/* ====================================================================
* Limited Evaluation License:
*
* This software is open source, but licensed. The license with this package
* is an evaluation license, which may not be used for productive systems. If
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* is Copyright of the OpenRate project 2006-2015.
*
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*
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*/
package OpenRate.process;
import OpenRate.CommonConfig;
import OpenRate.configurationmanager.ClientManager;
import OpenRate.exception.InitializationException;
import OpenRate.exception.ProcessingException;
import OpenRate.logging.LogUtil;
import OpenRate.record.HeaderRecord;
import OpenRate.record.IRecord;
import OpenRate.record.TrailerRecord;
import OpenRate.utils.PropertyUtils;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
/**
* This class dumps the information passing through the pipe to a file, using
* the record's knowledge of itself to format a list of values to dump. If the
* dumping is not enabled, the records are passed directly through.
*
* Log access comes from the AbstractPlugIn class
*/
public class DumpNT
extends AbstractPlugIn
{
// This is the dump info that the record returns
ArrayList<String> DumpInfo;
private enum DumpType {ALL, ERRORS, FLAG, NONE};
// tells us the current dump state
private DumpType CurrentDumpType = DumpType.ALL;
// tells us the next dump state
private DumpType PendingDumpType = DumpType.ALL;
// The parts of the file names that we have recovered
private String filePrefix;
private String filePath;
private String fileSuffix;
private String ProcPrefix;
// The writer object responsible for creating the dump file
private BufferedWriter DumpWriter;
// The buffer size is the size of the buffer in the buffered reader
private static final int BUF_SIZE = 65536;
// List of Services that this Client supports
private final static String SERVICE_DUMPACTIVE = "DumpType";
private final static String SERVICE_DUMPPATH = "DumpFilePath";
private final static String SERVICE_DUMPPREFIX = "DumpFilePrefix";
private final static String SERVICE_DUMPSUFFIX = "DumpFileSuffix";
private final static String SERVICE_PROCPREFIX = "ProcessingPrefix";
/**
* Creates a new instance of AbstractStubPlugIn. Adds the audit information
*/
public DumpNT()
{
super();
}
// -----------------------------------------------------------------------------
// ------------------ Start of inherited Plug In functions ---------------------
// -----------------------------------------------------------------------------
/**
* Initialise the module. Called during pipeline creation to initialise:
* - Configuration properties that are defined in the properties file.
* - The references to any cache objects that are used in the processing
* - The symbolic name of the module
*
* @param PipelineName The name of the pipeline this module is in
* @param ModuleName The name of this module in the pipeline
* @throws OpenRate.exception.InitializationException
*/
@Override
public void init(String PipelineName, String ModuleName)
throws InitializationException
{
String ConfigHelper;
super.init(PipelineName,ModuleName);
// Get the file definitions
// ToDo: for the moment we get them without reference to the module
// name meaning that there can only be one. We need to also refer to the
// name of the module allowing more than one
ConfigHelper = PropertyUtils.getPropertyUtils().getPluginPropertyValueDef(PipelineName,
ModuleName,
SERVICE_DUMPACTIVE,
"false");
processControlEvent(SERVICE_DUMPACTIVE, true, ConfigHelper);
// Synchronise the variables to the pending variables
CurrentDumpType = PendingDumpType;
ConfigHelper = PropertyUtils.getPropertyUtils().getPluginPropertyValueDef(PipelineName,
ModuleName,
SERVICE_DUMPPATH,
".");
processControlEvent(SERVICE_DUMPPATH, true, ConfigHelper);
ConfigHelper = PropertyUtils.getPropertyUtils().getPluginPropertyValueDef(PipelineName,
ModuleName,
SERVICE_DUMPPREFIX,
"DMP");
processControlEvent(SERVICE_DUMPPREFIX, true, ConfigHelper);
ConfigHelper = PropertyUtils.getPropertyUtils().getPluginPropertyValueDef(PipelineName,
ModuleName,
SERVICE_DUMPSUFFIX,
".dump");
processControlEvent(SERVICE_DUMPSUFFIX, true, ConfigHelper);
ConfigHelper = PropertyUtils.getPropertyUtils().getPluginPropertyValueDef(PipelineName,
ModuleName,
SERVICE_PROCPREFIX,
"tmp");
processControlEvent(SERVICE_PROCPREFIX, true, ConfigHelper);
}
/**
* This is called when the synthetic Header record is encountered, and has the
* meaning that the stream is starting. In this case we have to open a new
* dump file each time a stream starts.
