Example usage for java.lang Class getProtectionDomain

Introduction

In this page you can find the example usage for java.lang Class getProtectionDomain.

Prototype

public java.security.ProtectionDomain getProtectionDomain() 

Source Link

Document

Returns the ProtectionDomain of this class.

Usage

From source file:com.streamsets.pipeline.stage.destination.mapreduce.MapreduceUtils.java

/**
 * Returns path to the jar containing location to given class.
 *//*from   w w  w.j a  va  2s .c  o  m*/
public static String jarForClass(Class klass) {
    return klass.getProtectionDomain().getCodeSource().getLocation().toString();
}

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From source file:edu.cornell.med.icb.util.VersionUtils.java

/**
 * Gets the Implementation-Version attribute from the manifest of the jar file a class
 * is loaded from./*  w w  w . ja v  a 2s . c  o  m*/
 * @param clazz The class to get the version for
 * @return The value of the Implementation-Version attribute or "UNKNOWN" if the
 * jar file cannot be read.
 */
public static String getImplementationVersion(final Class<?> clazz) {
    String version;
    try {
        final String classContainer = clazz.getProtectionDomain().getCodeSource().getLocation().toString();
        final URL manifestUrl = new URL("jar:" + classContainer + "!/" + JarFile.MANIFEST_NAME);
        final Manifest manifest = new Manifest(manifestUrl.openStream());
        final Attributes attributes = manifest.getMainAttributes();
        version = attributes.getValue(Attributes.Name.IMPLEMENTATION_VERSION);
    } catch (Exception e) {
        // pretty much any error here is ok since we may not even have a jar to read from
        version = "UNKNOWN";
    }

    if (LOG.isDebugEnabled()) {
        LOG.debug(Attributes.Name.IMPLEMENTATION_VERSION + ": " + version);
    }
    return StringUtils.defaultString(version);
}

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From source file:uk.dsxt.voting.common.utils.PropertiesHelper.java

public static File getParentFile(Class cls) {
    return new File(cls.getProtectionDomain().getCodeSource().getLocation().getPath()).getParentFile();
}

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From source file:com.navercorp.pinpoint.bootstrap.AgentDirBaseClassPathResolverTest.java

private static String getClassLocation(Class<?> clazz) {
    CodeSource codeSource = clazz.getProtectionDomain().getCodeSource();
    URL location = codeSource.getLocation();
    logger.debug("codeSource.getLocation:{}", location);
    File file = FileUtils.toFile(location);
    return file.getPath();
}

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From source file:com.arrow.acs.ManifestUtils.java

public static Manifest readManifest(Class<?> clazz) {
    String method = "readManifest";
    String jarFile = null;/* w ww.ja v a  2 s  . co  m*/
    String path = clazz.getProtectionDomain().getCodeSource().getLocation().toString();
    for (String token : path.split("/")) {
        token = token.replace("!", "").toLowerCase().trim();
        if (token.endsWith(".jar")) {
            jarFile = token;
            break;
        }
    }
    LOGGER.logInfo(method, "className: %s, path: %s, jarFile: %s", clazz.getName(), path, jarFile);
    InputStream is = null;
    try {
        if (!StringUtils.isEmpty(jarFile)) {
            Enumeration<URL> enumeration = Thread.currentThread().getContextClassLoader()
                    .getResources(JarFile.MANIFEST_NAME);
            while (enumeration.hasMoreElements()) {
                URL url = enumeration.nextElement();
                for (String token : url.toString().split("/")) {
                    token = token.replace("!", "").toLowerCase();
                    if (token.equals(jarFile)) {
                        LOGGER.logInfo(method, "loading manifest from: %s", url.toString());
                        return new Manifest(is = url.openStream());
                    }
                }
            }
        } else {
            URL url = new URL(path + "/META-INF/MANIFEST.MF");
            LOGGER.logInfo(method, "loading manifest from: %s", url.toString());
            return new Manifest(is = url.openStream());
        }
    } catch (IOException e) {
    } finally {
        IOUtils.closeQuietly(is);
    }
    LOGGER.logError(method, "manifest file not found for: %s", clazz.getName());
    return null;
}

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From source file:by.stub.cli.CommandLineIntepreter.java

