jellyj.classfile.javaclass
Class Attribute
- Direct Known Subclasses:
- Code, ConstantValue, Deprecated, ExceptionTable, InnerClasses, LineNumberTable, LocalVariableTable, SourceFile, Synthetic, Unknown
- public abstract class Attribute
- implements Constants
Abstract super class for Attribute objects. Currently the
ConstantValue, SourceFile, Code,
Exceptiontable, LineNumberTable,
LocalVariableTable, InnerClasses and
Synthetic attributes are supported. The
Unknown attribute stands for non-standard-attributes.
- Author:
- JellyJ Design Group
- See Also: ConstantValue, SourceFile, Code, Unknown, ExceptionTable, LineNumberTable, LocalVariableTable, InnerClasses, Synthetic, Deprecated
accept
public abstract void accept(Visitor v)
- Called by objects that are traversing the nodes of the tree implicitely
defined by the contents of a Java class. I.e., the hierarchy of methods,
fields, attributes, etc. spawns a tree of objects.
- Parameters:
- v - Visitor object
dump
public void dump(DataOutputStream file)
throws java.io.IOException
- Dump attribute to file stream in binary format.
- Parameters:
- file - Output file stream
- throw IOException
getLength
public final int getLength()
- Returns: Length of attribute field in bytes.
getNameIndex
public final int getNameIndex()
- Returns: Name index in constant pool of attribute name.
getTag
public final byte getTag()
- Returns: Tag of attribute, i.e. its type. Value may not be altered, thus
there is no setTag() method.
readAttribute
final static Attribute readAttribute(DataInputStream file, ConstantPool constant_pool)
throws java.io.IOException,
java.lang.ClassFormatError,
java.lang.InternalError
setLength
public final void setLength(int length)
- Parameters:
- Attribute - length in bytes.
setNameIndex
public final void setNameIndex(int name_index)
- Parameters:
- name_index - of attribute.