FindRefComparison (SpotBugs 4.2.3 API)

java.lang.Object
- edu.umd.cs.findbugs.detect.FindRefComparison

All Implemented Interfaces:

ExtendedTypes, Detector, Priorities
```
public class FindRefComparison
extends java.lang.Object
implements Detector, ExtendedTypes
```
Find suspicious reference comparisons. This includes:
- Strings and other java.lang objects compared by reference equality
- Calls to equals(Object) where the argument is a different type than the receiver object
Author:

David Hovemeyer, Bill Pugh

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`FindRefComparison.DynamicStringType`	Type representing a dynamically created String.
`static class`	`FindRefComparison.EmptyStringType`
`static class`	`FindRefComparison.FinalConstant`
`static class`	`FindRefComparison.ParameterStringType`	Type representing a String passed as a parameter.
`static class`	`FindRefComparison.StaticStringType`	Type representing a static String.

Field Summary
- Fields inherited from interface edu.umd.cs.findbugs.ba.type.ExtendedTypes
  T_AVAIL_TYPE, T_BOTTOM, T_DOUBLE_EXTRA, T_EXCEPTION, T_LONG_EXTRA, T_NULL, T_TOP
- Fields inherited from interface edu.umd.cs.findbugs.Priorities
  EXP_PRIORITY, HIGH_PRIORITY, IGNORE_PRIORITY, LOW_PRIORITY, NORMAL_PRIORITY

Constructor Summary

Constructors
Constructor Description

FindRefComparison(BugReporter bugReporter)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`MethodDescriptor`	`getInvokedMethod(org.apache.bcel.generic.ConstantPoolGen cpg, org.apache.bcel.generic.InvokeInstruction inv)`
`MethodAnnotation`	`getMethodCalledAnnotation(org.apache.bcel.generic.ConstantPoolGen cpg, org.apache.bcel.generic.InvokeInstruction inv)`
`void`	`report()`	This method is called after all classes to be visited.
`void`	`visitClassContext(ClassContext classContext)`	Visit the ClassContext for a class which should be analyzed for instances of bug patterns.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - FindRefComparison
```
public FindRefComparison(BugReporter bugReporter)
```
- Method Detail
  - visitClassContext
```
public void visitClassContext(ClassContext classContext)
```
    Description copied from interface: Detector
    
    Visit the ClassContext for a class which should be analyzed for instances of bug patterns.
    
    Specified by:
    
    visitClassContext in interface Detector
    
    Parameters:
    
    classContext - the ClassContext
  - getMethodCalledAnnotation
```
@CheckForNull
public MethodAnnotation getMethodCalledAnnotation(org.apache.bcel.generic.ConstantPoolGen cpg,
                                                  org.apache.bcel.generic.InvokeInstruction inv)
```
  - getInvokedMethod
```
public MethodDescriptor getInvokedMethod(org.apache.bcel.generic.ConstantPoolGen cpg,
                                         org.apache.bcel.generic.InvokeInstruction inv)
```
  - report
```
public void report()
```
    Description copied from interface: Detector
    
    This method is called after all classes to be visited. It should be used by any detectors which accumulate information over all visited classes to generate results.
    
    Specified by:
    
    report in interface Detector