DependencyVisitor (Apache Ant API)
Date: 2017-02-02

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
    Constructor and Description
    `DependencyVisitor()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `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

      `visitCode, visitCodeException, visitConstantDouble, visitConstantFieldref, visitConstantFloat, visitConstantInteger, visitConstantInterfaceMethodref, visitConstantLong, visitConstantMethodref, visitConstantString, visitConstantUtf8, visitConstantValue, visitDeprecated, visitExceptionTable, visitInnerClass, visitInnerClasses, visitLineNumber, visitLineNumberTable, visitLocalVariable, visitLocalVariableTable, 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.