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.cwctravel.jenkinsci.plugins.htmlresource.HTMLResourceManagement.java

private boolean validateWebJAR(File file) throws IOException {
    boolean result = false;
    if (file.getName().endsWith(".jar")) {
        JarFile jarFile = new JarFile(file);
        try {//from  w w w .  j  a v  a 2  s.  c  om
            result = jarFile.size() > 0;
        } finally {
            jarFile.close();
        }
    }

    return result;
}

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From source file:com.eucalyptus.upgrade.TestHarness.java

@SuppressWarnings("unchecked")
private static Multimap<Class, Method> getTestMethods() throws Exception {
    final Multimap<Class, Method> testMethods = ArrayListMultimap.create();
    List<Class> classList = Lists.newArrayList();
    for (File f : new File(System.getProperty("euca.home") + "/usr/share/eucalyptus").listFiles()) {
        if (f.getName().startsWith("eucalyptus") && f.getName().endsWith(".jar")
                && !f.getName().matches(".*-ext-.*")) {
            try {
                JarFile jar = new JarFile(f);
                Enumeration<JarEntry> jarList = jar.entries();
                for (JarEntry j : Collections.list(jar.entries())) {
                    if (j.getName().matches(".*\\.class.{0,1}")) {
                        String classGuess = j.getName().replaceAll("/", ".").replaceAll("\\.class.{0,1}", "");
                        try {
                            Class candidate = ClassLoader.getSystemClassLoader().loadClass(classGuess);
                            for (final Method m : candidate.getDeclaredMethods()) {
                                if (Iterables.any(testAnnotations,
                                        new Predicate<Class<? extends Annotation>>() {
                                            public boolean apply(Class<? extends Annotation> arg0) {
                                                return m.getAnnotation(arg0) != null;
                                            }
                                        })) {
                                    System.out.println("Added test class: " + candidate.getCanonicalName());
                                    testMethods.put(candidate, m);
                                }/*from   w w  w . java2 s . c om*/
                            }
                        } catch (ClassNotFoundException e) {
                        }
                    }
                }
                jar.close();
            } catch (Exception e) {
                System.out.println(e.getMessage());
                continue;
            }
        }
    }
    return testMethods;
}

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From source file:net.fabricmc.loader.FabricLoader.java

protected static ModInfo[] getJarMods(File f) {
    try {/*www.  j  a  va2 s.  c om*/
        JarFile jar = new JarFile(f);
        ZipEntry entry = jar.getEntry("mod.json");
        if (entry != null) {
            try (InputStream in = jar.getInputStream(entry)) {
                return getMods(in);
            }
        }

    } catch (Exception e) {
        LOGGER.error("Unable to load mod from %s", f.getName());
        e.printStackTrace();
    }

    return new ModInfo[0];
}

---

From source file:org.araqne.pkg.PackageManagerService.java

private String getBundleSymbolicName(File file) {
    JarFile jar = null;/*w  w  w  .  ja  va  2s . c  o  m*/
    try {
        jar = new JarFile(file);
        Attributes attrs = jar.getManifest().getMainAttributes();
        // metadata can be added followed by semicolon (e.g. ;singleton)
        return attrs.getValue("Bundle-SymbolicName").split(";")[0].trim();
    } catch (IOException e) {
        logger.error("package manager: symbolic name not found", e);
        return null;
    } finally {
        if (jar != null)
            try {
                jar.close();
            } catch (IOException e) {
            }
    }
}

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From source file:org.eclipse.emf.mwe.utils.StandaloneSetup.java

protected void registerBundle(File file) {
    JarFile jarFile = null;/*from w  w  w  . j a  va 2  s  . co  m*/
    try {
        jarFile = new JarFile(file);
        log.debug("Trying to determine project name from Manifest for " + jarFile.getName());
        String name = getBundleNameFromManifest(jarFile);
        if (name == null) {
            log.debug("Trying to determine project name from file name for " + jarFile.getName());
            name = getBundleNameFromJarName(jarFile.getName());
        }
        if (name != null) {
            final int indexOf = name.indexOf(';');
            if (indexOf > 0)
                name = name.substring(0, indexOf);
            String path = "archive:" + file.getCanonicalFile().toURI() + "!/";
            URI uri = URI.createURI(path);
            registerMapping(name, uri);
        } else {
            log.debug("Could not determine project name for " + jarFile.getName()
                    + ". No project mapping will be added.");
        }
    } catch (ZipException e) {
        log.warn("Could not open Jar file " + file.getAbsolutePath() + ".");
    } catch (Exception e) {
        handleException(file, e);
    } finally {
        try {
            if (jarFile != null)
                jarFile.close();
        } catch (IOException e) {
            log.error(e.getMessage(), e);
        }
    }
}

