java.lang.Object
- org.apache.bcel.classfile.AccessFlags
- - org.apache.bcel.generic.ClassGen

All Implemented Interfaces:

Cloneable
```
public class ClassGen
extends AccessFlags
implements Cloneable
```
Template class for building up a java class. May be initialized with an existing java class (file).

See Also:

JavaClass

Field Summary
- Fields inherited from class org.apache.bcel.classfile.AccessFlags
  access_flags

Constructor Summary

Constructors
Constructor	Description
`ClassGen(String className, String superClassName, String fileName, int accessFlags, String[] interfaces)`	Convenience constructor to set up some important values initially.
`ClassGen(String className, String superClassName, String fileName, int accessFlags, String[] interfaces, ConstantPoolGen cp)`	Convenience constructor to set up some important values initially.
`ClassGen(JavaClass clazz)`	Initialize with existing class.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addAnnotationEntry(AnnotationEntryGen a)`
`void`	`addAttribute(Attribute a)`	Add an attribute to this class.
`void`	`addEmptyConstructor(int access_flags)`	Convenience method.
`void`	`addField(Field f)`	Add a field to this class.
`void`	`addInterface(String name)`	Add an interface to this class, i.e., this class has to implement it.
`void`	`addMethod(Method m)`	Add a method to this class.
`void`	`addObserver(ClassObserver o)`	Add observer for this object.
`Object`	`clone()`
`Field`	`containsField(String name)`
`boolean`	`containsField(Field f)`
`Method`	`containsMethod(String name, String signature)`
`boolean`	`equals(Object obj)`	Return value as defined by given BCELComparator strategy.
`AnnotationEntryGen[]`	`getAnnotationEntries()`
`Attribute[]`	`getAttributes()`
`String`	`getClassName()`
`int`	`getClassNameIndex()`
`static BCELComparator`	`getComparator()`
`ConstantPoolGen`	`getConstantPool()`
`Field[]`	`getFields()`
`String`	`getFileName()`
`String[]`	`getInterfaceNames()`
`int[]`	`getInterfaces()`
`JavaClass`	`getJavaClass()`
`int`	`getMajor()`
`Method`	`getMethodAt(int pos)`
`Method[]`	`getMethods()`
`int`	`getMinor()`
`String`	`getSuperclassName()`
`int`	`getSuperclassNameIndex()`
`int`	`hashCode()`	Return value as defined by given BCELComparator strategy.
`void`	`removeAttribute(Attribute a)`	Remove an attribute from this class.
`void`	`removeField(Field f)`	Remove a field to this class.
`void`	`removeInterface(String name)`	Remove an interface from this class.
`void`	`removeMethod(Method m)`	Remove a method from this class.
`void`	`removeObserver(ClassObserver o)`	Remove observer for this object.
`void`	`replaceField(Field old, Field new_)`	Replace given field with new one.
`void`	`replaceMethod(Method old, Method new_)`	Replace given method with new one.
`void`	`setClassName(String name)`
`void`	`setClassNameIndex(int class_name_index)`
`static void`	`setComparator(BCELComparator comparator)`
`void`	`setConstantPool(ConstantPoolGen constant_pool)`
`void`	`setMajor(int major)`	Set major version number of class file, default value is 45 (JDK 1.1)
`void`	`setMethodAt(Method method, int pos)`
`void`	`setMethods(Method[] methods)`
`void`	`setMinor(int minor)`	Set minor version number of class file, default value is 3 (JDK 1.1)
`void`	`setSuperclassName(String name)`
`void`	`setSuperclassNameIndex(int superclass_name_index)`
`void`	`update()`	Call notify() method on all observers.

