Example usage for java.util.jar JarInputStream JarInputStream

Introduction

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

Prototype

public JarInputStream(InputStream in) throws IOException 

Source Link

Document

Creates a new JarInputStream and reads the optional manifest.

Usage

From source file:com.jeeframework.util.resource.ResolverUtil.java

/**
 * Finds matching classes within a jar files that contains a folder structure
 * matching the package structure.  If the File is not a JarFile or does not exist a warning
 * will be logged, but no error will be raised.
 *
 * @param test a Test used to filter the classes that are discovered
 * @param parent the parent package under which classes must be in order to be considered
 * @param jarfile the jar file to be examined for classes
 *///from   w  w  w .  ja v a2 s  .c om
private void loadImplementationsInJar(Test test, String parent, File jarfile) {

    try {
        JarEntry entry;
        JarInputStream jarStream = new JarInputStream(new FileInputStream(jarfile));

        while ((entry = jarStream.getNextJarEntry()) != null) {
            String name = entry.getName();
            if (!entry.isDirectory() && name.startsWith(parent) && name.endsWith(".class")) {
                addIfMatching(test, name);
            }
        }
    } catch (IOException ioe) {
        log.error("Could not search jar file '" + jarfile + "' for classes matching criteria: " + test
                + " due to an IOException", ioe);
    }
}

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From source file:de.tobiasroeser.maven.featurebuilder.FeatureBuilder.java

public List<Bundle> scanBundlesAtDir(final String scanJarsAtDir) {
    final File file = new File(scanJarsAtDir);

    final LinkedList<Bundle> bundles = new LinkedList<Bundle>();

    if (!file.exists() || !file.isDirectory()) {
        log.error("Directory '" + file.getAbsolutePath() + "' does not exists.");
        return bundles;
    }//w ww  . ja  v a 2 s.com

    for (final File jar : file.listFiles()) {
        if (jar.isFile() && jar.getName().toLowerCase().endsWith(".jar")) {
            try {
                final JarInputStream jarStream = new JarInputStream(
                        new BufferedInputStream(new FileInputStream(jar)));
                final Manifest manifest = jarStream.getManifest();
                String symbolicName = manifest.getMainAttributes().getValue("Bundle-SymbolicName");
                final String version = manifest.getMainAttributes().getValue("Bundle-Version");
                if (symbolicName != null && version != null) {
                    symbolicName = symbolicName.split(";")[0].trim();
                    final Bundle bundle = new Bundle(symbolicName, version, jar.length(), jar);
                    bundles.add(bundle);
                } else {
                    log.warn("jar '" + jar.getAbsolutePath() + "' is not an OSGi bundle.");
                }

            } catch (final FileNotFoundException e) {
                log.error("Errors while reading the Mainfest of: " + jar, e);
            } catch (final IOException e) {
                log.error("Errors while reading the Mainfest of: " + jar, e);
            }

        }
    }
    log.info("Found " + bundles.size() + " bundles in scanned directory: " + file.getAbsolutePath());

    Collections.sort(bundles);
    return bundles;
}

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From source file:org.getobjects.foundation.NSJavaRuntime.java

private static void getClassNamesFromJarFile(String _jarPath, String _pkg, Set<String> classes_) {
    FileInputStream fos;/*from w  w  w.  j  a va 2  s .com*/
    try {
        fos = new FileInputStream(_jarPath);
    } catch (FileNotFoundException e1) {
        return; // TBD: log
    }

    JarInputStream jarFile;
    try {
        jarFile = new JarInputStream(fos);
    } catch (IOException e) {
        return; // TBD: log
    }

    do {
        JarEntry jarEntry;
        try {
            jarEntry = jarFile.getNextJarEntry();
        } catch (IOException e) {
            jarEntry = null;
        }

        if (jarEntry == null)
            break;

        String className = jarEntry.getName();
        if (!className.endsWith(".class"))
            continue;

        className = stripFilenameExtension(className);
        if (className.startsWith(_pkg))
            classes_.add(className.replace('/', '.'));
    } while (true);

    if (jarFile != null) {
        try {
            jarFile.close();
        } catch (IOException e) {
            // TBD: log?
        }
    }
}

