Package org.apache.tomcat.jakartaee

Class ClassConverter

java.lang.Object

org.apache.tomcat.jakartaee.ClassConverter

All Implemented Interfaces:

ClassFileTransformer, Converter

public class ClassConverter
extends Object
implements Converter, ClassFileTransformer

Class converter and transformer.

Field Summary

Fields

Modifier and Type	Field	Description
protected EESpecProfile	profile	The configured spec profile.

Constructor Summary

Constructors

Constructor	Description
ClassConverter()	Create a class converter with the default TOMCAT profile.
ClassConverter(EESpecProfile profile)	Create a class converter with the specified spec profile.

Method Summary

Modifier and Type	Method	Description
boolean	accepts(String filename)	Check if the file can be processed by this converter.
boolean	convert(String path, InputStream src, OutputStream dest, EESpecProfile profile)	Copies the source to the destination, converting it if necessary, according to the requirements of the given profile.
protected boolean	convertInternal(String path, InputStream src, OutputStream dest, EESpecProfile profile, ClassLoader loader)	Convert specified class bytecode.
String	toString()
byte[]	transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.instrument.ClassFileTransformer

transform

Field Detail

profile

protected final EESpecProfile profile

The configured spec profile.

Constructor Detail

ClassConverter

public ClassConverter()

Create a class converter with the default TOMCAT profile.

ClassConverter

public ClassConverter(EESpecProfile profile)

Create a class converter with the specified spec profile.

Parameters:

profile - the specification profile to use for conversion

Method Detail

toString

public String toString()

Overrides:

toString in class Object

accepts

public boolean accepts(String filename)

Description copied from interface: Converter

Check if the file can be processed by this converter.

Specified by:

accepts in interface Converter

Parameters:

filename - the file name

Returns:

true if the converter will process this file

convert

public boolean convert(String path,
                       InputStream src,
                       OutputStream dest,
                       EESpecProfile profile)
                throws IOException

Description copied from interface: Converter

Copies the source to the destination, converting it if necessary, according to the requirements of the given profile.

Specified by:

convert in interface Converter

Parameters:

path - The path to the data being converted

src - The source data to convert

dest - The destination to write the converted data

profile - The profile that defines the conversion required

Returns:

true if the converter made a conversion to the file

Throws:

IOException - If the conversion fails

transform

public byte[] transform(ClassLoader loader,
                        String className,
                        Class<?> classBeingRedefined,
                        ProtectionDomain protectionDomain,
                        byte[] classfileBuffer)
                 throws IllegalClassFormatException

Specified by:

transform in interface ClassFileTransformer

Throws:

IllegalClassFormatException

convertInternal

protected boolean convertInternal(String path,
                                  InputStream src,
                                  OutputStream dest,
                                  EESpecProfile profile,
                                  ClassLoader loader)
                           throws IOException

Convert specified class bytecode.

Parameters:

path - the path

src - the source byte stream

dest - the output byte stream

profile - the specification profile to use

loader - the class loader

Returns:

true if conversion occurred

Throws:

IOException - rethrow on byte read or write