Examples with ASTPrimitiveType net.sourceforge.pmd.lang.java.ast.ASTPrimitiveType used on opensource projects

Example 1 with ASTPrimitiveType

use of net.sourceforge.pmd.lang.java.ast.ASTPrimitiveType in project pmd by pmd.

the class BeanMembersShouldSerializeRule method isBeanAccessor.

private boolean isBeanAccessor(ASTMethodDeclarator meth) {
    String methodName = meth.getImage();
    if (methodName.startsWith("get") || methodName.startsWith("set")) {
        return true;
    }
    if (methodName.startsWith("is")) {
        ASTResultType ret = ((ASTMethodDeclaration) meth.jjtGetParent()).getResultType();
        List<ASTPrimitiveType> primitives = ret.findDescendantsOfType(ASTPrimitiveType.class);
        if (!primitives.isEmpty() && primitives.get(0).isBoolean()) {
            return true;
        }
    }
    return false;
}

Example 2 with ASTPrimitiveType

use of net.sourceforge.pmd.lang.java.ast.ASTPrimitiveType in project pmd by pmd.

the class SuspiciousHashcodeMethodNameRule method visit.

public Object visit(ASTMethodDeclaration node, Object data) {
    /*
         * original XPath rule was //MethodDeclaration [ResultType
         * //PrimitiveType [@Image='int'] [//MethodDeclarator [@Image='hashcode'
         * or @Image='HashCode' or @Image='Hashcode']
         * [not(FormalParameters/*)]]]
         */
    ASTResultType type = node.getResultType();
    ASTMethodDeclarator decl = node.getFirstChildOfType(ASTMethodDeclarator.class);
    String name = decl.getImage();
    if ("hashcode".equalsIgnoreCase(name) && !"hashCode".equals(name) && decl.jjtGetChild(0).jjtGetNumChildren() == 0 && type.jjtGetNumChildren() != 0) {
        Node t = type.jjtGetChild(0).jjtGetChild(0);
        if (t instanceof ASTPrimitiveType && "int".equals(t.getImage())) {
            addViolation(data, node);
            return data;
        }
    }
    return super.visit(node, data);
}

Example 3 with ASTPrimitiveType

use of net.sourceforge.pmd.lang.java.ast.ASTPrimitiveType in project pmd by pmd.

the class ClassScope method createBuiltInMethodDeclaration.

/**
 * Creates a fake method name declaration for built-in methods from Java
 * like the Enum Method "valueOf".
 *
 * @param methodName
 *            the method name
 * @param parameterTypes
 *            the reference types of each parameter of the method
 * @return a method name declaration
 */
private MethodNameDeclaration createBuiltInMethodDeclaration(final String methodName, final String... parameterTypes) {
    ASTMethodDeclaration methodDeclaration = new ASTMethodDeclaration(JavaParserTreeConstants.JJTMETHODDECLARATION);
    methodDeclaration.setPublic(true);
    methodDeclaration.setScope(this);
    ASTMethodDeclarator methodDeclarator = new ASTMethodDeclarator(JavaParserTreeConstants.JJTMETHODDECLARATOR);
    methodDeclarator.setImage(methodName);
    methodDeclarator.setScope(this);
    ASTFormalParameters formalParameters = new ASTFormalParameters(JavaParserTreeConstants.JJTFORMALPARAMETERS);
    formalParameters.setScope(this);
    methodDeclaration.jjtAddChild(methodDeclarator, 0);
    methodDeclarator.jjtSetParent(methodDeclaration);
    methodDeclarator.jjtAddChild(formalParameters, 0);
    formalParameters.jjtSetParent(methodDeclarator);
    /*
         * jjtAddChild resizes it's child node list according to known indexes.
         * Going backwards makes sure the first time it gets the right size avoiding copies.
         */
    for (int i = parameterTypes.length - 1; i >= 0; i--) {
        ASTFormalParameter formalParameter = new ASTFormalParameter(JavaParserTreeConstants.JJTFORMALPARAMETER);
        formalParameters.jjtAddChild(formalParameter, i);
        formalParameter.jjtSetParent(formalParameters);
        ASTVariableDeclaratorId variableDeclaratorId = new ASTVariableDeclaratorId(JavaParserTreeConstants.JJTVARIABLEDECLARATORID);
        variableDeclaratorId.setImage("arg" + i);
        formalParameter.jjtAddChild(variableDeclaratorId, 1);
        variableDeclaratorId.jjtSetParent(formalParameter);
        ASTType type = new ASTType(JavaParserTreeConstants.JJTTYPE);
        formalParameter.jjtAddChild(type, 0);
        type.jjtSetParent(formalParameter);
        if (PRIMITIVE_TYPES.contains(parameterTypes[i])) {
            ASTPrimitiveType primitiveType = new ASTPrimitiveType(JavaParserTreeConstants.JJTPRIMITIVETYPE);
            primitiveType.setImage(parameterTypes[i]);
            type.jjtAddChild(primitiveType, 0);
            primitiveType.jjtSetParent(type);
        } else {
            ASTReferenceType referenceType = new ASTReferenceType(JavaParserTreeConstants.JJTREFERENCETYPE);
            type.jjtAddChild(referenceType, 0);
            referenceType.jjtSetParent(type);
            // TODO : this could actually be a primitive array...
            ASTClassOrInterfaceType classOrInterfaceType = new ASTClassOrInterfaceType(JavaParserTreeConstants.JJTCLASSORINTERFACETYPE);
            classOrInterfaceType.setImage(parameterTypes[i]);
            referenceType.jjtAddChild(classOrInterfaceType, 0);
            classOrInterfaceType.jjtSetParent(referenceType);
        }
    }
    return new MethodNameDeclaration(methodDeclarator);
}

