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.netease.hearttouch.hthotfix.patch.PatchRefGeneratorTransformExecutor.java

public void transformJar(File inputFile, File outputFile) throws IOException {
    final JarFile jar = new JarFile(inputFile);
    final OutputJar outputJar = new OutputJar(outputFile);
    for (final Enumeration<JarEntry> entries = jar.entries(); entries.hasMoreElements();) {
        final JarEntry entry = entries.nextElement();
        if (entry.isDirectory()) {
            continue;
        }//  w  ww  . j av  a2 s  .co  m
        final InputStream is = jar.getInputStream(entry);
        try {

            byte[] bytecode = IOUtils.toByteArray(is);
            if (entry.getName().endsWith(".class")) {
                if (extension.getGeneratePatch() && extension.getScanRef()) {
                    ClassReader cr = new ClassReader(bytecode);
                    String className = cr.getClassName();
                    if (extension.getGeneratePatch() && extension.getScanRef()) {
                        if (!refScanInstrument.isPatchClass(className.replace("/", "."))) {
                            boolean bPatchRef = refScanInstrument.hasReference(bytecode, project);
                            if (bPatchRef) {
                                patchJarHelper.writeClassToDirectory(className, bytecode);
                            }
                        }
                    }
                }
                outputJar.writeEntry(entry, bytecode);
            } else {
                outputJar.writeEntry(entry, bytecode);
            }
        } finally {
            IOUtils.closeQuietly(is);
        }
    }
    outputJar.close();
}

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From source file:ezbake.deployer.utilities.VersionHelper.java

private static String getVersionFromManifest(File artifact) throws IOException {
    String versionNumber = null;//from  w  w  w.  ja  v  a 2s.co m
    try (JarFile jar = new JarFile(artifact)) {
        Manifest manifest = jar.getManifest();
        Attributes attributes = manifest.getMainAttributes();
        if (attributes != null) {
            for (Object o : attributes.keySet()) {
                Attributes.Name key = (Attributes.Name) o;
                String keyword = key.toString();
                if (keyword.equals("Implementation-Version") || keyword.equals("Bundle-Version")) {
                    versionNumber = (String) attributes.get(key);
                    break;
                }
            }
        }
    }
    return versionNumber;
}

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From source file:com.navercorp.pinpoint.bootstrap.java9.module.JarFileAnalyzerTest.java

@Test
public void providers() throws IOException {
    // Jar/*from w w w . j a  va 2  s.c  om*/
    // org.apache.commons.logging.LogFactory=[org.apache.commons.logging.impl.SLF4JLogFactory]
    URL url = CodeSourceUtils.getCodeLocation(LogFactory.class);

    JarFile jarFile = new JarFile(url.getFile());
    PackageAnalyzer analyzer = new JarFileAnalyzer(jarFile);
    PackageInfo analyze = analyzer.analyze();
    List<Providers> providers = analyze.getProviders();
    Providers first = providers.get(0);
    Assert.assertEquals(first.getService(), "org.apache.commons.logging.LogFactory");
    Assert.assertTrue(first.getProviders().contains("org.apache.commons.logging.impl.SLF4JLogFactory"));

}

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From source file:org.apache.torque.generator.configuration.JarConfigurationProvider.java

/**
 * Constructor.//from   www  .  ja  v a2s  .  com
 * @param projectPaths the paths needed to interact with the enclosing
 *         project, not null.
 * @param configurationPaths The internal directory structure of the
 *         generator configuration files, not null.
 *
 * @throws NullPointerException if projectPaths or configurationPaths
 *          are null.
 * @throws ConfigurationException if the jar file can not be accessed.
 */
public JarConfigurationProvider(ProjectPaths projectPaths, TorqueGeneratorPaths configurationPaths)
        throws ConfigurationException {
    super(configurationPaths);
    if (projectPaths == null) {
        throw new NullPointerException("projectPaths is null");
    }
    this.projectPaths = projectPaths;
    this.configurationPaths = configurationPaths;

    try {
        jarFile = new JarFile(projectPaths.getConfigurationPath());
    } catch (IOException e) {
        log.error("Could not open jar File " + projectPaths.getConfigurationPath().getAbsolutePath());
        throw new ConfigurationException(e);
    }
}

