Package org.sonar.java.bytecode.loader

Class SquidClassLoader

java.lang.Object

java.lang.ClassLoader

org.sonar.java.bytecode.loader.SquidClassLoader

All Implemented Interfaces:

Closeable, AutoCloseable

public class SquidClassLoader
extends ClassLoader
implements Closeable

Class loader, which is able to load classes from a list of JAR files and directories.

Constructor Summary

Constructors

Constructor	Description
SquidClassLoader(List<File> files)

Method Summary

Modifier and Type	Method	Description
void	close()	Closes this class loader, so that it can no longer be used to load new classes or resources.
protected Class	findClass(String name)
URL	findResource(String name)
protected Enumeration<URL>	findResources(String name)
byte[]	getBytesForClass(String className)	Read bytes representing class with name passed as an argument.
URL	getResource(String name)

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, findSystemClass, getClassLoadingLock, getPackage, getPackages, getParent, getResourceAsStream, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, loadClass, registerAsParallelCapable, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners

Methods inherited from class java.lang.Object

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

Constructor Detail

SquidClassLoader

public SquidClassLoader(List<File> files)

Parameters:

files - ordered list of files and directories from which to load classes and resources

Method Detail

findClass

protected Class findClass(String name)
                   throws ClassNotFoundException

Overrides:

findClass in class ClassLoader

Throws:

ClassNotFoundException

findResource

public URL findResource(String name)

Overrides:

findResource in class ClassLoader

findResources

protected Enumeration<URL> findResources(String name)
                                  throws IOException

Overrides:

findResources in class ClassLoader

Throws:

IOException

getBytesForClass

@CheckForNull
public byte[] getBytesForClass(String className)

Read bytes representing class with name passed as an argument. Modify the class version in bytecode so ASM can read returned array without issues.

Parameters:

className - canonical name of the class (e.g. org.acme.Foo )

Returns:

bytes or null if class is not found

getResource

public URL getResource(String name)

Overrides:

getResource in class ClassLoader

close

public void close()

Closes this class loader, so that it can no longer be used to load new classes or resources. Any classes or resources that are already loaded, are still accessible. If class loader is already closed, then invoking this method has no effect.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable