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

Introduction

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

Prototype

void error(Object message, Throwable t);

Source Link

Document

Logs an error with error log level.

Usage

From source file:org.displaytag.exception.BaseNestableJspTagException.java

/**
 * Instantiate a new BaseNestableJspTagException.
 * @param source Class where the exception is generated
 * @param message message//  w w  w .  jav  a 2  s  . c  o m
 * @param cause previous Exception
 */
public BaseNestableJspTagException(Class source, String message, Throwable cause) {
    super(message);
    this.sourceClass = source;
    this.nestedException = cause;

    // log exception
    Log log = LogFactory.getLog(source);

    // choose appropriate logging method
    if (getSeverity() == SeverityEnum.DEBUG) {
        log.debug(toString(), cause);
    } else if (getSeverity() == SeverityEnum.INFO) {
        log.info(toString(), cause);
    } else if (getSeverity() == SeverityEnum.WARN) {
        log.warn(toString(), cause);
    } else {
        // error - default
        log.error(toString(), cause);
    }

}

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From source file:org.displaytag.exception.BaseNestableRuntimeException.java

/**
 * Instantiate a new BaseNestableRuntimeException.
 * @param source Class where the exception is generated
 * @param message message//from   ww  w .j a va  2  s. co  m
 * @param cause previous Exception
 */
public BaseNestableRuntimeException(Class source, String message, Throwable cause) {
    super(message);
    this.sourceClass = source;
    this.nestedException = cause;

    // log exception
    Log log = LogFactory.getLog(source);

    // choose appropriate logging method
    if (getSeverity() == SeverityEnum.DEBUG) {
        log.debug(toString(), cause);
    } else if (getSeverity() == SeverityEnum.INFO) {
        log.info(toString(), cause);
    } else if (getSeverity() == SeverityEnum.WARN) {
        log.warn(toString(), cause);
    } else {
        // error - default
        log.error(toString(), cause);
    }

}

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From source file:org.easyrec.utils.spring.exception.aop.ThrowableToExceptionAspectAdvice.java

public Object mapToException(ProceedingJoinPoint pjp, MapThrowableToException mtte) throws Exception {

    try {/*w  w  w  .  ja  v  a2  s.c o  m*/
        return pjp.proceed();
    } catch (Throwable ta) {
        Log logger = LogFactory.getLog(pjp.getTarget().getClass());
        Constructor<? extends Exception> cons;
        Exception ex = null;
        LoggerUtils.log(logger, mtte.logLevel(), "Aspect caught Exception", ta);
        try {
            cons = mtte.exceptionClazz().getConstructor(String.class);
            ex = cons.newInstance((ta.getMessage()));
        } catch (NoSuchMethodException nsme) {
            logger.error("The exception passed to the aspect does not provide a constructor(String message)!",
                    nsme);
        } catch (Exception e) {
            logger.error("Error instantiating aspect Exception, throwing original instead", e);
            throw (Exception) ta;
        }
        throw ex;
    }
}

---

From source file:org.easyrec.utils.spring.log.LoggerUtils.java

/**
 * Writes the given 'message' to the Log 'logger' with level 'logLevel'.
 *
 * @param logger   the Log to which the message is written
 * @param logLevel the level to which the message is written
 * @param message  the message to be written
 * @param ta       a Throwable passed on to the Log
 *///  w  ww . ja v a 2s . c  om
public static void log(Log logger, String logLevel, String message, Throwable ta) {
    if (logLevel.equalsIgnoreCase("info")) {
        if (logger.isInfoEnabled()) {
            logger.info(message, ta);
        }
    } else if (logLevel.equalsIgnoreCase("debug")) {
        if (logger.isDebugEnabled()) {
            logger.debug(message, ta);
        }
    } else if (logLevel.equalsIgnoreCase("error")) {
        if (logger.isErrorEnabled()) {
            logger.error(message, ta);
        }
    } else if (logLevel.equalsIgnoreCase("trace")) {
        if (logger.isTraceEnabled()) {
            logger.trace(message, ta);
        }
    } else if (logLevel.equalsIgnoreCase("warn")) {
        if (logger.isWarnEnabled()) {
            logger.warn(message, ta);
        }
    } else if (logLevel.equalsIgnoreCase("fatal")) {
        if (logger.isFatalEnabled()) {
            logger.fatal(message, ta);
        }
    } else {
        logger.error("Passed unknown log level " + logLevel + " to Aspect - logging to error instead!");
        logger.error(message, ta);
    }
}

---

From source file:org.eclipse.smila.processing.pipelets.xmlprocessing.util.XPathUtils.java

