Java Code Examples for org.eclipse.jdt.core.dom.ConditionalExpression#setThenExpression()

The following examples show how to use org.eclipse.jdt.core.dom.ConditionalExpression#setThenExpression() . 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: GenerateHashCodeEqualsOperation.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 6 votes vote down vote up 
private Statement createAddQualifiedHashCode(IVariableBinding binding) {

		MethodInvocation invoc= fAst.newMethodInvocation();
		invoc.setExpression(getThisAccessForHashCode(binding.getName()));
		invoc.setName(fAst.newSimpleName(METHODNAME_HASH_CODE));

		InfixExpression expr= fAst.newInfixExpression();
		expr.setOperator(Operator.EQUALS);
		expr.setLeftOperand(getThisAccessForHashCode(binding.getName()));
		expr.setRightOperand(fAst.newNullLiteral());

		ConditionalExpression cexpr= fAst.newConditionalExpression();
		cexpr.setThenExpression(fAst.newNumberLiteral("0")); //$NON-NLS-1$
		cexpr.setElseExpression(invoc);
		cexpr.setExpression(parenthesize(expr));

		return prepareAssignment(parenthesize(cexpr));
	}
Example 2
Source File: StringConcatenationGenerator.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 5 votes vote down vote up 
@Override
protected void addMemberCheckNull(Object member, boolean addSeparator) {
	ConditionalExpression cExpression= fAst.newConditionalExpression();

	// member != null ?
	InfixExpression infExpression= fAst.newInfixExpression();
	infExpression.setLeftOperand(createMemberAccessExpression(member, true, true));
	infExpression.setRightOperand(fAst.newNullLiteral());
	infExpression.setOperator(Operator.NOT_EQUALS);
	cExpression.setExpression(infExpression);

	SumExpressionBuilder builder= new SumExpressionBuilder(null);
	String[] arrayString= getContext().getTemplateParser().getBody();
	for (int i= 0; i < arrayString.length; i++) {
		addElement(processElement(arrayString[i], member), builder);
	}
	if (addSeparator)
		addElement(getContext().getTemplateParser().getSeparator(), builder);
	cExpression.setThenExpression(builder.getExpression());

	StringLiteral literal= fAst.newStringLiteral();
	literal.setLiteralValue(getContext().isSkipNulls() ? "" : "null"); //$NON-NLS-1$ //$NON-NLS-2$
	cExpression.setElseExpression(literal);

	ParenthesizedExpression pExpression= fAst.newParenthesizedExpression();
	pExpression.setExpression(cExpression);
	toStringExpressionBuilder.addExpression(pExpression);
}
Example 3
Source File: AdvancedQuickAssistProcessor.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 5 votes vote down vote up 
private static boolean getInverseConditionalExpressionProposals(IInvocationContext context, ASTNode covering, Collection<ICommandAccess> resultingCollections) {
	// try to find conditional expression as parent
	while (covering instanceof Expression) {
		if (covering instanceof ConditionalExpression)
			break;
		covering= covering.getParent();
	}
	if (!(covering instanceof ConditionalExpression)) {
		return false;
	}
	ConditionalExpression expression= (ConditionalExpression) covering;
	//  we could produce quick assist
	if (resultingCollections == null) {
		return true;
	}
	//
	AST ast= covering.getAST();
	ASTRewrite rewrite= ASTRewrite.create(ast);
	// prepare new conditional expression
	ConditionalExpression newExpression= ast.newConditionalExpression();
	newExpression.setExpression(getInversedExpression(rewrite, expression.getExpression()));
	newExpression.setThenExpression((Expression) rewrite.createCopyTarget(expression.getElseExpression()));
	newExpression.setElseExpression((Expression) rewrite.createCopyTarget(expression.getThenExpression()));
	// replace old expression with new
	rewrite.replace(expression, newExpression, null);
	// add correction proposal
	String label= CorrectionMessages.AdvancedQuickAssistProcessor_inverseConditionalExpression_description;
	Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
	ASTRewriteCorrectionProposal proposal= new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.INVERSE_CONDITIONAL_EXPRESSION, image);
	resultingCollections.add(proposal);
	return true;
}