Java Code Examples for org.eclipse.jdt.core.dom.AST#newStringLiteral()

The following examples show how to use org.eclipse.jdt.core.dom.AST#newStringLiteral() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: MissingAnnotationAttributesProposal.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 6 votes vote down vote up 
private Expression newDefaultExpression(AST ast, ITypeBinding type, ImportRewriteContext context) {
	if (type.isPrimitive()) {
		String name= type.getName();
		if ("boolean".equals(name)) { //$NON-NLS-1$
			return ast.newBooleanLiteral(false);
		} else {
			return ast.newNumberLiteral("0"); //$NON-NLS-1$
		}
	}
	if (type == ast.resolveWellKnownType("java.lang.String")) { //$NON-NLS-1$
		return ast.newStringLiteral();
	}
	if (type.isArray()) {
		ArrayInitializer initializer= ast.newArrayInitializer();
		initializer.expressions().add(newDefaultExpression(ast, type.getElementType(), context));
		return initializer;
	}
	if (type.isAnnotation()) {
		MarkerAnnotation annotation= ast.newMarkerAnnotation();
		annotation.setTypeName(ast.newName(getImportRewrite().addImport(type, context)));
		return annotation;
	}
	return ast.newNullLiteral();
}
Example 2
Source File: EnsuresPredicateFix.java    From CogniCrypt with Eclipse Public License 2.0 5 votes vote down vote up 
/**
 * This method builds a {@link ClassInstanceCreation} object (i.e. "new Ensuerer(varName, predicate")
 * 
 * @param ast
 * @param varName
 * @param predicate
 * @return
 */
private ClassInstanceCreation createEnsurerClassInstance(final AST ast, String varName, String predicate) {
	final ClassInstanceCreation classInstance = ast.newClassInstanceCreation();
	classInstance.setType(createAstType(INJAR_CLASS_NAME, ast));
	final StringLiteral literalPredicate = ast.newStringLiteral();
	literalPredicate.setLiteralValue(predicate);
	classInstance.arguments().add(ast.newSimpleName(varName));
	classInstance.arguments().add(literalPredicate);

	return classInstance;
}
Example 3
Source File: GeneratedAnnotationPopulator.java    From SparkBuilderGenerator with MIT License 5 votes vote down vote up 
private SingleMemberAnnotation createGeneratedAnnotation(AST ast) {
    SingleMemberAnnotation generatedAnnotation = ast.newSingleMemberAnnotation();
    generatedAnnotation.setTypeName(ast.newSimpleName("Generated"));
    StringLiteral annotationValue = ast.newStringLiteral();
    annotationValue.setLiteralValue(StaticPreferences.PLUGIN_GENERATED_ANNOTATION_NAME);
    generatedAnnotation.setValue(annotationValue);
    return generatedAnnotation;
}
Example 4
Source File: LocalCorrectionsSubProcessor.java    From eclipse.jdt.ls with Eclipse Public License 2.0 5 votes vote down vote up 
private static ThrowStatement getThrowForUnsupportedCase(Expression switchExpr, AST ast, ASTRewrite astRewrite) {
	ThrowStatement newThrowStatement = ast.newThrowStatement();
	ClassInstanceCreation newCic = ast.newClassInstanceCreation();
	newCic.setType(ast.newSimpleType(ast.newSimpleName("UnsupportedOperationException"))); //$NON-NLS-1$
	InfixExpression newInfixExpr = ast.newInfixExpression();
	StringLiteral newStringLiteral = ast.newStringLiteral();
	newStringLiteral.setLiteralValue("Unimplemented case: "); //$NON-NLS-1$
	newInfixExpr.setLeftOperand(newStringLiteral);
	newInfixExpr.setOperator(InfixExpression.Operator.PLUS);
	newInfixExpr.setRightOperand((Expression) astRewrite.createCopyTarget(switchExpr));
	newCic.arguments().add(newInfixExpr);
	newThrowStatement.setExpression(newCic);
	return newThrowStatement;
}
Example 5
Source File: LocalCorrectionsSubProcessor.java    From eclipse.jdt.ls with Eclipse Public License 2.0 5 votes vote down vote up 
private static ThrowStatement getThrowForUnexpectedDefault(Expression switchExpression, AST ast, ASTRewrite astRewrite) {
	ThrowStatement newThrowStatement = ast.newThrowStatement();
	ClassInstanceCreation newCic = ast.newClassInstanceCreation();
	newCic.setType(ast.newSimpleType(ast.newSimpleName("IllegalArgumentException"))); //$NON-NLS-1$
	InfixExpression newInfixExpr = ast.newInfixExpression();
	StringLiteral newStringLiteral = ast.newStringLiteral();
	newStringLiteral.setLiteralValue("Unexpected value: "); //$NON-NLS-1$
	newInfixExpr.setLeftOperand(newStringLiteral);
	newInfixExpr.setOperator(InfixExpression.Operator.PLUS);
	newInfixExpr.setRightOperand((Expression) astRewrite.createCopyTarget(switchExpression));
	newCic.arguments().add(newInfixExpr);
	newThrowStatement.setExpression(newCic);
	return newThrowStatement;
}
Example 6
Source File: ClientBundleResource.java    From gwt-eclipse-plugin with Eclipse Public License 1.0 5 votes vote down vote up 
public MethodDeclaration createMethodDeclaration(IType clientBundle, ASTRewrite astRewrite,
    ImportRewrite importRewrite, boolean addComments) throws CoreException {
  AST ast = astRewrite.getAST();
  MethodDeclaration methodDecl = ast.newMethodDeclaration();

