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package org.jcoderz.commons.logging;
import java.text.MessageFormat;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import org.jcoderz.commons.BusinessImpact;
import org.jcoderz.commons.Category;
import org.jcoderz.commons.Loggable;
import org.jcoderz.commons.LoggableImpl;
import org.jcoderz.commons.types.Date;
import org.jcoderz.commons.util.Constants;
/**
* This class is the base class for log formats formatting the main log line of
* the log message, which contains all fields required for CA Unicenter
* integration. All sub classes of this are required to use these fields at the
* index required by this, but are allowed to append additional fields.
*
*/
public abstract class BasicLogLineFormat
extends LogLineFormat
{
/** The number of parameters of the basic format. */
protected static final int NUMBER_OF_PARAMETERS = 9;
private static final int TIMESTAMP_INDEX = 0;
private static final int NODEID_INDEX = 1;
private static final int INSTANCEID_INDEX = 2;
private static final int THREADID_INDEX = 3;
private static final int LEVEL_INDEX = 4;
private static final int MESSAGEID_INDEX = 5;
private static final int BUSINESSIMPACT_INDEX = 6;
private static final int CATEGORY_INDEX = 7;
private static final int THREAD_NAME_INDEX = 7;
private static final int TRACKINGID_INDEX = 8;
/**
* Common format for CA Unicenter log lines.
* Has the fields in following order:
* <ul>
* <li>timestamp
* <li>node id
* <li>instance id
* <li>thread id
* <li>logger level
* <li>message id
* <li>business impact
* <li>category
* <li>tracking number
* <li>thread name
* </ul>
*/
private static final String LOGLINE_FORMAT_PATTERN
= "{0} {1} {2} {3} {4} {5} {6} {7} {8}";
private static final String NO_MSG_SYMBOL = "TRACEMSG";
private final int mNumParameters;
private final String mLogFormatPattern;
/**
* Creates a new instance of this and initializes the message format.
*
* @param type THe log line type.
* @param additionalPattern The pattern for additional fields not included by
* this. Must start with the desired delimiter before the first field.
* @param numAdditionalParameters The number of additional fields.
*/
protected BasicLogLineFormat (
final LogLineType type,
final String additionalPattern,
final int numAdditionalParameters)
{
super(type, new MessageFormat(type.getTypeSpecifier() + " "
+ LOGLINE_FORMAT_PATTERN + additionalPattern),
NUMBER_OF_PARAMETERS + numAdditionalParameters);
mNumParameters = NUMBER_OF_PARAMETERS + numAdditionalParameters;
mLogFormatPattern = LOGLINE_FORMAT_PATTERN + additionalPattern;
}
/**
* Gets the formats as array for formatting all elements of a basic log line.
*
* @param options The display options specifying which fields to display.
* Will be ignored and might be null if <code>ignoreOptions == true</code>.
* @param ignoreOptions flag whether to ignore the supplied options and
* return the formats for all fields.
*
* @return List filled with formats for each selected field. Might be empty,
* never null.
*/
protected static List getBasicFormatList (
final DisplayOptions options,
final boolean ignoreOptions)
{
final List formatList = new ArrayList();
if (ignoreOptions || options.displayTimestamp())
{
// date
formatList.add(getTimestampFormat());
}
if (ignoreOptions || options.displayNodeId())
{
// node id
formatList.add(getNodeIdFormat());
}
if (ignoreOptions || options.displayInstanceId())
{
// instance id
formatList.add(getInstanceIdFormat());
}
if (ignoreOptions || options.displayThreadId())
{
// thread id
formatList.add(getThreadIdFormat());
}
if (ignoreOptions || options.displayLoggerLevel())
{
// logger level
formatList.add(getLoggerLevelFormat());
}
if (ignoreOptions || options.displaySymbolId())
{
// symbol
formatList.add(getMessageSymbolFormat());
}
if (ignoreOptions || options.displayBusinessImpact())
{
// business impact
formatList.add(getBusinessImpactFormat());
}
if (ignoreOptions || options.displayThreadName())
{
// category
formatList.add(getThreadNameFormat());
}
// was replaced with thread name in default
if (!ignoreOptions && options.displayCategory())
{
// category
formatList.add(getCategoryFormat());
}
if (ignoreOptions || options.displayTrackingNumber())
{
// sequence of tracking id
formatList.add(getTrackingNumberFormat());
}
return formatList;
}
/**
* Formats the supplied LogRecord with the encapsulated basic message format.
