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.pentaho.di.kitchen.KitchenIT.java

@Before
public void setUp() {
    oldSecurityManager = System.getSecurityManager();
    System.setSecurityManager(new MySecurityManager(oldSecurityManager));
}

From source file:com.sshtools.common.ui.ResourceIcon.java

/**
 *
 *
 * @param imageName//from   ww  w . jav a2 s  . c  o m
 */
protected void loadImage(String imageName) {
    Image image = null;
    URL url = cls.getResource(imageName);

    if (url != null) {
        log.debug(url.toString());
        image = Toolkit.getDefaultToolkit().getImage(url);
    } else {
        try {
            if (System.getSecurityManager() != null) {
                AccessController.checkPermission(new FilePermission(imageName, "read"));
            }

            image = Toolkit.getDefaultToolkit().getImage(imageName);
        } catch (AccessControlException ace) {
            log.error("Icon " + imageName + " could not be located as a "
                    + "resource, and the current security manager will not "
                    + "allow checking for a local file.");
        }
    }

    if (image != null) {
        this.setImage(image);
    }
}

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

public void beforeClose(final BlueprintEvent event) {
    if (dispatcher != null) {
        try {/*www. j  av a  2s  .  com*/
            if (System.getSecurityManager() != null) {
                AccessController.doPrivileged(new PrivilegedAction<Object>() {
                    public Object run() {
                        dispatcher.beforeClose(event);
                        return null;
                    }
                });
            } else {
                dispatcher.beforeClose(event);
            }
        } catch (Throwable th) {
            log.warn("Cannot dispatch event " + event, th);
        }
    }
}

From source file:com.sshtools.j2ssh.transport.AbstractKnownHostsKeyVerification.java

/**
 * <p>//ww  w. ja  v  a 2  s  .  com
 * Constructs a host key verification instance reading the specified
 * known_hosts file.
 * </p>
 *
 * @param knownhosts the path of the known_hosts file
 *
 * @throws InvalidHostFileException if the known_hosts file is invalid
 *
 * @since 0.2.0
 */
public AbstractKnownHostsKeyVerification(String knownhosts) throws InvalidHostFileException {
    InputStream in = null;

    try {
        //  If no host file is supplied, or there is not enough permission to load
        //  the file, then just create an empty list.
        if (knownhosts != null) {
            if (System.getSecurityManager() != null) {
                AccessController.checkPermission(new FilePermission(knownhosts, "read"));
            }

            //  Load the hosts file. Do not worry if fle doesnt exist, just disable
            //  save of
            File f = new File(knownhosts);

            if (f.exists()) {
                in = new FileInputStream(f);

                BufferedReader reader = new BufferedReader(new InputStreamReader(in));
                String line;

                while ((line = reader.readLine()) != null) {
                    StringTokenizer tokens = new StringTokenizer(line, " ");
                    String host = (String) tokens.nextElement();
                    String algorithm = (String) tokens.nextElement();
                    String key = (String) tokens.nextElement();

                    SshPublicKey pk = SshKeyPairFactory.decodePublicKey(Base64.decode(key));

                    /*if (host.indexOf(",") > -1) {
                       host = host.substring(0, host.indexOf(","));
                     }*/
                    putAllowedKey(host, pk);

                    //allowedHosts.put(host + "#" + pk.getAlgorithmName(), pk);
                }

                reader.close();

                hostFileWriteable = f.canWrite();
            } else {
                // Try to create the file and its parents if necersary
                f.getParentFile().mkdirs();

                if (f.createNewFile()) {
                    FileOutputStream out = new FileOutputStream(f);
                    out.write(toString().getBytes());
                    out.close();
                    hostFileWriteable = true;
                } else {
                    hostFileWriteable = false;
                }
            }

            if (!hostFileWriteable) {
                log.warn("Host file is not writeable.");
            }

            this.knownhosts = knownhosts;
        }
    } catch (AccessControlException ace) {
        hostFileWriteable = false;
        log.warn("Not enough permission to load a hosts file, so just creating an empty list");
    } catch (IOException ioe) {
        hostFileWriteable = false;
        log.info("Could not open or read " + knownhosts + ": " + ioe.getMessage());
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException ioe) {
            }
        }
    }
}

