private void readPositionalFieldNode(Node node, PositionalRecordDescriptor recordDescriptorIn)
throws MetadataReaderException {
PositionalFieldDescriptor positionalFieldDescriptor = new PositionalFieldDescriptor();
if (node.hasAttributes()) {
NamedNodeMap attributes = node.getAttributes();
for (int i = 0; i < attributes.getLength(); i++) {
Node attr = attributes.item(i);
if (attr.getNodeName().equals("name")) {
String fieldName = attr.getNodeValue();
Method getter;
try {
getter =
ReflectUtil.getGetterFromFieldName(fieldName, recordDescriptorIn.getRecordClazz());
} catch (SecurityException e) {
throw new MetadataReaderException(e);
} catch (NoSuchMethodException e) {
throw new MetadataReaderException(
"Getter method not found for field name: " + fieldName, e);
}
positionalFieldDescriptor.setGetter(getter);
} else if (attr.getNodeName().equals("decorator-class")) {
String decoratorClazzName = attr.getNodeValue();
FieldDecorator<?> decorator;
try {
Object decoratorObj = Class.forName(decoratorClazzName).newInstance();
if (FieldDecorator.class.isInstance(decoratorObj)) {
decorator = (FieldDecorator<?>) decoratorObj;
} else {
throw new MetadataReaderException(
"Decorator class must be a subtype of " + FieldDecorator.class);
}
} catch (ClassNotFoundException e) {
throw new MetadataReaderException(
"Decorator class not found on classpath: " + decoratorClazzName, e);
} catch (Exception e) {
throw new MetadataReaderException(
"Error while instantiating decorator class: " + decoratorClazzName, e);
}
positionalFieldDescriptor.setDecorator(decorator);
} else if (attr.getNodeName().equals("initial-position")) {
int initialPosition = Integer.parseInt(attr.getNodeValue());
positionalFieldDescriptor.setInitialPosition(initialPosition);
} else if (attr.getNodeName().equals("final-position")) {
int finalPosition = Integer.parseInt(attr.getNodeValue());
positionalFieldDescriptor.setFinalPosition(finalPosition);
} else if (attr.getNodeName().equals("padding-align")) {
PaddingAlign paddingAlign = PaddingAlign.valueOf(attr.getNodeValue());
positionalFieldDescriptor.setPaddingAlign(paddingAlign);
} else if (attr.getNodeName().equals("padding-character")) {
String paddingCharacter = attr.getNodeValue();
positionalFieldDescriptor.setPaddingCharacter(paddingCharacter.charAt(0));
} else if (attr.getNodeName().equals("trim-on-read")) {
boolean trimOnRead = Boolean.valueOf(attr.getNodeValue());
positionalFieldDescriptor.setTrimOnRead(trimOnRead);
}
}
}
recordDescriptorIn.getFieldDescriptors().add(positionalFieldDescriptor);
}
private RecordDescriptor readFFPojoNode(Node node) throws MetadataReaderException {
RecordDescriptor recordDescriptor = null;
Class<?> recordClazz = null;
if (node.hasAttributes()) {
NamedNodeMap attributes = node.getAttributes();
for (int i = 0; i < attributes.getLength(); i++) {
Node attr = attributes.item(i);
if (attr.getNodeName().equals("class")) {
String recordClazzName = attr.getNodeValue();
try {
recordClazz = Class.forName(recordClazzName);
} catch (ClassNotFoundException e) {
throw new MetadataReaderException(
"Record class not found on classpath: " + recordClazzName, e);
}
}
}
}
if (node.hasChildNodes()) {
NodeList childNodes = node.getChildNodes();
for (int i = 0; i < childNodes.getLength(); i++) {
Node childNode = childNodes.item(i);
if (childNode.getNodeType() == Node.ELEMENT_NODE) {
if (childNode.getNodeName().equals("positional")) {
PositionalRecordDescriptor positionalRecordDescriptor =
new PositionalRecordDescriptor();
positionalRecordDescriptor.setRecordClazz(recordClazz);
readPositionalNode(childNode, positionalRecordDescriptor);
recordDescriptor = positionalRecordDescriptor;
} else if (childNode.getNodeName().equals("delimited")) {
DelimitedRecordDescriptor delimitedRecordDescriptor = new DelimitedRecordDescriptor();
delimitedRecordDescriptor.setRecordClazz(recordClazz);
readDelimitedNode(childNode, delimitedRecordDescriptor);
recordDescriptor = delimitedRecordDescriptor;
}
}
}
}
return recordDescriptor;
}
