de.inetsoftware.classparser

Class ClassFile

java.lang.Object

de.inetsoftware.classparser.ClassFile

public class ClassFile
extends java.lang.Object

http://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html http://docs.oracle.com/javase/specs/jvms/se5.0/html/ClassFile.doc.html

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ClassFile.Type

Constructor Summary

Constructors

Constructor and Description
ClassFile(java.io.InputStream stream) Load a class file and create a model of the class.
ClassFile(java.lang.String className, ClassFile classFile) Create a replaced instance.

Method Summary

Modifier and Type	Method and Description
int	getAccessFlags() The access flags of the class.
java.util.Map<java.lang.String,java.lang.Object>	getAnnotation(java.lang.String annotation) Get a single annotation or null
BootstrapMethod	getBootstrapMethod(int methodIdx) Get the x-the BootstrapMethod.
ConstantPool	getConstantPool() Get the constant pool of the the current class.
FieldInfo	getField(java.lang.String name)
FieldInfo[]	getFields() Get the fields of the class.
ConstantClass[]	getInterfaces()
MethodInfo	getMethod(java.lang.String name, java.lang.String signature) Find a method via name and signature.
MethodInfo[]	getMethods()
java.lang.String	getSourceFile() Get value of SourceFile if available.
ConstantClass	getSuperClass()
java.lang.String	getSuperSignature() Get the signature of the super class with generic types.
ConstantClass	getThisClass()
java.lang.String	getThisSignature() Get the signature of the class with generic types.
ClassFile.Type	getType() Get the type of class.
void	partial(ClassFile partialClassFile) Extends this class with the methods and fields of the partial class.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassFile

public ClassFile(java.io.InputStream stream)
          throws java.io.IOException

Load a class file and create a model of the class.

Parameters:

stream - The InputStream of the class file. Will be closed if finish.

Throws:

java.io.IOException - if this input stream reaches the end before reading the class file.

ClassFile

public ClassFile(java.lang.String className,
                 ClassFile classFile)

Create a replaced instance.

Parameters:

className - the class name that should be replaced

classFile - the replacing class file data

Method Detail

getSourceFile

public java.lang.String getSourceFile()
                               throws java.io.IOException

Get value of SourceFile if available.

Returns:

the source file name or null.

Throws:

java.io.IOException - if an I/O error occurs.

getAnnotation

@Nullable
public java.util.Map<java.lang.String,java.lang.Object> getAnnotation(java.lang.String annotation)
                                                                         throws java.io.IOException

Get a single annotation or null

Parameters:

annotation - the class name of the annotation

Returns:

the value or null if not exists

Throws:

java.io.IOException - if any I/O error occur

getBootstrapMethod

public BootstrapMethod getBootstrapMethod(int methodIdx)
                                   throws java.io.IOException

Get the x-the BootstrapMethod. Bootstrap methods are used for creating an lambda object.

Parameters:

methodIdx - the index of the method

Returns:

the method

Throws:

java.io.IOException - if any error occur

getConstantPool

public ConstantPool getConstantPool()

Get the constant pool of the the current class.

Returns:

the constant pool

getThisClass

public ConstantClass getThisClass()

getSuperClass

public ConstantClass getSuperClass()

getInterfaces

public ConstantClass[] getInterfaces()

getMethods

public MethodInfo[] getMethods()

getMethod

public MethodInfo getMethod(java.lang.String name,
                            java.lang.String signature)

Find a method via name and signature.

Parameters:

name - the name

signature - the signature

Returns:

the method or null if not found

getField

public FieldInfo getField(java.lang.String name)

getFields

public FieldInfo[] getFields()

Get the fields of the class.

Returns:

the fields

getAccessFlags

public int getAccessFlags()

The access flags of the class. http://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.1-200-E http://docs.oracle.com/javase/specs/jvms/se5.0/html/ClassFile.doc.html#23242

See Also:

Class.isInterface()

getThisSignature

public java.lang.String getThisSignature()

Get the signature of the class with generic types.

getSuperSignature

public java.lang.String getSuperSignature()

Get the signature of the super class with generic types.

getType

public ClassFile.Type getType()

Get the type of class.

Returns:

the type of the class

partial

public void partial(ClassFile partialClassFile)

Extends this class with the methods and fields of the partial class.

Parameters:

partialClassFile - extension of the class