@Override
public String updateAndGetCompilationUnitContents(
final String fileIdentifier, final ClassOrInterfaceTypeDetails cid) {
// Validate parameters
Validate.notBlank(fileIdentifier, "Oringinal unit path required");
Validate.notNull(cid, "Type details required");
// Load original compilation unit from file
final File file = new File(fileIdentifier);
String fileContents = "";
try {
fileContents = FileUtils.readFileToString(file);
} catch (final IOException ignored) {
}
if (StringUtils.isBlank(fileContents)) {
return getCompilationUnitContents(cid);
}
CompilationUnit compilationUnit;
try {
compilationUnit = JavaParser.parse(new ByteArrayInputStream(fileContents.getBytes()));
} catch (final IOException e) {
throw new IllegalStateException(e);
} catch (final ParseException e) {
throw new IllegalStateException(e);
}
// Load new compilation unit from cid information
final String cidContents = getCompilationUnitContents(cid);
CompilationUnit cidCompilationUnit;
try {
cidCompilationUnit = JavaParser.parse(new ByteArrayInputStream(cidContents.getBytes()));
} catch (final IOException e) {
throw new IllegalStateException(e);
} catch (final ParseException e) {
throw new IllegalStateException(e);
}
// Update package
if (!compilationUnit
.getPackage()
.getName()
.getName()
.equals(cidCompilationUnit.getPackage().getName().getName())) {
compilationUnit.setPackage(cidCompilationUnit.getPackage());
}
// Update imports
UpdateCompilationUnitUtils.updateCompilationUnitImports(compilationUnit, cidCompilationUnit);
// Update types
UpdateCompilationUnitUtils.updateCompilationUnitTypes(compilationUnit, cidCompilationUnit);
// Return new contents
return compilationUnit.toString();
}
@Override
public final String getCompilationUnitContents(final ClassOrInterfaceTypeDetails cid) {
Validate.notNull(cid, "Class or interface type details are required");
// Create a compilation unit to store the type to be created
final CompilationUnit compilationUnit = new CompilationUnit();
// NB: this import list is replaced at the end of this method by a
// sorted version
compilationUnit.setImports(new ArrayList<ImportDeclaration>());
if (!cid.getName().isDefaultPackage()) {
compilationUnit.setPackage(
new PackageDeclaration(
ASTHelper.createNameExpr(cid.getName().getPackage().getFullyQualifiedPackageName())));
}
// Add the class of interface declaration to the compilation unit
final List<TypeDeclaration> types = new ArrayList<TypeDeclaration>();
compilationUnit.setTypes(types);
updateOutput(compilationUnit, null, cid, null);
return compilationUnit.toString();
}
public Boolean visit(CompilationUnit n1, Node arg) {
CompilationUnit n2 = (CompilationUnit) arg;
if (!nodeEquals(n1.getPackage(), n2.getPackage())) {
return Boolean.FALSE;
}
if (!nodesEquals(n1.getImports(), n2.getImports())) {
return Boolean.FALSE;
}
if (!nodesEquals(n1.getTypes(), n2.getTypes())) {
return Boolean.FALSE;
}
return Boolean.TRUE;
}
/**
* Appends the presented class to the end of the presented body declarations. The body
* declarations appear within the presented compilation unit. This is used to progressively build
* inner types.
*
* @param compilationUnit the work-in-progress compilation unit (required)
* @param enclosingCompilationUnitServices
* @param cid the new class to add (required)
* @param parent the class body declarations a subclass should be added to (may be null, which
* denotes a top-level type within the compilation unit)
*/
private void updateOutput(
final CompilationUnit compilationUnit,
CompilationUnitServices enclosingCompilationUnitServices,
final ClassOrInterfaceTypeDetails cid,
final List<BodyDeclaration> parent) {
// Append the new imports this class declares
Validate.notNull(
compilationUnit.getImports(),
"Compilation unit imports should be non-null when producing type '%s'",
cid.getName());
for (final ImportMetadata importType : cid.getRegisteredImports()) {
ImportDeclaration importDeclaration;
if (!importType.isAsterisk()) {
NameExpr typeToImportExpr;
if (importType.getImportType().getEnclosingType() == null) {
typeToImportExpr =
new QualifiedNameExpr(
new NameExpr(
importType.getImportType().getPackage().getFullyQualifiedPackageName()),
importType.getImportType().getSimpleTypeName());
} else {
typeToImportExpr =
new QualifiedNameExpr(
new NameExpr(
importType.getImportType().getEnclosingType().getFullyQualifiedTypeName()),
importType.getImportType().getSimpleTypeName());
}
importDeclaration = new ImportDeclaration(typeToImportExpr, importType.isStatic(), false);
