/**
* @param type
* @param fileName
* @return
* @throws BirtException
*/
private DataEngineContext newContext(int type, String fileName) throws BirtException {
switch (type) {
case DataEngineContext.MODE_GENERATION:
{
try {
archiveWriter = new FileArchiveWriter(fileName);
archiveWriter.initialize();
} catch (IOException e) {
throw new IllegalArgumentException(e.getMessage());
}
return DataEngineContext.newInstance(
DataEngineContext.MODE_GENERATION, null, null, archiveWriter);
}
case DataEngineContext.MODE_PRESENTATION:
{
try {
archiveReader = new FileArchiveReader(fileName);
archiveReader.open();
} catch (IOException e) {
throw new IllegalArgumentException(e.getMessage());
}
return DataEngineContext.newInstance(
DataEngineContext.MODE_PRESENTATION, null, archiveReader, null);
}
default:
throw new IllegalArgumentException("" + type);
}
}
/** @throws DataException */
private void closeArchiveWriter() throws DataException {
if (archiveWriter != null)
try {
archiveWriter.finish();
} catch (IOException e) {
throw new DataException("error", e);
}
}