Methods inherited from class org.apache.bcel.classfile.AccessFlags
getAccessFlags, getModifiers, isAbstract, isAbstract, isAnnotation, isAnnotation, isEnum, isEnum, isFinal, isFinal, isInterface, isInterface, isNative, isNative, isPrivate, isPrivate, isProtected, isProtected, isPublic, isPublic, isStatic, isStatic, isStrictfp, isStrictfp, isSynchronized, isSynchronized, isSynthetic, isSynthetic, isTransient, isTransient, isVarArgs, isVarArgs, isVolatile, isVolatile, setAccessFlags, setModifiers

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

- Constructor Detail
  - ClassGen
```
public ClassGen(String className,
                String superClassName,
                String fileName,
                int accessFlags,
                String[] interfaces,
                ConstantPoolGen cp)
```
    Convenience constructor to set up some important values initially.
    
    Parameters:
    
    className - fully qualified class name
    
    superClassName - fully qualified superclass name
    
    fileName - source file name
    
    accessFlags - access qualifiers
    
    interfaces - implemented interfaces
    
    cp - constant pool to use
  - ClassGen
```
public ClassGen(String className,
                String superClassName,
                String fileName,
                int accessFlags,
                String[] interfaces)
```
    Convenience constructor to set up some important values initially.
    
    Parameters:
    
    className - fully qualified class name
    
    superClassName - fully qualified superclass name
    
    fileName - source file name
    
    accessFlags - access qualifiers
    
    interfaces - implemented interfaces
  - ClassGen
```
public ClassGen(JavaClass clazz)
```
    Initialize with existing class.
    
    Parameters:
    
    clazz - JavaClass object (e.g. read from file)
- Method Detail
  - getJavaClass
```
public JavaClass getJavaClass()
```
    Returns:
    
    the (finally) built up Java class object.
  - addInterface
```
public void addInterface(String name)
```
    Add an interface to this class, i.e., this class has to implement it.
    
    Parameters:
    
    name - interface to implement (fully qualified class name)
  - removeInterface
```
public void removeInterface(String name)
```
    Remove an interface from this class.
    
    Parameters:
    
    name - interface to remove (fully qualified name)
  - getMajor
```
public int getMajor()
```
    Returns:
    
    major version number of class file
  - setMajor
```
public void setMajor(int major)
```
    Set major version number of class file, default value is 45 (JDK 1.1)
    
    Parameters:
    
    major - major version number
  - setMinor
```
public void setMinor(int minor)
```
    Set minor version number of class file, default value is 3 (JDK 1.1)
    
    Parameters:
    
    minor - minor version number
  - getMinor
```
public int getMinor()
```
    Returns:
    
    minor version number of class file
  - addAttribute
```
public void addAttribute(Attribute a)
```
    Add an attribute to this class.
    
    Parameters:
    
    a - attribute to add
  - addAnnotationEntry
```
public void addAnnotationEntry(AnnotationEntryGen a)
```
  - addMethod
```
public void addMethod(Method m)
```
    Add a method to this class.
    
    Parameters:
    
    m - method to add
  - addEmptyConstructor
```
public void addEmptyConstructor(int access_flags)
```
    Convenience method. Add an empty constructor to this class that does nothing but calling super().
    
    Parameters:
    
    access_flags - rights for constructor
  - addField
```
public void addField(Field f)
```
    Add a field to this class.
    
    Parameters:
    
    f - field to add
  - containsField
```
public boolean containsField(Field f)
```
  - containsField
```
public Field containsField(String name)
```
    Returns:
    
    field object with given name, or null
  - containsMethod
```
public Method containsMethod(String name,
                             String signature)
```
    Returns:
    
    method object with given name and signature, or null
  - removeAttribute
```
public void removeAttribute(Attribute a)
```
    Remove an attribute from this class.
    
    Parameters:
    
    a - attribute to remove
  - removeMethod
```
public void removeMethod(Method m)
```
    Remove a method from this class.
    
    Parameters:
    
    m - method to remove
  - replaceMethod
```
public void replaceMethod(Method old,
                          Method new_)
```
    Replace given method with new one. If the old one does not exist add the new_ method to the class anyway.
  - replaceField
```
public void replaceField(Field old,
                         Field new_)
```
    Replace given field with new one. If the old one does not exist add the new_ field to the class anyway.
  - removeField
```
public void removeField(Field f)
```
    Remove a field to this class.
    