} else {
importDeclaration =
new ImportDeclaration(
new NameExpr(importType.getImportPackage().getFullyQualifiedPackageName()),
importType.isStatic(),
importType.isAsterisk());
}
JavaParserCommentMetadataBuilder.updateCommentsToJavaParser(
importDeclaration, importType.getCommentStructure());
compilationUnit.getImports().add(importDeclaration);
}
// Create a class or interface declaration to represent this actual type
final int javaParserModifier = JavaParserUtils.getJavaParserModifier(cid.getModifier());
TypeDeclaration typeDeclaration;
ClassOrInterfaceDeclaration classOrInterfaceDeclaration;
// Implements handling
final List<ClassOrInterfaceType> implementsList = new ArrayList<ClassOrInterfaceType>();
for (final JavaType current : cid.getImplementsTypes()) {
implementsList.add(JavaParserUtils.getResolvedName(cid.getName(), current, compilationUnit));
}
if (cid.getPhysicalTypeCategory() == PhysicalTypeCategory.INTERFACE
|| cid.getPhysicalTypeCategory() == PhysicalTypeCategory.CLASS) {
final boolean isInterface = cid.getPhysicalTypeCategory() == PhysicalTypeCategory.INTERFACE;
if (parent == null) {
// Top level type
typeDeclaration =
new ClassOrInterfaceDeclaration(
javaParserModifier,
isInterface,
cid.getName()
.getNameIncludingTypeParameters()
.replace(cid.getName().getPackage().getFullyQualifiedPackageName() + ".", ""));
classOrInterfaceDeclaration = (ClassOrInterfaceDeclaration) typeDeclaration;
} else {
// Inner type
typeDeclaration =
new ClassOrInterfaceDeclaration(
javaParserModifier, isInterface, cid.getName().getSimpleTypeName());
classOrInterfaceDeclaration = (ClassOrInterfaceDeclaration) typeDeclaration;
if (cid.getName().getParameters().size() > 0) {
classOrInterfaceDeclaration.setTypeParameters(new ArrayList<TypeParameter>());
for (final JavaType param : cid.getName().getParameters()) {
NameExpr pNameExpr =
JavaParserUtils.importTypeIfRequired(
cid.getName(), compilationUnit.getImports(), param);
final String tempName =
StringUtils.replace(pNameExpr.toString(), param.getArgName() + " extends ", "", 1);
pNameExpr = new NameExpr(tempName);
final ClassOrInterfaceType pResolvedName =
JavaParserUtils.getClassOrInterfaceType(pNameExpr);
classOrInterfaceDeclaration
.getTypeParameters()
.add(
new TypeParameter(
param.getArgName().getSymbolName(),
Collections.singletonList(pResolvedName)));
}
}
}
// Superclass handling
final List<ClassOrInterfaceType> extendsList = new ArrayList<ClassOrInterfaceType>();
for (final JavaType current : cid.getExtendsTypes()) {
if (!OBJECT.equals(current)) {
extendsList.add(JavaParserUtils.getResolvedName(cid.getName(), current, compilationUnit));
}
}
if (extendsList.size() > 0) {
classOrInterfaceDeclaration.setExtends(extendsList);
}
// Implements handling
if (implementsList.size() > 0) {
classOrInterfaceDeclaration.setImplements(implementsList);
}
} else {
typeDeclaration = new EnumDeclaration(javaParserModifier, cid.getName().getSimpleTypeName());
}
typeDeclaration.setMembers(new ArrayList<BodyDeclaration>());
Validate.notNull(
typeDeclaration.getName(), "Missing type declaration name for '%s'", cid.getName());
// If adding a new top-level type, must add it to the compilation unit
// types
Validate.notNull(
compilationUnit.getTypes(),
"Compilation unit types must not be null when attempting to add '%s'",
cid.getName());
if (parent == null) {
// Top-level class
compilationUnit.getTypes().add(typeDeclaration);
} else {
// Inner class
parent.add(typeDeclaration);
}
// If the enclosing CompilationUnitServices was not provided a default
// CompilationUnitServices needs to be created
if (enclosingCompilationUnitServices == null) {
// Create a compilation unit so that we can use JavaType*Metadata
// static methods directly
enclosingCompilationUnitServices =
new CompilationUnitServices() {
@Override
public JavaPackage getCompilationUnitPackage() {
return cid.getName().getPackage();
}
@Override
public JavaType getEnclosingTypeName() {
return cid.getName();
}
@Override
public List<ImportDeclaration> getImports() {
return compilationUnit.getImports();
}
@Override
public List<TypeDeclaration> getInnerTypes() {
return compilationUnit.getTypes();
}
@Override
public PhysicalTypeCategory getPhysicalTypeCategory() {
return cid.getPhysicalTypeCategory();
}
};
}
final CompilationUnitServices finalCompilationUnitServices = enclosingCompilationUnitServices;
// A hybrid CompilationUnitServices must be provided that references the
// enclosing types imports and package
