Example usage for java.security PrivilegedAction PrivilegedAction

Introduction

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

Prototype

PrivilegedAction

Source Link

Usage

From source file:org.apache.axis2.jaxws.description.builder.converter.JavaClassToDBCConverter.java

/**
 * This method will drive the introspection of the class-level information. It will store the
 * gathered information in the pertinent data members of the <code>DescriptionBuilderComposite</code>
 *
 * @param composite - <code>DescriptionBuilderComposite</code>
 *//*www.  ja  v  a2s  .  c  o m*/
private void introspectClass(DescriptionBuilderComposite composite) {
    // Need to investigate this, probably want to specify
    composite.setClassLoader(ClassLoaderUtils.getClassLoader(serviceClass));
    composite.setIsInterface(serviceClass.isInterface());
    composite.setSuperClassName(
            serviceClass.getSuperclass() != null ? serviceClass.getSuperclass().getName() : null);
    composite.setClassName(serviceClass.getName());
    setInterfaces(composite);
    setTypeTargettedAnnotations(composite);
    Field[] fields = (Field[]) AccessController.doPrivileged(new PrivilegedAction() {
        public Object run() {
            return serviceClass.getFields();
        }
    });
    if (fields.length > 0) {
        JavaFieldsToFDCConverter fieldConverter = new JavaFieldsToFDCConverter(fields);
        List<FieldDescriptionComposite> fdcList = fieldConverter.convertFields();
        ConverterUtils.attachFieldDescriptionComposites(composite, fdcList);
    }
    if (serviceClass.getMethods().length > 0) {
        // Inherited methods and constructors for superclasses will be in a seperate DBC for
        // the superclass.  We only need the ones actually declared in this class.
        Method[] methods = (Method[]) AccessController.doPrivileged(new PrivilegedAction() {
            public Object run() {
                return serviceClass.getDeclaredMethods();
            }
        });
        Constructor[] declaredConstructors = (Constructor[]) AccessController
                .doPrivileged(new PrivilegedAction() {
                    public Object run() {
                        return serviceClass.getDeclaredConstructors();
                    }
                });
        JavaMethodsToMDCConverter methodConverter = new JavaMethodsToMDCConverter(methods, declaredConstructors,
                serviceClass.getName());
        List<MethodDescriptionComposite> mdcList = methodConverter.convertMethods();
        ConverterUtils.attachMethodDescriptionComposites(composite, mdcList);
    }
}

From source file:org.acmsl.commons.regexpplugin.RegexpManager.java

/**
 * Retrieves current engine.// ww w.  j  ava2  s  .  co  m
 * Note: The lookup mechanism is adapted from Commons-Logging.
 * @param useClassLoader whether to use class loader or not.
 * @return the engine information.
 * @throws RegexpEngineNotFoundException if no engine can be used.
 */
@NotNull
protected RegexpEngine getEngine(final boolean useClassLoader) throws RegexpEngineNotFoundException {
    @NotNull
    final RegexpEngine result;

    @NotNull
    ClassLoader t_ClassLoader = getClass().getClassLoader();

    if (useClassLoader) {
        // Identify the class loader we will be using
        t_ClassLoader = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
            public ClassLoader run() {
                return getContextClassLoader();
            }
        });
    }

    result = getEngineUsingClassLoader(t_ClassLoader);

    return result;
}

From source file:org.apache.struts2.jasper.runtime.PageContextImpl.java

public Object getAttribute(final String name) {

    if (name == null) {
        throw new NullPointerException(Localizer.getMessage("jsp.error.attribute.null_name"));
    }/*from   w w w. j a v a2 s  .co  m*/

    if (SecurityUtil.isPackageProtectionEnabled()) {
        return AccessController.doPrivileged(new PrivilegedAction() {
            public Object run() {
                return doGetAttribute(name);
            }
        });
    } else {
        return doGetAttribute(name);
    }

}

From source file:org.apache.ranger.services.hive.client.HiveClient.java

public List<String> getTableList(String tableNameMatching, List<String> databaseList, List<String> tblNameList)
        throws HadoopException {
    final String tblNameMatching = tableNameMatching;
    final List<String> dbList = databaseList;
    final List<String> tblList = tblNameList;

    List<String> tableList = Subject.doAs(getLoginSubject(), new PrivilegedAction<List<String>>() {
        public List<String> run() {
            List<String> ret = null;
            try {
                ret = getTblList(tblNameMatching, dbList, tblList);
            } catch (HadoopException he) {
                LOG.error("<== HiveClient getTblList() :Unable to get the Table List", he);
                throw he;
            }//from  www .  j a v a  2s . c o m
            return ret;
        }
    });

    return tableList;
}

From source file:com.reelfx.controller.LinuxController.java

public static void deleteOutput() {
    AccessController.doPrivileged(new PrivilegedAction<Object>() {

        @Override/*from   w w  w .j  a  v a  2  s . c o m*/
        public Object run() {
            try {
                if (MERGED_OUTPUT_FILE.exists() && !MERGED_OUTPUT_FILE.delete())
                    throw new Exception("Can't delete the old preview file on Linux!");
            } catch (Exception e) {
                e.printStackTrace();
            }
            return null;
        }
    });
}