*/
@Override
public IRecord procHeader(IRecord r)
{
HeaderRecord tmpHeader;
// If we have a pending state change do it now
CurrentDumpType = PendingDumpType;
switch (CurrentDumpType)
{
case NONE:
{
// Do nothing
break;
}
case ALL:
case ERRORS:
case FLAG:
{
tmpHeader = (HeaderRecord)r;
openDumpFile(tmpHeader.getStreamName());
DumpInfo = r.getDumpInfo();
// dump it
Iterator<String> DumpIter = DumpInfo.iterator();
while (DumpIter.hasNext())
{
try
{
DumpWriter.write(DumpIter.next());
DumpWriter.newLine();
}
catch (IOException ex)
{
getPipeLog().error("Error during processing in Module <" + getSymbolicName() + ">. Error reason <" + ex.getMessage() + ">");
}
}
}
}
return r;
}
/**
* This is called when a data record is encountered. You should do any normal
* processing here.
*/
@Override
public IRecord procValidRecord(IRecord r)
{
switch (CurrentDumpType)
{
case NONE:
case ERRORS:
{
// Do nothing
break;
}
case ALL:
{
DumpInfo = r.getDumpInfo();
// dump it
Iterator<String> DumpIter = DumpInfo.iterator();
while (DumpIter.hasNext())
{
try
{
DumpWriter.write(DumpIter.next());
DumpWriter.newLine();
}
catch (IOException ex)
{
getPipeLog().error("Error during processing in Module <" + getSymbolicName() + ">. Error reason <" + ex.getMessage() + ">");
}
}
}
case FLAG:
{
// dump only in the case the flag is set
if (r.isDump())
{
DumpInfo = r.getDumpInfo();
// dump it
Iterator<String> DumpIter = DumpInfo.iterator();
while (DumpIter.hasNext())
{
try
{
DumpWriter.write(DumpIter.next());
DumpWriter.newLine();
}
catch (IOException ex)
{
getPipeLog().error("Error during processing in Module <" + getSymbolicName() + ">. Error reason <" + ex.getMessage() + ">");
}
}
}
}
}
return r;
}
/**
* This is called when a data record with errors is encountered. You should do
* any processing here that you have to do for error records, e.g. statistics,
* special handling, even error correction!
*/
@Override
public IRecord procErrorRecord(IRecord r)
{
switch (CurrentDumpType)
{
case NONE:
{
// Do nothing
break;
}
case ERRORS:
case ALL:
{
DumpInfo = r.getDumpInfo();
// dump it
Iterator<String> DumpIter = DumpInfo.iterator();
while (DumpIter.hasNext())
{
try
{
DumpWriter.write(DumpIter.next());
DumpWriter.newLine();
}
catch (IOException ex)
{
getPipeLog().error("Error during processing in Module <" + getSymbolicName() + ">. Error reason <" + ex.getMessage() + ">");
}
}
}
case FLAG:
{
// dump only in the case the flag is set
if (r.isDump())
{
DumpInfo = r.getDumpInfo();
// dump it
Iterator<String> DumpIter = DumpInfo.iterator();
while (DumpIter.hasNext())
{
try
{
DumpWriter.write(DumpIter.next());
DumpWriter.newLine();
}
catch (IOException ex)
{
getPipeLog().error("Error during processing in Module <" + getSymbolicName() + ">. Error reason <" + ex.getMessage() + ">");
}
}
}
}
}
return r;
}
/**
* This is called when the synthetic trailer record is encountered, and has the
* meaning that the stream is now finished. In this example, all we do is
* pass the control back to the transactional layer.