/**
 * Queries for index field.//from  w ww .  jav a 2s  .c o  m
 * 
 * @param node
 *          the Node
 * @param xpath
 *          the XPath
 * @param namespaceNode
 *          the namespace
 * @param separator
 *          the seperator
 * @return a Object (String, Double, Boolean)
 */
public static Object queryForIndexField(Node node, String xpath, Node namespaceNode, String separator) {
    final Log log = LogFactory.getLog(XPathUtils.class);
    try {
        final XObject xobj = XPathAPI.eval(node, xpath, namespaceNode);

        if (xobj instanceof NodeSequence) {
            final NodeList nlTemp = xobj.nodelist();

            final StringBuffer sb = new StringBuffer("");
            for (int i = 0; i < nlTemp.getLength(); i++) {

                final XObject value = XPathAPI.eval(nlTemp.item(i), "string()");
                if ((i > 0) && (separator != null)) {
                    sb.append(separator);
                }
                sb.append(value.str());
            }
            return sb.toString();
        } else if (xobj instanceof XBoolean) {
            return Boolean.valueOf(xobj.bool());
        } else if (xobj instanceof XNumber) {
            return new Double(xobj.num());
        } else if (xobj instanceof XRTreeFrag) {
            return xobj.str();
        } else if (xobj instanceof XString) {
            return xobj.str();
        } else {
            throw new Exception("unsupported xpath return type [" + xobj.getClass().getName() + "]");
        }
    } catch (final Exception e) {
        log.error("unkown error occured", e);
        return null;
    }
}

---

From source file:org.eclipse.smila.processing.pipelets.xmlprocessing.util.XPathUtils.java

/**
 * Removes nodes by XPath./*from   w  ww .  ja v  a2s.c  o  m*/
 * 
 * @param node
 *          the Node
 * @param xpath
 *          the XPath
 * @param namespaceNode
 *          the namespace
 */
public static void removeNodesByXPath(Node node, String xpath, Node namespaceNode) {

    final Log log = LogFactory.getLog(XPathUtils.class);

    try {

        final XObject xobj = XPathAPI.eval(node, xpath, namespaceNode);

        if (xobj instanceof NodeSequence) {
            final NodeList nlTemp = xobj.nodelist();

            for (int i = 0; i < nlTemp.getLength(); i++) {
                final Node parent = nlTemp.item(i).getParentNode();
                parent.removeChild(nlTemp.item(i));
            }
            /*
             * } else if (xobj instanceof XBoolean) { xobj.nodelist() return new Boolean(xobj.bool()); } else if (xobj
             * instanceof XNumber) { return new Double(xobj.num()); } else if (xobj instanceof XRTreeFrag) { return
             * xobj.str(); } else if (xobj instanceof XString) { return xobj.str();
             */
        } else {
            throw new Exception("unsupported xpath return type [" + xobj.getClass().getName() + "]");
        }
    } catch (final Exception e) {
        log.error("unkown error occured", e);
    }
}

---

From source file:org.eclipse.smila.search.datadictionary.DataDictionaryAccess.java

/**
 * Parse configuration and return according IRMType.
 * //  w w w  .ja  va2  s. co m
 * @param configurationElement
 *          Configuration element.
 * @param ordinal
 *          Ordinal.
 * @return Type name.
 */
public static String parseType(IConfigurationElement configurationElement, int ordinal) {

    if (!configurationElement.getName().equals("DataDictionaryAccess")) {
        return null;
    }

    final Log log = LogFactory.getLog(DataDictionaryAccess.class);

    try {
        String name = configurationElement.getAttribute("Clazz");
        if (name == null) {
            name = "[missing attribute name]";
        }
        return name;
    } catch (final Exception e) {
        String name = configurationElement.getAttribute("Clazz");
        if (name == null) {
            name = "[missing attribute name]";
        }
        final String msg = "Failed to load StrategyType named " + name + " in "
                + configurationElement.getDeclaringExtension().getNamespaceIdentifier();
        if (log.isErrorEnabled()) {
            log.error(msg, e);
        }
        return null;
    }
}

---

From source file:org.eclipse.smila.search.datadictionary.DataDictionaryController.java

/**
 * This method adds an index entry to the data dictionary and saves it.
 * /*from   w w w .j  a va2s.  c om*/
 * @param dIndex
 *          the d index
 * 
 * @throws DataDictionaryException
 *           the data dictionary exception
 */
public static void addIndex(final DIndex dIndex) throws DataDictionaryException {
    final Log log = LogFactory.getLog(DataDictionaryController.class);
    synchronized (mutex) {
        ensureLoaded();
        if (hasIndexIgnoreCase(dIndex.getName())) {
            throw new DataDictionaryException(
                    "index already exists in data dictionary [" + getExistingIndexName(dIndex.getName()) + "]");
        }

        final DConfiguration dConfig = dIndex.getConfiguration();
        if (dConfig != null) {
            validateConfiguration(dConfig, dIndex.getIndexStructure());
        }

        dd.addIndex(dIndex);

        // validate data dictionary
        try {
            final Document doc = DAnyFinderDataDictionaryCodec.encode(dd);
            XMLUtils.stream(doc.getDocumentElement(), true, "UTF-8", new ByteArrayOutputStream());
        } catch (final DDException e) {
            log.error("unable to save data dictionary", e);
            try {
                final Document doc = DAnyFinderDataDictionaryCodec.encode(dd);
                log.debug("invalid data dictionary\n"
                        + new String(XMLUtils.stream(doc.getDocumentElement(), false)));