  // Method is named after the resource it accesses
  methodDecl.setName(ast.newSimpleName(getMethodName()));

  // Method return type is a ResourcePrototype subtype
  ITypeBinding resourceTypeBinding = JavaASTUtils.resolveType(clientBundle.getJavaProject(), getReturnTypeName());
  Type resourceType = importRewrite.addImport(resourceTypeBinding, ast);
  methodDecl.setReturnType2(resourceType);

  // Add @Source annotation if necessary
  String sourceAnnotationValue = getSourceAnnotationValue(clientBundle);
  if (sourceAnnotationValue != null) {
    // Build the annotation
    SingleMemberAnnotation sourceAnnotation = ast.newSingleMemberAnnotation();
    sourceAnnotation.setTypeName(ast.newName("Source"));
    StringLiteral annotationValue = ast.newStringLiteral();
    annotationValue.setLiteralValue(sourceAnnotationValue);
    sourceAnnotation.setValue(annotationValue);

    // Add the annotation to the method
    ChildListPropertyDescriptor modifiers = methodDecl.getModifiersProperty();
    ListRewrite modifiersRewriter = astRewrite.getListRewrite(methodDecl, modifiers);
    modifiersRewriter.insertFirst(sourceAnnotation, null);
  }

  return methodDecl;
}
Example 7
Source File: SuppressWarningsSubProcessor.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 5 votes vote down vote up 
/**
 * Adds a proposal to correct the name of the SuppressWarning annotation
 * @param context the context
 * @param problem the problem
 * @param proposals the resulting proposals
 */
public static void addUnknownSuppressWarningProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {

	ASTNode coveringNode= context.getCoveringNode();
	if (!(coveringNode instanceof StringLiteral))
		return;

	AST ast= coveringNode.getAST();
	StringLiteral literal= (StringLiteral) coveringNode;

