private boolean hasFileName() {
for (PropertyDeclaration property : model.getDeclaredProperties()) {
if (CsvFieldTrait.getKind(property, Kind.VALUE) == Kind.FILE_NAME) {
return true;
}
}
return false;
}
private MethodDeclaration createGetConfiguration() {
List<Statement> statements = Lists.create();
List<Expression> arguments = Lists.create();
arguments.add(
new TypeBuilder(f, context.resolve(Charset.class))
.method("forName", Models.toLiteral(f, conf.getCharsetName()))
.toExpression());
if (conf.isEnableHeader()) {
SimpleName headers = f.newSimpleName("headers");
statements.add(
new TypeBuilder(f, context.resolve(ArrayList.class))
.parameterize(context.resolve(String.class))
.newObject()
.toLocalVariableDeclaration(
new TypeBuilder(f, context.resolve(List.class))
.parameterize(context.resolve(String.class))
.toType(),
headers));
for (PropertyDeclaration property : model.getDeclaredProperties()) {
if (isValueField(property)) {
String fieldName = CsvFieldTrait.getFieldName(property);
statements.add(
new ExpressionBuilder(f, headers)
.method("add", Models.toLiteral(f, fieldName))
.toStatement());
}
}
arguments.add(headers);
} else {
arguments.add(
new TypeBuilder(f, context.resolve(CsvConfiguration.class))
.field("DEFAULT_HEADER_CELLS")
.toExpression());
}
arguments.add(Models.toLiteral(f, conf.getTrueFormat()));
arguments.add(Models.toLiteral(f, conf.getFalseFormat()));
arguments.add(Models.toLiteral(f, conf.getDateFormat()));
arguments.add(Models.toLiteral(f, conf.getDateTimeFormat()));
statements.add(
new TypeBuilder(f, context.resolve(CsvConfiguration.class))
.newObject(arguments)
.toReturnStatement());
return f.newMethodDeclaration(
new JavadocBuilder(f)
.text("Returns this CSV format configuration.")
.returns()
.text("CSV format configuration")
.toJavadoc(),
new AttributeBuilder(f).Protected().toAttributes(),
context.resolve(CsvConfiguration.class),
f.newSimpleName(METHOD_CONFIG),
Collections.<FormalParameterDeclaration>emptyList(),
statements);
}
private ClassDeclaration createReaderClass() {
SimpleName parser = f.newSimpleName("parser");
List<TypeBodyDeclaration> members = Lists.create();
members.add(createPrivateField(CsvParser.class, parser));
List<ExpressionStatement> constructorStatements = Lists.create();
constructorStatements.add(mapField(parser));
if (hasFileName()) {
members.add(createPrivateField(StringOption.class, f.newSimpleName(FIELD_PATH_NAME)));
constructorStatements.add(
new ExpressionBuilder(f, f.newSimpleName(FIELD_PATH_NAME))
.assignFrom(
new TypeBuilder(f, context.resolve(StringOption.class))
.newObject(
new ExpressionBuilder(f, parser).method("getPath").toExpression())
.toExpression())
.toStatement());
}
members.add(
f.newConstructorDeclaration(
null,
new AttributeBuilder(f).toAttributes(),
f.newSimpleName(NAME_READER),
Arrays.asList(
f.newFormalParameterDeclaration(context.resolve(CsvParser.class), parser)),
constructorStatements));
SimpleName object = f.newSimpleName("object");
List<Statement> statements = Lists.create();
statements.add(
f.newIfStatement(
new ExpressionBuilder(f, parser)
.method("next")
.apply(InfixOperator.EQUALS, Models.toLiteral(f, false))
.toExpression(),
f.newBlock(
new ExpressionBuilder(f, Models.toLiteral(f, false)).toReturnStatement())));
for (PropertyDeclaration property : model.getDeclaredProperties()) {
switch (CsvFieldTrait.getKind(property, Kind.VALUE)) {
case VALUE:
statements.add(
new ExpressionBuilder(f, parser)
.method(
"fill",
new ExpressionBuilder(f, object)
.method(context.getOptionGetterName(property))
.toExpression())
.toStatement());
break;
case FILE_NAME:
statements.add(
new ExpressionBuilder(f, object)
.method(context.getOptionSetterName(property), f.newSimpleName(FIELD_PATH_NAME))
.toStatement());
break;
case LINE_NUMBER:
statements.add(
new ExpressionBuilder(f, object)
.method(
context.getValueSetterName(property),
new ExpressionBuilder(f, parser)
.method("getCurrentLineNumber")
.toExpression())
.toStatement());
break;
case RECORD_NUMBER:
statements.add(
new ExpressionBuilder(f, object)
.method(
context.getValueSetterName(property),
new ExpressionBuilder(f, parser)
.method("getCurrentRecordNumber")
.toExpression())
.toStatement());
break;
default:
// ignored
break;
}
}
statements.add(new ExpressionBuilder(f, parser).method("endRecord").toStatement());
statements.add(new ExpressionBuilder(f, Models.toLiteral(f, true)).toReturnStatement());
members.add(
f.newMethodDeclaration(
null,
new AttributeBuilder(f)
.annotation(context.resolve(Override.class))
.Public()
.toAttributes(),
Collections.<TypeParameterDeclaration>emptyList(),
context.resolve(boolean.class),
f.newSimpleName("readTo"),
Arrays.asList(
f.newFormalParameterDeclaration(context.resolve(model.getSymbol()), object)),
0,
Arrays.asList(context.resolve(IOException.class)),
f.newBlock(statements)));
return f.newClassDeclaration(
null,
new AttributeBuilder(f).Private().Static().Final().toAttributes(),
f.newSimpleName(NAME_READER),
null,
Arrays.asList(
f.newParameterizedType(
context.resolve(DataModelReader.class), context.resolve(model.getSymbol()))),
members);
}
static boolean isValueField(PropertyDeclaration property) {
assert property != null;
return CsvFieldTrait.getKind(property, Kind.VALUE) == Kind.VALUE;
}