org.objectweb.asm.tree
Class ClassNode

java.lang.Object
  extended by org.objectweb.asm.ClassVisitor
      extended by org.objectweb.asm.tree.ClassNode

public class ClassNode
extends ClassVisitor

A node that represents a class.

Author:
Eric Bruneton

Field Summary
 int access
          The class's access flags (see Opcodes).
 List<Attribute> attrs
          The non standard attributes of this class.
 List<FieldNode> fields
          The fields of this class.
 List<InnerClassNode> innerClasses
          Informations about the inner classes of this class.
 List<String> interfaces
          The internal names of the class's interfaces (see getInternalName).
 List<AnnotationNode> invisibleAnnotations
          The runtime invisible annotations of this class.
 List<MethodNode> methods
          The methods of this class.
 String name
          The internal name of the class (see getInternalName).
 String outerClass
          The internal name of the enclosing class of the class.
 String outerMethod
          The name of the method that contains the class, or null if the class is not enclosed in a method.
 String outerMethodDesc
          The descriptor of the method that contains the class, or null if the class is not enclosed in a method.
 String signature
          The signature of the class.
 String sourceDebug
          Debug information to compute the correspondence between source and compiled elements of the class.
 String sourceFile
          The name of the source file from which this class was compiled.
 String superName
          The internal of name of the super class (see getInternalName).
 int version
          The class version.
 List<AnnotationNode> visibleAnnotations
          The runtime visible annotations of this class.
 
Fields inherited from class org.objectweb.asm.ClassVisitor
api, cv
 
Constructor Summary
ClassNode()
          Constructs a new ClassNode.
ClassNode(int api)
          Constructs a new ClassNode.
 
Method Summary
 void accept(ClassVisitor cv)
          Makes the given class visitor visit this class.
 void check(int api)
          Checks that this class node is compatible with the given ASM API version.
 void visit(int version, int access, String name, String signature, String superName, String[] interfaces)
          Visits the header of the class.
 AnnotationVisitor visitAnnotation(String desc, boolean visible)
          Visits an annotation of the class.
 void visitAttribute(Attribute attr)
          Visits a non standard attribute of the class.
 void visitEnd()
          Visits the end of the class.
 FieldVisitor visitField(int access, String name, String desc, String signature, Object value)
          Visits a field of the class.
 void visitInnerClass(String name, String outerName, String innerName, int access)
          Visits information about an inner class.
 MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions)
          Visits a method of the class.
 void visitOuterClass(String owner, String name, String desc)
          Visits the enclosing class of the class.
 void visitSource(String file, String debug)
          Visits the source of the class.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

version

public int version
The class version.


access

public int access
The class's access flags (see Opcodes). This field also indicates if the class is deprecated.


name

public String name
The internal name of the class (see getInternalName).


signature

public String signature
The signature of the class. May be null.


superName

public String superName
The internal of name of the super class (see getInternalName). For interfaces, the super class is Object. May be null, but only for the Object class.


interfaces

public List<String> interfaces
The internal names of the class's interfaces (see getInternalName). This list is a list of String objects.


sourceFile

public String sourceFile
The name of the source file from which this class was compiled. May be null.


sourceDebug

public String sourceDebug
Debug information to compute the correspondence between source and compiled elements of the class. May be null.


outerClass

public String outerClass
The internal name of the enclosing class of the class. May be null.


outerMethod

public String outerMethod
The name of the method that contains the class, or null if the class is not enclosed in a method.


outerMethodDesc

public String outerMethodDesc
The descriptor of the method that contains the class, or null if the class is not enclosed in a method.


visibleAnnotations

public List<AnnotationNode> visibleAnnotations
The runtime visible annotations of this class. This list is a list of AnnotationNode objects. May be null.


invisibleAnnotations

public List<AnnotationNode> invisibleAnnotations
The runtime invisible annotations of this class. This list is a list of AnnotationNode objects. May be null.


attrs

public List<Attribute> attrs
The non standard attributes of this class. This list is a list of Attribute objects. May be null.


innerClasses

public List<InnerClassNode> innerClasses
Informations about the inner classes of this class. This list is a list of InnerClassNode objects.


fields

public List<FieldNode> fields
The fields of this class. This list is a list of FieldNode objects.


methods

public List<MethodNode> methods
The methods of this class. This list is a list of MethodNode objects.

Constructor Detail

ClassNode

public ClassNode()
Constructs a new ClassNode. Subclasses must not use this constructor. Instead, they must use the ClassNode(int) version.


ClassNode

public ClassNode(int api)
Constructs a new ClassNode.

Parameters:
api - the ASM API version implemented by this visitor. Must be one of Opcodes.ASM4.
Method Detail

visit

public void visit(int version,
                  int access,
                  String name,
                  String signature,
                  String superName,
                  String[] interfaces)
Description copied from class: ClassVisitor
Visits the header of the class.

