Example usage for java.util.jar JarFile JarFile

List of usage examples for java.util.jar JarFile JarFile

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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:org.apache.servicemix.jbi.deployer.handler.JBIDeploymentListener.java

/**
 * Check if the file is a recognized JBI artifact that needs to be
 * processed.//from   ww w.ja  va2 s.  c o m
 *
 * @param artifact the file to check
 * @return <code>true</code> is the file is a JBI artifact that
 *         should be transformed into an OSGi bundle.
 */
public boolean canHandle(File artifact) {
    try {
        // Accept jars and zips
        if (!artifact.getName().endsWith(".zip") && !artifact.getName().endsWith(".jar")) {
            return false;
        }
        JarFile jar = new JarFile(artifact);
        JarEntry entry = jar.getJarEntry(DescriptorFactory.DESCRIPTOR_FILE);
        // Only handle JBI artifacts
        if (entry == null) {
            return false;
        }
        // Only handle non OSGi bundles
        Manifest m = jar.getManifest();
        if (m != null && m.getMainAttributes().getValue(new Attributes.Name("Bundle-SymbolicName")) != null
                && m.getMainAttributes().getValue(new Attributes.Name("Bundle-Version")) != null) {
            return false;
        }
        return true;
    } catch (Exception e) {
        return false;
    }
}

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

@Test
public void jarFileToURI() throws IOException {
    URL url = CodeSourceUtils.getCodeLocation(Logger.class);
    logger.debug("url:{}", url);

    JarFile jarFile = new JarFile(url.getFile());
    logger.debug("jarFile:{}", jarFile.getName());
    File file = new File(jarFile.getName());
    logger.debug("url1:{}", file.toURI());
}

From source file:net.sf.keystore_explorer.crypto.jcepolicy.JcePolicyUtil.java

/**
 * Get a JCE policy's crypto strength.//from w ww .  j  a  va 2 s . co  m
 *
 * @param jcePolicy
 *            JCE policy
 * @return Crypto strength
 * @throws CryptoException
 *             If there was a problem getting the crypto strength
 */
public static CryptoStrength getCryptoStrength(JcePolicy jcePolicy) throws CryptoException {
    try {
        File file = getJarFile(jcePolicy);

        // if there is no policy file at all, we assume that we are running under OpenJDK
        if (!file.exists()) {
            return UNLIMITED;
        }

        JarFile jar = new JarFile(file);

        Manifest jarManifest = jar.getManifest();
        String strength = jarManifest.getMainAttributes().getValue("Crypto-Strength");

        // workaround for IBM JDK: test for maximum key size
        if (strength == null) {
            return unlimitedStrengthTest();
        }

        if (strength.equals(LIMITED.manifestValue())) {
            return LIMITED;
        } else {
            return UNLIMITED;
        }
    } catch (IOException ex) {
        throw new CryptoException(
                MessageFormat.format(res.getString("NoGetCryptoStrength.exception.message"), jcePolicy), ex);
    }
}

From source file:org.commonjava.web.test.fixture.JarKnockouts.java

public void rewriteJar(final File source, final File targetDir) throws IOException {
    targetDir.mkdirs();/*from   w w w .  j a  v a 2s.c om*/
    final File target = new File(targetDir, source.getName());

    JarFile in = null;
    JarOutputStream out = null;
    try {
        in = new JarFile(source);

        final BufferedOutputStream fos = new BufferedOutputStream(new FileOutputStream(target));
        out = new JarOutputStream(fos, in.getManifest());

        final Enumeration<JarEntry> entries = in.entries();
        while (entries.hasMoreElements()) {
            final JarEntry entry = entries.nextElement();
            if (!knockout(entry.getName())) {
                final InputStream stream = in.getInputStream(entry);
                out.putNextEntry(entry);
                copy(stream, out);
                out.closeEntry();
            }
        }
    } finally {
        closeQuietly(out);
        if (in != null) {
            try {
                in.close();
            } catch (final IOException e) {
            }
        }
    }
}

From source file:org.apache.bcel.BCELBenchmark.java

private JarFile getJarFile() throws IOException {
    String javaHome = System.getProperty("java.home");
    return new JarFile(javaHome + "/lib/rt.jar");
}

From source file:SerialVersionUID.java

/**
 * Build a TreeMap of the class name to ClassVersionInfo
 * //from   ww  w.java  2s .  c o  m
 * @param jar
 * @param classVersionMap
 *          TreeMap<String, ClassVersionInfo> for serializable classes
 * @param cl -
 *          the class loader to use
 * @throws IOException
 *           thrown if the jar cannot be opened
 */
static void generateJarSerialVersionUIDs(URL jar, TreeMap classVersionMap, ClassLoader cl, String pkgPrefix)
        throws IOException {
    String jarName = jar.getFile();
    JarFile jf = new JarFile(jarName);
    Enumeration entries = jf.entries();
    while (entries.hasMoreElements()) {
        JarEntry entry = (JarEntry) entries.nextElement();
        String name = entry.getName();
        if (name.endsWith(".class") && name.startsWith(pkgPrefix)) {
            name = name.substring(0, name.length() - 6);
            String classname = name.replace('/', '.');
            try {
                log.fine("Creating ClassVersionInfo for: " + classname);
                ClassVersionInfo cvi = new ClassVersionInfo(classname, cl);
                log.fine(cvi.toString());
                if (cvi.getSerialVersion() != 0) {
                    ClassVersionInfo prevCVI = (ClassVersionInfo) classVersionMap.put(classname, cvi);
                    if (prevCVI != null) {
                        if (prevCVI.getSerialVersion() != cvi.getSerialVersion()) {
                            log.severe("Found inconsistent classes, " + prevCVI + " != " + cvi + ", jar: "
                                    + jarName);
                        }
                    }
                    if (cvi.getHasExplicitSerialVersionUID() == false) {
                        log.warning("No explicit serialVersionUID: " + cvi);
                    }
                }
            } catch (OutOfMemoryError e) {
                log.log(Level.SEVERE, "Check the MaxPermSize", e);
            } catch (Throwable e) {
                log.log(Level.FINE, "While loading: " + name, e);
            }
        }
    }
    jf.close();
}