            } catch (final Throwable ex) {
                ; // do nothing
            }
            throw new DataDictionaryException("invalid data dictionary");
        } catch (final XMLUtilsException e) {
            log.error("Unable to stream DataDictionary!", e);
            try {
                final Document doc = DAnyFinderDataDictionaryCodec.encode(dd);
                log.debug("invalid data dictionary\n"
                        + new String(XMLUtils.stream(doc.getDocumentElement(), false)));

            } catch (final Throwable ex) {
                ; // do nothing
            }
            throw new DataDictionaryException("invalid data dictionary while streaming");
        }

        save();
    }
}

---

From source file:org.eclipse.smila.search.datadictionary.DataDictionaryController.java

/**
 * Rename index.//  w  w  w .jav a 2s .  co m
 * 
 * @param indexName
 *          the index name
 * @param newIndexName
 *          the new index name
 * 
 * @return true, if successful
 * 
 * @throws DataDictionaryException
 *           the data dictionary exception
 */
public static boolean renameIndex(final String indexName, final String newIndexName)
        throws DataDictionaryException {
    final Log log = LogFactory.getLog(DataDictionaryController.class);

    synchronized (mutex) {
        ensureLoaded();
        if (dd.getIndex(newIndexName) != null) {
            throw new DataDictionaryException(
                    String.format("Cannot rename index to [%s] because it's already exists!", newIndexName));
        }
        log.debug("Updating datadictionary...");
        final DIndex index = dd.getIndex(indexName);
        if (index == null) {
            return false; // no index entry
        }
        dd.removeIndex(index);
        index.setName(newIndexName);
        final DIndexStructure indexStructure = index.getIndexStructure();
        if (indexStructure != null) {
            indexStructure.setName(newIndexName);
        }
        dd.addIndex(index);
        // validate data dictionary
        try {
            final Document doc = DAnyFinderDataDictionaryCodec.encode(dd);
            XMLUtils.stream(doc.getDocumentElement(), true, "UTF-8", new ByteArrayOutputStream());
        } catch (final DDException e) {
            log.error("unable to save data dictionary", e);
            try {
                final Document doc = DAnyFinderDataDictionaryCodec.encode(dd);
                log.debug("invalid data dictionary\n"
                        + new String(XMLUtils.stream(doc.getDocumentElement(), false)));

            } catch (final Throwable ex) {
                ; // do nothing
            }
            throw new DataDictionaryException("invalid data dictionary");
        } catch (final XMLUtilsException e) {
            log.error("Unable to stream DataDictionary!", e);
            try {
                final Document doc = DAnyFinderDataDictionaryCodec.encode(dd);
                log.debug("invalid data dictionary\n"
                        + new String(XMLUtils.stream(doc.getDocumentElement(), false)));

            } catch (final Throwable ex) {
                ; // do nothing
            }
            throw new DataDictionaryException("invalid data dictionary while streaming");
        }

        save();
        return true;
    }

}

---

From source file:org.eclipse.smila.search.datadictionary.DataDictionaryController.java

/**
 * This method removes an index entry from the data dictionary. It returnes true, when the index entry has exists.
 * /*from   ww w . j a va2s. co  m*/
 * @param indexName
 *          the index name
 * 
 * @return true, if delete index
 * 
 * @throws DataDictionaryException
 *           the data dictionary exception
 */
public static boolean deleteIndex(final String indexName) throws DataDictionaryException {
    final Log log = LogFactory.getLog(DataDictionaryController.class);

    synchronized (mutex) {
        ensureLoaded();
        log.debug("Updating datadictionary...");
        final DIndex index = dd.getIndex(indexName);
        if (index == null) {
            return false; // no index entry
        }
        dd.removeIndex(index);

        // validate data dictionary
        try {
            final Document doc = DAnyFinderDataDictionaryCodec.encode(dd);
            XMLUtils.stream(doc.getDocumentElement(), true, "UTF-8", new ByteArrayOutputStream());
        } catch (final DDException e) {
            log.error("unable to save data dictionary", e);
            try {
                final Document doc = DAnyFinderDataDictionaryCodec.encode(dd);
                log.debug("invalid data dictionary\n"
                        + new String(XMLUtils.stream(doc.getDocumentElement(), false)));

            } catch (final Throwable ex) {
                ; // do nothing
            }
            throw new DataDictionaryException("invalid data dictionary");
        } catch (final XMLUtilsException e) {
            log.error("Unable to stream DataDictionary!", e);
            try {
                final Document doc = DAnyFinderDataDictionaryCodec.encode(dd);
                log.debug("invalid data dictionary\n"
                        + new String(XMLUtils.stream(doc.getDocumentElement(), false)));

            } catch (final Throwable ex) {
                ; // do nothing
            }
            throw new DataDictionaryException("invalid data dictionary while streaming");
        }

        save();
        return true;
    }
}

---

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