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.openmrs.module.ModuleUtil.java

/**
 * Expand the given <code>fileToExpand</code> jar to the <code>tmpModuleFile</code> directory
 *
 * If <code>name</code> is null, the entire jar is expanded. If<code>name</code> is not null,
 * then only that path/file is expanded.
 *
 * @param fileToExpand file pointing at a .jar
 * @param tmpModuleDir directory in which to place the files
 * @param name filename inside of the jar to look for and expand
 * @param keepFullPath if true, will recreate entire directory structure in tmpModuleDir
 *            relating to <code>name</code>. if false will start directory structure at
 *            <code>name</code>
 *//* w  w w  .ja v  a 2s.  co m*/
public static void expandJar(File fileToExpand, File tmpModuleDir, String name, boolean keepFullPath)
        throws IOException {
    JarFile jarFile = null;
    InputStream input = null;
    String docBase = tmpModuleDir.getAbsolutePath();
    try {
        jarFile = new JarFile(fileToExpand);
        Enumeration<JarEntry> jarEntries = jarFile.entries();
        boolean foundName = (name == null);

        // loop over all of the elements looking for the match to 'name'
        while (jarEntries.hasMoreElements()) {
            JarEntry jarEntry = jarEntries.nextElement();
            if (name == null || jarEntry.getName().startsWith(name)) {
                String entryName = jarEntry.getName();
                // trim out the name path from the name of the new file
                if (!keepFullPath && name != null) {
                    entryName = entryName.replaceFirst(name, "");
                }

                // if it has a slash, it's in a directory
                int last = entryName.lastIndexOf('/');
                if (last >= 0) {
                    File parent = new File(docBase, entryName.substring(0, last));
                    parent.mkdirs();
                    log.debug("Creating parent dirs: " + parent.getAbsolutePath());
                }
                // we don't want to "expand" directories or empty names
                if (entryName.endsWith("/") || "".equals(entryName)) {
                    continue;
                }
                input = jarFile.getInputStream(jarEntry);
                expand(input, docBase, entryName);
                input.close();
                input = null;
                foundName = true;
            }
        }
        if (!foundName) {
            log.debug("Unable to find: " + name + " in file " + fileToExpand.getAbsolutePath());
        }

    } catch (IOException e) {
        log.warn("Unable to delete tmpModuleFile on error", e);
        throw e;
    } finally {
        try {
            input.close();
        } catch (Exception e) {
            /* pass */}
        try {
            jarFile.close();
        } catch (Exception e) {
            /* pass */}
    }
}

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From source file:org.wso2.carbon.mss.examples.petstore.security.ldap.server.ApacheDirectoryServerActivator.java

private void copyResources() throws IOException, EmbeddingLDAPException {

    final File jarFile = new File(
            this.getClass().getProtectionDomain().getCodeSource().getLocation().getPath());

    final String repositoryDirectory = "repository";
    final File destinationRoot = new File(getCarbonHome());

    //Check whether ladap configs are already configured
    File repository = new File(getCarbonHome() + File.separator + repositoryDirectory);

    if (!repository.exists()) {
        JarFile jar = null;

        try {//w w  w. ja v  a  2 s .  com
            jar = new JarFile(jarFile);

            final Enumeration<JarEntry> entries = jar.entries(); //gives ALL entries in jar

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

                // Skip if the entry is not about the 'repository' directory.
                if (!entry.getName().startsWith(repositoryDirectory)) {
                    continue;
                }

                // If the entry is a directory create the relevant directory in the destination.
                File destination = new File(destinationRoot, entry.getName());
                if (entry.isDirectory()) {
                    if (destination.mkdirs()) {
                        continue;
                    }
                }

                InputStream in = null;
                OutputStream out = null;

                try {
                    // If the entry is a file, copy the file to the destination
                    in = jar.getInputStream(entry);
                    out = new FileOutputStream(destination);
                    IOUtils.copy(in, out);
                    IOUtils.closeQuietly(in);
                } finally {
                    if (out != null) {
                        out.close();
                    }
                    if (in != null) {
                        in.close();
                    }
                }
            }
        } finally {
            if (jar != null) {
                jar.close();