Example 4 with ASTPrimitiveType

use of net.sourceforge.pmd.lang.java.ast.ASTPrimitiveType in project pmd by pmd.

the class MethodNameDeclaration method equals.

@Override
public boolean equals(Object o) {
    if (!(o instanceof MethodNameDeclaration)) {
        return false;
    }
    MethodNameDeclaration other = (MethodNameDeclaration) o;
    // compare name
    if (!other.node.getImage().equals(node.getImage())) {
        return false;
    }
    // params, too
    if (((ASTMethodDeclarator) other.node).getParameterCount() != ((ASTMethodDeclarator) node).getParameterCount()) {
        return false;
    }
    // compare parameter types
    ASTFormalParameters myParams = (ASTFormalParameters) node.jjtGetChild(0);
    ASTFormalParameters otherParams = (ASTFormalParameters) other.node.jjtGetChild(0);
    for (int i = 0; i < ((ASTMethodDeclarator) node).getParameterCount(); i++) {
        ASTFormalParameter myParam = (ASTFormalParameter) myParams.jjtGetChild(i);
        ASTFormalParameter otherParam = (ASTFormalParameter) otherParams.jjtGetChild(i);
        // Compare vararg
        if (myParam.isVarargs() != otherParam.isVarargs()) {
            return false;
        }
        Node myTypeNode = myParam.getTypeNode().jjtGetChild(0);
        Node otherTypeNode = otherParam.getTypeNode().jjtGetChild(0);
        // compare primitive vs reference type
        if (myTypeNode.getClass() != otherTypeNode.getClass()) {
            return false;
        }
        // simple comparison of type images
        // this can be fooled by one method using "String"
        // and the other method using "java.lang.String"
        // once we get real types in here that should get fixed
        String myTypeImg;
        String otherTypeImg;
        if (myTypeNode instanceof ASTPrimitiveType) {
            myTypeImg = myTypeNode.getImage();
            otherTypeImg = otherTypeNode.getImage();
        } else {
            myTypeImg = myTypeNode.jjtGetChild(0).getImage();
            otherTypeImg = otherTypeNode.jjtGetChild(0).getImage();
        }
        if (!myTypeImg.equals(otherTypeImg)) {
            return false;
        }
    // if type is ASTPrimitiveType and is an array, make sure the other
    // one is also
    }
    return true;
}

Example 5 with ASTPrimitiveType

use of net.sourceforge.pmd.lang.java.ast.ASTPrimitiveType in project pmd by pmd.

the class AbstractInefficientZeroCheck method visit.

@Override
public Object visit(ASTVariableDeclaratorId node, Object data) {
    Node nameNode = node.getTypeNameNode();
    if (nameNode == null || nameNode instanceof ASTPrimitiveType || !appliesToClassName(node.getNameDeclaration().getTypeImage())) {
        return data;
    }
    List<NameOccurrence> declars = node.getUsages();
    for (NameOccurrence occ : declars) {
        JavaNameOccurrence jocc = (JavaNameOccurrence) occ;
        if (!isTargetMethod(jocc)) {
            continue;
        }
        Node expr = jocc.getLocation().jjtGetParent().jjtGetParent().jjtGetParent();
        checkNodeAndReport(data, jocc.getLocation(), expr);
    }
    return data;
}