From source file:pt.lsts.neptus.util.logdownload.LogsDownloaderWorkerUtil.java

/**
 * Creates a {@link ScheduledThreadPoolExecutor} for use on {@link LogsDownloaderWorker}.
 * /*ww w.  ja  v  a2  s.  co  m*/
 * @param caller
 * @return
 */
static ScheduledThreadPoolExecutor createThreadPool(LogsDownloaderWorker caller) {
    ScheduledThreadPoolExecutor ret = (ScheduledThreadPoolExecutor) Executors.newScheduledThreadPool(4,
            new ThreadFactory() {
                private ThreadGroup group;
                private long count = 0;
                {
                    SecurityManager s = System.getSecurityManager();
                    group = (s != null) ? s.getThreadGroup() : Thread.currentThread().getThreadGroup();
                }

                @Override
                public Thread newThread(Runnable r) {
                    Thread t = new Thread(group, r);
                    t.setName(caller.getClass().getSimpleName() + "::" + Integer.toHexString(caller.hashCode())
                            + "::" + count++);
                    t.setDaemon(true);
                    return t;
                }
            });

    return ret;
}

From source file:org.wso2.carbon.core.ServerManagement.java

/**
 * Method to switch a node to maintenance mode.
 * <p/>//  w  w  w  .  j av  a 2 s  . c  om
 * Here is the sequence of events:
 * <p/>
 * <ol>
 * <li>Client calls this method</li>
 * <li>The server stops accepting new requests/connections, but continues to stay alive so
 * that old requests & connections can be served</li>
 * <li>Once all requests have been processed, the method returns</li
 * </ol>
 * @throws Exception - on errors while starting maintenance
 */
public void startMaintenance() throws Exception {
    SecurityManager secMan = System.getSecurityManager();
    if (secMan != null) {
        secMan.checkPermission(new ManagementPermission("control"));
    }
    log.info("Starting to switch to maintenance mode...");
    for (TransportInDescription tinDesc : inTransports.values()) {
        TransportListener transport = tinDesc.getReceiver();
        transport.stop();
    }
    log.info("Stopped all transport listeners");

    waitForRequestCompletion();
}

From source file:org.kchine.r.server.http.frontend.RebindServlet.java

public void init(ServletConfig sConfig) throws ServletException {
    super.init(sConfig);
    log.info("command servlet init");
    PoolUtils.injectSystemProperties(true);
    ServerDefaults.init();//from ww  w.  j  ava  2 s . c o  m
    if (System.getSecurityManager() == null) {
        System.setSecurityManager(new YesSecurityManager());
    }
}

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

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

    if (System.getSecurityManager() != null) {
        try {/* www. j  a v a  2s.  c o m*/
            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:com.sshtools.j2ssh.configuration.ConfigurationLoader.java

/**
 *
 *
 * @param property//from   w  ww  . j  av a2  s  . c  o m
 * @param defaultValue
 *
 * @return
 */
public static String checkAndGetProperty(String property, String defaultValue) {
    //  Check for access to sshtools.platform
    try {
        if (System.getSecurityManager() != null) {
            AccessController.checkPermission(new PropertyPermission(property, "read"));
        }

        return System.getProperty(property, defaultValue);
    } catch (AccessControlException ace) {
        return defaultValue;
    }
}

From source file:org.wso2.carbon.webapp.mgt.TomcatGenericWebappsDeployer.java

/**
 * Constructor//from ww w. ja va2 s . c  o m
 *
 * @param webContextPrefix         The Web context prefix
 * @param tenantId                 The tenant ID of the tenant to whom this deployer belongs to
 * @param tenantDomain             The tenant domain of the tenant to whom this deployer belongs to
 * @param webApplicationsHolderMap WebApplicationsHolder
 */
public TomcatGenericWebappsDeployer(String webContextPrefix, int tenantId, String tenantDomain,
        Map<String, WebApplicationsHolder> webApplicationsHolderMap,
        ConfigurationContext configurationContext) {
    SecurityManager secMan = System.getSecurityManager();
    if (secMan != null) {
        secMan.checkPermission(new ManagementPermission("control"));
    }
    this.tenantId = tenantId;
    this.tenantDomain = tenantDomain;
    this.webContextPrefix = webContextPrefix;
    this.webApplicationsHolderMap = webApplicationsHolderMap;
    this.configurationContext = configurationContext;
}