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.apache.torque.generator.configuration.JarConfigurationProvider.java

/**
 * Extracts the outlet configuration files from a jar file.
 * @param jarFile the jar file to process, not null.
 * @param outletConfigurationDirectory the name of the directory
 *        which contains the outlet configuration files. Cannot be
 *        a composite path like parent/child.
 * @return a set with the names of all outlet configuration files
 *         contained in the jar file./*  w w w .java  2s .c o  m*/
 * @throws NullPointerException if jarFile
 *         or outletConfigurationDirectory is null
 */
static Collection<String> getOutletConfigurationNames(JarFile jarFile, String outletConfigurationDirectory) {
    if (log.isDebugEnabled()) {
        log.debug("Analyzing jar file " + jarFile.getName() + " seeking Directory "
                + outletConfigurationDirectory);
    }

    List<String> result = new ArrayList<String>();

    Enumeration<JarEntry> entries = jarFile.entries();
    while (entries.hasMoreElements()) {
        JarEntry jarEntry = entries.nextElement();
        if (jarEntry.isDirectory()) {
            continue;
        }
        String rawName = jarEntry.getName();
        if (!rawName.startsWith(outletConfigurationDirectory)) {
            continue;
        }
        String name = rawName.substring(rawName.lastIndexOf('/') + 1);

        int expectedRawNameLength = outletConfigurationDirectory.length() + name.length() + 1;
        if (rawName.length() != expectedRawNameLength) {
            // file is in a subdirectory of outletConfigurationSubdir,
            // we only consider files directly in
            // outletConfigurationSubdir
            continue;
        }
        result.add(name);
    }
    if (log.isDebugEnabled()) {
        log.debug("Found the following outlet configuration files " + result);
    }
    return result;
}

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From source file:org.msec.rpc.ClassUtils.java

/**
 * package?Class//  w w w .  j a v  a2  s.c om
 * 
 * @param pack
 * @return
 */
public static void loadClasses(String pack) {
    // ?
    boolean recursive = true;
    // ??? ?
    String packageName = pack;
    String packageDirName = packageName.replace('.', '/');
    // ? ??things
    Enumeration<URL> dirs;
    try {
        dirs = Thread.currentThread().getContextClassLoader().getResources(packageDirName);
        // 
        while (dirs.hasMoreElements()) {
            // ?
            URL url = dirs.nextElement();
            // ????
            String protocol = url.getProtocol();
            // ???
            if ("file".equals(protocol)) {
                // ??
                String filePath = URLDecoder.decode(url.getFile(), "UTF-8");
                // ??? ?
                findAndAddClassesInPackageByFile(packageName, filePath, recursive);
            } else if ("jar".equals(protocol)) {
                // jar
                // JarFile
                JarFile jar;
                try {
                    // ?jar
                    jar = ((JarURLConnection) url.openConnection()).getJarFile();
                    // jar 
                    Enumeration<JarEntry> entries = jar.entries();
                    // ?
                    while (entries.hasMoreElements()) {
                        // ?jar ? jar META-INF
                        JarEntry entry = entries.nextElement();
                        String name = entry.getName();
                        // /
                        if (name.charAt(0) == '/') {
                            // ???
                            name = name.substring(1);
                        }
                        // ?????
                        if (name.startsWith(packageDirName)) {
                            int idx = name.lastIndexOf('/');
                            // "/" 
                            if (idx != -1) {
                                // ??? "/"??"."
                                packageName = name.substring(0, idx).replace('/', '.');
                            }
                            // ? 
                            if ((idx != -1) || recursive) {
                                // .class ?
                                if (name.endsWith(".class") && !entry.isDirectory()) {
                                    // ??".class" ???
                                    String className = name.substring(packageName.length() + 1,
                                            name.length() - 6);
                                    try {
                                        // classes
                                        Class.forName(packageName + '.' + className);
                                    } catch (ClassNotFoundException e) {
                                        // log
                                        // .error(" ?.class");
                                        e.printStackTrace();
                                    }
                                }
                            }
                        }
                    }
                } catch (IOException e) {
                    // log.error("??jar?");
                    e.printStackTrace();
                }
            }
        }
    } catch (Throwable e) {
        e.printStackTrace();
    }
}

