Examples with Attributes java.util.jar.Attributes used on opensource projects

Example 31 with Attributes

use of java.util.jar.Attributes in project robovm by robovm.

the class URLClassLoader method definePackage.

/**
     * Defines a new package using the information extracted from the specified
     * manifest.
     *
     * @param packageName
     *            the name of the new package.
     * @param manifest
     *            the manifest containing additional information for the new
     *            package.
     * @param url
     *            the URL to the code source for the new package.
     * @return the created package.
     * @throws IllegalArgumentException
     *             if a package with the given name already exists.
     */
protected Package definePackage(String packageName, Manifest manifest, URL url) throws IllegalArgumentException {
    Attributes mainAttributes = manifest.getMainAttributes();
    String dirName = packageName.replace('.', '/') + "/";
    Attributes packageAttributes = manifest.getAttributes(dirName);
    boolean noEntry = false;
    if (packageAttributes == null) {
        noEntry = true;
        packageAttributes = mainAttributes;
    }
    String specificationTitle = packageAttributes.getValue(Attributes.Name.SPECIFICATION_TITLE);
    if (specificationTitle == null && !noEntry) {
        specificationTitle = mainAttributes.getValue(Attributes.Name.SPECIFICATION_TITLE);
    }
    String specificationVersion = packageAttributes.getValue(Attributes.Name.SPECIFICATION_VERSION);
    if (specificationVersion == null && !noEntry) {
        specificationVersion = mainAttributes.getValue(Attributes.Name.SPECIFICATION_VERSION);
    }
    String specificationVendor = packageAttributes.getValue(Attributes.Name.SPECIFICATION_VENDOR);
    if (specificationVendor == null && !noEntry) {
        specificationVendor = mainAttributes.getValue(Attributes.Name.SPECIFICATION_VENDOR);
    }
    String implementationTitle = packageAttributes.getValue(Attributes.Name.IMPLEMENTATION_TITLE);
    if (implementationTitle == null && !noEntry) {
        implementationTitle = mainAttributes.getValue(Attributes.Name.IMPLEMENTATION_TITLE);
    }
    String implementationVersion = packageAttributes.getValue(Attributes.Name.IMPLEMENTATION_VERSION);
    if (implementationVersion == null && !noEntry) {
        implementationVersion = mainAttributes.getValue(Attributes.Name.IMPLEMENTATION_VERSION);
    }
    String implementationVendor = packageAttributes.getValue(Attributes.Name.IMPLEMENTATION_VENDOR);
    if (implementationVendor == null && !noEntry) {
        implementationVendor = mainAttributes.getValue(Attributes.Name.IMPLEMENTATION_VENDOR);
    }
    return definePackage(packageName, specificationTitle, specificationVersion, specificationVendor, implementationTitle, implementationVersion, implementationVendor, isSealed(manifest, dirName) ? url : null);
}

Example 32 with Attributes

use of java.util.jar.Attributes in project robovm by robovm.

the class OldJarURLConnectionTest method test_getMainAttributes.

public void test_getMainAttributes() throws Exception {
    URL u = createContent("lf.jar", "swt.dll");
    juc = (JarURLConnection) u.openConnection();
    java.util.jar.Attributes a = juc.getMainAttributes();
    assertEquals("Returned incorrect Attributes", "1.0", a.get(java.util.jar.Attributes.Name.MANIFEST_VERSION));
    URL invURL = createContent("InvalidJar.jar", "Test.class");
    JarURLConnection juConn = (JarURLConnection) invURL.openConnection();
    try {
        juConn.getMainAttributes();
        fail("IOException was not thrown.");
    } catch (java.io.IOException io) {
    //expected
    }
}

Example 33 with Attributes

use of java.util.jar.Attributes in project bazel by bazelbuild.

the class SingleJar method createManifest.

/**
   * Creates a manifest and returns an input stream for its contents.
   */
private InputStream createManifest() throws IOException {
    Manifest manifest = new Manifest();
    Attributes attributes = manifest.getMainAttributes();
    attributes.put(Attributes.Name.MANIFEST_VERSION, "1.0");
    attributes.put(new Attributes.Name("Created-By"), "blaze-singlejar");
    if (mainClass != null) {
        attributes.put(Attributes.Name.MAIN_CLASS, mainClass);
    }
    if (extraManifestContent != null) {
        ByteArrayInputStream in = new ByteArrayInputStream(extraManifestContent.getBytes("UTF8"));
        manifest.read(in);
    }
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    manifest.write(out);
    return new ByteArrayInputStream(out.toByteArray());
}

Example 34 with Attributes

use of java.util.jar.Attributes in project platform_frameworks_base by android.

the class StrictJarManifest method write.

/**
     * Writes out the attribute information of the specified manifest to the
     * specified {@code OutputStream}
     *
     * @param manifest
     *            the manifest to write out.
     * @param out
     *            The {@code OutputStream} to write to.
     * @throws IOException
     *             If an error occurs writing the {@code StrictJarManifest}.
     */
static void write(StrictJarManifest manifest, OutputStream out) throws IOException {
    CharsetEncoder encoder = StandardCharsets.UTF_8.newEncoder();
    ByteBuffer buffer = ByteBuffer.allocate(LINE_LENGTH_LIMIT);
    Attributes.Name versionName = Attributes.Name.MANIFEST_VERSION;
    String version = manifest.mainAttributes.getValue(versionName);
    if (version == null) {
        versionName = Attributes.Name.SIGNATURE_VERSION;
        version = manifest.mainAttributes.getValue(versionName);
    }
    if (version != null) {
        writeEntry(out, versionName, version, encoder, buffer);
        Iterator<?> entries = manifest.mainAttributes.keySet().iterator();
        while (entries.hasNext()) {
            Attributes.Name name = (Attributes.Name) entries.next();
            if (!name.equals(versionName)) {
                writeEntry(out, name, manifest.mainAttributes.getValue(name), encoder, buffer);
            }
        }
    }
    out.write(LINE_SEPARATOR);
    Iterator<String> i = manifest.getEntries().keySet().iterator();
    while (i.hasNext()) {
        String key = i.next();
        writeEntry(out, Attributes.Name.NAME, key, encoder, buffer);
        Attributes attributes = manifest.entries.get(key);
        Iterator<?> entries = attributes.keySet().iterator();
        while (entries.hasNext()) {
            Attributes.Name name = (Attributes.Name) entries.next();
            writeEntry(out, name, attributes.getValue(name), encoder, buffer);
        }
        out.write(LINE_SEPARATOR);
    }
}

Example 35 with Attributes

use of java.util.jar.Attributes in project gocd by gocd.

the class JarUtil method getManifestKey.

public static String getManifestKey(String jar, String key) {
    String version = null;
    try {
        JarFile jarFile = new JarFile(jar);
        Manifest manifest = jarFile.getManifest();
        if (manifest != null) {
            Attributes attributes = manifest.getMainAttributes();
            version = attributes.getValue(key);
        }
    } catch (IOException e) {
        LOG.error("Exception while trying to read Go-Version from " + jar + ":" + e.toString());
    }
    return version;
}