com.deltax.util
Interface ClassFileFinder

All Known Subinterfaces:

DynamicClassFileFinder

All Known Implementing Classes:

DynamicJDK12ClassFileFinder, JDK12ClassFileFinder

public interface ClassFileFinder

This interface defines services for publicly load class bytecode. The JDK12ClassFileFinder class implements this interface emulating the Java 2 system class loader behaviour.

Version:

1.0

Author:

Cristiano Sadun

Method Summary

java.io.File	findClassFile(java.lang.String className) This method finds the class file - in a way depending on the particular implementation
byte[]	getClassBytes(java.lang.String className) Returns a byte array with the bytecode for the class * @param className the name of the class to find * @return byte[] the bytecode for the class * @throws IOException if a problem arises while loading the bytecode * @throws ClassNotFoundException if the class definition cannot be found
java.lang.String	getSupportedLoadingScheme() Returns the supported loading scheme
java.io.InputStream	openClass(java.lang.String className) Open class data.

Method Detail

getSupportedLoadingScheme

public java.lang.String getSupportedLoadingScheme()

Returns the supported loading scheme

Returns:

a description string

openClass

public java.io.InputStream openClass(java.lang.String className)
                              throws java.io.IOException,
                                     java.lang.ClassNotFoundException

Open class data. The input stream reads exactly and only the class byte data.

Parameters:

className - the name of the class to find

Throws:

java.lang.ClassNotFoundException - if the class is not found

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

getClassBytes

public byte[] getClassBytes(java.lang.String className)
                     throws java.io.IOException,
                            java.lang.ClassNotFoundException

Returns a byte array with the bytecode for the class * @param className the name of the class to find * @return byte[] the bytecode for the class * @throws IOException if a problem arises while loading the bytecode * @throws ClassNotFoundException if the class definition cannot be found

Throws:

java.io.IOException

java.lang.ClassNotFoundException

findClassFile

public java.io.File findClassFile(java.lang.String className)
                           throws java.io.IOException,
                                  java.lang.ClassNotFoundException

This method finds the class file - in a way depending on the particular implementation

Parameters:

className - the name of the class to find

Returns:

the File object for the class file; this can be a .class file, or a JAR file containing the class or other

Throws:

java.lang.ClassNotFoundException - if the class is not found

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