Example usage for java.util.jar JarFile close

Introduction

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

Prototype

public void close() throws IOException 

Source Link

Document

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Usage

From source file:org.nuxeo.osgi.application.loader.FrameworkLoader.java

protected static boolean isBundle(File f) {
    Manifest mf;/*  w  ww.  jav a 2 s. com*/
    try {
        if (f.isFile()) { // jar file
            JarFile jf = new JarFile(f);
            try {
                mf = jf.getManifest();
            } finally {
                jf.close();
            }
            if (mf == null) {
                return false;
            }
        } else if (f.isDirectory()) { // directory
            f = new File(f, "META-INF/MANIFEST.MF");
            if (!f.isFile()) {
                return false;
            }
            mf = new Manifest();
            FileInputStream input = new FileInputStream(f);
            try {
                mf.read(input);
            } finally {
                input.close();
            }
        } else {
            return false;
        }
    } catch (IOException e) {
        return false;
    }
    return mf.getMainAttributes().containsKey(SYMBOLIC_NAME);
}

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From source file:org.rhq.core.clientapi.descriptor.AgentPluginDescriptorUtil.java

/**
 * Obtains the manifest of the plugin file represented by the given deployment info.
 * Use this method rather than calling deploymentInfo.getManifest()
 * (workaround for https://jira.jboss.org/jira/browse/JBAS-6266).
 *
 * @param pluginFile the plugin file/*from  w w w  . ja v a 2  s  .co m*/
 * @return the deployed plugin's manifest
 */
private static Manifest getManifest(File pluginFile) {
    try {
        JarFile jarFile = new JarFile(pluginFile);
        try {
            Manifest manifest = jarFile.getManifest();
            return manifest;
        } finally {
            jarFile.close();
        }
    } catch (Exception ignored) {
        return null; // this is OK, it just means we do not have a manifest
    }
}

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From source file:org.jboss.tools.central.internal.ImageUtil.java

/**
 * Creates an image from an {@link URL}.
 * If the iconUrl points at a jar file, the created image doesn't not leak file handle. 
 *///from  w w w  . j  a  v a  2  s.c om
public static Image createImageFromUrl(Device device, URL iconUrl) {

    if (!iconUrl.getProtocol().equals("jar")) {
        ImageDescriptor descriptor = ImageDescriptor.createFromURL(iconUrl);
        return descriptor.createImage();
    }

    //Load from jar:
    Image image = null;
    try {
        String fileName = iconUrl.getFile();
        if (fileName.contains("!")) {
            String[] location = fileName.split("!");
            fileName = location[0];
            String imageName = URLDecoder.decode(location[1].substring(1), "utf-8");
            File file = new File(new URI(fileName));
            JarFile jarFile = null;
            InputStream inputStream = null;
            try {
                jarFile = new JarFile(file);
                ZipEntry imageEntry = jarFile.getEntry(imageName);
                if (imageEntry != null) {
                    inputStream = jarFile.getInputStream(imageEntry);
                    image = new Image(device, inputStream);
                }
            } finally {
                IOUtils.closeQuietly(inputStream);
                try {
                    if (jarFile != null) {
                        jarFile.close();
                    }
                } catch (Exception e) {
                    //ignore
                }
            }
        }
    } catch (Exception e) {
        JBossCentralActivator.log(e);
    }

    return image;
}

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

public static void copyFilesInTempDirectory() {
    try {/*w ww .j a v a  2s.  c  o  m*/
        // Creation of a temp directory
        tempDirectory = FileUtils.createTempDirectory();
        Configuration conf = Configuration.instance();
        StringTokenizer resources = new StringTokenizer(conf.getProperty("program.resources"), ",");
        String resource = null;

        JarFile jarFile = new JarFile(conf.getTangaraPath());

        while (resources.hasMoreTokens()) {
            resource = resources.nextToken();
            ZipEntry entry = jarFile.getEntry(RESOURCES_DIRECTORY + resource);
            if (entry == null) {
                jarFile.close();
                throw new Exception("Resource '" + resource + "' not found");
            }
            BufferedInputStream input = new BufferedInputStream(jarFile.getInputStream(entry));
            File destinationFile = new File(tempDirectory, resource);
            destinationFile.createNewFile();
            FileUtils.copyFile(input, destinationFile);
        }
    } catch (Exception e) {
        LOG.error("error while copying program files: ", e);
    }
}