            }
        }
    }
}

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From source file:net.ymate.platform.core.beans.impl.DefaultBeanLoader.java

private List<Class<?>> __doFindClassByJar(String packageName, JarFile jarFile, IBeanFilter filter)
        throws Exception {
    List<Class<?>> _returnValue = new ArrayList<Class<?>>();
    if (!__doCheckExculedFile(new File(jarFile.getName()).getName())) {
        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)) {
                    _className = _className.substring(0, _className.lastIndexOf('.'));
                    Class<?> _class = __doLoadClass(_className);
                    __doAddClass(_returnValue, _class, filter);
                }/*ww  w. j  a  v a2s  .c  o m*/
            }
        }
    }
    return _returnValue;
}

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From source file:org.apache.hadoop.hbase.util.CoprocessorClassLoader.java

private void init(Path path, String pathPrefix, Configuration conf) throws IOException {
    // Copy the jar to the local filesystem
    String parentDirStr = conf.get(LOCAL_DIR_KEY, DEFAULT_LOCAL_DIR) + TMP_JARS_DIR;
    synchronized (parentDirLockSet) {
        if (!parentDirLockSet.contains(parentDirStr)) {
            Path parentDir = new Path(parentDirStr);
            FileSystem fs = FileSystem.getLocal(conf);
            fs.delete(parentDir, true); // it's ok if the dir doesn't exist now
            parentDirLockSet.add(parentDirStr);
            if (!fs.mkdirs(parentDir) && !fs.getFileStatus(parentDir).isDirectory()) {
                throw new RuntimeException("Failed to create local dir " + parentDirStr
                        + ", CoprocessorClassLoader failed to init");
            }/*from www  .j av  a 2s  . c  o  m*/
        }
    }

    FileSystem fs = path.getFileSystem(conf);
    File dst = new File(parentDirStr,
            "." + pathPrefix + "." + path.getName() + "." + System.currentTimeMillis() + ".jar");
    fs.copyToLocalFile(path, new Path(dst.toString()));
    dst.deleteOnExit();

    addURL(dst.getCanonicalFile().toURI().toURL());

    JarFile jarFile = new JarFile(dst.toString());
    try {
        Enumeration<JarEntry> entries = jarFile.entries();
        while (entries.hasMoreElements()) {
            JarEntry entry = entries.nextElement();
            Matcher m = libJarPattern.matcher(entry.getName());
            if (m.matches()) {
                File file = new File(parentDirStr, "." + pathPrefix + "." + path.getName() + "."
                        + System.currentTimeMillis() + "." + m.group(1));
                IOUtils.copyBytes(jarFile.getInputStream(entry), new FileOutputStream(file), conf, true);
                file.deleteOnExit();
                addURL(file.toURI().toURL());
            }
        }
    } finally {
        jarFile.close();
    }
}

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From source file:adept.io.Reader.java

/**
 * List directory contents for a resource folder. Not recursive.
 * This is basically a brute-force implementation.
 * Works for regular files and also JARs.
 *
 * @param clazz Any java class that lives in the same place as the resources you want.
 * @param path  Should end with "/", but not start with one.
 * @return Just the name of each member item, not the full paths.
 * @throws URISyntaxException the uRI syntax exception
 * @throws IOException        Signals that an I/O exception has occurred.
 * @author Greg Briggs/*from w ww. j  a v a2 s .  com*/
 */
public static String[] getResourceListing(Class clazz, String path) throws URISyntaxException, IOException {

    URL dirURL = clazz.getClassLoader().getResource(path);
    if (dirURL != null && dirURL.getProtocol().equals("file")) {
        /* A file path: easy enough */
        return new File(dirURL.toURI()).list();
    }

    if (dirURL == null) {
        /* 
         * In case of a jar file, we can't actually find a directory.
         * Have to assume the same jar as clazz.
         */
        String me = clazz.getName().replace(".", "/") + ".class";
        dirURL = clazz.getClassLoader().getResource(me);
    }

