Package org.apache.tools.ant.util.depend.bcel

## Class DependencyVisitor

- java.lang.Object
- - org.apache.bcel.classfile.EmptyVisitor
  - - org.apache.tools.ant.util.depend.bcel.DependencyVisitor

All Implemented Interfaces:
  `org.apache.bcel.classfile.Visitor`

    public class DependencyVisitor
    extends org.apache.bcel.classfile.EmptyVisitor

A BCEL visitor implementation to collect class dependency information

### Constructor Summary

Constructors
`DependencyVisitor()`

### Method Summary

All Methods Instance Methods Concrete Methods
`void` `clearDependencies()` Clear the current set of collected dependencies.
`java.util.Enumeration<java.lang.String>` `getDependencies()` Get the dependencies collected by this visitor
`void` `visitConstantClass​(org.apache.bcel.classfile.ConstantClass constantClass)` Visit a class reference
`void` `visitConstantNameAndType​(org.apache.bcel.classfile.ConstantNameAndType obj)` Visit a name and type ref Look for class references in this
`void` `visitConstantPool​(org.apache.bcel.classfile.ConstantPool constantPool)` Visit the constant pool of a class
`void` `visitField​(org.apache.bcel.classfile.Field field)` Visit a field of the class.
`void` `visitJavaClass​(org.apache.bcel.classfile.JavaClass javaClass)` Visit a Java class
`void` `visitMethod​(org.apache.bcel.classfile.Method method)` Visit a method of the current class

### Methods inherited from class org.apache.bcel.classfile.EmptyVisitor

`visitAnnotation, visitAnnotationDefault, visitAnnotationEntry, visitBootstrapMethods, visitCode, visitCodeException, visitConstantDouble, visitConstantDynamic, visitConstantFieldref, visitConstantFloat, visitConstantInteger, visitConstantInterfaceMethodref, visitConstantInvokeDynamic, visitConstantLong, visitConstantMethodHandle, visitConstantMethodref, visitConstantMethodType, visitConstantModule, visitConstantPackage, visitConstantString, visitConstantUtf8, visitConstantValue, visitDeprecated, visitEnclosingMethod, visitExceptionTable, visitInnerClass, visitInnerClasses, visitLineNumber, visitLineNumberTable, visitLocalVariable, visitLocalVariableTable, visitLocalVariableTypeTable, visitMethodParameter, visitMethodParameters, visitModule, visitModuleExports, visitModuleMainClass, visitModuleOpens, visitModulePackages, visitModuleProvides, visitModuleRequires, visitNestHost, visitNestMembers, visitParameterAnnotation, visitParameterAnnotationEntry, visitSignature, visitSourceFile, visitStackMap, visitStackMapEntry, visitSynthetic, visitUnknown`

### Methods inherited from class java.lang.Object

`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

### Constructor Detail

#### DependencyVisitor

    public DependencyVisitor()

### Method Detail

#### getDependencies

    public java.util.Enumeration<java.lang.String> getDependencies()

Get the dependencies collected by this visitor

Returns:
  a Enumeration of classnames, being the classes upon which the visited classes depend.

#### clearDependencies

    public void clearDependencies()

Clear the current set of collected dependencies.

#### visitConstantPool

    public void visitConstantPool​(org.apache.bcel.classfile.ConstantPool constantPool)

Visit the constant pool of a class

Specified by:
  `visitConstantPool` in interface `org.apache.bcel.classfile.Visitor`
Overrides:
  `visitConstantPool` in class `org.apache.bcel.classfile.EmptyVisitor`
Parameters:
  `constantPool` - the constant pool of the class being visited.

#### visitConstantClass

    public void visitConstantClass​(org.apache.bcel.classfile.ConstantClass constantClass)

Visit a class reference

Specified by:
  `visitConstantClass` in interface `org.apache.bcel.classfile.Visitor`
Overrides:
  `visitConstantClass` in class `org.apache.bcel.classfile.EmptyVisitor`
Parameters:
  `constantClass` - the constantClass entry for the class reference

#### visitConstantNameAndType

    public void visitConstantNameAndType​(org.apache.bcel.classfile.ConstantNameAndType obj)

Visit a name and type ref Look for class references in this

Specified by:
  `visitConstantNameAndType` in interface `org.apache.bcel.classfile.Visitor`
Overrides:
  `visitConstantNameAndType` in class `org.apache.bcel.classfile.EmptyVisitor`
Parameters:
  `obj` - the name and type reference being visited.

#### visitField

    public void visitField​(org.apache.bcel.classfile.Field field)

Visit a field of the class.

Specified by:
  `visitField` in interface `org.apache.bcel.classfile.Visitor`
Overrides:
  `visitField` in class `org.apache.bcel.classfile.EmptyVisitor`
Parameters:
  `field` - the field being visited

#### visitJavaClass

    public void visitJavaClass​(org.apache.bcel.classfile.JavaClass javaClass)

Visit a Java class

Specified by:
  `visitJavaClass` in interface `org.apache.bcel.classfile.Visitor`
Overrides:
  `visitJavaClass` in class `org.apache.bcel.classfile.EmptyVisitor`
Parameters:
  `javaClass` - the class being visited.

#### visitMethod

    public void visitMethod​(org.apache.bcel.classfile.Method method)

Visit a method of the current class

Specified by:
  `visitMethod` in interface `org.apache.bcel.classfile.Visitor`
Overrides:
  `visitMethod` in class `org.apache.bcel.classfile.EmptyVisitor`
Parameters:
  `method` - the method being visited.