Package org.apache.bcel.classfile

Class Module

java.lang.Object

org.apache.bcel.classfile.Attribute

org.apache.bcel.classfile.Module

All Implemented Interfaces:

Cloneable, Node

public final class Module
extends Attribute

This class is derived from Attribute and represents the list of modules required, exported, opened or provided by a module. There may be at most one Module attribute in a ClassFile structure.

Since:

6.4.0

See Also:

• Attribute

Field Summary

Fields

Modifier and Type	Field	Description
private ModuleExports[]	exports_table
private final int	module_flags
private final int	module_name_index
private final int	module_version_index
private ModuleOpens[]	opens_table
private ModuleProvides[]	provides_table
private ModuleRequires[]	requires_table
private final int	uses_count
private final int[]	uses_index

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

constant_pool, length, name_index, tag

Constructor Summary

Constructors

Constructor	Description
Module(int name_index, int length, DataInput input, ConstantPool constant_pool)	Construct object from input stream.

Method Summary

Modifier and Type	Method	Description
void	accept(Visitor v)	Called by objects that are traversing the nodes of the tree implicitely defined by the contents of a Java class.
Attribute	copy(ConstantPool _constant_pool)
void	dump(DataOutputStream file)	Dump Module attribute to file stream in binary format.
ModuleExports[]	getExportsTable()
ModuleOpens[]	getOpensTable()
ModuleProvides[]	getProvidesTable()
ModuleRequires[]	getRequiresTable()
String	toString()

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

addAttributeReader, addAttributeReader, clone, getConstantPool, getLength, getName, getNameIndex, getTag, println, readAttribute, readAttribute, removeAttributeReader, setConstantPool, setLength, setNameIndex

Methods inherited from class java.lang.Object

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

Field Details

module_name_index

private final int module_name_index

module_flags

private final int module_flags

module_version_index

private final int module_version_index

requires_table

private ModuleRequires[] requires_table

exports_table

private ModuleExports[] exports_table

opens_table

private ModuleOpens[] opens_table

uses_count

private final int uses_count

uses_index

private final int[] uses_index

provides_table

private ModuleProvides[] provides_table

Constructor Details

Module

Module(int name_index,
 int length,
 DataInput input,
 ConstantPool constant_pool)
throws IOException

Construct object from input stream.

Parameters:

name_index - Index in constant pool

length - Content length in bytes

input - Input stream

constant_pool - Array of constants

Throws:

IOException

Method Details

accept

public 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.

Specified by:

accept in interface Node

Specified by:

accept in class Attribute

Parameters:

v - Visitor object

getRequiresTable

public ModuleRequires[] getRequiresTable()

Returns:

table of required modules

See Also:

• ModuleRequires

getExportsTable

public ModuleExports[] getExportsTable()

Returns:

table of exported interfaces

See Also:

• ModuleExports

getOpensTable

public ModuleOpens[] getOpensTable()

Returns:

table of provided interfaces

See Also:

• ModuleOpens

getProvidesTable

public ModuleProvides[] getProvidesTable()

Returns:

table of provided interfaces

See Also:

• ModuleProvides

dump

public void dump(DataOutputStream file)
          throws IOException

Dump Module attribute to file stream in binary format.

Overrides:

dump in class Attribute

Parameters:

file - Output file stream

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Attribute

Returns:

String representation, i.e., a list of packages.

copy

public Attribute copy(ConstantPool _constant_pool)

Specified by:

copy in class Attribute

Returns:

deep copy of this attribute