    if (dirURL.getProtocol().equals("jar")) {
        /* A JAR path */
        String jarPath = dirURL.getPath().substring(5, dirURL.getPath().indexOf("!")); //strip out only the JAR file
        JarFile jar = new JarFile(URLDecoder.decode(jarPath, "UTF-8"));
        Enumeration<JarEntry> entries = jar.entries(); //gives ALL entries in jar
        Set<String> result = new HashSet<String>(); //avoid duplicates in case it is a subdirectory
        while (entries.hasMoreElements()) {
            String name = entries.nextElement().getName();
            if (name.startsWith(path)) { //filter according to the path
                String entry = name.substring(path.length());
                int checkSubdir = entry.indexOf("/");
                if (checkSubdir >= 0) {
                    // if it is a subdirectory, we just return the directory name
                    entry = entry.substring(0, checkSubdir);
                }
                result.add(entry);
            }
        }
        return result.toArray(new String[result.size()]);
    }

    throw new UnsupportedOperationException("Cannot list files for URL " + dirURL);
}

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From source file:org.commonjava.web.test.fixture.JarKnockouts.java

public void rewriteJar(final File source, final File targetDir) throws IOException {
    targetDir.mkdirs();//from   w w  w  . jav a 2  s . com
    final File target = new File(targetDir, source.getName());

    JarFile in = null;
    JarOutputStream out = null;
    try {
        in = new JarFile(source);

        final BufferedOutputStream fos = new BufferedOutputStream(new FileOutputStream(target));
        out = new JarOutputStream(fos, in.getManifest());

        final Enumeration<JarEntry> entries = in.entries();
        while (entries.hasMoreElements()) {
            final JarEntry entry = entries.nextElement();
            if (!knockout(entry.getName())) {
                final InputStream stream = in.getInputStream(entry);
                out.putNextEntry(entry);
                copy(stream, out);
                out.closeEntry();
            }
        }
    } finally {
        closeQuietly(out);
        if (in != null) {
            try {
                in.close();
            } catch (final IOException e) {
            }
        }
    }
}

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From source file:com.eucalyptus.simpleworkflow.common.client.WorkflowClientStandalone.java

private void processJar(File f) throws Exception {
    final JarFile jar = new JarFile(f);
    final Properties props = new Properties();
    final List<JarEntry> jarList = Collections.list(jar.entries());
    LOG.trace("-> Trying to load component info from " + f.getAbsolutePath());
    for (final JarEntry j : jarList) {
        try {// www .j  ava 2 s .  co m
            if (j.getName().matches(".*\\.class.{0,1}")) {
                handleClassFile(f, j);
            }
        } catch (RuntimeException ex) {
            LOG.error(ex, ex);
            jar.close();
            throw ex;
        }
    }
    jar.close();
}

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From source file:org.dbmaintain.script.repository.impl.ArchiveScriptLocation.java

protected SortedSet<Script> loadScriptsFromJar(final JarFile jarFile, String subPath) {
    SortedSet<Script> scripts = new TreeSet<Script>();
    for (Enumeration<JarEntry> jarEntries = jarFile.entries(); jarEntries.hasMoreElements();) {
        final JarEntry jarEntry = jarEntries.nextElement();
        String fileName = jarEntry.getName();
        if (LOCATION_PROPERTIES_FILENAME.equals(fileName) || !isScriptFileName(fileName)) {
            continue;
        }//from  w  w w  .j a v  a 2  s . c  om

        String relativeScriptName = jarEntry.getName();
        if (subPath != null) {
            if (!fileName.startsWith(subPath)) {
                continue;
            }
            relativeScriptName = relativeScriptName.substring(subPath.length());
        }
        ScriptContentHandle scriptContentHandle = new ScriptContentHandle(scriptEncoding,
                ignoreCarriageReturnsWhenCalculatingCheckSum) {
            @Override
            protected InputStream getScriptInputStream() {
                try {
                    return jarFile.getInputStream(jarEntry);
                } catch (IOException e) {
                    throw new DbMaintainException("Error while reading jar entry " + jarEntry, e);
                }
            }
        };
        Long fileLastModifiedAt = jarEntry.getTime();
        Script script = scriptFactory.createScriptWithContent(relativeScriptName, fileLastModifiedAt,
                scriptContentHandle);
        scripts.add(script);
    }
    return scripts;
}

