Example usage for java.lang System getSecurityManager

Introduction

In this page you can find the example usage for java.lang System getSecurityManager.

Prototype

public static SecurityManager getSecurityManager()

Source Link

Document

Gets the system-wide security manager.

Usage

From source file:org.jboss.as.forge.util.Files.java

static String getProperty(final String key) {
    if (System.getSecurityManager() == null) {
        return System.getProperty(key);
    }//from   w w w  .j av  a  2 s. c o  m
    return AccessController.doPrivileged(new PrivilegedAction<String>() {
        @Override
        public String run() {
            return System.getProperty(key);
        }
    });
}

From source file:org.apache.cxf.common.logging.LogUtils.java

private static void setContextClassLoader(final ClassLoader classLoader) {
    final SecurityManager sm = System.getSecurityManager();
    if (sm != null) {
        AccessController.doPrivileged(new PrivilegedAction<Object>() {
            public Object run() {
                Thread.currentThread().setContextClassLoader(classLoader);
                return null;
            }/* w  w w  .  j a v  a 2  s. c  o  m*/
        });
    } else {
        Thread.currentThread().setContextClassLoader(classLoader);
    }
}

From source file:org.apache.camel.management.DefaultManagementAgent.java

protected void createMBeanServer() {
    String hostName;//w  w w.  j av  a  2  s .c  o  m
    boolean canAccessSystemProps = true;
    try {
        // we'll do it this way mostly to determine if we should lookup the hostName
        SecurityManager sm = System.getSecurityManager();
        if (sm != null) {
            sm.checkPropertiesAccess();
        }
    } catch (SecurityException se) {
        canAccessSystemProps = false;
    }

    if (canAccessSystemProps) {
        try {
            hostName = InetAddress.getLocalHost().getHostName();
        } catch (UnknownHostException uhe) {
            LOG.info("Cannot determine localhost name. Using default: " + DEFAULT_REGISTRY_PORT, uhe);
            hostName = DEFAULT_HOST;
        }
    } else {
        hostName = DEFAULT_HOST;
    }

    server = findOrCreateMBeanServer();

    try {
        // Create the connector if we need
        if (createConnector) {
            createJmxConnector(hostName);
        }
    } catch (IOException ioe) {
        LOG.warn("Could not create and start JMX connector.", ioe);
    }
}

From source file:org.apache.catalina.core.ApplicationContextFacade.java

public Object getAttribute(String name) {
    if (System.getSecurityManager() != null) {
        return doPrivileged("getAttribute", new Object[] { name });
    } else {/*w  ww .ja  v a2  s  .c  o m*/
        return context.getAttribute(name);
    }
}

From source file:org.pepstock.jem.ant.tasks.StepListener.java

/**
 * Called by ANT engine when a step is ended.<br>
 * Notifies to JEM a summary about step execution (i.e. return-code,
 * exception).//from   ww w .  j a  va 2s. c  om
 * 
 * @param event ANT event
 */
@Override
public void targetFinished(BuildEvent event) {
    AntBatchSecurityManager batchSM = (AntBatchSecurityManager) System.getSecurityManager();
    batchSM.setInternalAction(true);

    // checks if the target name is empty. if yes, does nothing
    if (!"".equals(event.getTarget().getName())) {
        try {
            // creates object to send to JEM
            Step step = new Step();
            // sets step name and description
            step.setName(event.getTarget().getName());
            step.setDescription(event.getTarget().getDescription());

            // checks if has an exception.If yes, sets ERROR, otherwise
            // SUCCESS
            step.setReturnCode((event.getException() != null) ? Result.ERROR : Result.SUCCESS);
            // checks if has an exception, sets the exception message
            if (event.getException() != null) {
                step.setException(event.getException().getMessage());
            }

            // send to JEM by RMI
            door.setStepEnded(JobId.VALUE, step);

            // if setp locking scope is st, unlocks resources
            if (isStepLockingScope()) {
                locker.unlock();
            }

        } catch (AntException e) {
            throw new BuildException(e);
        } catch (RemoteException e) {
            throw new BuildException(e);
        } finally {
            batchSM.setInternalAction(false);
        }
    }
    batchSM.setInternalAction(false);
}

