Examples with ObjectCreationExpr com.github.javaparser.ast.expr.ObjectCreationExpr used on opensource projects

Example 46 with ObjectCreationExpr

use of com.github.javaparser.ast.expr.ObjectCreationExpr in project drools by kiegroup.

the class ConstraintParser method toBigDecimalExpression.

// TODO luca this logic should be moved in Constraint compiler?
private Expression toBigDecimalExpression(TypedExpression typedExpression) {
    MethodCallExpr toBigDecimalMethod = new MethodCallExpr(null, "org.drools.modelcompiler.util.EvaluationUtil.toBigDecimal");
    Expression arg = typedExpression.getExpression();
    Optional<Class<?>> originalPatternType = typedExpression.getOriginalPatternType();
    ConstraintCompiler constraintCompiler = createConstraintCompiler(context, originalPatternType);
    CompiledExpressionResult compiledBlockResult = constraintCompiler.compileExpression(PrintUtil.printNode(arg));
    arg = compiledBlockResult.getExpression();
    if (arg.isEnclosedExpr()) {
        arg = arg.asEnclosedExpr().getInner();
    }
    if (arg instanceof BigIntegerLiteralExpr) {
        arg = new ObjectCreationExpr(null, toClassOrInterfaceType(BigInteger.class), NodeList.nodeList(new StringLiteralExpr(((BigIntegerLiteralExpr) arg).asBigInteger().toString())));
    } else if (arg instanceof BigDecimalLiteralExpr) {
        arg = new ObjectCreationExpr(null, toClassOrInterfaceType(BigDecimal.class), NodeList.nodeList(new StringLiteralExpr(((BigDecimalLiteralExpr) arg).asBigDecimal().toString())));
    }
    toBigDecimalMethod.addArgument(arg);
    return toBigDecimalMethod;
}

Example 47 with ObjectCreationExpr

use of com.github.javaparser.ast.expr.ObjectCreationExpr in project drools by kiegroup.

the class ObjectCreationExpressionT method toJavaExpression.

@Override
public Node toJavaExpression() {
    ObjectCreationExpr objectCreationExpr = new ObjectCreationExpr();
    objectCreationExpr.setType(type);
    List<Expression> arguments = this.constructorArguments.stream().map(typedExpression -> (Expression) typedExpression.toJavaExpression()).collect(Collectors.toList());
    objectCreationExpr.setArguments(NodeList.nodeList(arguments));
    return objectCreationExpr;
}

Example 48 with ObjectCreationExpr

use of com.github.javaparser.ast.expr.ObjectCreationExpr in project drools by kiegroup.

the class ParserUtil method objectCreationExprToValue.

public static Object objectCreationExprToValue(ObjectCreationExpr objectCreationExpr, RuleContext context) {
    // Only a few classes/constructors are handled. Otherwise, value becomes null so a link would be UNKNOWN. To be enhanced : DROOLS-6711
    ClassOrInterfaceType type = objectCreationExpr.getType();
    Class<?> clazz = getClassFromType(context.getTypeResolver(), type);
    if (clazz.equals(BigDecimal.class)) {
        NodeList<Expression> arguments = objectCreationExpr.getArguments();
        Optional<Object> opt = arguments.stream().findFirst().filter(StringLiteralExpr.class::isInstance).map(literalExpr -> literalExpr.asStringLiteralExpr().asString()).map(BigDecimal::new);
        return opt.orElse(null);
    } else if (clazz.equals(BigInteger.class)) {
        NodeList<Expression> arguments = objectCreationExpr.getArguments();
        Optional<Object> opt = arguments.stream().findFirst().filter(StringLiteralExpr.class::isInstance).map(literalExpr -> literalExpr.asStringLiteralExpr().asString()).map(BigInteger::new);
        return opt.orElse(null);
    }
    return null;
}

Example 49 with ObjectCreationExpr

use of com.github.javaparser.ast.expr.ObjectCreationExpr in project drools by kiegroup.

the class FlowDSLQueryGenerator method queryNameClass.

private void queryNameClass(ClassOrInterfaceDeclaration clazz) {
    MethodDeclaration query1 = clazz.addMethod(QUERY, Modifier.Keyword.PUBLIC, Modifier.Keyword.STATIC);
    query1.addParameter(STRINGLITERAL, "name");
    BlockStmt stmts = new BlockStmt();
    NodeList<Type> typeArguments = nodeList();
    NodeList<TypeParameter> typeParameters = nodeList();
    NodeList<Expression> arguments = nodeList();
    ClassOrInterfaceType queryCallViewItemImpl = queryDefImpl();
    ObjectCreationExpr objCreationExpr = new ObjectCreationExpr(null, queryCallViewItemImpl, arguments);
    objCreationExpr.setDiamondOperator();
    stmts.addStatement(new ReturnStmt(objCreationExpr));
    objCreationExpr.addArgument(new NameExpr(VIEWBUILDER));
    objCreationExpr.addArgument("name");
    rangeArity().forEach(i -> {
        String genericTypeName = stringWithIndex("T", i);
        String type = stringWithIndex("type", i);
        typeArguments.add(parseType(genericTypeName));
        arguments.add(new NameExpr(type));
        String classGenericType = genericType(genericTypeName);
        Type genericType = parseType(classGenericType);
        query1.addParameter(genericType, type);
        typeParameters.add(new TypeParameter(genericTypeName));
    });
    query1.setTypeParameters(typeParameters);
    query1.setBody(stmts);
    ClassOrInterfaceType type = queryDef();
    type.setTypeArguments(typeArguments);
    query1.setType(type);
}

Example 50 with ObjectCreationExpr

use of com.github.javaparser.ast.expr.ObjectCreationExpr in project drools by kiegroup.

the class FlowDSLQueryGenerator method queryPkgNameClass.

private void queryPkgNameClass(ClassOrInterfaceDeclaration clazz) {
    MethodDeclaration query1 = clazz.addMethod(QUERY, Modifier.Keyword.PUBLIC, Modifier.Keyword.STATIC);
    query1.addParameter(STRINGLITERAL, "pkg");
    query1.addParameter(STRINGLITERAL, "name");
    BlockStmt stmts = new BlockStmt();
    NodeList<Type> typeArguments = nodeList();
    NodeList<TypeParameter> typeParameters = nodeList();
    NodeList<Expression> arguments = nodeList();
    ClassOrInterfaceType queryCallViewItemImpl = queryDefImpl();
    ObjectCreationExpr objCreationExpr = new ObjectCreationExpr(null, queryCallViewItemImpl, arguments);
    objCreationExpr.setDiamondOperator();
    stmts.addStatement(new ReturnStmt(objCreationExpr));
    objCreationExpr.addArgument(new NameExpr(VIEWBUILDER));
    objCreationExpr.addArgument("pkg");
    objCreationExpr.addArgument("name");
    rangeArity().forEach(i -> {
        String genericTypeName = stringWithIndex("T", i);
        String type = stringWithIndex("type", i);
        typeArguments.add(parseType(genericTypeName));
        arguments.add(new NameExpr(type));
        String classGenericType = genericType(genericTypeName);
        Type genericType = parseType(classGenericType);
        query1.addParameter(genericType, type);
        typeParameters.add(new TypeParameter(genericTypeName));
    });
    query1.setTypeParameters(typeParameters);
    query1.setBody(stmts);
    ClassOrInterfaceType type = queryDef();
    type.setTypeArguments(typeArguments);
    query1.setType(type);
}