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From source file:ClassSearchUtils.java

/**
 * Search archive files for required resource.
 * @param archive Jar or zip to be searched for classes or other resources.
 *///from ww  w. j ava  2s .  c o  m
private void lookInArchive(File archive) {
    log.fine("Looking in archive [" + archive.getName() + "] for extension [" + this.extension + "].");
    JarFile jarFile = null;
    try {
        jarFile = new JarFile(archive);
    } catch (IOException e) {
        log.warning("Non fatal error. Unable to read jar item.");
        return;
    }
    Enumeration entries = jarFile.entries();
    JarEntry entry;
    String entryName;
    while (entries.hasMoreElements()) {
        entry = (JarEntry) entries.nextElement();
        entryName = entry.getName();
        if (entryName.toLowerCase().endsWith(this.extension)) {
            try {
                if (this.extension.equalsIgnoreCase(".class")) {
                    // convert name into java classloader notation
                    entryName = entryName.substring(0, entryName.length() - 6);
                    entryName = entryName.replace('/', '.');

                    // filter ignored resources
                    if (!entryName.startsWith(this.prefix)) {
                        continue;
                    }

                    log.fine("Found class: [" + entryName + "]. ");
                    this.list.add(Class.forName(entryName));
                } else {
                    this.list.add(this.classloader.getResource(entryName));
                    log.fine("Found appropriate resource with name [" + entryName + "]. Resource instance:"
                            + this.classloader.getResource(entryName));
                }
            } catch (Throwable e) {
                // ignore
                log.warning("Unable to load resource [" + entryName + "] form file ["
                        + archive.getAbsolutePath() + "].");
            }
        }
    }
}

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From source file:org.apache.maven.plugin.cxx.GenerateMojo.java

protected Map<String, String> listResourceFolderContent(String path, Map valuesMap) {
    String location = getClass().getProtectionDomain().getCodeSource().getLocation().getPath();
    final File jarFile = new File(location);

    HashMap<String, String> resources = new HashMap<String, String>();
    StrSubstitutor substitutor = new StrSubstitutor(valuesMap);

    path = (StringUtils.isEmpty(path)) ? "" : path + "/";
    getLog().debug("listResourceFolderContent : " + location + ", sublocation : " + path);
    if (jarFile.isFile()) {
        getLog().debug("listResourceFolderContent : jar case");
        try {//from  w ww  .  ja  va 2 s .c  o m
            final JarFile jar = new JarFile(jarFile);
            final Enumeration<JarEntry> entries = jar.entries();
            while (entries.hasMoreElements()) {
                final String name = entries.nextElement().getName();
                if (name.startsWith(path)) {
                    String resourceFile = File.separator + name;
                    if (!(resourceFile.endsWith("/") || resourceFile.endsWith("\\"))) {
                        getLog().debug("resource entry = " + resourceFile);
                        String destFile = substitutor.replace(resourceFile);
                        getLog().debug("become entry = " + destFile);
                        resources.put(resourceFile, destFile);
                    }
                }
            }
            jar.close();
        } catch (IOException ex) {
            getLog().error("unable to list jar content : " + ex);
        }
    } else {
        getLog().debug("listResourceFolderContent : file case");
        //final URL url = Launcher.class.getResource("/" + path);
        final URL url = getClass().getResource("/" + path);
        if (url != null) {
            try {
                final File names = new File(url.toURI());
                Collection<File> entries = FileUtils.listFiles(names, TrueFileFilter.INSTANCE,
                        TrueFileFilter.INSTANCE);
                for (File name : entries) {
                    String resourceFile = name.getPath();
                    if (!(resourceFile.endsWith("/") || resourceFile.endsWith("\\"))) {
                        getLog().debug("resource entry = " + resourceFile);
                        String destFile = substitutor.replace(resourceFile);
                        destFile = destFile.replaceFirst(Pattern.quote(location), "/");
                        getLog().debug("become entry = " + destFile);
                        resources.put(resourceFile, destFile);
                    }
                }
            } catch (URISyntaxException ex) {
                // never happens
            }
        }
    }
    return resources;
}

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