com.alibaba.p3c.pmd.lang.java.rule.util.NodeUtils Maven / Gradle / Ivy
/*
* Copyright 1999-2017 Alibaba Group.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.p3c.pmd.lang.java.rule.util;
import net.sourceforge.pmd.lang.ast.Node;
import net.sourceforge.pmd.lang.java.ast.ASTFieldDeclaration;
import net.sourceforge.pmd.lang.java.ast.ASTPrimaryExpression;
import net.sourceforge.pmd.lang.java.typeresolution.TypeHelper;
/**
* @author caikang
* @date 2016/11/16
*/
public class NodeUtils {
public static boolean isParentOrSelf(Node descendant, Node ancestor) {
if (descendant == ancestor) {
return true;
}
if (descendant == null || ancestor == null) {
return false;
}
Node parent = descendant.jjtGetParent();
while (parent != ancestor && parent != null) {
parent = parent.jjtGetParent();
}
return parent == ancestor;
}
/**
* TODO optimize
*
* @param expression expression
* @return true if wrapper type
*/
public static boolean isWrapperType(ASTPrimaryExpression expression) {
return TypeHelper.isA(expression, Integer.class)
|| TypeHelper.isA(expression, Long.class)
|| TypeHelper.isA(expression, Boolean.class)
|| TypeHelper.isA(expression, Byte.class)
|| TypeHelper.isA(expression, Double.class)
|| TypeHelper.isA(expression, Short.class)
|| TypeHelper.isA(expression, Float.class)
|| TypeHelper.isA(expression, Character.class);
}
public static boolean isConstant(ASTFieldDeclaration field) {
return field != null && field.isStatic() && field.isFinal();
}
}