*/
@Override
public IRecord procTrailer(IRecord r)
{
TrailerRecord tmpTrailer;
switch (CurrentDumpType)
{
case NONE:
{
// Do nothing
break;
}
case ALL:
case ERRORS:
case FLAG:
{
tmpTrailer = (TrailerRecord)r;
DumpInfo = r.getDumpInfo();
// dump it
Iterator<String> DumpIter = DumpInfo.iterator();
while (DumpIter.hasNext())
{
try
{
DumpWriter.write(DumpIter.next());
DumpWriter.newLine();
}
catch (IOException ex)
{
getPipeLog().error("Error during processing in Module <" + getSymbolicName() + ">. Error reason <" + ex.getMessage() + ">");
}
}
try
{
// Close down the dump file
closeDumpFile();
}
catch (ProcessingException ex)
{
getPipeLog().fatal("Error closing dump file");
}
finaliseDump(tmpTrailer.getStreamName());
}
}
// If we have a pending state change do it now
CurrentDumpType = PendingDumpType;
return r;
}
// -----------------------------------------------------------------------------
// ------------- Start of inherited IEventInterface functions ------------------
// -----------------------------------------------------------------------------
/**
* processControlEvent is the event processing hook for the External Control
* Interface (ECI). This allows interaction with the external world, for
* example turning the dumping on and off.
*
* @param Command The command that we are to work on
* @param Init True if the pipeline is currently being constructed
* @param Parameter The parameter value for the command
* @return The result message of the operation
*/
@Override
public String processControlEvent(String Command, boolean Init, String Parameter)
{
int ResultCode = -1;
if (Command.equalsIgnoreCase(SERVICE_DUMPACTIVE))
{
if (Parameter.equalsIgnoreCase("all"))
{
// Enable the dump at the end of the current transaction
PendingDumpType = DumpType.ALL;
ResultCode = 0;
}
else if (Parameter.equalsIgnoreCase("none"))
{
// Enable the dump at the end of the current transaction
PendingDumpType = DumpType.NONE;
ResultCode = 0;
}
else if (Parameter.equalsIgnoreCase("errors"))
{
// Enable the dump at the end of the current transaction
PendingDumpType = DumpType.ERRORS;
ResultCode = 0;
}
else if (Parameter.equalsIgnoreCase("flag"))
{
// Enable the dump at the end of the current transaction
PendingDumpType = DumpType.FLAG;
ResultCode = 0;
}
else if (Parameter.equals(""))
{
switch(CurrentDumpType)
{
// Get the current state
case ALL:
{
return "all";
}
case NONE:
{
return "none";
}
case ERRORS:
{
return "errors";
}
case FLAG:
{
return "flag";
}
}
}
}
if (Command.equalsIgnoreCase(SERVICE_DUMPPATH))
{
if (Init)
{
if (Parameter.equals(""))
{
return filePath;
}
else
{
filePath = Parameter;
ResultCode = 0;
}
}
else
{
return CommonConfig.NON_DYNAMIC_PARAM;
}
}
if (Command.equalsIgnoreCase(SERVICE_DUMPPREFIX))
{
if (Init)
{
if (Parameter.equals(""))
{
return filePrefix;
}
else
{
filePrefix = Parameter;
ResultCode = 0;
}
}
else
{
return CommonConfig.NON_DYNAMIC_PARAM;
}
}
if (Command.equalsIgnoreCase(SERVICE_DUMPSUFFIX))
{
if (Init)
{
if (Parameter.equals(""))
{
return fileSuffix;
}
else
{
fileSuffix = Parameter;
ResultCode = 0;
}
}
else
{
return CommonConfig.NON_DYNAMIC_PARAM;
}
}
if (Command.equalsIgnoreCase(SERVICE_PROCPREFIX))
{
if (Init)
{
if (Parameter.equals(""))
{
return ProcPrefix;
}
else
{
ProcPrefix = Parameter;
ResultCode = 0;
}
}
else
{
return CommonConfig.NON_DYNAMIC_PARAM;
}
}
if (ResultCode == 0)
{
getPipeLog().debug(LogUtil.LogECIPipeCommand(getSymbolicName(), getPipeName(), Command, Parameter));
return "OK";
}
else
{
// This is not our event, pass it up the stack
return super.processControlEvent(Command, Init, Parameter);
}
}
/**
* registerClientManager registers this class as a client of the ECI listener
* and publishes the commands that the plug in understands. The listener is
* responsible for delivering only these commands to the plug in.