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

public void setAttribute(final String name, final Object attribute) {

    if (name == null) {
        throw new NullPointerException(Localizer.getMessage("jsp.error.attribute.null_name"));
    }/* ww  w .j a  v a2s.  c  om*/

    if (System.getSecurityManager() != null) {
        AccessController.doPrivileged(new PrivilegedAction() {
            public Object run() {
                doSetAttribute(name, attribute);
                return null;
            }
        });
    } else {
        doSetAttribute(name, attribute);
    }
}

From source file:org.eclipse.gemini.blueprint.config.internal.adapter.OsgiServiceLifecycleListenerAdapter.java

public void unbind(final Object service, final Map properties) throws Exception {
    boolean trace = log.isTraceEnabled();
    if (!initialized)
        retrieveTarget();/*  w ww . j a  va2s.  com*/

    if (trace)
        log.trace("Invoking unbind method for service " + ObjectUtils.identityToString(service) + " with props="
                + properties);

    boolean isSecurityEnabled = (System.getSecurityManager() != null);
    AccessControlContext acc = null;

    if (isSecurityEnabled) {
        acc = SecurityUtils.getAccFrom(beanFactory);
    }

    // first call interface method (if it exists)
    if (isLifecycleListener) {
        if (trace)
            log.trace("Invoking listener interface methods");
        try {
            if (isSecurityEnabled) {
                AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {
                    public Object run() throws Exception {
                        ((OsgiServiceLifecycleListener) target).unbind(service, properties);
                        return null;
                    }
                }, acc);
            } else {
                ((OsgiServiceLifecycleListener) target).unbind(service, properties);
            }
        } catch (Exception ex) {
            log.warn("Standard unbind method on [" + target.getClass().getName() + "] threw exception", ex);
        }
    }

    if (isSecurityEnabled) {
        AccessController.doPrivileged(new PrivilegedAction<Object>() {
            public Object run() {
                CustomListenerAdapterUtils.invokeCustomMethods(target, unbindMethods, service, properties);
                invokeCustomServiceReferenceMethod(target, unbindReference, service);
                return null;
            }
        }, acc);
    } else {
        CustomListenerAdapterUtils.invokeCustomMethods(target, unbindMethods, service, properties);
        invokeCustomServiceReferenceMethod(target, unbindReference, service);
    }
}

From source file:org.codehaus.wadi.core.manager.TomcatSessionIdFactory.java

/** Use /dev/random-type special device. This is new code, but may reduce the
 *  big delay in generating the random.//from   ww w . java  2 s . c  o m
 *
 *  You must specify a path to a random generator file. Use /dev/urandom
 *  for linux ( or similar ) systems. Use /dev/random for maximum security
 *  ( it may block if not enough "random" exist ). You can also use
 *  a pipe that generates random.
 *
 *  The code will check if the file exists, and default to java Random
 *  if not found. There is a significant performance difference, very
 *  visible on the first call to getSession ( like in the first JSP )
 *  - so use it if available.
 */
public void setRandomFile(String s) {
    // as a hack, you can use a static file - and genarate the same
    // session ids ( good for strange traceging )
    if (System.getSecurityManager() != null) {
        randomIS = (DataInputStream) AccessController.doPrivileged(new PrivilegedSetRandomFile());
    } else {
        try {
            devRandomSource = s;
            File f = new File(devRandomSource);
            if (!f.exists())
                return;
            randomIS = new DataInputStream(new FileInputStream(f));
            randomIS.readLong();
            //   if( log.isTraceEnabled() )
            //     log.trace( "Opening " + devRandomSource );
        } catch (IOException ex) {
            randomIS = null;
        }
    }
}

From source file:org.apache.catalina.core.ApplicationContextFacade.java

public Enumeration getAttributeNames() {
    if (System.getSecurityManager() != null) {
        return (Enumeration) doPrivileged("getAttributeNames", null);
    } else {/*w  ww. j ava  2s . c om*/
        return context.getAttributeNames();
    }
}

From source file:org.apache.cxf.common.logging.LogUtils.java

private static ClassLoader getContextClassLoader() {
    final SecurityManager sm = System.getSecurityManager();
    if (sm != null) {
        return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
            public ClassLoader run() {
                return Thread.currentThread().getContextClassLoader();
            }/*from  www . j ava2 s  .c o m*/
        });
    }
    return Thread.currentThread().getContextClassLoader();
}