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);

Source Link

Document

Logs a message with error log level.

Usage

From source file:org.apache.fop.util.LogUtil.java

/**
 * Convenience method that handles any error appropriately
 * @param log log//from  ww w  . j  a va  2  s . com
 * @param e exception
 * @param strict validate strictly
 * @throws FOPException fop exception
 */
public static void handleException(Log log, Exception e, boolean strict) throws FOPException {
    if (strict) {
        if (e instanceof FOPException) {
            throw (FOPException) e;
        }
        throw new FOPException(e);
    }
    log.error(e.getMessage());
}

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From source file:org.apache.fop.visual.ConvertUtils.java

/**
 * Calls an external converter application (GhostScript, for example).
 * @param cmd the full command/*from w  w  w . j  ava  2s  . c  om*/
 * @param envp array of strings, each element of which has environment variable settings
 * in format name=value.
 * @param workDir the working directory of the subprocess, or null if the subprocess should
 * inherit the working directory of the current process.
 * @param log the logger to log output by the external application to
 * @throws IOException in case the external call fails
 */
public static void convert(String cmd, String[] envp, File workDir, final Log log) throws IOException {
    log.debug(cmd);

    Process process = null;
    try {
        process = Runtime.getRuntime().exec(cmd, envp, null);

        //Redirect stderr output
        RedirectorLineHandler errorHandler = new AbstractRedirectorLineHandler() {
            public void handleLine(String line) {
                log.error("ERR> " + line);
            }
        };
        StreamRedirector errorRedirector = new StreamRedirector(process.getErrorStream(), errorHandler);

        //Redirect stdout output
        RedirectorLineHandler outputHandler = new AbstractRedirectorLineHandler() {
            public void handleLine(String line) {
                log.debug("OUT> " + line);
            }
        };
        StreamRedirector outputRedirector = new StreamRedirector(process.getInputStream(), outputHandler);
        new Thread(errorRedirector).start();
        new Thread(outputRedirector).start();

        process.waitFor();
    } catch (java.lang.InterruptedException ie) {
        throw new IOException("The call to the external converter failed: " + ie.getMessage());
    } catch (java.io.IOException ioe) {
        throw new IOException("The call to the external converter failed: " + ioe.getMessage());
    }

    int exitValue = process.exitValue();
    if (exitValue != 0) {
        throw new IOException("The call to the external converter failed. Result: " + exitValue);
    }

}

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From source file:org.apache.hadoop.util.FlushableLogger.java

private FlushableLogger(Log log) {
    if (log == null) {
        String msg = "Log should not be null";
        LOG.error(msg);
        throw new IllegalArgumentException(msg);
    }//from  ww w.ja  v  a 2 s  . c  o m
    this.log = log;
}

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From source file:org.apache.hupa.server.preferences.InImapUserPreferencesStorage.java

/**
 * Opens the IMAP folder, deletes all messages which match the magic subject and
 * creates a new message with an attachment which contains the object serialized
 *//*w w  w .j  a  va2s  . c  o  m*/
protected static void saveUserPreferencesInIMAP(Log logger, User user, Session session, IMAPStore iStore,
        String folderName, String subject, Object object)
        throws MessagingException, IOException, InterruptedException {
    IMAPFolder folder = (IMAPFolder) iStore.getFolder(folderName);

    if (folder.exists() || folder.create(IMAPFolder.HOLDS_MESSAGES)) {
        if (!folder.isOpen()) {
            folder.open(Folder.READ_WRITE);
        }

        // Serialize the object
        ByteArrayOutputStream fout = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(fout);
        oos.writeObject(object);
        oos.close();
        ByteArrayInputStream is = new ByteArrayInputStream(fout.toByteArray());

        // Create a new message with an attachment which has the serialized object
        MimeMessage message = new MimeMessage(session);
        message.setSubject(subject);