* Data for additional fields has to be set before calling this.
* Appends a line feed after the data is formatted into the StringBuffer.
*
* @param sb The StringBuffer where to append the formatted LogRecord.
* @param record The LogRecord to format.
* @param loggable Unused by this, might be null.
* @param trackingIdSequence The list containing the sequence of tracking
* ids contributing to this log message.
*/
protected final void basicFormat (
final StringBuffer sb,
final LogRecord record,
final Loggable loggable,
final List trackingIdSequence)
{
setLevel(record.getLevel());
setTrackingIds(trackingIdSequence);
if (loggable != null)
{
setTimestamp(new Date(loggable.getEventTime()));
setNodeId(loggable.getNodeId());
setInstanceId(loggable.getInstanceId());
setThreadId(loggable.getThreadId());
setMessageId(
Integer.toHexString(loggable.getLogMessageInfo().toInt()));
setBusinessImpact(loggable.getLogMessageInfo().getBusinessImpact());
setCategory(loggable.getLogMessageInfo().getCategory());
try
{
setThreadName(loggable.getThreadName());
}
catch (AbstractMethodError ex)
{
// We have a old loggable that does not support
// thread name jet.
setThreadName(Thread.currentThread().getName());
}
}
else
{
setTimestamp(new Date(record.getMillis()));
setNodeId(LoggableImpl.NODE_ID);
setInstanceId(LoggableImpl.INSTANCE_ID);
setThreadId(record.getThreadID());
setBusinessImpact(BusinessImpact.NONE);
setCategory(Category.TECHNICAL);
// Take care this one might be wrong!
setThreadName(Thread.currentThread().getName());
setMessageId(NO_MSG_SYMBOL);
}
format(sb);
sb.append(Constants.LINE_SEPARATOR);
}
/**
* Parses a log line, which must be formatted by this, and sets the
* appropriate basic values of the supplied LogFileEntry. Derived types might
* retrieve specific field values after this has been called.
*
* @param sb The StringBuffer containing the current log line.
* @param entry The LogFileEntry for which to parse the log line.
*
* @throws ParseException if an error occurs parsing <code>sb</code>.
*
* @see org.jcoderz.commons.logging.LogLineFormat#parse(java.lang.StringBuffer, org.jcoderz.commons.logging.LogFileEntry)
*/
protected final void basicParse (StringBuffer sb, LogFileEntry entry)
throws ParseException
{
try
{
parse(sb);
entry.setBusinessImpact(getBusinessImpact());
// entry.setCategory(getCategory());
entry.setThreadName(getThreadName());
entry.setInstanceId(getInstanceId());
entry.setLoggerLevel(getLevel());
entry.setNodeId(getNodeId());
entry.setThreadId(getThreadId());
entry.setSymbolId(getMessageId());
entry.setTimestamp(getTimestamp());
// the last element within the tracking id sequence is the id of the
// current entry.
final List trackingIds = getTrackingIds();
entry.setTrackingNumber((String) trackingIds.get(
trackingIds.size() - 1));
}
catch (ParseException pex)
{
// just rethrow
throw pex;
}
catch (Exception ex)
{
final ParseException pex = new ParseException(
"Got an error parsing " + sb, 0);
pex.initCause(ex);
throw pex;
}
}
/**
* Sets the timestamp.
*
* @param timestamp The timestamp to set.
*/
protected final void setTimestamp (final Date timestamp)
{
setParameter(TIMESTAMP_INDEX, timestamp);
}
/**
* Gets the timestamp of a parsed log line.
