Class MethodInfo

java.lang.Object

de.inetsoftware.classparser.MethodInfo

All Implemented Interfaces:

Member

public class MethodInfo
extends Object
implements Member

Field Summary

Fields

Modifier and Type	Field	Description
private final int	accessFlags
private Map<String, Map<String,Object>>	annotations
private final Attributes	attributes
private ClassFile	classFile
private Code	code
private final ConstantPool	constantPool
private String	description
private Exceptions	exceptions
private final String	name

Constructor Summary

Constructors

Constructor	Description
MethodInfo(DataInputStream input, ConstantPool constantPool, ClassFile classFile)	Read the method_info structure http://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.6 http://docs.oracle.com/javase/specs/jvms/se5.0/html/ClassFile.doc.html#1513

Method Summary

Modifier and Type	Method	Description
int	getAccessFlags()	Get the access flags of the method.
Map<String,Object>	getAnnotation(String annotation)	Get a single annotation or null
Attributes	getAttributes()
String	getClassName()	The class name of the declaring class like "java/lang/Object".
Code	getCode()
ConstantPool	getConstantPool()	Get the constant pool of the the current class.
ClassFile	getDeclaringClassFile()	Get the declaring class file of the method
Exceptions	getExceptions()
String	getName()	The simple name without package
String	getSignature()	Get the signature of the method with generic types.
String	getType()	Get the signature of the method without generic types.
boolean	isAbstract()	If the method is abstract
boolean	isLambda()	If the method is a synthetic lambda method
boolean	isNative()	If the method is native
boolean	isStatic()	If the method is a static method.
boolean	isSynthetic()	If the method is synthetic
(package private) void	setDeclaringClassFile(String origClassName, ClassFile classFile)	Replace the reference to the ClassFile

Methods inherited from class Object

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

Field Details

accessFlags

private final int accessFlags

name

private final String name

description

private String description

attributes

private final Attributes attributes

constantPool

private final ConstantPool constantPool

code

private Code code

exceptions

private Exceptions exceptions

classFile

private ClassFile classFile

annotations

private Map<String, Map<String,Object>> annotations

Constructor Details

MethodInfo

MethodInfo(DataInputStream input,
 ConstantPool constantPool,
 ClassFile classFile)
    throws IOException

Read the method_info structure http://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.6 http://docs.oracle.com/javase/specs/jvms/se5.0/html/ClassFile.doc.html#1513

Parameters:

input - the stream of the class file

constantPool - the ConstantPool of the class

classFile - the declaring class file

Throws:

IOException - if an I/O error occurs

Method Details

getDeclaringClassFile

public ClassFile getDeclaringClassFile()

Get the declaring class file of the method

Returns:

the ClassFile

getAccessFlags

public int getAccessFlags()

Get the access flags of the method. http://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.6-200-A http://docs.oracle.com/javase/specs/jvms/se5.0/html/ClassFile.doc.html#1522

Returns:

the flags

isStatic

public boolean isStatic()

If the method is a static method. http://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.6-200-A http://docs.oracle.com/javase/specs/jvms/se5.0/html/ClassFile.doc.html#1522

Returns:

true, if static

See Also:

• getAccessFlags()

isNative

public boolean isNative()

If the method is native

Returns:

true, if abstract

isAbstract

public boolean isAbstract()

If the method is abstract

Returns:

true, if abstract

isSynthetic

public boolean isSynthetic()

If the method is synthetic

Returns:

true, if synthetic

isLambda

public boolean isLambda()

If the method is a synthetic lambda method

Returns:

true, if lambda method

getName

public String getName()

Description copied from interface: Member

The simple name without package

Specified by:

getName in interface Member

Returns:

the name

getClassName

public String getClassName()

The class name of the declaring class like "java/lang/Object".

Specified by:

getClassName in interface Member

Returns:

the class name

getAttributes

public Attributes getAttributes()

Returns:

the attributes

getCode

public Code getCode()
             throws IOException

Throws:

IOException

getType

public String getType()

Get the signature of the method without generic types.

Specified by:

getType in interface Member

Returns:

the type

getSignature

public String getSignature()
                    throws IOException

Get the signature of the method with generic types.

Returns:

the signature

Throws:

IOException - if an I/O error occurs

getExceptions

public Exceptions getExceptions()
                         throws IOException

Throws:

IOException

getAnnotation

@Nullable
public Map<String,Object> getAnnotation(String annotation)
                                 throws IOException

Get a single annotation or null

Parameters:

annotation - the class name of the annotation

Returns:

the value or null if not exists

Throws:

IOException - if any I/O error occur

getConstantPool

public ConstantPool getConstantPool()

Get the constant pool of the the current class.

Returns:

the constant pool

setDeclaringClassFile

void setDeclaringClassFile(@Nonnull
 String origClassName,
 @Nonnull
 ClassFile classFile)

Replace the reference to the ClassFile

Parameters:

origClassName - the class name that should be replaced.

classFile - the new value