        Multipart multipart = new MimeMultipart();
        MimeBodyPart txtPart = new MimeBodyPart();
        txtPart.setContent("This message contains configuration used by Hupa, do not delete it", "text/plain");
        multipart.addBodyPart(txtPart);
        FileItem item = createPreferencesFileItem(is, subject, HUPA_DATA_MIME_TYPE);
        multipart.addBodyPart(MessageUtils.fileitemToBodypart(item));
        message.setContent(multipart);
        message.saveChanges();

        // It seems it's not possible to modify the content of an existing message using the API
        // So I delete the previous message storing the preferences and I create a new one
        Message[] msgs = folder.getMessages();
        for (Message msg : msgs) {
            if (subject.equals(msg.getSubject())) {
                msg.setFlag(Flag.DELETED, true);
            }
        }

        // It is necessary to copy the message before saving it (the same problem in AbstractSendMessageHandler)
        message = new MimeMessage((MimeMessage) message);
        message.setFlag(Flag.SEEN, true);
        folder.appendMessages(new Message[] { message });
        folder.close(true);
        logger.info("Saved preferences " + subject + " in imap folder " + folderName + " for user " + user);
    } else {
        logger.error("Unable to save preferences " + subject + " in imap folder " + folderName + " for user "
                + user);
    }
}

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From source file:org.apache.hupa.server.utils.MessageUtils.java

/**
 * Extract the attachments present in a mime message
 *
 * @param logger/*from w w w .j  a  va2s.c  om*/
 * @param content
 * @return A list of body parts of the attachments
 * @throws MessagingException
 * @throws IOException
 */
static public List<BodyPart> extractMessageAttachments(Log logger, Object content)
        throws MessagingException, IOException {
    ArrayList<BodyPart> ret = new ArrayList<BodyPart>();
    if (content instanceof Multipart) {
        Multipart part = (Multipart) content;
        for (int i = 0; i < part.getCount(); i++) {
            BodyPart bodyPart = part.getBodyPart(i);
            String fileName = bodyPart.getFileName();
            String[] contentId = bodyPart.getHeader("Content-ID");
            if (bodyPart.isMimeType("multipart/*")) {
                ret.addAll(extractMessageAttachments(logger, bodyPart.getContent()));
            } else {
                if (contentId != null || fileName != null) {
                    ret.add(bodyPart);
                }
            }
        }
    } else {
        logger.error("Unknown content: " + content.getClass().getName());
    }
    return ret;
}

---

From source file:org.apache.hupa.server.utils.MessageUtils.java

/**
 * Loop over MuliPart and write the content to the Outputstream if a
 * attachment with the given name was found.
 *
 * @param logger//from ww  w. jav  a2 s  .  co  m
 *            The logger to use
 * @param content
 *            Content which should checked for attachments
 * @param attachmentName
 *            The attachmentname or the unique id for the searched attachment
 * @throws MessagingException
 * @throws IOException
 */
public static Part handleMultiPart(Log logger, Object content, String attachmentName)
        throws MessagingException, IOException {
    if (content instanceof Multipart) {
        Multipart part = (Multipart) content;
        for (int i = 0; i < part.getCount(); i++) {
            Part bodyPart = part.getBodyPart(i);
            String fileName = bodyPart.getFileName();
            String[] contentId = bodyPart.getHeader("Content-ID");
            if (bodyPart.isMimeType("multipart/*")) {
                Part p = handleMultiPart(logger, bodyPart.getContent(), attachmentName);
                if (p != null)
                    return p;
            } else {
                if (contentId != null) {
                    for (String id : contentId) {
                        id = id.replaceAll("^.*<(.+)>.*$", "$1");
                        System.out.println(attachmentName + " " + id);
                        if (attachmentName.equals(id))
                            return bodyPart;
                    }
                }
                if (fileName != null) {
                    if (cleanName(attachmentName).equalsIgnoreCase(cleanName(MimeUtility.decodeText(fileName))))
                        return bodyPart;
                }
            }
        }
    } else {
        logger.error("Unknown content: " + content.getClass().getName());
    }
    return null;
}

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From source file:org.apache.logging.log4j.jcl.CallerInformationTest.java

