Example usage for org.apache.commons.logging Log warn

Introduction

In this page you can find the example usage for org.apache.commons.logging Log warn.

Prototype

void warn(Object message, Throwable t);

Source Link

Document

Logs an error with warn log level.

Usage

From source file:net.darkmist.clf.Util.java

public static <T extends Closeable> T close(T toClose, Log logExceptionTo, String name) {
    if (toClose == null)
        return null;
    try {//  ww w.ja v  a2  s. c o m
        toClose.close();
    } catch (IOException e) {
        logExceptionTo.warn("IOException closing " + name + " ignored.", e);
    }
    return null;
}

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From source file:com.runwaysdk.logging.RunwayLogUtil.java

public static void logToLevel(Log log, LogLevel level, String msg, Throwable t) {
    if (level == LogLevel.TRACE) {
        log.trace(msg, t);//  w  w w.j a  va 2 s. c  o  m
    } else if (level == LogLevel.DEBUG) {
        log.debug(msg, t);
    } else if (level == LogLevel.INFO) {
        log.info(msg, t);
    } else if (level == LogLevel.WARN) {
        log.warn(msg, t);
    } else if (level == LogLevel.ERROR) {
        log.error(msg, t);
    } else if (level == LogLevel.FATAL) {
        log.fatal(msg, t);
    } else {
        log.fatal(
                "RunwayLogUtil.logToLevel was called, but an invalid level was specified. Here is the message we were passed: '"
                        + msg + "'");
    }
}

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From source file:edu.vt.middleware.crypt.util.CryptReader.java

/**
 * Attempts to create a Bouncy Castle <code>DERObject</code> from a byte array
 * representing ASN.1 encoded data.//from   ww  w. j a  va  2  s .  c o  m
 *
 * @param  data  ASN.1 encoded data as byte array.
 * @param  discardWrapper  In some cases the value of the encoded data may
 * itself be encoded data, where the latter encoded data is desired. Recall
 * ASN.1 data is of the form {TAG, SIZE, DATA}. Set this flag to true to skip
 * the first two bytes, e.g. TAG and SIZE, and treat the remaining bytes as
 * the encoded data.
 *
 * @return  DER object.
 *
 * @throws  IOException  On I/O errors.
 */
public static DERObject readEncodedBytes(final byte[] data, final boolean discardWrapper) throws IOException {
    final ByteArrayInputStream inBytes = new ByteArrayInputStream(data);
    int size = data.length;
    if (discardWrapper) {
        inBytes.skip(2);
        size = data.length - 2;
    }

    final ASN1InputStream in = new ASN1InputStream(inBytes, size);
    try {
        return in.readObject();
    } finally {
        try {
            in.close();
        } catch (IOException e) {
            final Log logger = LogFactory.getLog(CryptReader.class);
            if (logger.isWarnEnabled()) {
                logger.warn("Error closing ASN.1 input stream.", e);
            }
        }
    }
}

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From source file:edu.vt.middleware.crypt.util.CryptReader.java

/**
 * Reads all the data in the given stream and returns the contents as a byte
 * array./* ww w  . j a  va  2 s .c  o  m*/
 *
 * @param  in  Input stream to read.
 *
 * @return  Entire contents of stream.
 *
 * @throws  IOException  On read errors.
 */
private static byte[] readData(final InputStream in) throws IOException {
    final byte[] buffer = new byte[BUFFER_SIZE];
    final ByteArrayOutputStream bos = new ByteArrayOutputStream(BUFFER_SIZE);
    int count = 0;
    try {
        while ((count = in.read(buffer, 0, BUFFER_SIZE)) > 0) {
            bos.write(buffer, 0, count);
        }
    } finally {
        try {
            in.close();
        } catch (IOException e) {
            final Log logger = LogFactory.getLog(CryptProvider.class);
            if (logger.isWarnEnabled()) {
                logger.warn("Error closing input stream.", e);
            }
        }
    }
    return bos.toByteArray();
}

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From source file:it.cnr.icar.eric.client.ui.thin.OutputExceptions.java

/**
 * Log exceptions and display them to user in a consistent fashion.
 *
 * @param log Log where error or warning should be output
 * @param logMsg Context message to log with t
 * @param displayMsg Context message to display to user with t
 * @param t Throwable to log about and optionally display
 * @param display Output information about this Throwable on page?
 * @param warning If true, log warning rather than error
 */// ww  w.j  a  va2s  . co m
private static void display(Log log, String logMsg, String displayMsg, Throwable t, boolean display,
        boolean warning) {
    // When not given a Msg, should we provide context for cause?
    boolean needContext = (null != t.getMessage() && null != t.getCause());

    // Log a fair amount of information unconditionally
    if (null == logMsg && null != displayMsg) {
        logMsg = displayMsg;
    }
    if (log.isDebugEnabled()) {
        // Include full traceback in logging output
        if (null == logMsg) {
            if (warning) {
                log.warn(t.toString(), t);
            } else {
                log.error(t.toString(), t);
            }
        } else {
            if (warning) {
                log.warn(logMsg, t);
            } else {
                log.error(logMsg, t);
            }
        }
    } else {
        if (null == logMsg) {
            if (needContext) {
                if (warning) {
                    log.warn(t.toString());
                } else {
                    log.error(t.toString());
                }
            }
        } else {
            if (warning) {
                log.warn(logMsg);
            } else {
                log.error(logMsg);
            }
        }
        if (warning) {
            log.error(getCause(t, true));
        } else {
            log.error(getCause(t, true));
        }
    }