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From source file:org.ow2.proactive_grid_cloud_portal.scheduler.server.SchedulerServiceImpl.java

private boolean isJarFile(File file) {
    try {//  w  w w  .java2s. co  m
        new JarFile(file);
        return true;
    } catch (IOException e1) {
        return false;
    }
}

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From source file:org.apache.struts2.osgi.host.BaseOsgiHost.java

/**
 * Gets the version used to export the packages. it tries to get it from MANIFEST.MF, or the file name
 *//*w w w  .  j  ava2  s .  c  o m*/
protected String getVersion(URL url) {
    if ("jar".equals(url.getProtocol())) {
        try {
            FileManager fileManager = ServletActionContext.getContext().getInstance(FileManagerFactory.class)
                    .getFileManager();
            JarFile jarFile = new JarFile(new File(fileManager.normalizeToFileProtocol(url).toURI()));
            Manifest manifest = jarFile.getManifest();
            if (manifest != null) {
                String version = manifest.getMainAttributes().getValue("Bundle-Version");
                if (StringUtils.isNotBlank(version)) {
                    return getVersionFromString(version);
                }
            } else {
                //try to get the version from the file name
                return getVersionFromString(jarFile.getName());
            }
        } catch (Exception e) {
            if (LOG.isErrorEnabled()) {
                LOG.error("Unable to extract version from [#0], defaulting to '1.0.0'", url.toExternalForm());
            }
        }
    }
    return "1.0.0";
}

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From source file:org.araqne.pkg.PackageManagerService.java

private Version getBundleVersion(File file) {
    JarFile jar = null;/*from  w  ww .ja  va  2  s .  c  o  m*/
    try {
        jar = new JarFile(file);
        Attributes attrs = jar.getManifest().getMainAttributes();
        return new Version(attrs.getValue("Bundle-Version"));
    } catch (IOException e) {
        logger.error("package manager: bundle version not found", e);
        return null;
    } finally {
        if (jar != null)
            try {
                jar.close();
            } catch (IOException e) {
            }
    }
}

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From source file:org.apache.openejb.config.Deploy.java

private static boolean shouldUnpack(final File file) {
    final String name = file.getName();
    if (name.endsWith(".ear") || name.endsWith(".rar") || name.endsWith(".rar")) {
        return true;
    }/*from  ww  w .jav a2  s  .  co m*/

    JarFile jarFile = null;
    try {
        jarFile = new JarFile(file);

        if (jarFile.getEntry("META-INF/application.xml") != null) {
            return true;
        }
        if (jarFile.getEntry("META-INF/ra.xml") != null) {
            return true;
        }
        if (jarFile.getEntry("WEB-INF/web.xml") != null) {
            return true;
        }
    } catch (final IOException e) {
        // no-op
    } finally {
        if (jarFile != null) {
            try {
                jarFile.close();
            } catch (final IOException ignored) {
                // no-op
            }
        }
    }

    return false;
}

---

From source file:edu.stanford.muse.email.JarDocCache.java

public Set<Integer> getAllContentIdxs(String prefix) throws IOException, ClassNotFoundException {
    Set<Integer> result = new LinkedHashSet<Integer>();
    JarFile jarFile = null;/*  w  w w  . j  a  v a 2  s .com*/
    String fname = baseDir + File.separator + prefix + ".contents";
    try {
        jarFile = new JarFile(fname);
    } catch (Exception e) {
        log.info("No Jar file exists: " + fname);
    }
    if (jarFile == null)
        return result;

    Enumeration<JarEntry> entries = jarFile.entries();
    String suffix = ".content";
    while (entries.hasMoreElements()) {
        JarEntry je = entries.nextElement();
        String s = je.getName();
        if (!s.endsWith(suffix))
            continue;
        String idx_str = s.substring(0, s.length() - suffix.length());
        int index = -1;
        try {
            index = Integer.parseInt(idx_str);
        } catch (Exception e) {
            log.error("Funny file in header: " + index);
        }

        result.add(index);
    }
    return result;
}

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