@Test
public void testClassLogger() throws Exception {
    final ListAppender app = ctx.getListAppender("Class").clear();
    final Log logger = LogFactory.getLog("ClassLogger");
    logger.info("Ignored message contents.");
    logger.warn("Verifying the caller class is still correct.");
    logger.error("Hopefully nobody breaks me!");
    final List<String> messages = app.getMessages();
    assertEquals("Incorrect number of messages.", 3, messages.size());
    for (final String message : messages) {
        assertEquals("Incorrect caller class name.", this.getClass().getName(), message);
    }// www  .j av a2 s .  c o m
}

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From source file:org.apache.logging.log4j.jcl.CallerInformationTest.java

@Test
public void testMethodLogger() throws Exception {
    final ListAppender app = ctx.getListAppender("Method").clear();
    final Log logger = LogFactory.getLog("MethodLogger");
    logger.info("More messages.");
    logger.warn("CATASTROPHE INCOMING!");
    logger.error("ZOMBIES!!!");
    logger.warn("brains~~~");
    logger.info("Itchy. Tasty.");
    final List<String> messages = app.getMessages();
    assertEquals("Incorrect number of messages.", 5, messages.size());
    for (final String message : messages) {
        assertEquals("Incorrect caller method name.", "testMethodLogger", message);
    }/*from w  w  w  .  j a va2 s . c  o  m*/
}

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From source file:org.apache.myfaces.custom.toggle.ToggleLinkRenderer.java

private String buildOnclickToggleFunction(FacesContext facesContext, UIOutput output) throws IOException {
    ToggleLink toggleLink = (ToggleLink) output;
    TogglePanel togglePanel = getParentTogglePanel(facesContext, toggleLink);
    String[] componentsToToggle = toggleLink.getFor().split(",");
    String idsToHide = getIdsToHide(facesContext, togglePanel);
    StringBuffer idsToShow = new StringBuffer();
    for (int i = 0; i < componentsToToggle.length; i++) {
        String componentId = componentsToToggle[i].trim();
        UIComponent componentToShow = toggleLink.findComponent(componentId);
        if (componentToShow == null) {
            Log log = LogFactory.getLog(ToggleLinkRenderer.class);
            log.error("Unable to find component with id " + componentId);
            continue;
        }/*from w w  w  . j a v a  2 s.  c  o  m*/
        if (idsToShow.length() > 0)
            idsToShow.append(',');
        idsToShow.append(componentToShow.getClientId(facesContext));
    }

    String outputOnclick = toggleLink.getOnclick();
    StringBuffer onClick = new StringBuffer();
    if (outputOnclick != null) {
        onClick.append("var cf = function(){");
        onClick.append(outputOnclick);
        onClick.append('}');
        onClick.append(';');
        onClick.append("var oamSF = function(){");
    }

    String onClickFocusClientId = toggleLink.getOnClickFocusId() != null
            ? toggleLink.findComponent(toggleLink.getOnClickFocusId()).getClientId(facesContext)
            : "";
    onClick.append(getToggleJavascriptFunctionName(facesContext, toggleLink) + "('" + idsToShow + "','"
            + idsToHide + "','" + getHiddenFieldId(facesContext, togglePanel) + "','" + onClickFocusClientId
            + "');");

    if (outputOnclick != null) {
        onClick.append('}');
        onClick.append(';');
        onClick.append("return (cf()==false)? false : oamSF();");
    }

    return onClick.toString();
}

---

From source file:org.apache.myfaces.custom.toggle.ToggleLinkRenderer.java

private String getToggleJavascriptFunctionName(FacesContext context, ToggleLink toggleLink) {
    for (UIComponent component = toggleLink.getParent(); component != null; component = component.getParent())
        if (component instanceof TogglePanel)
            return TogglePanelRenderer.getToggleJavascriptFunctionName(context, (TogglePanel) component);

    Log log = LogFactory.getLog(ToggleLinkRenderer.class);
    log.error("The ToggleLink component with id " + toggleLink.getClientId(context)
            + " isn't enclosed in a togglePanel.");
    return null;//from   w w  w.ja  va 2s  . c  o  m
}

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