org.eclipse.jdt.core.dom.AbstractTypeDeclaration#getAST ( )源码实例Demo

private void addEnclosingInstanceDeclaration(final AbstractTypeDeclaration declaration, final ASTRewrite rewrite) throws CoreException {
	Assert.isNotNull(declaration);
	Assert.isNotNull(rewrite);
	final AST ast= declaration.getAST();
	final VariableDeclarationFragment fragment= ast.newVariableDeclarationFragment();
	fragment.setName(ast.newSimpleName(fEnclosingInstanceFieldName));
	final FieldDeclaration newField= ast.newFieldDeclaration(fragment);
	newField.modifiers().addAll(ASTNodeFactory.newModifiers(ast, getEnclosingInstanceAccessModifiers()));
	newField.setType(createEnclosingType(ast));
	final String comment= CodeGeneration.getFieldComment(fType.getCompilationUnit(), declaration.getName().getIdentifier(), fEnclosingInstanceFieldName, StubUtility.getLineDelimiterUsed(fType.getJavaProject()));
	if (comment != null && comment.length() > 0) {
		final Javadoc doc= (Javadoc) rewrite.createStringPlaceholder(comment, ASTNode.JAVADOC);
		newField.setJavadoc(doc);
	}
	rewrite.getListRewrite(declaration, declaration.getBodyDeclarationsProperty()).insertFirst(newField, null);
}
 

private void addNewConstructorToSubclass(AbstractTypeDeclaration subclass, CompilationUnitRewrite cuRewrite) {
	AST ast= subclass.getAST();
	MethodDeclaration newConstructor= ast.newMethodDeclaration();
	newConstructor.setName(ast.newSimpleName(subclass.getName().getIdentifier()));
	newConstructor.setConstructor(true);
	newConstructor.setJavadoc(null);
	newConstructor.modifiers().addAll(ASTNodeFactory.newModifiers(ast, getAccessModifier(subclass)));
	newConstructor.setReturnType2(ast.newPrimitiveType(PrimitiveType.VOID));
	Block body= ast.newBlock();
	newConstructor.setBody(body);
	SuperConstructorInvocation superCall= ast.newSuperConstructorInvocation();
	addArgumentsToNewSuperConstructorCall(superCall, cuRewrite);
	body.statements().add(superCall);

	String msg= RefactoringCoreMessages.ChangeSignatureRefactoring_add_constructor;
	TextEditGroup description= cuRewrite.createGroupDescription(msg);
	cuRewrite.getASTRewrite().getListRewrite(subclass, subclass.getBodyDeclarationsProperty()).insertFirst(newConstructor, description);

	// TODO use AbstractTypeDeclaration
}
 

private void createConstructor(final AbstractTypeDeclaration declaration, final ASTRewrite rewrite) throws CoreException {
	Assert.isNotNull(declaration);
	Assert.isNotNull(rewrite);
	final AST ast= declaration.getAST();
	final MethodDeclaration constructor= ast.newMethodDeclaration();
	constructor.setConstructor(true);
	constructor.setName(ast.newSimpleName(declaration.getName().getIdentifier()));
	final String comment= CodeGeneration.getMethodComment(fType.getCompilationUnit(), fType.getElementName(), fType.getElementName(), getNewConstructorParameterNames(), new String[0], null, null, StubUtility.getLineDelimiterUsed(fType.getJavaProject()));
	if (comment != null && comment.length() > 0) {
		final Javadoc doc= (Javadoc) rewrite.createStringPlaceholder(comment, ASTNode.JAVADOC);
		constructor.setJavadoc(doc);
	}
	if (fCreateInstanceField) {
		final SingleVariableDeclaration variable= ast.newSingleVariableDeclaration();
		final String name= getNameForEnclosingInstanceConstructorParameter();
		variable.setName(ast.newSimpleName(name));
		variable.setType(createEnclosingType(ast));
		constructor.parameters().add(variable);
		final Block body= ast.newBlock();
		final Assignment assignment= ast.newAssignment();
		if (fCodeGenerationSettings.useKeywordThis || fEnclosingInstanceFieldName.equals(fNameForEnclosingInstanceConstructorParameter)) {
			final FieldAccess access= ast.newFieldAccess();
			access.setExpression(ast.newThisExpression());
			access.setName(ast.newSimpleName(fEnclosingInstanceFieldName));
			assignment.setLeftHandSide(access);
		} else
			assignment.setLeftHandSide(ast.newSimpleName(fEnclosingInstanceFieldName));
		assignment.setRightHandSide(ast.newSimpleName(name));
		final Statement statement= ast.newExpressionStatement(assignment);
		body.statements().add(statement);
		constructor.setBody(body);
	} else
		constructor.setBody(ast.newBlock());
	rewrite.getListRewrite(declaration, declaration.getBodyDeclarationsProperty()).insertFirst(constructor, null);
}
 

/**
 * Creates the new signature of the source type.
 *
 * @param rewrite
 *            the source compilation unit rewrite
 * @param declaration
 *            the type declaration
 * @param status
 *            the refactoring status
 * @param monitor
 *            the progress monitor to use
 * @throws JavaModelException
 *             if the type parameters cannot be retrieved
 */
protected final void createTypeSignature(final CompilationUnitRewrite rewrite, final AbstractTypeDeclaration declaration, final RefactoringStatus status, final IProgressMonitor monitor) throws JavaModelException {
	Assert.isNotNull(rewrite);
	Assert.isNotNull(declaration);
	Assert.isNotNull(status);
	Assert.isNotNull(monitor);
	try {
		monitor.beginTask("", 1); //$NON-NLS-1$
		monitor.setTaskName(RefactoringCoreMessages.ExtractInterfaceProcessor_creating);
		final AST ast= declaration.getAST();
		final ITypeParameter[] parameters= fSubType.getTypeParameters();
		Type type= ast.newSimpleType(ast.newSimpleName(fSuperName));
		if (parameters.length > 0) {
			final ParameterizedType parameterized= ast.newParameterizedType(type);
			for (int index= 0; index < parameters.length; index++)
				parameterized.typeArguments().add(ast.newSimpleType(ast.newSimpleName(parameters[index].getElementName())));
			type= parameterized;
		}
		final ASTRewrite rewriter= rewrite.getASTRewrite();
		if (declaration instanceof TypeDeclaration)
			rewriter.getListRewrite(declaration, TypeDeclaration.SUPER_INTERFACE_TYPES_PROPERTY).insertLast(type, rewrite.createCategorizedGroupDescription(RefactoringCoreMessages.ExtractInterfaceProcessor_add_super_interface, SET_EXTRACT_INTERFACE));
		else if (declaration instanceof EnumDeclaration)
			rewriter.getListRewrite(declaration, EnumDeclaration.SUPER_INTERFACE_TYPES_PROPERTY).insertLast(type, rewrite.createCategorizedGroupDescription(RefactoringCoreMessages.ExtractInterfaceProcessor_add_super_interface, SET_EXTRACT_INTERFACE));
		monitor.worked(1);
	} finally {
		monitor.done();
	}
}