---

From source file:de.tudarmstadt.ukp.dkpro.core.maltparser.MaltParser.java

private String getRealName(URL aUrl) throws IOException {
    JarEntry je = null;//from  www . j  a v a 2 s .  co m
    JarInputStream jis = null;

    try {
        jis = new JarInputStream(aUrl.openConnection().getInputStream());
        while ((je = jis.getNextJarEntry()) != null) {
            String entryName = je.getName();
            if (entryName.endsWith(".info")) {
                int indexUnderScore = entryName.lastIndexOf('_');
                int indexSeparator = entryName.lastIndexOf(File.separator);
                if (indexSeparator == -1) {
                    indexSeparator = entryName.lastIndexOf('/');
                }
                if (indexSeparator == -1) {
                    indexSeparator = entryName.lastIndexOf('\\');
                }
                int indexDot = entryName.lastIndexOf('.');
                if (indexUnderScore == -1 || indexDot == -1) {
                    throw new IllegalStateException(
                            "Could not find the configuration name and type from the URL '" + aUrl.toString()
                                    + "'. ");
                }

                return entryName.substring(indexSeparator + 1, indexUnderScore) + ".mco";
            }
        }

        throw new IllegalStateException(
                "Could not find the configuration name and type from the URL '" + aUrl.toString() + "'. ");
    } finally {
        IOUtils.closeQuietly(jis);
    }
}

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From source file:org.artifactory.maven.MavenModelUtils.java

/**
 * @param file The file from which to try to extract the POM entry from.
 * @return The POM from the JAR in its String representation.
 *//* www.j a  v a  2  s  .  c o m*/
public static String getPomFileAsStringFromJar(File file) {
    JarEntry pomEntry;
    JarInputStream inputStream = null;
    try {
        inputStream = new JarInputStream(new FileInputStream(file));
        pomEntry = getPomFile(inputStream);
        if (pomEntry != null) {
            return IOUtils.toString(inputStream);
        }
    } catch (IOException e) {
        log.warn("Unable to read JAR to extract the POM from it.");
        // If the file has a corrupt file, the following error will be thrown.
        // See java.util.zip.ZipInputStream.getUTF8String()
    } catch (IllegalArgumentException iae) {
        log.warn("Unable to read JAR to extract the POM from it.");
    } finally {
        IOUtils.closeQuietly(inputStream);
    }
    return null;
}

---

From source file:org.phenotips.tool.packager.PackageMojo.java

private void generateConfigurationFiles(File configurationFileTargetDirectory) throws MojoExecutionException {
    String parsedExtension = ".vm";
    getLog().info("Copying Configuration files ...");
    VelocityContext context = createVelocityContext();
    Artifact configurationResourcesArtifact = this.repositorySystem.createArtifact(XWIKI_PLATFORM_GROUPID,
            "xwiki-platform-tool-configuration-resources", this.xwikiVersion, "", TYPE_JAR);
    resolveArtifact(configurationResourcesArtifact);

    configurationFileTargetDirectory.mkdirs();

    try (JarInputStream jarInputStream = new JarInputStream(
            new FileInputStream(configurationResourcesArtifact.getFile()))) {
        JarEntry entry;/*from   w  w  w.  j a  va2  s  . c  om*/
        while ((entry = jarInputStream.getNextJarEntry()) != null) {
            if (entry.getName().endsWith(parsedExtension)) {
                String fileName = entry.getName().replace(parsedExtension, "");
                File outputFile = new File(configurationFileTargetDirectory, fileName);
                OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(outputFile));
                getLog().debug("Writing config file: " + outputFile);
                // Note: Init is done once even if this method is called several times...
                Velocity.init();
                Velocity.evaluate(context, writer, "", IOUtils.toString(jarInputStream));
                writer.close();
                jarInputStream.closeEntry();
            }
        }
    } catch (Exception e) {
        throw new MojoExecutionException("Failed to extract configuration files", e);
    }
}

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From source file:org.talend.updates.runtime.nexus.component.ComponentIndexManager.java

/**
 * //www  .  ja  v  a2  s.c om
 * create one default index bean which based one the component zip file directly.
 * 
 * bundleId, version, mvn_uri are required
 */
public ComponentIndexBean create(File componentZipFile) {
    if (componentZipFile == null || !componentZipFile.exists() || componentZipFile.isDirectory()
            || !componentZipFile.getName().endsWith(FileExtensions.ZIP_FILE_SUFFIX)) {
        return null;
    }

    String name = null;
    String bundleId = null;
    String bundleVersion = null;
    String mvnUri = null;

    ZipFile zipFile = null;
    try {
        zipFile = new ZipFile(componentZipFile);

