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

Introduction

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

Prototype

boolean isWarnEnabled();

Source Link

Document

Is warn logging currently enabled?

Usage

From source file:net.sf.nmedit.nordmodular.NmFileService.java

public static NMPatch openPatch(File file, File sourceFile, final String title, boolean showExceptionDialog) {
    NMContextData data = NMContextData.sharedInstance();

    try {/*  w  w w  . j ava2s.c  om*/
        boolean setFilePointerToNull = false;
        if (isFileAlreadyOpen(file)) {
            if (JOptionPane.showConfirmDialog(Nomad.sharedInstance().getWindow().getRootPane(),
                    "File \"" + file + "\" is already open.\nDo you want to open a copy of the file?",
                    "Open...", JOptionPane.YES_NO_OPTION) == JOptionPane.NO_OPTION) {
                Nomad.sharedInstance().setSelectedDocumentByFile(file);
                return null;
            }

            setFilePointerToNull = true;
        }

        NMPatch patch = NMPatch.createPatchFromFile(file);
        patch.setEditSupportEnabled(false);

        if (title != null)
            patch.setName(title);

        final PatchDocument pd = createPatchDoc(patch);

        if (setFilePointerToNull) {
            if (sourceFile != null) {
                String name = sourceFile.getName();
                if (name.toLowerCase().endsWith(".pch"))
                    name = name.substring(0, name.length() - 4);
                patch.setName(name);
            }
        } else {
            if (sourceFile != null) {
                patch.setProperty("file", sourceFile);
                pd.setURI(sourceFile);
            }
        }

        patch.setEditSupportEnabled(true);
        patch.setModified(false);
        DocumentManager dm = Nomad.sharedInstance().getDocumentManager();
        dm.add(pd);
        dm.setSelection(pd);

        return patch;

    } catch (Exception e) {
        Log log = LogFactory.getLog(NmFileService.class);
        if (log.isWarnEnabled()) {
            log.warn("open failed: " + file, e);
        }
        if (showExceptionDialog) {
            ExceptionDialog.showErrorDialog(Nomad.sharedInstance().getWindow().getRootPane(),
                    "Could not open file '" + file + "' (" + e.getMessage() + ")", "Could not open file", e);
        }
    }

    return null;
}

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From source file:edu.cornell.mannlib.vitro.webapp.utils.log.LogUtils.java

private static boolean isLevelEnabled(Log log, String level) {
    if ("fatal".equalsIgnoreCase(level)) {
        return log.isFatalEnabled();
    } else if ("error".equalsIgnoreCase(level)) {
        return log.isErrorEnabled();
    } else if ("warn".equalsIgnoreCase(level)) {
        return log.isWarnEnabled();
    } else if ("info".equalsIgnoreCase(level)) {
        return log.isInfoEnabled();
    } else if ("debug".equalsIgnoreCase(level)) {
        return log.isDebugEnabled();
    } else {//from   w  ww.  ja  v  a  2  s . com
        return log.isTraceEnabled();
    }
}

---

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   w ww  . j  a va  2s.c om
 *
 * @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);
            }
        }
    }
}

---

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./*  w  ww  .  j  a  va 2 s  . c om*/
 *
 * @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();
}

---

From source file:com.octo.captcha.module.web.image.ImageToJpegHelper.java

/**
 * retrieve a new ImageCaptcha using ImageCaptchaService and flush it to the response.<br/> Captcha are localized
 * using request locale.<br/>//from  ww w . ja va 2s  .c om
 * <p/>
 * This method returns a 404 to the client instead of the image if the request isn't correct (missing parameters,
 * etc...)..<br/> The log may be null.<br/>
 *
 * @param theRequest  the request
 * @param theResponse the response
 * @param log         a commons logger
 * @param service     an ImageCaptchaService instance
 *
 * @throws java.io.IOException if a problem occurs during the jpeg generation process
 */
public static void flushNewCaptchaToResponse(HttpServletRequest theRequest, HttpServletResponse theResponse,
        Log log, ImageCaptchaService service, String id, Locale locale) throws IOException {

    // call the ImageCaptchaService method to retrieve a captcha
    byte[] captchaChallengeAsJpeg = null;
    ByteArrayOutputStream jpegOutputStream = new ByteArrayOutputStream();
    try {
        BufferedImage challenge = service.getImageChallengeForID(id, locale);
        // the output stream to render the captcha image as jpeg into

        ImageIO.write(challenge, "jpg", jpegOutputStream);

    } catch (IllegalArgumentException e) {
        //    log a security warning and return a 404...
        if (log != null && log.isWarnEnabled()) {
            log.warn("There was a try from " + theRequest.getRemoteAddr()
                    + " to render an captcha with invalid ID :'" + id + "' or with a too long one");
            theResponse.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }
    }

    captchaChallengeAsJpeg = jpegOutputStream.toByteArray();