/**
 * Returns stubby4j JAR path, relative to current execution directory under local filesystem based
 * on the given class executed within the JAR.
 *
 * @param theclass Class executed within the JAR. The class discloses JAR's current location
 * @return relative stubby4j JAR path//w  w w .  j a  va 2s.c  o m
 */
public static String getCurrentJarLocation(final Class theclass) {
    final URL location = theclass.getProtectionDomain().getCodeSource().getLocation();

    final String jarAbsolutePath = new File(location.getFile()).getAbsolutePath();
    final String jar = jarAbsolutePath.replaceAll(System.getProperty("user.dir") + "/", "");

    if (StringUtils.toLower(jar).endsWith(".jar")) {
        return jar;
    }

    return "stubby4j-x.x.x-SNAPSHOT.jar";
}

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From source file:com.intuit.autumn.utils.PropertyFactory.java

private static void fromJar(final String propertyResourceName, @Nullable final Class base,
        final Properties properties) {
    if (base == null) {
        return;/*from  w w w  .j av  a  2s .  c o  m*/
    }

    CodeSource src = base.getProtectionDomain().getCodeSource();

    if (src == null) {
        return;
    }

    Properties propertiesFromJar = getPropertyFromJar(base, propertyResourceName.substring(1), src);

    for (Entry<Object, Object> entry : propertiesFromJar.entrySet()) {
        if (!properties.containsKey(entry.getKey())) {
            LOGGER.debug("overriding key: {}, newValue: {}, originalValue: {}",
                    new Object[] { entry.getKey(), propertiesFromJar, entry.getValue() });

            properties.setProperty((String) entry.getKey(), (String) entry.getValue());
        }
    }
}

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From source file:utils.TestUtils.java

private static File codeSourceDir(Class<?> clazz) {
    URI uri = null;//from w  w  w  . j ava  2 s.  c o  m
    try {
        uri = clazz.getProtectionDomain().getCodeSource().getLocation().toURI();
        File jarOrDir = new File(uri);
        return jarOrDir.isDirectory() ? jarOrDir : jarOrDir.getParentFile();
    } catch (URISyntaxException e) {
        throw new RuntimeException(e);
    }
}

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From source file:Main.java

/**
 * Gets the base location of the given class.
 * <p>/*  w w  w .ja  v a2 s.c  o  m*/
 * If the class is directly on the file system (e.g.,
 * "/path/to/my/package/MyClass.class") then it will return the base directory
 * (e.g., "file:/path/to").
 * </p>
 * <p>
 * If the class is within a JAR file (e.g.,
 * "/path/to/my-jar.jar!/my/package/MyClass.class") then it will return the
 * path to the JAR (e.g., "file:/path/to/my-jar.jar").
 * </p>
 * 
 * @param c The class whose location is desired.
 * @see FileUtils#urlToFile(URL) to convert the result to a {@link File}.
 */
public static URL getLocation(final Class<?> c) {
    if (c == null)
        return null; // could not load the class

    // try the easy way first
    try {
        final URL codeSourceLocation = c.getProtectionDomain().getCodeSource().getLocation();
        if (codeSourceLocation != null)
            return codeSourceLocation;
    } catch (SecurityException e) {
        // NB: Cannot access protection domain.
    } catch (NullPointerException e) {
        // NB: Protection domain or code source is null.
    }

    // NB: The easy way failed, so we try the hard way. We ask for the class
    // itself as a resource, then strip the class's path from the URL string,
    // leaving the base path.

    // get the class's raw resource path
    final URL classResource = c.getResource(c.getSimpleName() + ".class");
    if (classResource == null)
        return null; // cannot find class resource

    final String url = classResource.toString();
    final String suffix = c.getCanonicalName().replace('.', '/') + ".class";
    if (!url.endsWith(suffix))
        return null; // weird URL

    // strip the class's path from the URL string
    final String base = url.substring(0, url.length() - suffix.length());

    String path = base;

    // remove the "jar:" prefix and "!/" suffix, if present
    if (path.startsWith("jar:"))
        path = path.substring(4, path.length() - 2);

    try {
        return new URL(path);
    } catch (MalformedURLException e) {
        e.printStackTrace();
        return null;
    }
}

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From source file:com.chaschev.install.InstallMojo.java

public static File getJarByClass(Class<?> aClass) {
    return new File(aClass.getProtectionDomain().getCodeSource().getLocation().getFile());
}

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