        Enumeration<ZipEntry> enumeration = (Enumeration<ZipEntry>) zipFile.entries();
        while (enumeration.hasMoreElements()) {
            final ZipEntry zipEntry = enumeration.nextElement();
            String path = zipEntry.getName();
            if (path.endsWith(FileExtensions.JAR_FILE_SUFFIX)) { // is jar
                // if it's bundle, not from other folder, like lib, m2 repository.
                IPath p = new Path(path);
                // must be in plugins
                if (p.segmentCount() > 1
                        && p.removeLastSegments(1).lastSegment().equals(UpdatesHelper.FOLDER_PLUGINS)) {
                    if (UpdatesHelper.isComponentJar(zipFile.getInputStream(zipEntry))) {
                        JarInputStream jarEntryStream = null;
                        try {
                            // must use another stream
                            jarEntryStream = new JarInputStream(zipFile.getInputStream(zipEntry));
                            // find the bundleId and version
                            Manifest manifest = jarEntryStream.getManifest();
                            if (manifest != null) {
                                bundleId = JarMenifestUtil.getBundleSymbolicName(manifest);
                                bundleVersion = JarMenifestUtil.getBundleVersion(manifest);
                            }
                            boolean checkManifest = StringUtils.isBlank(bundleId)
                                    || StringUtils.isBlank(bundleVersion);

                            // find the pom.properties
                            JarEntry jarEntry = null;
                            while ((jarEntry = jarEntryStream.getNextJarEntry()) != null) {
                                final String entryPath = jarEntry.getName();
                                if (checkManifest && JarFile.MANIFEST_NAME.equalsIgnoreCase(entryPath)) {
                                    manifest = new Manifest();
                                    manifest.read(jarEntryStream);
                                    bundleId = JarMenifestUtil.getBundleSymbolicName(manifest);
                                    bundleVersion = JarMenifestUtil.getBundleVersion(manifest);
                                    checkManifest = false;
                                }
                                final Path fullPath = new Path(entryPath);
                                final String fileName = fullPath.lastSegment();

                                /*
                                 * for example,
                                 * META-INF/maven/org.talend.components/components-splunk/pom.properties
                                 */
                                if (fileName.equals("pom.properties") //$NON-NLS-1$
                                        && entryPath.contains("META-INF/maven/")) { //$NON-NLS-1$

                                    // FIXME, didn't find one way to read the inner jar
                                    // final InputStream propStream = jarFile.getInputStream(jarEntry);
                                    // if (propStream != null) {
                                    // Properties pomProp = new Properties();
                                    // pomProp.load(propStream);
                                    //
                                    // String version = pomProp.getProperty("version"); //$NON-NLS-1$
                                    // String groupId = pomProp.getProperty("groupId"); //$NON-NLS-1$
                                    // String artifactId = pomProp.getProperty("artifactId"); //$NON-NLS-1$
                                    // mvnUri = MavenUrlHelper.generateMvnUrl(groupId, artifactId, version,
                                    // FileExtensions.ZIP_FILE_SUFFIX, null);
                                    //
                                    // propStream.close();
                                    // }

                                    // FIXME, try the path way
                                    // META-INF/maven/org.talend.components/components-splunk
                                    IPath tmpMavenPath = fullPath.removeLastSegments(1);
                                    String artifactId = tmpMavenPath.lastSegment(); // components-splunk
                                    // META-INF/maven/org.talend.components
                                    tmpMavenPath = tmpMavenPath.removeLastSegments(1);
                                    String groupId = tmpMavenPath.lastSegment(); // org.talend.components

                                    mvnUri = MavenUrlHelper.generateMvnUrl(groupId, artifactId, bundleVersion,
                                            FileExtensions.ZIP_EXTENSION, null);

                                } else
                                /*
                                 * /OSGI-INF/installer$$splunk.xml
                                 */
                                if (fileName.endsWith(FileExtensions.XML_FILE_SUFFIX)
                                        && fileName.startsWith(UpdatesHelper.NEW_COMPONENT_PREFIX)
                                        && entryPath.contains(UpdatesHelper.FOLDER_OSGI_INF + '/')) {
                                    name = fullPath.removeFileExtension().lastSegment();
                                    name = name.substring(name.indexOf(UpdatesHelper.NEW_COMPONENT_PREFIX)
                                            + UpdatesHelper.NEW_COMPONENT_PREFIX.length());
                                }
                            }
                        } catch (IOException e) {
                            //
                        } finally {
                            try {
                                if (jarEntryStream != null) {
                                    jarEntryStream.close();
                                }
                            } catch (IOException e) {
                                //
                            }
                        }

