public void generateMapper(Path configFilePath, Path mapperGenPath) {
String outputClassText = "";
String currRHS = "";
String currLHS = "";
String currMode = "mapper";
String mapperClassName = "";
String mapperClassPackageName = "";
MapperClassText mapperText = new MapperClassText();
MapperConfiguration mapperConfig = new MapperConfiguration();
// Read Config File
try {
BufferedReader reader = new BufferedReader(new FileReader(configFilePath.toFile()));
String line = reader.readLine();
if (!line.trim().equals("#mapper")) {
logger.error("Mapper Genie Configuration should begin with #mapper");
return;
}
line = reader.readLine();
while (line != null) {
currMode = determineMapperMode(line, currMode);
// remove any comments and mapper section separators
while (line.startsWith("#")) {
line = reader.readLine();
}
switch (currMode) {
case "mapper":
mapperConfig.setMapperPackageName(getMapperPackageAndClassName(line)[0]);
mapperConfig.setMapperClassName(getMapperPackageAndClassName(line)[1]);
break;
case "classes":
getInputAndOutputClasses(line, mapperConfig);
break;
case "configuration":
resolveAndFillMapperConfiguration(line, mapperConfig);
break;
}
if (line.indexOf("=") == -1) {
logger.debug("Mapper Command / Comment found {}", line);
} else {
logger.debug("Mapper Configuration found {}", line);
}
line = reader.readLine();
}
} catch (IOException e) {
logger.error("Error Opening/Reading/writing Config/new class file !");
e.printStackTrace();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