From source file:com.camnter.patch.utils.classref.ClassReferenceListBuilder.java

public void addRoots(String path) throws IOException {
    this.path = new Path(path);
    this.jarOfRoots = new JarFile(path);
}

From source file:com.gzj.tulip.load.ResourceRef.java

public static ResourceRef toResourceRef(Resource folder) throws IOException {
    ResourceRef rr = new ResourceRef(folder, null, null);
    String[] modifiers = null;//from  w  ww . j av a 2  s.  co  m
    Resource rosePropertiesResource = rr.getInnerResource("META-INF/rose.properties");
    if (rosePropertiesResource.exists()) {
        if (logger.isDebugEnabled()) {
            logger.debug("found rose.properties: " + rosePropertiesResource.getURI());
        }
        InputStream in = rosePropertiesResource.getInputStream();
        rr.properties.load(in);
        in.close();
        String attrValue = rr.properties.getProperty("rose");
        if (attrValue == null) {
            attrValue = rr.properties.getProperty("Rose");
        }
        if (attrValue != null) {
            modifiers = StringUtils.split(attrValue, ", ;\n\r\t");
            if (logger.isDebugEnabled()) {
                logger.debug("modifiers[by properties][" + rr.getResource().getURI() + "]="
                        + Arrays.toString(modifiers));
            }
        }
    }
    //
    if (modifiers == null) {
        if (!"jar".equals(rr.getProtocol())) {
            modifiers = new String[] { "**" };
            if (logger.isDebugEnabled()) {
                logger.debug("modifiers[by default][" + rr.getResource().getURI() + "]="
                        + Arrays.toString(modifiers));
            }
        } else {
            JarFile jarFile = new JarFile(rr.getResource().getFile());
            Manifest manifest = jarFile.getManifest();
            if (manifest != null) {
                Attributes attributes = manifest.getMainAttributes();
                String attrValue = attributes.getValue("rose");
                if (attrValue == null) {
                    attrValue = attributes.getValue("Rose");
                }
                if (attrValue != null) {
                    modifiers = StringUtils.split(attrValue, ", ;\n\r\t");
                    if (logger.isDebugEnabled()) {
                        logger.debug("modifiers[by manifest.mf][" + rr.getResource().getURI() + "]="
                                + Arrays.toString(modifiers));
                    }
                }
            }
        }
    }
    rr.setModifiers(modifiers);
    return rr;
}

From source file:com.sinosoft.one.mvc.scanning.ResourceRef.java

public static ResourceRef toResourceRef(Resource folder) throws IOException {
    ResourceRef rr = new ResourceRef(folder, null, null);
    String[] modifiers = null;/*from w ww .ja va 2  s .  c  o m*/
    Resource mvcPropertiesResource = rr.getInnerResource("META-INF/mvc.properties");
    if (mvcPropertiesResource.exists()) {
        if (logger.isDebugEnabled()) {
            logger.debug("found mvc.properties: " + mvcPropertiesResource.getURI());
        }
        InputStream in = mvcPropertiesResource.getInputStream();
        rr.properties.load(in);
        in.close();
        String attrValue = rr.properties.getProperty("mvc");
        if (attrValue == null) {
            attrValue = rr.properties.getProperty("Mvc");
        }
        if (attrValue != null) {
            modifiers = StringUtils.split(attrValue, ", ;\n\r\t");
            if (logger.isDebugEnabled()) {
                logger.debug("modifiers[by properties][" + rr.getResource().getURI() + "]="
                        + Arrays.toString(modifiers));
            }
        }
    }
    //
    if (modifiers == null) {
        if (!"jar".equals(rr.getProtocol())) {
            modifiers = new String[] { "**" };
            if (logger.isDebugEnabled()) {
                logger.debug("modifiers[by default][" + rr.getResource().getURI() + "]="
                        + Arrays.toString(modifiers));
            }
        } else {
            JarFile jarFile = new JarFile(rr.getResource().getFile());
            Manifest manifest = jarFile.getManifest();
            if (manifest != null) {
                Attributes attributes = manifest.getMainAttributes();
                String attrValue = attributes.getValue("mvc");
                if (attrValue == null) {
                    attrValue = attributes.getValue("Mvc");
                }
                if (attrValue != null) {
                    modifiers = StringUtils.split(attrValue, ", ;\n\r\t");
                    if (logger.isDebugEnabled()) {
                        logger.debug("modifiers[by manifest.mf][" + rr.getResource().getURI() + "]="
                                + Arrays.toString(modifiers));
                    }
                }
            }
        }
    }
    rr.setModifiers(modifiers);
    return rr;
}

From source file:nl.tue.gale.ae.config.GaleContextLoader.java

private void findInJar(ServletContext sc, String path, List<String> locations) {
    try {/* w  w w .j av  a2  s. com*/
        JarFile jar = new JarFile(sc.getRealPath(path));
        for (JarEntry entry : enumIterable(jar.entries())) {
            if (entry.getName().endsWith("-galeconfig.xml"))
                locations.add("classpath:" + entry.getName());
        }
        jar.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}