                    }
                }
            }
        }

    } catch (ZipException e) {
        if (CommonsPlugin.isDebugMode()) {
            ExceptionHandler.process(e);
        }
    } catch (IOException e) {
        if (CommonsPlugin.isDebugMode()) {
            ExceptionHandler.process(e);
        }
    } finally {
        if (zipFile != null) {
            try {
                zipFile.close();
            } catch (IOException e) {
                //
            }
        }
    }
    // set the required
    if (name != null && bundleId != null && bundleVersion != null && mvnUri != null) {
        final ComponentIndexBean indexBean = new ComponentIndexBean();
        final boolean set = indexBean.setRequiredFieldsValue(name, bundleId, bundleVersion, mvnUri);
        indexBean.setValue(ComponentIndexNames.types,
                PathUtils.convert2StringTypes(Arrays.asList(Type.TCOMP_V0)));
        if (set) {
            return indexBean;
        }
    }
    return null;
}

---

From source file:org.ngrinder.common.util.CompressionUtil.java

/**
 * Unpack the given jar file.//from w ww .  j  a v  a  2 s  .  c o  m
 * 
 * @param jarFile
 *            file to be uncompressed
 * @param destDir
 *            destination directory
 * @throws IOException
 *             occurs when IO has a problem.
 */
public static void unjar(File jarFile, String destDir) throws IOException {
    File dest = new File(destDir);
    if (!dest.exists()) {
        dest.mkdirs();
    }
    if (!dest.isDirectory()) {
        LOGGER.error("Destination must be a directory.");
        throw new IOException("Destination must be a directory.");
    }
    JarInputStream jin = new JarInputStream(new FileInputStream(jarFile));
    byte[] buffer = new byte[1024];

    ZipEntry entry = jin.getNextEntry();
    while (entry != null) {
        String fileName = entry.getName();
        if (fileName.charAt(fileName.length() - 1) == '/') {
            fileName = fileName.substring(0, fileName.length() - 1);
        }
        if (fileName.charAt(0) == '/') {
            fileName = fileName.substring(1);
        }
        if (File.separatorChar != '/') {
            fileName = fileName.replace('/', File.separatorChar);
        }
        File file = new File(dest, fileName);
        if (entry.isDirectory()) {
            // make sure the directory exists
            file.mkdirs();
            jin.closeEntry();
        } else {
            // make sure the directory exists
            File parent = file.getParentFile();
            if (parent != null && !parent.exists()) {
                parent.mkdirs();
            }

            // dump the file
            OutputStream out = new FileOutputStream(file);
            int len = 0;
            while ((len = jin.read(buffer, 0, buffer.length)) != -1) {
                out.write(buffer, 0, len);
            }
            out.flush();
            IOUtils.closeQuietly(out);
            jin.closeEntry();
            file.setLastModified(entry.getTime());
        }
        entry = jin.getNextEntry();
    }
    Manifest mf = jin.getManifest();
    if (mf != null) {
        File file = new File(dest, "META-INF/MANIFEST.MF");
        File parent = file.getParentFile();
        if (!parent.exists()) {
            parent.mkdirs();
        }
        OutputStream out = new FileOutputStream(file);
        mf.write(out);
        out.flush();
        IOUtils.closeQuietly(out);
    }
    IOUtils.closeQuietly(jin);
}

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From source file:com.opensymphony.xwork2.util.finder.DefaultClassFinder.java

private List<String> jar(URL location) throws IOException {
    URL url = fileManager.normalizeToFileProtocol(location);
    if (url != null) {
        InputStream in = url.openStream();
        try {//w w  w. j  av  a2s  .  co  m
            JarInputStream jarStream = new JarInputStream(in);
            return jar(jarStream);
        } finally {
            in.close();
        }
    } else {
        LOG.debug("Unable to read [{}]", location.toExternalForm());
    }
    return Collections.emptyList();
}

---

From source file:com.hortonworks.streamline.streams.runtime.splitjoin.SplitJoinTest.java

private JarInputStream createJarInputStream(String... classNames) throws Exception {

    final File tempFile = Files.createTempFile(UUID.randomUUID().toString(), ".jar").toFile();
    tempFile.deleteOnExit();/*from w ww  .  j a v a 2  s.  c  om*/

    try (JarOutputStream jarOutputStream = new JarOutputStream(new FileOutputStream(tempFile))) {
        for (String className : classNames) {
            final String classFileName = className.replace(".", "/") + ".class";
            try (InputStream classInputStream = this.getClass().getResourceAsStream("/" + classFileName)) {
                jarOutputStream.putNextEntry(new JarEntry(classFileName));
                IOUtils.copy(classInputStream, jarOutputStream);
            }
        }
    }

    return new JarInputStream(new FileInputStream(tempFile));
}

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