---

From source file:com.magnet.tools.tests.MagnetToolStepDefs.java

@Then("^the jar \"([^\"]*)\" should not contain any matches for:$")
public static void and_the_jar_should_not_contain_any_matches_for(String file, List<String> patterns)
        throws Throwable {
    the_file_should_exist(file);//from   w ww  . j  a  va 2  s .  co  m
    JarFile jarFile = null;
    try {
        jarFile = new JarFile(file);
        Enumeration<JarEntry> jarEntryEnumeration = jarFile.entries();
        StringBuilder matchList = new StringBuilder();
        JarEntry currentEntry;
        while (jarEntryEnumeration.hasMoreElements()) {
            currentEntry = jarEntryEnumeration.nextElement();
            for (String pattern : patterns) {
                if (currentEntry.getName().matches(pattern)) {
                    matchList.append(currentEntry.getName());
                    matchList.append("\n");
                }
            }
        }
        String matchedStrings = matchList.toString();
        Assert.assertTrue("The jar " + file + "contained\n" + matchedStrings, matchedStrings.isEmpty());

    } finally {
        if (null != jarFile) {
            try {
                jarFile.close();
            } catch (Exception e) {
                /* do nothing */ }
        }
    }
}

---

From source file:org.orbisgis.core.plugin.BundleTools.java

private static void parseJar(File jarFilePath, Set<String> packages) throws IOException {
    JarFile jar = new JarFile(jarFilePath);
    Enumeration<? extends JarEntry> entryEnum = jar.entries();
    while (entryEnum.hasMoreElements()) {
        JarEntry entry = entryEnum.nextElement();
        if (!entry.isDirectory()) {
            final String path = entry.getName();
            if (path.endsWith(".class")) {
                // Extract folder
                String parentPath = (new File(path)).getParent();
                if (parentPath != null) {
                    packages.add(parentPath.replace(File.separator, "."));
                }/*from w w w.ja  va 2 s .  c o m*/
            }
        }
    }
}

---

From source file:org.jahia.utils.PomUtils.java

public static File extractPomFromJar(JarFile jar, String groupId, String artifactId) throws IOException {
    // deploy artifacts to Maven distribution server
    Enumeration<JarEntry> jarEntries = jar.entries();
    JarEntry jarEntry = null;//from w w w .  j  a v a  2s.  com
    boolean found = false;
    while (jarEntries.hasMoreElements()) {
        jarEntry = jarEntries.nextElement();
        String name = jarEntry.getName();
        if (StringUtils.startsWith(name,
                groupId != null ? ("META-INF/maven/" + groupId + "/") : "META-INF/maven/")
                && StringUtils.endsWith(name, artifactId + "/pom.xml")) {
            found = true;
            break;
        }
    }
    if (!found) {
        throw new IOException("unable to find pom.xml file within while looking for " + artifactId);
    }
    InputStream is = jar.getInputStream(jarEntry);
    File pomFile = File.createTempFile("pom", ".xml");
    FileUtils.copyInputStreamToFile(is, pomFile);
    return pomFile;
}

---

From source file:org.infoglue.deliver.portal.deploy.Deploy.java

private static int expandArchive(File warFile, File destDir) throws IOException {
    int numEntries = 0;

    if (!destDir.exists()) {
        destDir.mkdirs();//from ww w  .ja v  a2 s.c  o m
    }
    JarFile jarFile = new JarFile(warFile);
    Enumeration files = jarFile.entries();
    while (files.hasMoreElements()) {
        JarEntry entry = (JarEntry) files.nextElement();
        String fileName = entry.getName();

        File file = new File(destDir, fileName);
        File dirF = new File(file.getParent());
        dirF.mkdirs();

        if (entry.isDirectory()) {
            file.mkdirs();
        } else {
            InputStream fis = jarFile.getInputStream(entry);
            FileOutputStream fos = new FileOutputStream(file);
            copyStream(fis, fos);
            fos.close();
        }
        numEntries++;
    }
    return numEntries;
}

---

From source file:org.wisdom.maven.utils.WebJars.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.//from  w ww.java2 s .  co m
 * @return {@literal true} if it's a bundle, {@literal false} otherwise.
 */
public static boolean isWebJar(File file) {
    Set<String> 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(WEBJAR_LOCATION) == null) {
                return false;
            }

