Example usage for java.util.jar JarFile JarFile

Introduction

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

Prototype

public JarFile(File file) throws IOException 

Source Link

Document

Creates a new JarFile to read from the specified File object.

Usage

From source file:com.datatorrent.stram.webapp.OperatorDiscoverer.java

public void buildTypeGraph() {
    Map<String, JarFile> openJarFiles = new HashMap<String, JarFile>();
    Map<String, File> openClassFiles = new HashMap<String, File>();
    // use global cache to load resource in/out of the same jar as the classes
    Set<String> resourceCacheSet = new HashSet<>();
    try {/*from ww w  .  j  a  v  a2  s.c  om*/
        for (String path : pathsToScan) {
            File f = null;
            try {
                f = new File(path);
                if (!f.exists() || f.isDirectory()
                        || (!f.getName().endsWith("jar") && !f.getName().endsWith("class"))) {
                    continue;
                }
                if (GENERATED_CLASSES_JAR.equals(f.getName())) {
                    continue;
                }
                if (f.getName().endsWith("class")) {
                    typeGraph.addNode(f);
                    openClassFiles.put(path, f);
                } else {
                    JarFile jar = new JarFile(path);
                    openJarFiles.put(path, jar);
                    java.util.Enumeration<JarEntry> entriesEnum = jar.entries();
                    while (entriesEnum.hasMoreElements()) {
                        final java.util.jar.JarEntry jarEntry = entriesEnum.nextElement();
                        String entryName = jarEntry.getName();
                        if (jarEntry.isDirectory()) {
                            continue;
                        }
                        if (entryName.endsWith("-javadoc.xml")) {
                            try {
                                processJavadocXml(jar.getInputStream(jarEntry));
                                // break;
                            } catch (Exception ex) {
                                LOG.warn("Cannot process javadoc {} : ", entryName, ex);
                            }
                        } else if (entryName.endsWith(".class")) {
                            TypeGraph.TypeGraphVertex newNode = typeGraph.addNode(jarEntry, jar);
                            // check if any visited resources belong to this type
                            for (Iterator<String> iter = resourceCacheSet.iterator(); iter.hasNext();) {
                                String entry = iter.next();
                                if (entry.startsWith(entryName.substring(0, entryName.length() - 6))) {
                                    newNode.setHasResource(true);
                                    iter.remove();
                                }
                            }
                        } else {
                            String className = entryName;
                            boolean foundClass = false;
                            // check if this resource belongs to any visited type
                            while (className.contains("/")) {
                                className = className.substring(0, className.lastIndexOf('/'));
                                TypeGraph.TypeGraphVertex tgv = typeGraph.getNode(className.replace('/', '.'));
                                if (tgv != null) {
                                    tgv.setHasResource(true);
                                    foundClass = true;
                                    break;
                                }
                            }
                            if (!foundClass) {
                                resourceCacheSet.add(entryName);
                            }
                        }
                    }
                }
            } catch (IOException ex) {
                LOG.warn("Cannot process file {}", f, ex);
            }
        }

        typeGraph.trim();

    } finally {
        for (Entry<String, JarFile> entry : openJarFiles.entrySet()) {
            try {
                entry.getValue().close();
            } catch (IOException e) {
                DTThrowable.wrapIfChecked(e);
            }
        }
    }
}

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From source file:com.taobao.android.builder.tools.asm.ClazzBasicHandler.java

public void execute() throws IOException {

    logger.info("[ClazzReplacer] rewriteJar from " + jar.getAbsolutePath() + " to " + outJar.getAbsolutePath());

    JarFile jarFile = new JarFile(jar);

    JarOutputStream jos = new JarOutputStream(new BufferedOutputStream(new FileOutputStream(outJar)));

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

    while (jarFileEntries.hasMoreElements()) {

        JarEntry ze = jarFileEntries.nextElement();

        String pathName = ze.getName();

        logger.info(jar.getAbsolutePath() + "->" + pathName);

        if (!pathName.endsWith(".class")) {
            justCopy(jarFile, jos, ze, pathName);
            continue;
        }/* w  w  w .j a  v a  2  s.  co  m*/

        handleClazz(jarFile, jos, ze, pathName);