*/
@Override
public void registerClientManager() throws InitializationException
{
// Set the client reference and the base services first
super.registerClientManager();
//Register this Client
ClientManager.getClientManager().registerClient(getPipeName(),getSymbolicName(), this);
//Register services for this Client
ClientManager.getClientManager().registerClientService(getSymbolicName(), SERVICE_DUMPACTIVE, ClientManager.PARAM_MANDATORY_DYNAMIC);
ClientManager.getClientManager().registerClientService(getSymbolicName(), SERVICE_DUMPPATH, ClientManager.PARAM_NONE);
ClientManager.getClientManager().registerClientService(getSymbolicName(), SERVICE_DUMPPREFIX, ClientManager.PARAM_NONE);
ClientManager.getClientManager().registerClientService(getSymbolicName(), SERVICE_DUMPSUFFIX, ClientManager.PARAM_NONE);
ClientManager.getClientManager().registerClientService(getSymbolicName(), SERVICE_PROCPREFIX, ClientManager.PARAM_NONE);
}
// -----------------------------------------------------------------------------
// --------------------- Start of custom functions -----------------------------
// -----------------------------------------------------------------------------
/**
* Closes down the input stream after all the input has been collected
*
* @throws OpenRate.exception.ProcessingException
*/
public void closeDumpFile()
throws ProcessingException
{
try
{
DumpWriter.close();
}
catch (IOException exFileNotFound)
{
getPipeLog().error("Application is not able to close dump file");
throw new ProcessingException("Application is not able to close dump file",
exFileNotFound,
getSymbolicName());
}
}
/**
* Open the new dump file with the name calculated from the transaction base
* name, read by the input adapter.
*
* @param BaseName The base name of the transaction stream
*/
public void openDumpFile(String BaseName)
{
FileWriter fwriter = null;
File file;
String DumpFileName;
// Calculate the file name
DumpFileName = filePath + System.getProperty("file.separator") +
ProcPrefix + filePrefix + BaseName + fileSuffix;
file = new File(DumpFileName);
try
{
if (file.createNewFile() == false)
{
getPipeLog().error("output file already exists = " + DumpFileName);
}
fwriter = new FileWriter(file);
}
catch (IOException ex)
{
getPipeLog().error("Error opening valid stream output for file " +
DumpFileName);
}
DumpWriter = new BufferedWriter(fwriter, BUF_SIZE);
}
/**
* finaliseDump closes down the processing and renames the dump file
* to show that we have done with it.
*
* @param BaseName The base name of the transaction stream
*/
public void finaliseDump(String BaseName)
{
String DumpFileNameOld;
String DumpFileNameNew;
// Calculate the old file name
DumpFileNameOld = filePath + System.getProperty("file.separator") +
ProcPrefix + filePrefix + BaseName + fileSuffix;
// Calculate the new file name
DumpFileNameNew = filePath + System.getProperty("file.separator") +
filePrefix + BaseName + fileSuffix;
// rename the input file to show that it is no longer under the TMs control
File f = new File(DumpFileNameOld);
f.renameTo(new File(DumpFileNameNew));
}
}