org.apache.james.repository.file.ClassLoaderObjectInputStream Maven / Gradle / Ivy
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package org.apache.james.repository.file;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectStreamClass;
/**
* A special ObjectInputStream to handle highly transient classes hosted by
* Avalon components that are juggling many classloaders.
*/
public class ClassLoaderObjectInputStream extends ObjectInputStream {
private final ClassLoader classLoader;
public ClassLoaderObjectInputStream(ClassLoader classLoader, InputStream inputStream) throws IOException {
super(inputStream);
this.classLoader = classLoader;
}
@Override
protected Class resolveClass(ObjectStreamClass objectStreamClass) throws IOException, ClassNotFoundException {
final Class clazz = Class.forName(objectStreamClass.getName(), false, classLoader);
if (null != clazz) {
return clazz; // the classloader knows of the class
} else {
// classloader knows not of class, let the super classloader do it
return super.resolveClass(objectStreamClass);
}
}
}