    // render the captcha challenge as a JPEG image in the response
    theResponse.setHeader("Cache-Control", "no-store");
    theResponse.setHeader("Pragma", "no-cache");
    theResponse.setDateHeader("Expires", 0);

    theResponse.setContentType("image/jpeg");
    ServletOutputStream responseOutputStream = theResponse.getOutputStream();
    responseOutputStream.write(captchaChallengeAsJpeg);
    responseOutputStream.flush();
    responseOutputStream.close();
}

---

From source file:com.octo.captcha.module.web.sound.SoundToWavHelper.java

/**
 * retrieve a new SoundCaptcha using SoundCaptchaService and flush it to the response. <br/> Captcha are localized
 * using request locale. <br/>This method returns a 404 to the client instead of the image if the request isn't
 * correct (missing parameters, etc...).. <br/>The log may be null. <br/>
 *
 * @param theRequest  the request//  ww w  .  ja  v  a2 s .  c om
 * @param theResponse the response
 * @param log         a commons logger
 * @param service     an SoundCaptchaService instance
 *
 * @throws java.io.IOException if a problem occurs during the jpeg generation process
 */
public static void flushNewCaptchaToResponse(HttpServletRequest theRequest, HttpServletResponse theResponse,
        Log log, SoundCaptchaService service, String id, Locale locale) throws IOException {

    // call the ImageCaptchaService method to retrieve a captcha
    byte[] captchaChallengeAsWav = null;
    ByteArrayOutputStream wavOutputStream = new ByteArrayOutputStream();
    try {
        AudioInputStream stream = service.getSoundChallengeForID(id, locale);

        // call the ImageCaptchaService method to retrieve a captcha

        AudioSystem.write(stream, AudioFileFormat.Type.WAVE, wavOutputStream);
        //AudioSystem.(pAudioInputStream, AudioFileFormat.Type.WAVE, pFile);

    } catch (IllegalArgumentException e) {
        //    log a security warning and return a 404...
        if (log != null && log.isWarnEnabled()) {
            log.warn("There was a try from " + theRequest.getRemoteAddr()
                    + " to render an captcha with invalid ID :'" + id + "' or with a too long one");
            theResponse.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }
    } catch (CaptchaServiceException e) {
        // log and return a 404 instead of an image...
        if (log != null && log.isWarnEnabled()) {
            log.warn(

                    "Error trying to generate a captcha and " + "render its challenge as JPEG", e);
        }
        theResponse.sendError(HttpServletResponse.SC_NOT_FOUND);
        return;
    }
    captchaChallengeAsWav = wavOutputStream.toByteArray();

    // render the captcha challenge as a JPEG image in the response
    theResponse.setHeader("Cache-Control", "no-store");
    theResponse.setHeader("Pragma", "no-cache");
    theResponse.setDateHeader("Expires", 0);

    theResponse.setContentType("audio/x-wav");
    ServletOutputStream responseOutputStream = theResponse.getOutputStream();
    responseOutputStream.write(captchaChallengeAsWav);
    responseOutputStream.flush();
    responseOutputStream.close();
}

---

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);
    }//  w w  w .  ja v  a 2  s  .co m

    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;
    }
}

---

From source file:javadz.beanutils.BeanUtilsBean.java

/**
 * Returns a <code>Method<code> allowing access to
 * {@link Throwable#initCause(Throwable)} method of {@link Throwable},
 * or <code>null</code> if the method
 * does not exist.//  w ww . j  a va2  s.c  o m
 * 
 * @return A <code>Method<code> for <code>Throwable.initCause</code>, or
 * <code>null</code> if unavailable.
 */
private static Method getInitCauseMethod() {
    try {
        Class[] paramsClasses = new Class[] { Throwable.class };
        return Throwable.class.getMethod("initCause", paramsClasses);
    } catch (NoSuchMethodException e) {
        Log log = LogFactory.getLog(BeanUtils.class);
        if (log.isWarnEnabled()) {
            log.warn("Throwable does not have initCause() method in JDK 1.3");
        }
        return null;
    } catch (Throwable e) {
        Log log = LogFactory.getLog(BeanUtils.class);
        if (log.isWarnEnabled()) {
            log.warn("Error getting the Throwable initCause() method", e);
        }
        return null;
    }
}

---

From source file:edu.vt.middleware.ldap.ssl.SingletonTLSSocketFactory.java

/** {@inheritDoc} */
public void setSSLContextInitializer(final SSLContextInitializer initializer) {
    if (staticContextInitializer != null) {
        final Log logger = LogFactory.getLog(SingletonTLSSocketFactory.class);
        if (logger.isWarnEnabled()) {
            logger.warn("SSLContextInitializer is being overridden");
        }/* ww  w  . j a  v a2s.  com*/
    }
    staticContextInitializer = initializer;
}

---

From source file:net.sf.nmedit.waldorf.miniworks4pole.WMFileService.java

public void newFile() {
    try {//from w  w w .j av a  2  s. c  o  m
        Nomad.sharedInstance().getDocumentManager().add(new MWPatchDoc(MWData.createPatch()));
    } catch (Exception e) {
        Log log = LogFactory.getLog(getClass());
        if (log.isWarnEnabled()) {
            log.warn(e);
        }
        return;
    }
}

---

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