Overrides:
visit in class ClassVisitor
Parameters:
version - the class version.
access - the class's access flags (see Opcodes). This parameter also indicates if the class is deprecated.
name - the internal name of the class (see getInternalName).
signature - the signature of this class. May be null if the class is not a generic one, and does not extend or implement generic classes or interfaces.
superName - the internal of name of the super class (see getInternalName). For interfaces, the super class is Object. May be null, but only for the Object class.
interfaces - the internal names of the class's interfaces (see getInternalName). May be null.

visitSource

public void visitSource(String file,
                        String debug)
Description copied from class: ClassVisitor
Visits the source of the class.

Overrides:
visitSource in class ClassVisitor
Parameters:
file - the name of the source file from which the class was compiled. May be null.
debug - additional debug information to compute the correspondance between source and compiled elements of the class. May be null.

visitOuterClass

public void visitOuterClass(String owner,
                            String name,
                            String desc)
Description copied from class: ClassVisitor
Visits the enclosing class of the class. This method must be called only if the class has an enclosing class.

Overrides:
visitOuterClass in class ClassVisitor
Parameters:
owner - internal name of the enclosing class of the class.
name - the name of the method that contains the class, or null if the class is not enclosed in a method of its enclosing class.
desc - the descriptor of the method that contains the class, or null if the class is not enclosed in a method of its enclosing class.

visitAnnotation

public AnnotationVisitor visitAnnotation(String desc,
                                         boolean visible)
Description copied from class: ClassVisitor
Visits an annotation of the class.

Overrides:
visitAnnotation in class ClassVisitor
Parameters:
desc - the class descriptor of the annotation class.
visible - true if the annotation is visible at runtime.
Returns:
a visitor to visit the annotation values, or null if this visitor is not interested in visiting this annotation.

visitAttribute

public void visitAttribute(Attribute attr)
Description copied from class: ClassVisitor
Visits a non standard attribute of the class.

Overrides:
visitAttribute in class ClassVisitor
Parameters:
attr - an attribute.

visitInnerClass

public void visitInnerClass(String name,
                            String outerName,
                            String innerName,
                            int access)
Description copied from class: ClassVisitor
Visits information about an inner class. This inner class is not necessarily a member of the class being visited.

Overrides:
visitInnerClass in class ClassVisitor
Parameters:
name - the internal name of an inner class (see getInternalName).
outerName - the internal name of the class to which the inner class belongs (see getInternalName). May be null for not member classes.
innerName - the (simple) name of the inner class inside its enclosing class. May be null for anonymous inner classes.
access - the access flags of the inner class as originally declared in the enclosing class.

visitField

public FieldVisitor visitField(int access,
                               String name,
                               String desc,
                               String signature,
                               Object value)
Description copied from class: ClassVisitor
Visits a field of the class.

Overrides:
visitField in class ClassVisitor
Parameters:
access - the field's access flags (see Opcodes). This parameter also indicates if the field is synthetic and/or deprecated.
name - the field's name.
desc - the field's descriptor (see Type).
signature - the field's signature. May be null if the field's type does not use generic types.
value - the field's initial value. This parameter, which may be null if the field does not have an initial value, must be an Integer, a Float, a Long, a Double or a String (for int, float, long or String fields respectively). This parameter is only used for static fields. Its value is ignored for non static fields, which must be initialized through bytecode instructions in constructors or methods.
Returns:
a visitor to visit field annotations and attributes, or null if this class visitor is not interested in visiting these annotations and attributes.

visitMethod

public MethodVisitor visitMethod(int access,
                                 String name,
                                 String desc,
                                 String signature,
                                 String[] exceptions)
Description copied from class: ClassVisitor
Visits a method of the class. This method must return a new MethodVisitor instance (or null) each time it is called, i.e., it should not return a previously returned visitor.

Overrides:
visitMethod in class ClassVisitor
Parameters:
access - the method's access flags (see Opcodes). This parameter also indicates if the method is synthetic and/or deprecated.
name - the method's name.
desc - the method's descriptor (see Type).
signature - the method's signature. May be null if the method parameters, return type and exceptions do not use generic types.
exceptions - the internal names of the method's exception classes (see getInternalName). May be null.
Returns:
an object to visit the byte code of the method, or null if this class visitor is not interested in visiting the code of this method.

visitEnd

public void visitEnd()
Description copied from class: ClassVisitor
Visits the end of the class. This method, which is the last one to be called, is used to inform the visitor that all the fields and methods of the class have been visited.

Overrides:
visitEnd in class ClassVisitor

check

public void check(int api)
Checks that this class node is compatible with the given ASM API version. This methods checks that this node, and all its nodes recursively, do not contain elements that were introduced in more recent versions of the ASM API than the given version.

Parameters:
api - an ASM API version. Must be one of Opcodes.ASM4.

accept

public void accept(ClassVisitor cv)
Makes the given class visitor visit this class.

Parameters:
cv - a class visitor.