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From source file:org.jahia.utils.maven.plugin.jarscan.JarsToSkipListMojo.java

private static boolean hasTLDFiles(File file) throws IOException {
    String name = file.getName();
    if (!file.isFile() || !name.endsWith(".jar")) {
        return false;
    }//from  w w  w  .jav  a2s  . co m

    boolean tldPresent = false;
    JarFile jar = null;
    try {
        jar = new JarFile(file);
        Enumeration<JarEntry> entries = jar.entries();
        while (entries.hasMoreElements()) {
            String entry = entries.nextElement().getName();
            if (entry != null && entry.startsWith("META-INF/") && entry.endsWith(".tld")) {
                tldPresent = true;
                break;
            }
        }
    } finally {
        if (jar != null) {
            try {
                jar.close();
            } catch (Exception e) {
                // ignore
            }
        }
    }

    return tldPresent;
}

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

public static String getPortalVaadinJarVersion(String jarPath) throws IOException {
    JarFile jarFile = new JarFile(jarPath);
    try {/*  www  .  j  a v  a  2s .  co  m*/
        String version = getManifestVaadinVersion(jarFile);
        if (version == null) {
            version = getPomVaadinVersion(jarFile);
        }

        return version;
    } catch (Exception ex) {
        return null;
    } finally {
        try {
            jarFile.close();
        } catch (IOException e) {
            log.warn(e);
        }
    }
}

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From source file:com.gargoylesoftware.htmlunit.javascript.configuration.JavaScriptConfigurationTest.java

/**
 * Return the classes inside the specified package and its sub-packages.
 * @param klass a class inside that package
 * @return a list of class names// w  ww  .  j av a2  s. com
 */
public static List<String> getClassesForPackage(final Class<?> klass) {
    final List<String> list = new ArrayList<>();

    File directory = null;
    final String relPath = klass.getName().replace('.', '/') + ".class";

    final URL resource = JavaScriptConfiguration.class.getClassLoader().getResource(relPath);

    if (resource == null) {
        throw new RuntimeException("No resource for " + relPath);
    }
    final String fullPath = resource.getFile();

    try {
        directory = new File(resource.toURI()).getParentFile();
    } catch (final URISyntaxException e) {
        throw new RuntimeException(klass.getName() + " (" + resource + ") does not appear to be a valid URL",
                e);
    } catch (final IllegalArgumentException e) {
        directory = null;
    }

    if (directory != null && directory.exists()) {
        addClasses(directory, klass.getPackage().getName(), list);
    } else {
        try {
            String jarPath = fullPath.replaceFirst("[.]jar[!].*", ".jar").replaceFirst("file:", "");
            if (System.getProperty("os.name").toLowerCase(Locale.ROOT).contains("win")) {
                jarPath = jarPath.replace("%20", " ");
            }
            final JarFile jarFile = new JarFile(jarPath);
            for (final Enumeration<JarEntry> entries = jarFile.entries(); entries.hasMoreElements();) {
                final String entryName = entries.nextElement().getName();
                if (entryName.endsWith(".class")) {
                    list.add(entryName.replace('/', '.').replace('\\', '.').replace(".class", ""));
                }
            }
            jarFile.close();
        } catch (final IOException e) {
            throw new RuntimeException(klass.getPackage().getName() + " does not appear to be a valid package",
                    e);
        }
    }
    return list;
}

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

public static String getPortalVaadin6Version() throws IOException {

    JarFile jarFile = new JarFile(get6VersionVaadinJarLocation());

    try {/*from w  w w .  ja v  a  2  s.c  o  m*/
        // Check Vaadin 6 version from manifest
        String manifestVaadinVersion = getManifestVaadin6Version(jarFile);
        if (manifestVaadinVersion != null) {
            return manifestVaadinVersion;
        }
        return null;
    } finally {
        if (jarFile != null) {
            try {
                jarFile.close();
            } catch (IOException e) {
                log.warn(e);
            }
        }
    }
}

