFile.entries();

        while (entryEnumeration.hasMoreElements()) {
            JarEntry jarEntry = entryEnumeration.nextElement();
            if (null == jarEntry) {
                continue;
            }/*from  ww  w.j av  a  2  s.c  o m*/
            String name = jarEntry.getName();
            if (name.endsWith(".class")) {
                name = name.substring(0, name.length() - 6);
                sets.add(name);
            }
        }
    }
    return sets;
}

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From source file:org.wso2.esb.integration.common.utils.common.FileManager.java

public static void copyJarFile(File sourceFile, String destinationDirectory) throws IOException {
    File destinationFileDirectory = new File(destinationDirectory);
    JarFile jarFile = new JarFile(sourceFile);
    String fileName = jarFile.getName();
    String fileNameLastPart = fileName.substring(fileName.lastIndexOf(File.separator));
    File destinationFile = new File(destinationFileDirectory, fileNameLastPart);
    JarOutputStream jarOutputStream = null;
    try {//from   w w  w.  j  a  va2  s . c  o  m
        jarOutputStream = new JarOutputStream(new FileOutputStream(destinationFile));
        Enumeration<JarEntry> entries = jarFile.entries();

        while (entries.hasMoreElements()) {
            JarEntry jarEntry = entries.nextElement();
            InputStream inputStream = jarFile.getInputStream(jarEntry);

            //jarOutputStream.putNextEntry(jarEntry);
            //create a new jarEntry to avoid ZipException: invalid jarEntry compressed size
            jarOutputStream.putNextEntry(new JarEntry(jarEntry.getName()));
            byte[] buffer = new byte[4096];
            int bytesRead = 0;
            while ((bytesRead = inputStream.read(buffer)) != -1) {
                jarOutputStream.write(buffer, 0, bytesRead);
            }
            inputStream.close();
            jarOutputStream.flush();
            jarOutputStream.closeEntry();
        }
    } finally {
        if (jarOutputStream != null) {
            try {
                jarOutputStream.close();
            } catch (IOException e) {

            }
        }
    }

}

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From source file:net.ymate.platform.commons.util.ClassUtils.java

/**
 * ? Jar .class??'$'??Java"com/ymatesoft/common/A.class"~"com.ymatesoft.common.A"
 * //from ww w  .j av  a  2 s . c o m
 * @param collections
 * @param clazz
 * @param packageName
 * @param jarFile
 * @param callingClass
 */
@SuppressWarnings("unchecked")
protected static <T> void __doFindClassByJar(Collection<Class<T>> collections, Class<T> clazz,
        String packageName, JarFile jarFile, Class<?> callingClass) {
    Enumeration<JarEntry> _entriesEnum = jarFile.entries();
    for (; _entriesEnum.hasMoreElements();) {
        JarEntry _entry = _entriesEnum.nextElement();
        // ??? '/'  '.'?.class???'$'??
        String _className = _entry.getName().replaceAll("/", ".");
        if (_className.endsWith(".class") && _className.indexOf('$') < 0) {
            if (_className.startsWith(packageName)) {
                Class<?> _class = null;
                try {
                    _class = ResourceUtils.loadClass(_className.substring(0, _className.lastIndexOf('.')),
                            callingClass);
                    if (_class != null) {
                        if (clazz.isAnnotation()) {
                            if (isAnnotationOf(_class, (Class<Annotation>) clazz)) {
                                collections.add((Class<T>) _class);
                            }
                        } else if (clazz.isInterface()) {
                            if (isInterfaceOf(_class, clazz)) {
                                collections.add((Class<T>) _class);
                            }
                        } else if (isSubclassOf(_class, clazz)) {
                            collections.add((Class<T>) _class);
                        }
                    }
                } catch (NoClassDefFoundError e) {
                    _LOG.warn("", RuntimeUtils.unwrapThrow(e));
                } catch (ClassNotFoundException e) {
                    _LOG.warn("", RuntimeUtils.unwrapThrow(e));
                }
            }
        }
    }
}

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From source file:org.colombbus.tangara.FileUtils.java

public static int extractJar(File jar, File directory) {
    JarEntry entry = null;//  www.  j av  a2s  .  c o  m
    File currentFile = null;
    BufferedInputStream input = null;
    JarFile jarFile = null;
    int filesCount = 0;
    try {
        jarFile = new JarFile(jar);
        Enumeration<JarEntry> entries = jarFile.entries();

        while (entries.hasMoreElements()) {
            entry = entries.nextElement();
            currentFile = new File(directory, entry.getName());
            if (entry.isDirectory()) {
                currentFile.mkdir();
            } else {
                currentFile.createNewFile();
                input = new BufferedInputStream(jarFile.getInputStream(entry));
                copyFile(input, currentFile);
                input.close();
                filesCount++;
            }
        }
    } catch (IOException e) {
        LOG.error("Error extracting JAR file " + jar.getAbsolutePath(), e);
    } finally {
        try {
            if (input != null) {
                input.close();
            }
            if (jarFile != null) {
                jarFile.close();
            }
        } catch (IOException e) {
        }
    }
    return filesCount;
}

---

From source file:org.wso2.carbon.integration.common.utils.FileManager.java

public static void copyJarFile(File sourceFile, String destinationDirectory) throws IOException {
    File destinationFileDirectory = new File(destinationDirectory);
    JarFile jarFile = new JarFile(sourceFile);
    String fileName = jarFile.getName();
    String fileNameLastPart = fileName.substring(fileName.lastIndexOf(File.separator));
    File destinationFile = new File(destinationFileDirectory, fileNameLastPart);
    JarOutputStream jarOutputStream = null;
    try {//from   w  w  w  .j  av a2s.c  o m
        jarOutputStream = new JarOutputStream(new FileOutputStream(destinationFile));
        Enumeration<JarEntry> entries = jarFile.entries();
        while (entries.hasMoreElements()) {
            JarEntry jarEntry = entries.nextElement();
            InputStream inputStream = jarFile.getInputStream(jarEntry);
            //jarOutputStream.putNextEntry(jarEntry);
            //create a new jarEntry to avoid ZipException: invalid jarEntry compressed size
            jarOutputStream.putNextEntry(new JarEntry(jarEntry.getName()));
            byte[] buffer = new byte[4096];
            int bytesRead = 0;
            while ((bytesRead = inputStream.read(buffer)) != -1) {
                jarOutputStream.write(buffer, 0, bytesRead);
            }
            inputStream.close();
            jarOutputStream.flush();
            jarOutputStream.closeEntry();
        }
    } finally {
        if (jarOutputStream != null) {
            try {
                jarOutputStream.close();
            } catch (IOException e) {
                //ignore
            }
        }
    }
}

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