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fix issue #1736

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This commit is contained in:
Young Chan
2020-05-31 10:36:40 +08:00
committed by Andreas Dangel
parent 11a0ec51fd
commit f5ccc94130
1 changed files with 8 additions and 0 deletions
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8
pmd-java/src/main/java/net/sourceforge/pmd/lang/java/rule/performance/UseStringBufferForStringAppendsRule.java
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@ -31,6 +31,12 @@ public class UseStringBufferForStringAppendsRule extends AbstractJavaRule {
addRuleChainVisit(ASTVariableDeclaratorId.class);
}
/**
* This method is used to check whether user appends string directly instead of using StringBuffer or StringBuilder
* @param node This is the expression of part of java code to be checked.
* @param data This is the data to return.
* @return Object This returns the data passed in. If violation happens, violation is added to data.
*/
@Override
public Object visit(ASTVariableDeclaratorId node, Object data) {
if (!TypeHelper.isA(node, String.class) || node.isArray()
@ -76,8 +82,10 @@ public class UseStringBufferForStringAppendsRule extends AbstractJavaRule {
}
}
if (statement.getNumChildren() > 0 && statement.getChild(0) instanceof ASTPrimaryExpression) {
// System.out.println(name.toString());
ASTName astName = statement.getChild(0).getFirstDescendantOfType(ASTName.class);
if (astName != null) {
// System.out.println(astName.getNameDeclaration().getName());
if (astName.equals(name)) {
ASTAssignmentOperator assignmentOperator = statement
.getFirstDescendantOfType(ASTAssignmentOperator.class);