Example usage for java.security AccessController doPrivileged

Introduction

In this page you can find the example usage for java.security AccessController doPrivileged.

Prototype

@CallerSensitive
public static <T> T doPrivileged(PrivilegedExceptionAction<T> action) throws PrivilegedActionException

Source Link

Document

Performs the specified PrivilegedExceptionAction with privileges enabled.

Usage

From source file:org.beangle.model.persist.hibernate.internal.ChainedClassLoader.java

public Class<?> loadClass(final String name) throws ClassNotFoundException {

    if (System.getSecurityManager() != null) {
        try {/*  w ww. j a  v a2s  .com*/
            return AccessController.doPrivileged(new PrivilegedExceptionAction<Class<?>>() {

                public Class<?> run() throws Exception {
                    return doLoadClass(name);
                }
            });
        } catch (PrivilegedActionException pae) {
            throw (ClassNotFoundException) pae.getException();
        }
    } else {
        return doLoadClass(name);
    }
}

From source file:it.cnr.icar.eric.server.container.DerbyHelper.java

/**
 * {@inheritDoc}/*from   ww  w  . ja v  a  2s .co m*/
 * In this case, set ${derby.system.home} System property to provided
 * {@code configDirectory} value, if any.  Does nothing for callers
 * with a consistent current directory -- for which this property
 * setting and the parameter value are unecessary.
 */
public void initialize(String configDirectory, GenericListener listener) {
    if (null != configDirectory && 0 < configDirectory.length()) {
        try {
            AccessController.doPrivileged(new SetDerbySystemProp(configDirectory));
        } catch (Exception e) {
            log.error(rb.getString("message.failureSettingDerbyHome"), e);
        }
    }

    this.listener = listener;
}

From source file:com.datos.vfs.impl.PrivilegedFileReplicator.java

/**
 * Creates a local copy of the file, and all its descendants.
 *
 * @param srcFile The source FileObject.
 * @param selector The file selector./*from   w  w w  .  j a  v  a 2 s.  c  om*/
 * @return The replicated file.
 * @throws FileSystemException if an error occurs.
 */
@Override
public File replicateFile(final FileObject srcFile, final FileSelector selector) throws FileSystemException {
    try {
        final ReplicateAction action = new ReplicateAction(srcFile, selector);
        return AccessController.doPrivileged(action);
    } catch (final PrivilegedActionException e) {
        throw new FileSystemException("vfs.impl/replicate-file.error", e, srcFile.getName());
    }
}

From source file:edu.ku.brc.dbsupport.SchemaUpdateService.java

/**
 * Returns the instance of the AppContextMgr.
 * @return the instance of the AppContextMgr.
 *///from ww w  . java2  s  .c o  m
public static SchemaUpdateService getInstance() {
    if (instance != null) {
        return instance;

    }
    // else
    String factoryNameStr = AccessController.doPrivileged(new PrivilegedAction<String>() {
        public String run() {
            return System.getProperty(factoryName);
        }
    });

    if (factoryNameStr != null) {
        try {
            instance = (SchemaUpdateService) Class.forName(factoryNameStr).newInstance();
            return instance;

        } catch (Exception e) {
            edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount();
            edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(SchemaUpdateService.class, e);
            InternalError error = new InternalError(
                    "Can't instantiate AppContextMgr factory " + factoryNameStr); //$NON-NLS-1$
            error.initCause(e);
            throw error;
        }
    }
    return null;
}

From source file:org.apache.openjpa.lib.util.Files.java

/**
 * Return the file for the class resource with the given extension.
 *//*  w ww.  j  a  v  a  2s. c o  m*/
private static File getClassFile(Class cls, String ext) {
    String name = Strings.getClassName(cls);

    // if it's an inner class, use the parent class name
    int innerIdx = name.indexOf('$');
    if (innerIdx != -1)
        name = name.substring(0, innerIdx);

    URL rsrc = AccessController.doPrivileged(J2DoPrivHelper.getResourceAction(cls, name + ext));
    if (rsrc != null && rsrc.getProtocol().equals("file"))
        return new File(URLDecoder.decode(rsrc.getFile()));
    return null;
}

From source file:com.stratuscom.harvester.Utils.java

public static void logGrantsToClass(final Logger log, final Level level, final Class c) {
    AccessController.doPrivileged(new PrivilegedAction<Object>() {
        public Object run() {
            ClassLoader cl = c.getClassLoader();
            DynamicPolicyProvider dpp = (DynamicPolicyProvider) Policy.getPolicy();
            Permission[] perms = dpp.getGrants(c, null);
            log.log(level, MessageNames.GRANTS_TO_CLASS_ARE, new Object[] { c.getName(), Utils.format(perms) });
            return null;
        }/*from   ww w.  j a va  2  s.  c o m*/
    });
}

From source file:org.apache.ws.security.util.Loader.java

/**
 * Get the class loader of the class argument
 * <p/>/*from www  .j ava  2s. c o  m*/
 *
 * @return the class loader of the argument
 */
public static ClassLoader getClassLoader(final Class clazz) {
    return (ClassLoader) AccessController.doPrivileged(new PrivilegedAction() {
        public Object run() {
            return clazz.getClassLoader();
        }
    });
}

From source file:gridool.util.system.SystemUtils.java

public static boolean isEpollEnabled() {
    final String osname = AccessController.doPrivileged(new GetPropertyAction("os.name"));
    if ("SunOS".equals(osname)) {
        return true;
    }/*w  ww . ja  v a 2 s.c  o  m*/

    // use EPollSelectorProvider for Linux kernels >= 2.6
    if ("Linux".equals(osname)) {
        String osversion = AccessController.doPrivileged(new GetPropertyAction("os.version"));
        final String[] vers = osversion.split("\\.", 0);
        if (vers.length >= 2) {
            try {
                final int major = Integer.parseInt(vers[0]);
                final int minor = Integer.parseInt(vers[1]);
                if (major > 2 || (major == 2 && minor >= 6)) {
                    return true;
                }
            } catch (NumberFormatException x) {
                // format not recognized
            }
        }
    }
    return false;
}

From source file:org.codice.ddf.admin.application.service.command.ProfileInstallCommand.java

@Override
protected final void doExecute(ApplicationService applicationService, FeaturesService featuresService,
        BundleService bundleService) throws Exception {

    profileName = profileName.trim();//from ww w. j  av  a2 s.  c  om

    if (profileName.startsWith(".") || profileName.startsWith("/")
            || profileName.matches("((?i)(?s)[A-Z]):.*")) {
        throw new IllegalArgumentException(
                "Profile Name must not start with '.', '/', or a windows drive letter");
    }

    try {
        AccessController.doPrivileged((PrivilegedExceptionAction<Void>) () -> {
            installProfile(applicationService, featuresService, bundleService, profileName);
            return null;
        });
    } catch (PrivilegedActionException e) {
        throw e.getException();
    }
}

From source file:org.apache.openjpa.persistence.PersistenceProductDerivation.java

@Override
public void validate() throws Exception {
    // make sure JPA is available
    AccessController
            .doPrivileged(J2DoPrivHelper.getClassLoaderAction(javax.persistence.EntityManagerFactory.class));
}