---

From source file:javadepchecker.Main.java

private static boolean depNeeded(String pkg, Collection<String> deps) throws IOException {
    Collection<String> jars = getPackageJars(pkg);
    // We have a virtual with VM provider here
    if (jars.size() == 0)
        return true;
    for (String jarName : jars) {
        JarFile jar = new JarFile(jarName);
        for (Enumeration<JarEntry> e = jar.entries(); e.hasMoreElements();) {
            String name = e.nextElement().getName();
            if (deps.contains(name)) {
                return true;
            }/*from w  ww. j  a v  a  2  s.  c  o  m*/
        }
    }
    return false;
}

---

From source file:com.orange.mmp.dao.flf.ModuleDaoFlfImpl.java

@SuppressWarnings("unchecked")
public Module createOrUdpdate(Module module) throws MMPDaoException {
    if (module == null || module.getLocation() == null) {
        throw new MMPDaoException("missing or bad data access object");
    }/*  w  ww . ja va  2 s .co m*/

    JarFile jarFile = null;
    try {
        this.lock.lock();
        jarFile = new JarFile(new File(module.getLocation()));
        Manifest manifest = jarFile.getManifest();
        if (manifest == null) {
            throw new MMPDaoException("invalid module archive, MANIFEST file not found");
        }
        String symbolicName = manifest.getMainAttributes().getValue(MODULE_ID_HEADER);
        if (manifest.getMainAttributes().getValue(MODULE_ID_HEADER) != null) {
            if (module instanceof Widget) {
                String[] widgetId = symbolicName.split(com.orange.mmp.widget.Constants.BRANCH_SUFFIX_PATTERN);
                module.setId(widgetId[0]);
            } else {
                module.setId(symbolicName);
            }
        } else
            throw new MMPDaoException("invalid module archive, missing " + MODULE_ID_HEADER + " header");
        if (manifest.getMainAttributes().getValue(MODULE_NAME_HEADER) != null) {
            module.setName(manifest.getMainAttributes().getValue(MODULE_NAME_HEADER));
        } else
            throw new MMPDaoException("invalid module archive, missing " + MODULE_NAME_HEADER + " header");
        if (manifest.getMainAttributes().getValue(MODULE_VERSION_HEADER) != null) {
            module.setVersion(new Version(manifest.getMainAttributes().getValue(MODULE_VERSION_HEADER)));
        } else
            throw new MMPDaoException("invalid module archive, missing " + MODULE_VERSION_HEADER + " header");
        if (manifest.getMainAttributes().getValue(MODULE_CATEGORY_HEADER) != null) {
            module.setCategory(manifest.getMainAttributes().getValue(MODULE_CATEGORY_HEADER));
        } else
            module.setCategory(Constants.MODULE_CATEGORY_LIBRARY);

        File moduleFile = new File(module.getLocation());
        File dstFile;
        if (module instanceof Widget) {
            String[] nameAndBranch = symbolicName.split(com.orange.mmp.widget.Constants.BRANCH_SUFFIX_PATTERN);
            if (nameAndBranch.length > 1)
                dstFile = new File(this.path,
                        nameAndBranch[0].concat(com.orange.mmp.widget.Constants.BRANCH_SUFFIX_PATTERN)
                                .concat(nameAndBranch[1]).concat(".jar"));
            else {
                String defaultBranchId = null;
                Branch defaultBranch = new Branch();
                defaultBranch.setDefault(true);
                Branch defaultBranchesResult[] = (Branch[]) DaoManagerFactory.getInstance().getDaoManager()
                        .getDao("branch").find(defaultBranch);
                if (defaultBranchesResult.length > 0) {
                    defaultBranchId = defaultBranchesResult[0].getId();
                }
                defaultBranch = defaultBranchesResult[0];
                dstFile = new File(this.path,
                        nameAndBranch[0].concat(com.orange.mmp.widget.Constants.BRANCH_SUFFIX_PATTERN)
                                .concat(defaultBranchId).concat(".jar"));
            }
        } else {
            dstFile = new File(this.path, symbolicName.concat(".jar"));
        }
        FileUtils.copyFile(moduleFile, dstFile);
        module.setLocation(dstFile.toURI());
        module.setLastModified(dstFile.lastModified());
        jarFile.close();

