com.sun.enterprise.connectors.util.ConnectorRARClassLoader Maven / Gradle / Ivy
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package com.sun.enterprise.connectors.util;
import java.security.SecureClassLoader;
/**
* ConnectorRARClassLoader finds classes and resources from a
* JAR file without exploding it. This uses the JarResourceExtractor
* for finding classes and resources inside the archive
*
* This classloader is _used_ only by the admin GUI to retrieve resource
* adapter class properties without exploding the connector archive.
*
* @author Sivakumar Thyagarajan
*/
public class ConnectorRARClassLoader extends SecureClassLoader{
private JarResourceExtractor jarResources;
public ConnectorRARClassLoader(String jarName, ClassLoader parent) {
super(parent);
// Create the JarResource and suck in the .jar file.
jarResources = new JarResourceExtractor(jarName);
}
protected byte[] loadClassBytes(String className) {
className = formatClassName(className);
return (jarResources.getResource(className));
}
public Class findClass(String name) throws ClassNotFoundException {
byte[] b = loadClassBytes(name);
if (b == null) {
throw new ClassNotFoundException(name);
}
return defineClass(name, b, 0, b.length);
}
private String formatClassName(String className) {
return className.replace('.', '/') + ".class";
}
public String getResourceAsString(String raDeploymentDescPath) {
return new String(jarResources.getResource(raDeploymentDescPath));
}
}