net.oneandone.mork.classfile

Class Input

java.lang.Object

net.oneandone.mork.classfile.Input

All Implemented Interfaces:

AutoCloseable, Constants

public class Input
extends Object
implements Constants, AutoCloseable

A context to read a class file. The context is comprised of an input stream and a constant pool.

Field Summary

Fields

Modifier and Type	Field and Description
Pool	constants
char	major
char	minor

Fields inherited from interface net.oneandone.mork.classfile.Constants

AE_CNST, AE_CNST_W, AE_CNST2_W, AE_FIELDREF, AE_I_D0, AE_I_D1, AE_I_F0, AE_I_F1, AE_I_F2, AE_I_I0, AE_I_I1, AE_I_I2, AE_I_I3, AE_I_I4, AE_I_I5, AE_I_IML, AE_I_L0, AE_I_L1, AE_I_LAST, AE_I_NULL, AE_IFMETHOD, AE_METHODREF, AE_REFTYPEREF, AE_S1, AE_S2, AE_U1, AE_U2, AE_U4, BRANCH, BYTE, CNST, CONSTANT_CLASS, CONSTANT_DOUBLE, CONSTANT_FIELDREF, CONSTANT_FLOAT, CONSTANT_INTEGER, CONSTANT_INTERFACEMETHODREF, CONSTANT_LONG, CONSTANT_METHODREF, CONSTANT_NAMEANDTYPE, CONSTANT_STRING, CONSTANT_UTF8, ERROR_STACK, FIELDREF, GETFIELD_STACK, GETSTATIC_STACK, IFMETHOD, IMPLICIT, INC, INVOKEINTERFACE_STACK, INVOKESPECIAL_STACK, INVOKESTATIC_STACK, INVOKEVIRTUAL_STACK, LDC_STACK, LS, LV, MAGIC, METHODREF, MULTIARRAY_STACK, PUTFIELD_STACK, PUTSTATIC_STACK, REFTYPEREF, RT, SIMPLE, SUCC_BRANCH, SUCC_GOTO, SUCC_JSR, SUCC_LOOKUPSWITCH, SUCC_NEXT, SUCC_NONE, SUCC_RET, SUCC_TABLESWITCH, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_REFERENCE, T_SHORT, T_VOID, TS, TYPE_BYTE, VBRANCH

Constructor Summary

Constructors

Constructor and Description
Input(InputStream src)

Method Summary

Modifier and Type	Method and Description
void	close()
void	closeCode()
int	findConstant(Object obj)
int	getOfs() Undefined when not in code context.
static ClassDef	load(net.oneandone.sushi.fs.Node node)
void	openCode(Code code)
void	read(byte[] buffer)
MethodRef	readClassMethodRef()
ClassRef	readClassRef()
Object	readConstant()
double	readDouble()
int	readEndIdxOrLast(int startIdx)
FieldRef	readFieldRef()
float	readFloat()
int	readIdx()
int	readIdxOrLast()
int	readInt()
MethodRef	readInterfaceMethodRef()
long	readLong()
void	readPad()
int	readS1()
int	readS2()
Object	readShortConstant()
String	readString()
int	readU1()
char	readU2()
int	readU4()
String	readUtf8()
void	requireCode()

Methods inherited from class java.lang.Object

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

Field Detail

minor

public char minor

major

public char major

constants

public Pool constants

Constructor Detail

Input

public Input(InputStream src)
      throws IOException

Throws:

IOException

Method Detail

load

public static ClassDef load(net.oneandone.sushi.fs.Node node)
                     throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Throws:

IOException

openCode

public void openCode(Code code)

closeCode

public void closeCode()

requireCode

public void requireCode()

readIdx

public int readIdx()
            throws IOException

Throws:

IOException

readIdxOrLast

public int readIdxOrLast()
                  throws IOException

Throws:

IOException

readEndIdxOrLast

public int readEndIdxOrLast(int startIdx)
                     throws IOException

Throws:

IOException

getOfs

public int getOfs()

Undefined when not in code context.

read

public void read(byte[] buffer)
          throws IOException

Throws:

IOException

readU1

public int readU1()
           throws IOException

Throws:

IOException

readS1

public int readS1()
           throws IOException

Throws:

IOException

readU2

public char readU2()
            throws IOException

Throws:

IOException

readS2

public int readS2()
           throws IOException

Throws:

IOException

readU4

public int readU4()
           throws IOException

Throws:

IOException

readClassRef

public ClassRef readClassRef()
                      throws IOException

Throws:

IOException

readFieldRef

public FieldRef readFieldRef()
                      throws IOException

Throws:

IOException

readClassMethodRef

public MethodRef readClassMethodRef()
                             throws IOException

Throws:

IOException

readInterfaceMethodRef

public MethodRef readInterfaceMethodRef()
                                 throws IOException

Throws:

IOException

readString

public String readString()
                  throws IOException

Throws:

IOException

readInt

public int readInt()
            throws IOException

Throws:

IOException

readFloat

public float readFloat()
                throws IOException

Throws:

IOException

readLong

public long readLong()
              throws IOException

Throws:

IOException

readDouble

public double readDouble()
                  throws IOException

Throws:

IOException

readUtf8

public String readUtf8()
                throws IOException

Throws:

IOException

readConstant

public Object readConstant()
                    throws IOException

Throws:

IOException

readShortConstant

public Object readShortConstant()
                         throws IOException

Throws:

IOException

readPad

public void readPad()
             throws IOException

Throws:

IOException

findConstant

public int findConstant(Object obj)