    }

    jarFile.close();
    //        IOUtils.closeQuietly(fileOutputStream);
    IOUtils.closeQuietly(jos);
}

---

From source file:org.apache.pig.tools.pigstats.ScriptState.java

public String getPigVersion() {
    if (pigVersion == null) {
        String findContainingJar = JarManager.findContainingJar(ScriptState.class);
        if (findContainingJar != null) {
            try {
                JarFile jar = new JarFile(findContainingJar);
                final Manifest manifest = jar.getManifest();
                final Map<String, Attributes> attrs = manifest.getEntries();
                Attributes attr = attrs.get("org/apache/pig");
                pigVersion = attr.getValue("Implementation-Version");
            } catch (Exception e) {
                LOG.warn("unable to read pigs manifest file");
            }//from  w w  w. jav  a2 s.c o m
        } else {
            LOG.warn("unable to read pigs manifest file. Not running from the Pig jar");
        }
    }
    return (pigVersion == null) ? "" : pigVersion;
}

---

From source file:org.jboss.as.capedwarf.deployment.CapedwarfDeploymentProcessor.java

protected synchronized List<ResourceLoaderSpec> getResources(Map<String, List<ResourceLoaderSpec>> map,
        String version, String path) throws DeploymentUnitProcessingException {
    List<ResourceLoaderSpec> resources = map.get(version);
    if (resources == null) {
        try {//from w w w  . j a v  a 2 s  .  c om
            final List<File> mps = getModulePaths();
            final List<File> jars = findJars(path, version, mps);
            if (jars.isEmpty()) {
                throw new DeploymentUnitProcessingException(String.format("No jars found under %s", path));
            }

            resources = new ArrayList<>();
            for (File jar : jars) {
                final JarFile jarFile = new JarFile(jar);
                final ResourceLoader rl = ResourceLoaders.createJarResourceLoader(jar.getName(), jarFile);
                resources.add(ResourceLoaderSpec.createResourceLoaderSpec(rl));
            }
            map.put(version, resources);
        } catch (DeploymentUnitProcessingException e) {
            throw e;
        } catch (Exception e) {
            throw new DeploymentUnitProcessingException(e);
        }
    }
    return resources;
}

---

From source file:com.wavemaker.tools.pws.install.PwsInstall.java

private static boolean classExistsInJar(File[] jarFiles, String partnerName, String type) throws IOException {
    String className = partnerName.substring(0, 1).toUpperCase() + partnerName.substring(1) + type;
    boolean exists = false;
    for (File jarF : jarFiles) {
        JarFile jar = new JarFile(jarF);
        Enumeration<JarEntry> entries = jar.entries();

        while (entries.hasMoreElements()) {
            JarEntry entry = entries.nextElement();
            if (entry.getName().contains(className)) {
                exists = true;/*  ww  w .  j  a  va2  s .co m*/
                break;
            }
        }
        if (exists) {
            break;
        }
    }

    return exists;
}

---

From source file:net.sf.keystore_explorer.crypto.signing.JarSigner.java

/**
 * Does the named signature already exist in the JAR file?
 *
 * @param jarFile/*from   w ww.jav  a  2  s  .  c o  m*/
 *            JAR file
 * @param signatureName
 *            Signature name
 * @return True if it does, false otherwise
 * @throws IOException
 *             If an I/O problem occurs while examining the JAR file
 */
public static boolean hasSignature(File jarFile, String signatureName) throws IOException {
    JarFile jar = null;

    try {
        // Look for signature file (DSA or RSA)
        jar = new JarFile(jarFile);

        for (Enumeration<?> jarEntries = jar.entries(); jarEntries.hasMoreElements();) {
            JarEntry jarEntry = (JarEntry) jarEntries.nextElement();
            if (!jarEntry.isDirectory()) {
                if ((jarEntry.getName().equalsIgnoreCase(
                        MessageFormat.format(METAINF_FILE_LOCATION, signatureName, DSA_SIG_BLOCK_EXT)))
                        || (jarEntry.getName().equalsIgnoreCase(MessageFormat.format(METAINF_FILE_LOCATION,
                                signatureName, RSA_SIG_BLOCK_EXT)))) {
                    return true;
                }
            }
        }

        return false;
    } finally {
        IOUtils.closeQuietly(jar);
    }
}

---

From source file:com.liferay.ide.project.core.util.ProjectImportUtil.java

/**
 * This method is used to validate whether the given plugin binary is a valid Liferay Plugin Archieve
 *
 * @param binaryFile//from w w  w .  ja  v a2s .co  m
 *            - the binary file to be validated
 * @return
 */
public static boolean isValidLiferayPlugin(File binaryFile) {
    boolean isValid = false;

