private void addWriteToParcelMethod(HelperClassBuilder builder) throws ProcessorError {
ClassName targetClassName = builder.getArgClassName();
String target = "target";
String parcel = "parcel";
MethodSpec.Builder method =
MethodSpec.methodBuilder(METHOD_NAME_WRITE_TO_PARCEL)
.addAnnotation(
WeaveBuilder.weave()
.method(METHOD_NAME_WRITE_TO_PARCEL, Parcel.class, int.class)
.placed(WeaveBuilder.MethodWeaveType.AFTER_SUPER)
.withStatement(
"%s.%s(this, $1);",
fullName(builder.getClassName()), METHOD_NAME_WRITE_TO_PARCEL)
.build())
.addModifiers(Modifier.PUBLIC, Modifier.STATIC);
addClassAsParameter(method, targetClassName, target);
method.addParameter(Parcel.class, parcel);
for (int i = 0, c = mFields.size(); i < c; i++) {
Field field = mFields.get(i);
CallFormat writeCall = Parceler.writeCall(field.element);
if (writeCall == null) {
continue; // TODO : should throw exception or ignore field ?!
}
Pair<String, List<Object>> mappedWriteCall = mapCall(field, writeCall, target, parcel);
method.addStatement(
mappedWriteCall.fst, mappedWriteCall.snd.toArray(new Object[mappedWriteCall.snd.size()]));
}
builder.getBuilder().addMethod(method.build());
}
private void addReadFromParcelMethod(HelperClassBuilder builder) throws ProcessorError {
ClassName targetClassName = builder.getArgClassName();
String target = "target";
String parcel = "parcel";
MethodSpec.Builder method =
MethodSpec.methodBuilder(METHOD_NAME_READ_FROM_PARCEL)
.addAnnotation(
WeaveBuilder.weave()
.constructor(Parcel.class)
.withStatement(
"%s.%s(this, $1);",
fullName(builder.getClassName()), METHOD_NAME_READ_FROM_PARCEL)
.build())
.addModifiers(Modifier.PUBLIC, Modifier.STATIC);
addClassAsParameter(method, targetClassName, target);
method.addParameter(Parcel.class, parcel);
for (int i = 0, c = mFields.size(); i < c; i++) {
Field field = mFields.get(i);
CallFormat readCall = Parceler.readCall(field.element);
if (readCall == null) {
continue; // TODO : should throw exception or ignore field ?!
}
Pair<String, List<Object>> mappedReadCall = mapCall(field, readCall, target, parcel);
String format = mappedReadCall.fst;
List<Object> args = mappedReadCall.snd;
if (field.isAccessible()) {
format = String.format("$N.$N = %s", format);
args.add(0, field.element.getSimpleName());
args.add(0, target);
} else {
format = String.format("$N.$N(%s)", format);
args.add(0, field.setter.getSimpleName());
args.add(0, target);
}
method.addStatement(format, args.toArray(new Object[args.size()]));
}
builder.getBuilder().addMethod(method.build());
}
private void addCreatorField(HelperClassBuilder builder) {
FieldSpec.Builder field =
FieldSpec.builder(
ParameterizedTypeName.get(
ClassName.get(Parcelable.Creator.class), builder.getArgClassName()),
FIELD_NAME_CREATOR,
Modifier.PUBLIC,
Modifier.STATIC,
Modifier.FINAL);
field.addAnnotation(
WeaveBuilder.weave()
.field()
.withStatement("%s.%s", fullName(builder.getClassName()), FIELD_NAME_CREATOR)
.build());
field.initializer(
"new $T<$T>() {\n"
+ "\t@$T\n"
+ "\tpublic $T createFromParcel($T in) {\n"
+ "\t\treturn new $T(in);\n"
+ "\t}\n"
+ "\t@$T\n"
+ "\tpublic $T[] newArray(int size) {\n"
+ "\t\treturn new $T[size];\n"
+ "\t}\n"
+ "}",
Parcelable.Creator.class,
builder.getArgClassName(),
Override.class,
builder.getArgClassName(),
Parcel.class,
builder.getArgClassName(),
Override.class,
builder.getArgClassName(),
builder.getArgClassName());
builder.getBuilder().addField(field.build());
}