fr.umlv.corosol.classfile.io.impl
Class JClassFileInputStream

java.lang.Object
  java.io.InputStream
      java.io.FilterInputStream
          java.io.DataInputStream
              fr.umlv.corosol.classfile.io.impl.JClassFileInputStream

All Implemented Interfaces:

JClassFileInput, JObject, java.io.Closeable, java.io.DataInput

public class JClassFileInputStream
extends java.io.DataInputStream
implements JClassFileInput

The default implementation of the fr.umlv.corosol.classfile.JClassFileInput interface.

Author:

Christophe Deleray

Constructor Summary

JClassFileInputStream(java.io.InputStream in)
Creates a new class file input stream.

Method Summary

JConstantPool	getConstantPool() Returns the constant pool created by this classfile reader.
JAttribute	readAttribute() Reads an attributes from the classfile.
JClassFileItem	readClassFileItem(java.lang.Class type) Reads the class file item specified by its type.
JClassMember	readClassMember() Reads a class member description from the classfile.
JConstant	readConstant() Reads a constant pool entry from the classfile.
JConstantPool	readConstantPool() Reads the constant pool from the classfile.

Methods inherited from class java.io.DataInputStream

read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, readUTF, skipBytes

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.io.DataInput

readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, skipBytes

Constructor Detail

JClassFileInputStream

public JClassFileInputStream(java.io.InputStream in)

Creates a new class file input stream.

Method Detail

readConstant

public JConstant readConstant()
                       throws java.io.IOException

Reads a constant pool entry from the classfile.

Specified by:

readConstant in interface JClassFileInput

Returns:

a constant pool entry

Throws:

java.io.IOException - if an I/O error occurs when reading this constant pool entry

readConstantPool

public JConstantPool readConstantPool()
                               throws java.io.IOException

Reads the constant pool from the classfile.

Specified by:

readConstantPool in interface JClassFileInput

Returns:

the constant pool

Throws:

java.io.IOException - if an I/O error occurs when reading the constant pool

readAttribute

public JAttribute readAttribute()
                         throws java.io.IOException

Reads an attributes from the classfile.

Specified by:

readAttribute in interface JClassFileInput

Returns:

an attribute

Throws:

java.io.IOException - if an I/O error occurs when reading this attribute

readClassMember

public JClassMember readClassMember()
                             throws java.io.IOException

Reads a class member description from the classfile.

Specified by:

readClassMember in interface JClassFileInput

Returns:

a class member description

Throws:

java.io.IOException - if an I/O error occurs when reading this class member description

readClassFileItem

public JClassFileItem readClassFileItem(java.lang.Class type)
                                 throws java.io.IOException

Reads the class file item specified by its type.

Specified by:

readClassFileItem in interface JClassFileInput

Parameters:

type - the type of a class file item to be readed from the classfile

Returns:

the corresponding class item

Throws:

java.io.IOException - if an I/O error occurs when reading this classfile item

getConstantPool

public JConstantPool getConstantPool()

Returns the constant pool created by this classfile reader.

Specified by:

getConstantPool in interface JClassFileInput

Returns:

the constant pool created by this classfile reader