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java.lang.Objectnet.sourceforge.pmd.CommonAbstractRule
net.sourceforge.pmd.AbstractJavaRule
net.sourceforge.pmd.AbstractRule
net.sourceforge.pmd.rules.strings.UseStringBufferLength
public class UseStringBufferLength
This rule finds places where StringBuffer.toString() is called just to see if the string is 0 length by either using .equals("") or toString().length()
StringBuffer sb = new StringBuffer("some string");
if (sb.toString().equals("")) {
// this is wrong
}
if (sb.length() == 0) {
// this is right
}
| Field Summary |
|---|
| Fields inherited from interface net.sourceforge.pmd.Rule |
|---|
LOWEST_PRIORITY, PRIORITIES |
| Constructor Summary | |
|---|---|
UseStringBufferLength()
|
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| Method Summary | |
|---|---|
java.lang.Object |
visit(ASTCompilationUnit acu,
java.lang.Object data)
|
java.lang.Object |
visit(ASTName decl,
java.lang.Object data)
|
| Methods inherited from class net.sourceforge.pmd.AbstractJavaRule |
|---|
addViolation, addViolation, addViolation, addViolationWithMessage, apply, getDeclaringType, importsPackage, isQualifiedName, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitAll |
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public UseStringBufferLength()
| Method Detail |
|---|
public java.lang.Object visit(ASTCompilationUnit acu,
java.lang.Object data)
visit in interface JavaParserVisitorvisit in class AbstractJavaRule
public java.lang.Object visit(ASTName decl,
java.lang.Object data)
visit in interface JavaParserVisitorvisit in class AbstractJavaRule
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