*
* @return Timestamp of parsed log line.
*/
protected final Date getTimestamp ()
{
return (Date) getParameter(TIMESTAMP_INDEX);
}
/**
* Sets the node id to dump.
*
* @param nodeId The node id to dump.
*/
protected final void setNodeId (final String nodeId)
{
setParameter(NODEID_INDEX, nodeId);
}
/**
* Gets the node id of a parsed log line.
*
* @return Node id of parsed log line.
*/
protected final String getNodeId ()
{
return (String) getParameter(NODEID_INDEX);
}
/**
* Sets the instance id to dump.
*
* @param instanceId The instance id to dump.
*/
protected final void setInstanceId (final String instanceId)
{
setParameter(INSTANCEID_INDEX, instanceId);
}
/**
* Gets the instance id of a parsed log line.
*
* @return Instance id of parsed log line.
*/
protected final String getInstanceId ()
{
return (String) getParameter(INSTANCEID_INDEX);
}
/**
* Sets the thread id from the message to dump.
*
* @param threadId The thread id to dump.
*/
protected final void setThreadId (final long threadId)
{
setParameter(THREADID_INDEX, String.valueOf(threadId));
}
/**
* Gets the thread id of a parsed log line.
*
* @return Thread id of parsed log line.
*/
protected final long getThreadId ()
{
return Long.parseLong((String) getParameter(THREADID_INDEX));
}
/**
* Sets the thread name from the message to dump.
*
* @param threadName The thread name to dump.
*/
protected final void setThreadName (String threadName)
{
setParameter(THREAD_NAME_INDEX, threadName);
}
/**
* Gets the thread id of a parsed log line.
*
* @return Thread id of parsed log line.
*/
protected final String getThreadName ()
{
return (String) getParameter(THREAD_NAME_INDEX);
}
/**
* Sets the list of tracking ids to dump.
*
* @param trackingIds The sequence of tracking ids to dump.
*/
protected final void setTrackingIds (final List trackingIds)
{
setParameter(TRACKINGID_INDEX, trackingIds);
}
/**
* Gets the sequence of tracking ids of a parsed log line.
*
* @return Sequence of tracking ids of parsed log line.
*/
protected final List getTrackingIds ()
{
return (List) getParameter(TRACKINGID_INDEX);
}
/**
* Sets the level of the message to dump,
*
* @param level The log level of the message.
*/
protected final void setLevel (final Level level)
{
setParameter(LEVEL_INDEX, level.getName());
}
/**
* Gets the log level of a parsed log line.
*
* @return Log level of parsed log line.
*/
protected final Level getLevel ()
{
return Level.parse((String) getParameter(LEVEL_INDEX));
}
/**
* Sets the message id from the message to dump.
*
* @param messageId The message id of the message.
*/
protected final void setMessageId (final String messageId)
{
setParameter(MESSAGEID_INDEX, messageId);
}
/**
* Gets the message id of a parsed log line.
*
* @return Message id of parsed log line.
*/
protected final String getMessageId ()
{
return (String) getParameter(MESSAGEID_INDEX);
}
/**
* Sets the business impact from the message to dump.
*
* @param impact The business impact of the message.
*/
protected final void setBusinessImpact (final BusinessImpact impact)
{
setParameter(BUSINESSIMPACT_INDEX, impact.toString());
}
/**
* Gets the business impact of a parsed log line.
*
* @return Business impact of parsed log line.
*/
protected final BusinessImpact getBusinessImpact ()
{
return BusinessImpact.fromString(
(String) getParameter(BUSINESSIMPACT_INDEX));
}
/**
* Sets the category to dump.
*
* @param category The category of the message to dump.
*/
protected final void setCategory (final Category category)
{
setParameter(CATEGORY_INDEX, category.toString());
}
/**
* Gets the category of a parsed log line.
*
* @return Category of parsed log line.
*/
protected final Category getCategory ()
{
return Category.fromString((String) getParameter(CATEGORY_INDEX));
}
}