Package org.apache.commons.discovery.ant

Source Code of org.apache.commons.discovery.ant.ServiceDiscoveryTask

/*
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* The Apache Software License, Version 1.1
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* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
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*    any, must include the following acknowlegement:
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*        Apache Software Foundation (http://www.apache.org/)."
*    Alternately, this acknowlegement may appear in the software itself,
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
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* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation.  For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
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*/

package org.apache.commons.discovery.ant;

import java.util.Vector;

import org.apache.commons.discovery.Resource;
import org.apache.commons.discovery.jdk.JDKHooks;
import org.apache.commons.discovery.listeners.GatherResourcesListener;
import org.apache.commons.discovery.resource.DiscoverResources;


/**
* Small ant task that will use discovery to locate a particular impl.
* and display all values.
*
* You can execute this and save it with an id, then other classes can use it.
*
* @author Costin Manolache
*/
public class ServiceDiscoveryTask
{
    String name;
    int debug=0;
    String[] drivers = null;
       
    public void setServiceName(String name ) {
        this.name=name;
    }

    public void setDebug(int i) {
        this.debug=debug;
    }

    public String[] getServiceInfo() {
        return drivers;
    }

    public void execute() throws Exception {
        System.out.println("XXX ");
       
        GatherResourcesListener listener = new GatherResourcesListener();
        DiscoverResources disc = new DiscoverResources();
        disc.addClassLoader( JDKHooks.getJDKHooks().getThreadContextClassLoader() );
        disc.addClassLoader( this.getClass().getClassLoader() );
        disc.setListener(listener);
        disc.find(name);

        Vector vector = listener.getResources();
        drivers = new String[vector.size()];
        for (int i = 0; i < vector.size(); i++) {
            drivers[i] = ((Resource)vector.get(i)).getName();
            if( debug > 0 ) {
                System.out.println("Found " + drivers[i]);
            }
        }
    }
       
}
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