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From source file:com.web.server.util.ClassLoaderUtil.java

public static CopyOnWriteArrayList closeClassLoader(ClassLoader cl) {
    CopyOnWriteArrayList jars = new CopyOnWriteArrayList();
    boolean res = false;
    Class classURLClassLoader = null;
    if (cl instanceof URLClassLoader)
        classURLClassLoader = URLClassLoader.class;
    else if (cl instanceof VFSClassLoader) {
        classURLClassLoader = VFSClassLoader.class;
    }/*from ww  w . jav a2s .co  m*/
    Field f = null;
    try {
        f = classURLClassLoader.getDeclaredField("ucp");
        System.out.println(f);
    } catch (NoSuchFieldException e1) {
        // e1.printStackTrace();
        // log.info(e1.getMessage(), e1);

    }
    if (f != null) {
        f.setAccessible(true);
        Object obj = null;
        try {
            obj = f.get(cl);
        } catch (IllegalAccessException e1) {
            // e1.printStackTrace();
            // log.info(e1.getMessage(), e1);
        }
        if (obj != null) {
            final Object ucp = obj;
            f = null;
            try {
                f = ucp.getClass().getDeclaredField("loaders");
                System.out.println(f);
            } catch (NoSuchFieldException e1) {
                // e1.printStackTrace();
                // log.info(e1.getMessage(), e1);
            }
            if (f != null) {
                f.setAccessible(true);
                ArrayList loaders = null;
                try {
                    loaders = (ArrayList) f.get(ucp);
                    res = true;
                } catch (IllegalAccessException e1) {
                    // e1.printStackTrace();
                }
                for (int i = 0; loaders != null && i < loaders.size(); i++) {
                    obj = loaders.get(i);
                    f = null;
                    try {
                        f = obj.getClass().getDeclaredField("jar");
                        // log.info(f);
                    } catch (NoSuchFieldException e) {
                        // e.printStackTrace();
                        // log.info(e.getMessage(), e);
                    }
                    if (f != null) {
                        f.setAccessible(true);
                        try {
                            obj = f.get(obj);
                        } catch (IllegalAccessException e1) {
                            // e1.printStackTrace();
                            // log.info(e1.getMessage(), e1);
                        }
                        if (obj instanceof JarFile) {
                            final JarFile jarFile = (JarFile) obj;
                            System.out.println(jarFile.getName());
                            jars.add(jarFile.getName().replace("/", "\\").trim().toUpperCase());
                            // try {
                            // jarFile.getManifest().clear();
                            // } catch (IOException e) {
                            // // ignore
                            // }
                            try {
                                jarFile.close();
                            } catch (IOException e) {
                                e.printStackTrace();
                                // ignore
                                // log.info(e.getMessage(), e);
                            }
                        }
                    }
                }
            }
        }
    }
    return jars;
}

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From source file:com.norconex.commons.lang.ClassFinder.java

private static List<String> findSubTypesFromJar(File jarFile, Class<?> superClass) {

    List<String> classes = new ArrayList<String>();
    ClassLoader loader = getClassLoader(jarFile);
    if (loader == null) {
        return classes;
    }/*  w ww  . jav  a2s  .c o m*/
    JarFile jar = null;
    try {
        jar = new JarFile(jarFile);
    } catch (IOException e) {
        LOG.error("Invalid JAR: " + jarFile, e);
        return classes;
    }
    Enumeration<JarEntry> entries = jar.entries();
    while (entries.hasMoreElements()) {
        JarEntry entry = entries.nextElement();
        String className = entry.getName();
        className = resolveName(loader, className, superClass);
        if (className != null) {
            classes.add(className);
        }
    }
    try {
        jar.close();
    } catch (IOException e) {
        LOG.error("Could not close JAR.", e);
    }
    return classes;
}

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