	String literalValue= literal.getLiteralValue();
	String[] allWarningTokens= CorrectionEngine.getAllWarningTokens();
	for (int i= 0; i < allWarningTokens.length; i++) {
		String curr= allWarningTokens[i];
		if (NameMatcher.isSimilarName(literalValue, curr)) {
			StringLiteral newLiteral= ast.newStringLiteral();
			newLiteral.setLiteralValue(curr);
			ASTRewrite rewrite= ASTRewrite.create(ast);
			rewrite.replace(literal, newLiteral, null);
			String label= Messages.format(CorrectionMessages.SuppressWarningsSubProcessor_fix_suppress_token_label, new String[] { curr });
			Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
			ASTRewriteCorrectionProposal proposal= new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.FIX_SUPPRESS_TOKEN, image);
			proposals.add(proposal);
		}
	}
	addRemoveUnusedSuppressWarningProposals(context, problem, proposals);
}
Example 8
Source File: JsonPOJOBuilderAdderFragment.java    From SparkBuilderGenerator with MIT License 4 votes vote down vote up 
private Expression createStringLitereal(AST ast, String literalValue) {
    StringLiteral stringLiteral = ast.newStringLiteral();
    stringLiteral.setLiteralValue(literalValue);
    return stringLiteral;
}
Example 9
Source File: AdvancedQuickAssistProcessor.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 4 votes vote down vote up 
private static boolean getPickOutStringProposals(IInvocationContext context, ASTNode node, Collection<ICommandAccess> resultingCollections) {
	// we work with String's
	if (!(node instanceof StringLiteral)) {
		return false;
	}
	// user should select part of String
	int selectionPos= context.getSelectionOffset();
	int selectionLen= context.getSelectionLength();
	if (selectionLen == 0) {
		return false;
	}
	int valueStart= node.getStartPosition() + 1;
	int valueEnd= node.getStartPosition() + node.getLength() - 1;

	// selection must be inside node and the quotes and not contain the full value
	if (selectionPos < valueStart || selectionPos + selectionLen > valueEnd || valueEnd - valueStart == selectionLen) {
		return false;
	}

	// prepare string parts positions
	StringLiteral stringLiteral= (StringLiteral) node;
	String stringValue= stringLiteral.getEscapedValue();

	int firstPos= selectionPos - node.getStartPosition();
	int secondPos= firstPos + selectionLen;


	// prepare new string literals

	AST ast= node.getAST();
	StringLiteral leftLiteral= ast.newStringLiteral();
	StringLiteral centerLiteral= ast.newStringLiteral();
	StringLiteral rightLiteral= ast.newStringLiteral();
	try {
		leftLiteral.setEscapedValue('"' + stringValue.substring(1, firstPos) + '"');
		centerLiteral.setEscapedValue('"' + stringValue.substring(firstPos, secondPos) + '"');
		rightLiteral.setEscapedValue('"' + stringValue.substring(secondPos, stringValue.length() - 1) + '"');
	} catch (IllegalArgumentException e) {
		return false;
	}
	if (resultingCollections == null) {
		return true;
	}

	ASTRewrite rewrite= ASTRewrite.create(ast);

	// prepare new expression instead of StringLiteral
	InfixExpression expression= ast.newInfixExpression();
	expression.setOperator(InfixExpression.Operator.PLUS);
	if (firstPos != 1) {
		expression.setLeftOperand(leftLiteral);
	}


	if (firstPos == 1) {
		expression.setLeftOperand(centerLiteral);
	} else {
		expression.setRightOperand(centerLiteral);
	}

	if (secondPos < stringValue.length() - 1) {
		if (firstPos == 1) {
			expression.setRightOperand(rightLiteral);
		} else {
			expression.extendedOperands().add(rightLiteral);
		}
	}
	// use new expression instead of old StirngLiteral
	rewrite.replace(stringLiteral, expression, null);
	// add correction proposal
	String label= CorrectionMessages.AdvancedQuickAssistProcessor_pickSelectedString;
	Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
	LinkedCorrectionProposal proposal= new LinkedCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.PICK_SELECTED_STRING, image);
	proposal.addLinkedPosition(rewrite.track(centerLiteral), true, "CENTER_STRING"); //$NON-NLS-1$
	resultingCollections.add(proposal);
	return true;
}