"Compilation unit services required");
Validate.notNull(members, "Members required");
Validate.notNull(constructor, "Method required");
// Start with the basic constructor
final ConstructorDeclaration d = new ConstructorDeclaration();
d.setModifiers(JavaParserUtils.getJavaParserModifier(constructor
.getModifier()));
d.setName(PhysicalTypeIdentifier.getJavaType(
constructor.getDeclaredByMetadataId()).getSimpleTypeName());
// Add any constructor-level annotations (not parameter annotations)
final List<AnnotationExpr> annotations = new ArrayList<AnnotationExpr>();
d.setAnnotations(annotations);
for (final AnnotationMetadata annotation : constructor.getAnnotations()) {
JavaParserAnnotationMetadataBuilder.addAnnotationToList(
compilationUnitServices, annotations, annotation);
}
// Add any constructor parameters, including their individual
// annotations and type parameters
final List<Parameter> parameters = new ArrayList<Parameter>();
d.setParameters(parameters);
int index = -1;
for (final AnnotatedJavaType constructorParameter : constructor
.getParameterTypes()) {
index++;
// Add the parameter annotations applicable for this parameter type
final List<AnnotationExpr> parameterAnnotations = new ArrayList<AnnotationExpr>();
for (final AnnotationMetadata parameterAnnotation : constructorParameter
.getAnnotations()) {
JavaParserAnnotationMetadataBuilder.addAnnotationToList(
compilationUnitServices, parameterAnnotations,
parameterAnnotation);
}
// Compute the parameter name
final String parameterName = constructor.getParameterNames()
.get(index).getSymbolName();
// Compute the parameter type
Type parameterType = null;
if (constructorParameter.getJavaType().isPrimitive()) {
parameterType = JavaParserUtils.getType(constructorParameter
.getJavaType());
}
else {
final Type finalType = JavaParserUtils.getResolvedName(
constructorParameter.getJavaType(),
constructorParameter.getJavaType(),
compilationUnitServices);
final ClassOrInterfaceType cit = JavaParserUtils
.getClassOrInterfaceType(finalType);
// Add any type arguments presented for the return type
if (constructorParameter.getJavaType().getParameters().size() > 0) {
final List<Type> typeArgs = new ArrayList<Type>();
cit.setTypeArgs(typeArgs);
for (final JavaType parameter : constructorParameter
.getJavaType().getParameters()) {
// NameExpr importedParameterType =
// JavaParserUtils.importTypeIfRequired(compilationUnitServices.getEnclosingTypeName(),
// compilationUnitServices.getImports(), parameter);
// typeArgs.add(JavaParserUtils.getReferenceType(importedParameterType));
typeArgs.add(JavaParserUtils.importParametersForType(
compilationUnitServices.getEnclosingTypeName(),
compilationUnitServices.getImports(), parameter));
}
}
parameterType = finalType;
}
// Create a Java Parser constructor parameter and add it to the list
// of parameters
final Parameter p = new Parameter(parameterType,
new VariableDeclaratorId(parameterName));
p.setAnnotations(parameterAnnotations);
parameters.add(p);
}
// Set the body
if (constructor.getBody() == null
|| constructor.getBody().length() == 0) {
d.setBlock(new BlockStmt());
}
else {
// There is a body.
// We need to make a fake constructor that we can have JavaParser
// parse.
// Easiest way to do that is to build a simple source class
// containing the required method and re-parse it.
final StringBuilder sb = new StringBuilder();
sb.append("class TemporaryClass {\n");
sb.append(" TemporaryClass() {\n");
sb.append(constructor.getBody());
sb.append("\n");
sb.append(" }\n");
sb.append("}\n");
final ByteArrayInputStream bais = new ByteArrayInputStream(sb
.toString().getBytes());
CompilationUnit ci;
try {
ci = JavaParser.parse(bais);
}
catch (final IOException e) {
throw new IllegalStateException(
"Illegal state: Unable to parse input stream", e);
}
catch (final ParseException pe) {
throw new IllegalStateException(
"Illegal state: JavaParser did not parse correctly", pe);
}
final List<TypeDeclaration> types = ci.getTypes();
if (types == null || types.size() != 1) {
throw new IllegalArgumentException("Method body invalid");
}
final TypeDeclaration td = types.get(0);
final List<BodyDeclaration> bodyDeclarations = td.getMembers();
if (bodyDeclarations == null || bodyDeclarations.size() != 1) {
throw new IllegalStateException(
"Illegal state: JavaParser did not return body declarations correctly");
}
final BodyDeclaration bd = bodyDeclarations.get(0);
if (!(bd instanceof ConstructorDeclaration)) {
throw new IllegalStateException(
"Illegal state: JavaParser did not return a method declaration correctly");
}
final ConstructorDeclaration cd = (ConstructorDeclaration) bd;
d.setBlock(cd.getBlock());
}
// Locate where to add this constructor; also verify if this method
// already exists
for (final BodyDeclaration bd : members) {
if (bd instanceof ConstructorDeclaration) {
// Next constructor should appear after this current constructor
final ConstructorDeclaration cd = (ConstructorDeclaration) bd;
if (cd.getParameters().size() == d.getParameters().size()) {
// Possible match, we need to consider parameter types as
// well now
final ConstructorMetadata constructorMetadata = new JavaParserConstructorMetadataBuilder(
constructor.getDeclaredByMetadataId(), cd,
compilationUnitServices, typeParameters).build();