    // Conditionally display a subset of the above information to the user
    if (display) {
        FacesContext context = FacesContext.getCurrentInstance();
        FacesMessage.Severity severity = (warning ? FacesMessage.SEVERITY_ERROR : FacesMessage.SEVERITY_WARN);

        if (null == displayMsg && null != logMsg) {
            displayMsg = logMsg;
        }
        if (null == displayMsg) {
            if (needContext) {
                context.addMessage(null, new FacesMessage(severity, goodMessage(t), null));
            }
        } else {
            context.addMessage(null, new FacesMessage(severity, displayMsg, null));
        }
        context.addMessage(null, new FacesMessage(severity, getCause(t, false), null));
    }
}

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From source file:kr.co.bitnine.octopus.util.StringUtils.java

/**
 * Print a log message for starting up and shutting down
 *
 * @param clazz the class of the server// www.j  ava2s  . c om
 * @param args  arguments
 * @param log   the target log object
 */
public static void startupShutdownMessage(Class<?> clazz, String[] args, final Log log) {
    final String classname = clazz.getSimpleName();
    final String hostname = NetUtils.getHostname();

    final String build = VersionInfo.getUrl() + ", rev. " + VersionInfo.getRevision() + "; compiled by '"
            + VersionInfo.getUser() + "' on " + VersionInfo.getDate();
    String[] msg = new String[] { "Starting " + classname, "  host = " + hostname,
            "  args = " + Arrays.asList(args), "  version = " + VersionInfo.getVersion(),
            "  classpath = " + System.getProperty("java.class.path"), "  build = " + build,
            "  java = " + System.getProperty("java.version") };
    log.info(toStartupShutdownString("STARTUP_MSG: ", msg));

    if (SystemUtils.IS_OS_UNIX) {
        try {
            SignalLogger.INSTANCE.register(log);
        } catch (Throwable t) {
            log.warn("failed to register any UNIX signal loggers: ", t);
        }
    }
    ShutdownHookManager.get().addShutdownHook(new Runnable() {
        @Override
        public void run() {
            log.info(toStartupShutdownString("SHUTDOWN_MSG: ",
                    new String[] { "Shutting down " + classname + " at " + hostname }));
        }
    }, SHUTDOWN_HOOK_PRIORITY);
}

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From source file:net.sf.nmedit.nomad.core.jpf.JPFServiceInstallerTool.java

private static void activateService(Log log, Map<String, Class<Service>> serviceClassCache, Extension extension,
        ClassLoader pluginClassLoader) {
    String serviceClassName = extension.getParameter(SERVICE_CLASS_KEY).valueAsString();

    String implementationClassName = extension.getParameter(SERVICE_IMPLEMENTATION_CLASS_KEY).valueAsString();

    if (log.isInfoEnabled()) {
        String description = extension.getParameter(SERVICE_DESCRIPTION_KEY).valueAsString();

        log.info("Service implementation / Service: " + implementationClassName + " (description=" + description
                + ") / " + serviceClassName);
    }// ww w  .j a v a  2  s. com

    Class<Service> serviceClass;
    try {
        serviceClass = lookupServiceClass(serviceClassCache, serviceClassName, pluginClassLoader);
    } catch (ClassNotFoundException e) {
        if (log.isWarnEnabled()) {
            log.warn("Error loading service class: " + serviceClassName, e);
        }

        return;
    }

    Class<Service> serviceImplementationClass;
    try {
        serviceImplementationClass = lookupServiceImplementationClass(serviceClass, implementationClassName,
                pluginClassLoader);
    } catch (ClassNotFoundException e) {
        if (log.isWarnEnabled()) {
            log.warn("Error loading service implementation class: " + implementationClassName, e);
        }
        return;
    }

    Service serviceInstance;
    try {
        serviceInstance = serviceImplementationClass.newInstance();
    } catch (InstantiationException e) {
        if (log.isWarnEnabled()) {
            log.warn("Error instantiating service: " + serviceImplementationClass, e);
        }

        return;
    } catch (IllegalAccessException e) {
        if (log.isWarnEnabled()) {
            log.warn("Error instantiating service: " + serviceImplementationClass, e);
        }

        return;
    }

    try {
        ServiceRegistry.addService(serviceClass, serviceInstance);
    } catch (ServiceException e) {
        if (log.isWarnEnabled()) {
            log.warn("Error installing service: " + serviceInstance, e);
        }

        return;
    }
}

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From source file:hadoopInstaller.logging.CompositeLog.java

@Override
public void warn(Object message, Throwable t) {
    for (Log log : this.logs) {
        log.warn(message, t);
    }//from w  ww  . ja v a 2  s  .  com
}

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From source file:gaderian.test.services.TestThreadEventNotifier.java

public void testListenerThrowsException() {
    Log log = (Log) createMock(Log.class);

    final RuntimeException re = new RuntimeException("Listener Failure");

    log.warn("Thread cleanup exception: Listener Failure", re);

    replayAllRegisteredMocks();// www . jav  a2s  .  com

    ThreadCleanupListener l = new ThreadCleanupListener() {
        public void threadDidCleanup() {
            throw re;
        }
    };

    ThreadEventNotifier n = new ThreadEventNotifierImpl(log);

    n.addThreadCleanupListener(l);

    n.fireThreadCleanup();

    verifyAllRegisteredMocks();
}

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From source file:io.netty.logging.CommonsLoggerTest.java

@Test
public void testWarnWithException() {
    Log mock = createStrictMock(Log.class);

    mock.warn("a", e);
    replay(mock);//from  w w  w  .  j a  v  a2s.c om

    InternalLogger logger = new CommonsLogger(mock, "foo");
    logger.warn("a", e);
    verify(mock);
}

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