java.lang.Object
- com.sun.jdo.api.persistence.enhancer.classfile.ClassFile

All Implemented Interfaces:

VMConstants
```
public final class ClassFile
extends Object
implements VMConstants
```
ClassFile models the structure of a class as represented within a class file.

Field Summary

Fields
Modifier and Type Field Description

static short[][] jdkMajorMinorVersions

static List jdkVersions

static int magic

static String supportedVersions
- Fields inherited from interface com.sun.jdo.api.persistence.enhancer.classfile.VMConstants
  ACCAbstract, ACCFinal, ACCInterface, ACCNative, ACCPrivate, ACCProtected, ACCPublic, ACCStatic, ACCSuper, ACCSynchronized, ACCTransient, ACCVolatile, CONSTANTClass, CONSTANTDouble, CONSTANTFieldRef, CONSTANTFloat, CONSTANTInteger, CONSTANTInterfaceMethodRef, CONSTANTLong, CONSTANTMethodRef, CONSTANTNameAndType, CONSTANTString, CONSTANTUnicode, CONSTANTUtf8, opc_aaload, opc_aastore, opc_aconst_null, opc_aload, opc_aload_0, opc_aload_1, opc_aload_2, opc_aload_3, opc_anewarray, opc_areturn, opc_arraylength, opc_astore, opc_astore_0, opc_astore_1, opc_astore_2, opc_astore_3, opc_athrow, opc_baload, opc_bastore, opc_bipush, opc_caload, opc_castore, opc_checkcast, opc_d2f, opc_d2i, opc_d2l, opc_dadd, opc_daload, opc_dastore, opc_dcmpg, opc_dcmpl, opc_dconst_0, opc_dconst_1, opc_ddiv, opc_dload, opc_dload_0, opc_dload_1, opc_dload_2, opc_dload_3, opc_dmul, opc_dneg, opc_drem, opc_dreturn, opc_dstore, opc_dstore_0, opc_dstore_1, opc_dstore_2, opc_dstore_3, opc_dsub, opc_dup, opc_dup_x1, opc_dup_x2, opc_dup2, opc_dup2_x1, opc_dup2_x2, opc_f2d, opc_f2i, opc_f2l, opc_fadd, opc_faload, opc_fastore, opc_fcmpg, opc_fcmpl, opc_fconst_0, opc_fconst_1, opc_fconst_2, opc_fdiv, opc_fload, opc_fload_0, opc_fload_1, opc_fload_2, opc_fload_3, opc_fmul, opc_fneg, opc_frem, opc_freturn, opc_fstore, opc_fstore_0, opc_fstore_1, opc_fstore_2, opc_fstore_3, opc_fsub, opc_getfield, opc_getstatic, opc_goto, opc_goto_w, opc_i2b, opc_i2c, opc_i2d, opc_i2f, opc_i2l, opc_i2s, opc_iadd, opc_iaload, opc_iand, opc_iastore, opc_iconst_0, opc_iconst_1, opc_iconst_2, opc_iconst_3, opc_iconst_4, opc_iconst_5, opc_iconst_m1, opc_idiv, opc_if_acmpeq, opc_if_acmpne, opc_if_icmpeq, opc_if_icmpge, opc_if_icmpgt, opc_if_icmple, opc_if_icmplt, opc_if_icmpne, opc_ifeq, opc_ifge, opc_ifgt, opc_ifle, opc_iflt, opc_ifne, opc_ifnonnull, opc_ifnull, opc_iinc, opc_iload, opc_iload_0, opc_iload_1, opc_iload_2, opc_iload_3, opc_imul, opc_ineg, opc_instanceof, opc_invokeinterface, opc_invokespecial, opc_invokestatic, opc_invokevirtual, opc_ior, opc_irem, opc_ireturn, opc_ishl, opc_ishr, opc_istore, opc_istore_0, opc_istore_1, opc_istore_2, opc_istore_3, opc_isub, opc_iushr, opc_ixor, opc_jsr, opc_jsr_w, opc_l2d, opc_l2f, opc_l2i, opc_ladd, opc_laload, opc_land, opc_lastore, opc_lcmp, opc_lconst_0, opc_lconst_1, opc_ldc, opc_ldc_w, opc_ldc2_w, opc_ldiv, opc_lload, opc_lload_0, opc_lload_1, opc_lload_2, opc_lload_3, opc_lmul, opc_lneg, opc_lookupswitch, opc_lor, opc_lrem, opc_lreturn, opc_lshl, opc_lshr, opc_lstore, opc_lstore_0, opc_lstore_1, opc_lstore_2, opc_lstore_3, opc_lsub, opc_lushr, opc_lxor, opc_monitorenter, opc_monitorexit, opc_multianewarray, opc_new, opc_newarray, opc_nop, opc_pop, opc_pop2, opc_putfield, opc_putstatic, opc_ret, opc_return, opc_saload, opc_sastore, opc_sipush, opc_swap, opc_tableswitch, opc_wide, opc_xxxunusedxxx, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, T_TWOWORD, T_UNKNOWN, T_WORD, TC_INTERFACE, TC_OBJECT, TC_STRING

Constructor Summary

Constructors
Constructor	Description
`ClassFile(DataInputStream data)`	Construct a ClassFile from an input stream
`ClassFile(String cname, String supername)`	Construct a bare bones class, ready for additions