    Parameters:
    
    f - field to remove
  - getClassName
```
public String getClassName()
```
  - getSuperclassName
```
public String getSuperclassName()
```
  - getFileName
```
public String getFileName()
```
  - setClassName
```
public void setClassName(String name)
```
  - setSuperclassName
```
public void setSuperclassName(String name)
```
  - getMethods
```
public Method[] getMethods()
```
  - setMethods
```
public void setMethods(Method[] methods)
```
  - setMethodAt
```
public void setMethodAt(Method method,
                        int pos)
```
  - getMethodAt
```
public Method getMethodAt(int pos)
```
  - getInterfaceNames
```
public String[] getInterfaceNames()
```
  - getInterfaces
```
public int[] getInterfaces()
```
  - getFields
```
public Field[] getFields()
```
  - getAttributes
```
public Attribute[] getAttributes()
```
  - getAnnotationEntries
```
public AnnotationEntryGen[] getAnnotationEntries()
```
  - getConstantPool
```
public ConstantPoolGen getConstantPool()
```
  - setConstantPool
```
public void setConstantPool(ConstantPoolGen constant_pool)
```
  - setClassNameIndex
```
public void setClassNameIndex(int class_name_index)
```
  - setSuperclassNameIndex
```
public void setSuperclassNameIndex(int superclass_name_index)
```
  - getSuperclassNameIndex
```
public int getSuperclassNameIndex()
```
  - getClassNameIndex
```
public int getClassNameIndex()
```
  - addObserver
```
public void addObserver(ClassObserver o)
```
    Add observer for this object.
  - removeObserver
```
public void removeObserver(ClassObserver o)
```
    Remove observer for this object.
  - update
```
public void update()
```
    Call notify() method on all observers. This method is not called automatically whenever the state has changed, but has to be called by the user after he has finished editing the object.
  - clone
```
public Object clone()
```
    Overrides:
    
    clone in class Object
  - getComparator
```
public static BCELComparator getComparator()
```
    Returns:
    
    Comparison strategy object
  - setComparator
```
public static void setComparator(BCELComparator comparator)
```
    Parameters:
    
    comparator - Comparison strategy object
  - equals
```
public boolean equals(Object obj)
```
    Return value as defined by given BCELComparator strategy. By default two ClassGen objects are said to be equal when their class names are equal.
    
    Overrides:
    
    equals in class Object
    
    See Also:
    
    Object.equals(java.lang.Object)
  - hashCode
```
public int hashCode()
```
    Return value as defined by given BCELComparator strategy. By default return the hashcode of the class name.
    
    Overrides:
    
    hashCode in class Object
    
    See Also:
    
    Object.hashCode()

Class ClassGen

Field Summary

Fields inherited from class org.apache.bcel.classfile.AccessFlags

Constructor Summary

Method Summary

Methods inherited from class org.apache.bcel.classfile.AccessFlags

Methods inherited from class java.lang.Object

Constructor Detail

ClassGen

ClassGen

ClassGen

Method Detail

getJavaClass

addInterface

removeInterface

getMajor

setMajor

setMinor

getMinor

addAttribute

addAnnotationEntry

addMethod

addEmptyConstructor

addField

containsField

containsField

containsMethod

removeAttribute

removeMethod

replaceMethod

replaceField

removeField

getClassName

getSuperclassName

getFileName

setClassName

setSuperclassName

getMethods

setMethods

setMethodAt

getMethodAt

getInterfaceNames

getInterfaces

getFields

getAttributes

getAnnotationEntries

getConstantPool

setConstantPool

setClassNameIndex

setSuperclassNameIndex

getSuperclassNameIndex

getClassNameIndex

addObserver

removeObserver

update

clone

getComparator

setComparator

equals

hashCode