Working Core Override Plugin

Activator.java

package edu.gettysburg.nkeiter.override.com.dotmarketing.factories.osgi;

import com.dotmarketing.factories.EmailFactory;
import com.dotmarketing.osgi.GenericBundleActivator;
import com.dotmarketing.util.Logger;

import org.osgi.framework.BundleContext;

public class Activator extends GenericBundleActivator
{
    @Override
    public void start( BundleContext bundleContext ) throws Exception
    {
		Logger.info( this, "Got to start( BundleContext )" );
		
        //Initializing services...
        initializeServices( bundleContext );
        
        //Verify the override.
        String verification = EmailFactory.verifyOverride();
        
		Logger.info( this, verification );
    }

    @Override
    public void stop( BundleContext bundleContext ) throws Exception
    {
		Logger.info( this, "Got to stop( BundleContext )" );
		
		//Unpublish bundle services
		unpublishBundleServices();
    }
}

build.gradle

apply plugin: 'application'
apply plugin: 'osgi'
apply plugin: 'war'
apply plugin: 'eclipse'

sourceCompatibility = '1.7'
version = '1.0'


repositories {
	maven {
        url "http://repo.dotcms.com/artifactory/libs-release"
    }
}

dependencies {
	compile fileTree(dir: 'src/main/resources/libs', include: '*.jar')
	compile (group: 'com.dotcms', name: 'dotcms', version: '2.5.3'){
		transitive = true
	}
	providedCompile "javax.servlet:servlet-api:2.5"
}

jar {
    manifest {
        name = 'Override of com.dotmarketing.factories.EmailFactory'
        symbolicName = 'Override of com.dotmarketing.factories.EmailFactory'
        instruction 'Bundle-Vendor', 'nkeiter'
        instruction 'Bundle-Description', 'nkeiter - Override of com.dotmarketing.factories.EmailFactory'
        instruction 'Bundle-DocURL', 'http://www.gettysburg.edu'
        instruction 'Bundle-Activator', 'edu.gettysburg.nkeiter.override.com.dotmarketing.factories.osgi.Activator'
        instruction 'Override-Classes', 'com.dotmarketing.factories.EmailFactory'
        instruction 'DynamicImport-Package', '*'
        instruction 'Import-Package', '*;version=0'
    }
}

task wrapper(type: Wrapper) {
    gradleVersion = '2.1'
}

EmailFactory.java

package com.dotmarketing.factories;

...
import com.dotmarketing.util.Logger;
...

public class EmailFactory {

	...
	
	public static String verifyOverride()
	{
		String message = "EmailFactory.verifyOverride() Override of EmailFactory.java verified!";
		
		Logger.info( EmailFactory.class, message );
		
		return message;
	}

}