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`access()`	Return the access flags for the class - see VMConstants
`void`	`addField(ClassField field)`	Add a field to the list of the fields which the class contains
`void`	`addField(ClassField field, int index)`	Add a field to the list of the fields which the class contains, at the index'th position.
`void`	`addInterface(ConstClass iface)`	Add an interface to the list of the interfaces which the class implements
`void`	`addMethod(ClassMethod method)`	Add a method to the list of the methods which the class defines
`AttributeVector`	`attributes()`	Return the list of the attributes associated with the class
`ConstClass`	`className()`	Return the name of the class
`Vector`	`fields()`	Return the list of the fields which the class contains The contents are ClassField objects
`ClassField`	`findField(String fieldName)`	Look for a field with the specified name
`ClassMethod`	`findMethod(String methodName, String methodSig)`	Look for a method with the specified name and type signature
`byte[]`	`getBytes()`	Returns a byte array representation of this class.
`Vector`	`interfaces()`	Return the list of the interfaces which the class implements The contents are ConstClass objects
`boolean`	`isAbstract()`	Is the class abstract?
`boolean`	`isFinal()`	Is the class final?
`boolean`	`isInterface()`	Is the class an interface?
`boolean`	`isPublic()`	Is the class public?
`Vector`	`methods()`	Return the list of the methods which the class defines The contents are ClassMethod objects
`ConstantPool`	`pool()`	Return the constant pool for the class file
`void`	`print(PrintStream out)`
`static String`	`printSupportedVersions()`
`void`	`setAccessFlags(int flags)`	Set the access flags for the class - see VMConstants
`void`	`setSuperName(ConstClass superCl)`	Set the name of the super class
`void`	`summarize()`
`ConstClass`	`superName()`	Return the name of the super class
`String`	`superNameString()`	Return the name of the super class as a string
`void`	`write(DataOutputStream buff)`	Write the Class file to the data output stream

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

- Field Detail
  - magic
```
public static final int magic
```
    See Also:
    
    Constant Field Values
  - jdkMajorMinorVersions
```
public static final short[][] jdkMajorMinorVersions
```
  - jdkVersions
```
public static final List jdkVersions
```
  - supportedVersions
```
public static final String supportedVersions
```
- Constructor Detail
  - ClassFile
```
public ClassFile(DataInputStream data)
          throws ClassFormatError
```
    Construct a ClassFile from an input stream
    
    Throws:
    
    ClassFormatError
  - ClassFile
```
public ClassFile(String cname,
                 String supername)
```
    Construct a bare bones class, ready for additions
- Method Detail
  - pool
```
public ConstantPool pool()
```
    Return the constant pool for the class file
  - access
```
public int access()
```
    Return the access flags for the class - see VMConstants
  - isFinal
```
public final boolean isFinal()
```
    Is the class final?
  - isInterface
```
public final boolean isInterface()
```
    Is the class an interface?
  - isPublic
```
public final boolean isPublic()
```
    Is the class public?
  - isAbstract
```
public final boolean isAbstract()
```
    Is the class abstract?
  - setAccessFlags
```
public void setAccessFlags(int flags)
```
    Set the access flags for the class - see VMConstants
  - className
```
public ConstClass className()
```
    Return the name of the class
  - superName
```
public ConstClass superName()
```
    Return the name of the super class
  - superNameString
```
public String superNameString()
```
    Return the name of the super class as a string
  - setSuperName
```
public void setSuperName(ConstClass superCl)
```
    Set the name of the super class
  - interfaces
```
public Vector interfaces()
```
    Return the list of the interfaces which the class implements The contents are ConstClass objects
  - addInterface
```
public void addInterface(ConstClass iface)
```
    Add an interface to the list of the interfaces which the class implements
  - fields
```
public Vector fields()
```
    Return the list of the fields which the class contains The contents are ClassField objects
  - addField
```
public void addField(ClassField field)
```
    Add a field to the list of the fields which the class contains
  - addField
```
public void addField(ClassField field,
                     int index)
```
    Add a field to the list of the fields which the class contains, at the index'th position.
  - methods
```
public Vector methods()
```
    Return the list of the methods which the class defines The contents are ClassMethod objects
  - findMethod
```
public ClassMethod findMethod(String methodName,
                              String methodSig)
```
    Look for a method with the specified name and type signature
  - addMethod
```
public void addMethod(ClassMethod method)
```
    Add a method to the list of the methods which the class defines
  - findField
```
public ClassField findField(String fieldName)
```
    Look for a field with the specified name
  - attributes
```
public AttributeVector attributes()
```
    Return the list of the attributes associated with the class
  - write
```
public void write(DataOutputStream buff)
           throws IOException
```
    Write the Class file to the data output stream
    
    Throws:
    
    IOException
  - getBytes
```
public byte[] getBytes()
                throws IOException
```
    Returns a byte array representation of this class.
    
    Throws:
    
    IOException
  - print
```
public void print(PrintStream out)
```
  - summarize
```
public void summarize()
```
  - printSupportedVersions
```
public static final String printSupportedVersions()
```

Modifier and Type	Field	Description
`static short[][]`	`jdkMajorMinorVersions`
`static List`	`jdkVersions`
`static int`	`magic`
`static String`	`supportedVersions`

Class ClassFile

Field Summary

Fields inherited from interface com.sun.jdo.api.persistence.enhancer.classfile.VMConstants

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

magic

jdkMajorMinorVersions

jdkVersions

supportedVersions

Constructor Detail

ClassFile

ClassFile

Method Detail

pool

access

isFinal

isInterface

isPublic

isAbstract

setAccessFlags

className

superName

superNameString

setSuperName

interfaces

addInterface

fields

addField

addField

methods

findMethod

addMethod

findField

attributes

write

getBytes

print

summarize

printSupportedVersions