        FileUtils.touch(new File(this.path));

        return module;
    } catch (IOException ioe) {
        throw new MMPDaoException("failed to add module : " + ioe.getMessage());
    } finally {
        try {
            if (jarFile != null)
                jarFile.close();
        } catch (IOException ioe) {
            //Nop just log
        }
        this.lock.unlock();
    }
}

---

From source file:Zip.java

/**
 * Reads a Jar file, displaying the attributes in its manifest and dumping
 * the contents of each file contained to the console.
 *//* w w  w  .  jav a  2  s . co m*/
public static void readJarFile(String fileName) {
    JarFile jarFile = null;
    try {
        // JarFile extends ZipFile and adds manifest information
        jarFile = new JarFile(fileName);
        if (jarFile.getManifest() != null) {
            System.out.println("Manifest Main Attributes:");
            Iterator iter = jarFile.getManifest().getMainAttributes().keySet().iterator();
            while (iter.hasNext()) {
                Attributes.Name attribute = (Attributes.Name) iter.next();
                System.out.println(
                        attribute + " : " + jarFile.getManifest().getMainAttributes().getValue(attribute));
            }
            System.out.println();
        }
        // use the Enumeration to dump the contents of each file to the console
        System.out.println("Jar file entries:");
        for (Enumeration e = jarFile.entries(); e.hasMoreElements();) {
            JarEntry jarEntry = (JarEntry) e.nextElement();
            if (!jarEntry.isDirectory()) {
                System.out.println(jarEntry.getName() + " contains:");
                BufferedReader jarReader = new BufferedReader(
                        new InputStreamReader(jarFile.getInputStream(jarEntry)));
                while (jarReader.ready()) {
                    System.out.println(jarReader.readLine());
                }
                jarReader.close();
            }
        }
    } catch (IOException ioe) {
        System.out.println("An IOException occurred: " + ioe.getMessage());
    } finally {
        if (jarFile != null) {
            try {
                jarFile.close();
            } catch (IOException ioe) {
            }
        }
    }
}

---

From source file:javadepchecker.Main.java

private static boolean depNeeded(String pkg, Collection<String> deps) throws IOException {
    for (String jarName : getPackageJars(pkg)) {
        JarFile jar = new JarFile(jarName);
        for (Enumeration<JarEntry> e = jar.entries(); e.hasMoreElements();) {
            String name = e.nextElement().getName();
            if (deps.contains(name)) {
                return true;
            }//from www.  ja v  a  2s.  com
        }
    }
    return false;
}

---

From source file:javadepchecker.Main.java

private static boolean depNeeded(String pkg, Collection<String> deps) throws IOException {
    Collection<String> jars = getPackageJars(pkg);
    // We have a virtual with VM provider here
    if (jars.size() == 0) {
        return true;
    }//from  w w w . java2s.  c  om
    for (String jarName : jars) {
        JarFile jar = new JarFile(jarName);
        for (Enumeration<JarEntry> e = jar.entries(); e.hasMoreElements();) {
            String name = e.nextElement().getName();
            if (deps.contains(name)) {
                return true;
            }
        }
    }
    return false;
}

---

From source file:demo.config.diff.support.ConfigurationMetadataRepositoryLoader.java

private Resource load(ConfigurationMetadataRepositoryJsonBuilder builder, String moduleId, String version,
        boolean mandatory) throws IOException {
    String coordinates = moduleId + ":" + version;
    try {/*from ww  w.  j a va  2s. c  om*/
        ArtifactResult artifactResult = dependencyResolver.resolveDependency(coordinates);
        File file = artifactResult.getArtifact().getFile();
        JarFile jarFile = new JarFile(file);
        ZipEntry entry = jarFile.getEntry("META-INF/spring-configuration-metadata.json");
        if (entry != null) {
            logger.info("Adding meta-data from '" + coordinates + "'");
            try (InputStream stream = jarFile.getInputStream(entry)) {
                builder.withJsonResource(stream);
            }
        } else {
            logger.info("No meta-data found for '" + coordinates + "'");
        }
    } catch (ArtifactResolutionException e) {
        if (mandatory) {
            throw new UnknownSpringBootVersion("Could not load '" + coordinates + "'", version);
        }
        logger.info("Ignoring '" + coordinates + " (not found)");
    }
    return null;
}

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