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

        for (String lib : found) {
            LoggerFactory.getLogger(DependencyCopy.class).info("Web Library found in {} : {}", file.getName(),
                    lib);
        }

        return !found.isEmpty();
    }

    return false;
}

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From source file:net.technicpack.launchercore.util.ZipUtils.java

public static void copyMinecraftJar(File minecraft, File output) throws IOException {
    String[] security = { "MOJANG_C.DSA", "MOJANG_C.SF", "CODESIGN.RSA", "CODESIGN.SF" };
    JarFile jarFile = new JarFile(minecraft);
    try {/*from w  ww.ja v a 2s .c  o  m*/
        String fileName = jarFile.getName();
        String fileNameLastPart = fileName.substring(fileName.lastIndexOf(File.separator));

        JarOutputStream jos = new JarOutputStream(new FileOutputStream(output));
        Enumeration<JarEntry> entries = jarFile.entries();

        while (entries.hasMoreElements()) {
            JarEntry entry = entries.nextElement();
            if (containsAny(entry.getName(), security)) {
                continue;
            }
            InputStream is = jarFile.getInputStream(entry);

            //jos.putNextEntry(entry);
            //create a new entry to avoid ZipException: invalid entry compressed size
            jos.putNextEntry(new JarEntry(entry.getName()));
            byte[] buffer = new byte[4096];
            int bytesRead = 0;
            while ((bytesRead = is.read(buffer)) != -1) {
                jos.write(buffer, 0, bytesRead);
            }
            is.close();
            jos.flush();
            jos.closeEntry();
        }
        jos.close();
    } finally {
        jarFile.close();
    }

}

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From source file:com.elastica.helper.FileUtility.java

public static void extractJar(final String storeLocation, final Class<?> clz) throws IOException {
    File firefoxProfile = new File(storeLocation);
    String location = clz.getProtectionDomain().getCodeSource().getLocation().getFile();

    JarFile jar = new JarFile(location);
    System.out.println("Extracting jar file::: " + location);
    firefoxProfile.mkdir();/*from   w  w  w  .  j  a  v  a  2s.  c  o m*/

    Enumeration<?> jarFiles = jar.entries();
    while (jarFiles.hasMoreElements()) {
        ZipEntry entry = (ZipEntry) jarFiles.nextElement();
        String currentEntry = entry.getName();
        File destinationFile = new File(storeLocation, currentEntry);
        File destinationParent = destinationFile.getParentFile();

        // create the parent directory structure if required
        destinationParent.mkdirs();
        if (!entry.isDirectory()) {
            BufferedInputStream is = new BufferedInputStream(jar.getInputStream(entry));
            int currentByte;

            // buffer for writing file
            byte[] data = new byte[BUFFER];

            // write the current file to disk
            FileOutputStream fos = new FileOutputStream(destinationFile);
            BufferedOutputStream destination = new BufferedOutputStream(fos, BUFFER);

            // read and write till last byte
            while ((currentByte = is.read(data, 0, BUFFER)) != -1) {
                destination.write(data, 0, currentByte);
            }

            destination.flush();
            destination.close();
            is.close();
        }
    }

    FileUtils.deleteDirectory(new File(storeLocation + "\\META-INF"));
    if (OSUtility.isWindows()) {
        new File(storeLocation + "\\" + clz.getCanonicalName().replaceAll("\\.", "\\\\") + ".class").delete();
    } else {
        new File(storeLocation + "/" + clz.getCanonicalName().replaceAll("\\.", "/") + ".class").delete();
    }
}

---

From source file:com.arcusys.liferay.vaadinplugin.util.ControlPanelPortletUtil.java

private static String getPomVaadinVersion(JarFile jarFile) {
    try {/*from   w w w. j  a v a  2 s  .c o m*/
        JarEntry pomEntry = null;

        // find pom.xml file in META-INF/maven and sub folders
        Enumeration<JarEntry> enumerator = jarFile.entries();
        while (enumerator.hasMoreElements()) {
            JarEntry entry = enumerator.nextElement();
            if (entry.getName().startsWith("META-INF/maven/") && entry.getName().endsWith("/pom.xml")) {
                pomEntry = entry;
                break;
            }
        }

        // read project version from pom.xml
        if (pomEntry != null) {
            Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder()
                    .parse(jarFile.getInputStream(pomEntry));
            NodeList children = document.getDocumentElement().getChildNodes();
            for (int i = 0; i < children.getLength(); i++) {
                Node node = children.item(i + 1);
                if (node.getNodeName().equals("version")) {
                    return node.getTextContent();
                }
            }
        }
        return null;
    } catch (Exception exception) {
        return null;
    }
}

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