From source file:org.eclipse.gemini.blueprint.extender.internal.blueprint.event.EventAdminDispatcher.java

public void waiting(final BlueprintEvent event) {
    if (dispatcher != null) {
        try {//from  www .ja va2 s.co m
            if (System.getSecurityManager() != null) {
                AccessController.doPrivileged(new PrivilegedAction<Object>() {
                    public Object run() {
                        dispatcher.waiting(event);
                        return null;
                    }
                });
            } else {
                dispatcher.waiting(event);
            }
        } catch (Throwable th) {
            log.warn("Cannot dispatch event " + event, th);
        }
    }
}

From source file:org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer.java

@SuppressWarnings("deprecation")
public void runLocalization(final InetSocketAddress nmAddr) throws IOException, InterruptedException {
    // load credentials
    initDirs(conf, user, appId, lfs, localDirs, userFolder);
    final Credentials creds = new Credentials();
    DataInputStream credFile = null;
    try {/*from   w  w w. j a  v  a 2  s.co m*/
        // assume credentials in cwd
        // TODO: Fix
        Path tokenPath = new Path(String.format(TOKEN_FILE_NAME_FMT, localizerId));
        credFile = lfs.open(tokenPath);
        creds.readTokenStorageStream(credFile);
        // Explicitly deleting token file.
        lfs.delete(tokenPath, false);
    } finally {
        if (credFile != null) {
            credFile.close();
        }
    }
    // create localizer context
    UserGroupInformation remoteUser = UserGroupInformation.createRemoteUser(user);
    remoteUser.addToken(creds.getToken(LocalizerTokenIdentifier.KIND));
    final LocalizationProtocol nodeManager = remoteUser.doAs(new PrivilegedAction<LocalizationProtocol>() {
        @Override
        public LocalizationProtocol run() {
            return getProxy(nmAddr);
        }
    });

    // create user context
    UserGroupInformation ugi = UserGroupInformation.createRemoteUser(user);
    for (Token<? extends TokenIdentifier> token : creds.getAllTokens()) {
        ugi.addToken(token);
    }

    ExecutorService exec = null;
    try {
        exec = createDownloadThreadPool();
        CompletionService<Path> ecs = createCompletionService(exec);
        localizeFiles(nodeManager, ecs, ugi);
        return;
    } catch (Throwable e) {
        throw new IOException(e);
    } finally {
        try {
            if (exec != null) {
                exec.shutdownNow();
            }
            LocalDirAllocator.removeContext(appCacheDirContextName);
        } finally {
            closeFileSystems(ugi);
        }
    }
}

From source file:org.eclipse.gemini.blueprint.test.provisioning.internal.LocalFileSystemMavenRepository.java

/**
 * Find a local maven artifact. First tries to find the resource as a
 * packaged artifact produced by a local maven build, and if that fails will
 * search the local maven repository./*w  w  w  .j a va  2s  .c om*/
 * 
 * @param groupId - the groupId of the organization supplying the bundle
 * @param artifactId - the artifact id of the bundle
 * @param version - the version of the bundle
 * @param type - the extension type of the artifact
 * @return
 */
public Resource locateArtifact(final String groupId, final String artifactId, final String version,
        final String type) {
    init();

    return (Resource) AccessController.doPrivileged(new PrivilegedAction() {

        public Object run() {
            try {

                return localMavenBuildArtifact(groupId, artifactId, version, type);
            } catch (IllegalStateException illStateEx) {
                Resource localMavenBundle = localMavenBundle(groupId, artifactId, version, type);
                if (log.isDebugEnabled()) {
                    StringBuilder buf = new StringBuilder();
                    buf.append("[");
                    buf.append(groupId);
                    buf.append("|");
                    buf.append(artifactId);
                    buf.append("|");
                    buf.append(version);
                    buf.append("]");
                    log.debug(buf
                            + " local maven build artifact detection failed, falling back to local maven bundle "
                            + localMavenBundle.getDescription());
                }
                return localMavenBundle;
            }
        }
    });
}

From source file:SecuritySupport.java

InputStream getResourceAsStream(final ClassLoader cl, final String name) {
    return (InputStream) AccessController.doPrivileged(new PrivilegedAction() {
        public Object run() {
            InputStream ris;//from  w w w. j  a  va  2 s.c  om
            if (cl == null) {
                ris = ClassLoader.getSystemResourceAsStream(name);
            } else {
                ris = cl.getResourceAsStream(name);
            }
            return ris;
        }
    });
}

From source file:org.rhq.enterprise.client.LocalClient.java

@Override
public ContentManagerRemote getContentManager() {
    return AccessController.doPrivileged(new PrivilegedAction<ContentManagerRemote>() {
        @Override// w w w  . ja  v  a2  s .  co  m
        public ContentManagerRemote run() {
            return getProxy(LookupUtil.getContentManager(), ContentManagerRemote.class);
        }
    });
}