final CompilationUnitServices compilationUnitServices =
new CompilationUnitServices() {
@Override
public JavaPackage getCompilationUnitPackage() {
return finalCompilationUnitServices.getCompilationUnitPackage();
}
@Override
public JavaType getEnclosingTypeName() {
return cid.getName();
}
@Override
public List<ImportDeclaration> getImports() {
return finalCompilationUnitServices.getImports();
}
@Override
public List<TypeDeclaration> getInnerTypes() {
return compilationUnit.getTypes();
}
@Override
public PhysicalTypeCategory getPhysicalTypeCategory() {
return cid.getPhysicalTypeCategory();
}
};
// Add type annotations
final List<AnnotationExpr> annotations = new ArrayList<AnnotationExpr>();
typeDeclaration.setAnnotations(annotations);
for (final AnnotationMetadata candidate : cid.getAnnotations()) {
JavaParserAnnotationMetadataBuilder.addAnnotationToList(
compilationUnitServices, annotations, candidate);
}
// ROO-3834: Generating default Javadoc inside class if class doesn't contains JavaDoc
List<Comment> classComments = compilationUnit.getComments();
if (classComments == null || classComments.isEmpty()) {
CommentStructure defaultCommentStructure = new CommentStructure();
String defaultComment =
"/**\n * = "
.concat(cid.getType().getSimpleTypeName())
.concat("\n *\n * TODO Auto-generated class documentation\n *\n */\n");
defaultCommentStructure.addComment(
new JavadocComment(defaultComment), CommentLocation.BEGINNING);
if (annotations.isEmpty()) {
JavaParserCommentMetadataBuilder.updateCommentsToJavaParser(
typeDeclaration, defaultCommentStructure);
} else {
// If exists some annotation, include comment before the existing annotations
AnnotationExpr firstAnnotation = annotations.get(0);
JavaParserCommentMetadataBuilder.updateCommentsToJavaParser(
firstAnnotation, defaultCommentStructure);
}
}
// Add enum constants and interfaces
if (typeDeclaration instanceof EnumDeclaration && cid.getEnumConstants().size() > 0) {
final EnumDeclaration enumDeclaration = (EnumDeclaration) typeDeclaration;
final List<EnumConstantDeclaration> constants = new ArrayList<EnumConstantDeclaration>();
enumDeclaration.setEntries(constants);
for (final JavaSymbolName constant : cid.getEnumConstants()) {
addEnumConstant(constants, constant);
}
// Implements handling
if (implementsList.size() > 0) {
enumDeclaration.setImplements(implementsList);
}
}
// Add fields
for (final FieldMetadata candidate : cid.getDeclaredFields()) {
JavaParserFieldMetadataBuilder.addField(
compilationUnitServices, typeDeclaration.getMembers(), candidate);
}
// Add constructors
for (final ConstructorMetadata candidate : cid.getDeclaredConstructors()) {
JavaParserConstructorMetadataBuilder.addConstructor(
compilationUnitServices, typeDeclaration.getMembers(), candidate, null);
}
// Add methods
for (final MethodMetadata candidate : cid.getDeclaredMethods()) {
JavaParserMethodMetadataBuilder.addMethod(
compilationUnitServices, typeDeclaration.getMembers(), candidate, null);
}
// Add inner types
for (final ClassOrInterfaceTypeDetails candidate : cid.getDeclaredInnerTypes()) {
updateOutput(
compilationUnit, compilationUnitServices, candidate, typeDeclaration.getMembers());
}
final HashSet<String> imported = new HashSet<String>();
final ArrayList<ImportDeclaration> imports = new ArrayList<ImportDeclaration>();
for (final ImportDeclaration importDeclaration : compilationUnit.getImports()) {
JavaPackage importPackage = null;
JavaType importType = null;
if (importDeclaration.isAsterisk()) {
importPackage = new JavaPackage(importDeclaration.getName().toString());
} else {
importType = new JavaType(importDeclaration.getName().toString());
importPackage = importType.getPackage();
}
if (importPackage.equals(cid.getName().getPackage()) && importDeclaration.isAsterisk()) {
continue;
}
if (importPackage.equals(cid.getName().getPackage())
&& importType != null
&& importType.getEnclosingType() == null) {
continue;
}
if (importType != null && importType.equals(cid.getName())) {
continue;
}
if (!imported.contains(importDeclaration.getName().toString())) {
imports.add(importDeclaration);
imported.add(importDeclaration.getName().toString());
}
}
Collections.sort(
imports,
new Comparator<ImportDeclaration>() {
@Override
public int compare(
final ImportDeclaration importDeclaration,
final ImportDeclaration importDeclaration1) {
return importDeclaration
.getName()
.toString()
.compareTo(importDeclaration1.getName().toString());
}
});
compilationUnit.setImports(imports);
}