private void resolveAndFillMapperConfiguration(String line, MapperConfiguration mapperConfig) {
// 1. fill the line in the List of configs
mapperConfig.getConfigurations().add(line);
// 2. resolve null checks
if (line.indexOf("=") > -1) {
String arr[] = line.split("[[ ]*]+");
mapperConfig
.getResolvedObjectHierarchies()
.put(arr[0], resolveNullChecksDestinationObj(arr[0], mapperConfig));
}
}
private void getInputAndOutputClasses(String line, MapperConfiguration mapperConfig)
throws ClassNotFoundException {
if (line.startsWith("map_from")) {
String arr[] = line.split("[[ ]*]+");
mapperConfig.getInputClasses().put(arr[1], Class.forName(arr[3]));
}
if (line.startsWith("map_to")) {
if (mapperConfig.getOutputClass() != null) {
logger.error("Only one MappedClass is Allowed !");
throw new RuntimeException("Only one MappedClass is Allowed !");
}
String arr[] = line.split("[[ ]*]+");
mapperConfig.setOutputClass(Class.forName(arr[3]));
;
mapperConfig.setOutputClassAlias((arr[1]));
;
}
}
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();
}
}
private List<ExpressionGetterSetterRow> resolveNullChecksDestinationObj(
String lhsExpression, MapperConfiguration mapperConfig) {
return BeanUtils.getAllSubExpressionsForLHS(mapperConfig.getOutputClass(), lhsExpression);
}