    JarFile pluginBinary = null;

    try {
        pluginBinary = new JarFile(binaryFile);

        BinaryProjectRecord tempRecord = new BinaryProjectRecord(binaryFile);

        // Check for liferay-plugin-package.properties or liferay-plugin-package.xml
        JarEntry lfrPluginPkgPropsEntry = pluginBinary
                .getJarEntry(getConfigFileLocation(ILiferayConstants.LIFERAY_PLUGIN_PACKAGE_PROPERTIES_FILE));
        JarEntry lfrPluginPkgXmlEntry = pluginBinary.getJarEntry(
                getConfigFileLocation(ILiferayConstants.LIFERAY_PLUGIN_PACKAGE_PROPERTIES_XML_FILE));

        if (lfrPluginPkgPropsEntry != null || lfrPluginPkgXmlEntry != null) {
            isValid = true;
        }

        if (tempRecord.isHook()) {
            isValid = (isValid && pluginBinary
                    .getJarEntry(getConfigFileLocation(ILiferayConstants.LIFERAY_HOOK_XML_FILE)) != null);
        } else if (tempRecord.isLayoutTpl()) {
            isValid = (isValid || pluginBinary
                    .getJarEntry(getConfigFileLocation(ILiferayConstants.LIFERAY_LAYOUTTPL_XML_FILE)) != null);
        } else if (tempRecord.isPortlet()) {
            isValid = (isValid && pluginBinary
                    .getJarEntry(getConfigFileLocation(ILiferayConstants.LIFERAY_PORTLET_XML_FILE)) != null);
        } else if (tempRecord.isTheme()) {
            isValid = (isValid || pluginBinary.getJarEntry(
                    getConfigFileLocation(ILiferayConstants.LIFERAY_LOOK_AND_FEEL_XML_FILE)) != null);
        }

        if (!isValid) {
            return isValid;
        } else {
            // check if its a valid web Archieve
            isValid = isValid
                    || pluginBinary.getJarEntry(getConfigFileLocation(ILiferayConstants.WEB_XML_FILE)) != null;
        }
    } catch (IOException e) {
        isValid = false;
    } finally {
        if (pluginBinary != null) {
            try {
                pluginBinary.close();
            } catch (IOException e) {
            }
        }
    }

    return isValid;
}

---

From source file:com.app.server.JarDeployer.java

/**
 * This method obtains the class name inside the jar
 * @param jarPath//from   ww w .  j a  va 2s . c o  m
 * @param content
 * @throws IOException
 */
public static void getJarContent(String jarPath, CopyOnWriteArrayList content) throws IOException {
    try {
        log.info("enumer=" + jarPath);

        JarFile jarFile = new JarFile(jarPath);
        Enumeration enumer = (Enumeration) jarFile.entries();
        while (enumer.hasMoreElements()) {
            JarEntry entry = (JarEntry) enumer.nextElement();
            String name = entry.getName();
            if (name.endsWith(".class"))
                content.add(name.replace("/", "."));
        }
        log.info(content);
        jarFile.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

---

From source file:com.azurenight.maven.TroposphereMojo.java

private JarFile openJarFile(File jar) throws MojoExecutionException {
    try {/* w w  w .j  av  a2s  .  co  m*/
        return new JarFile(jar);
    } catch (IOException e) {
        throw new MojoExecutionException("opening jython artifact jar failed", e);
    }
}

---

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

protected JarFile createJarFile(File jarFile) {
    try {/*from   w  w w  .  j  ava 2  s.  com*/
        File jarFileWithoutSubPath = getJarFileWithoutSubPath(jarFile);
        return new JarFile(jarFileWithoutSubPath);
    } catch (IOException e) {
        throw new DbMaintainException("Error opening jar file " + jarFile, e);
    }
}

---

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