source: trunk/gsdl3/src/java/org/greenstone/gsdl3/util/GSEntityResolver.java@ 5979

package org.greenstone.gsdl3.util;


import org.xml.sax.InputSource;
import org.xml.sax.EntityResolver;
import java.io.File;
import java.net.URL;

// uses a class loader to find entities
public class GSEntityResolver implements EntityResolver {

    public InputSource resolveEntity (String public_id, String system_id) {
    
    System.out.println("entity resolver for "+system_id);
    String temp_id = system_id;
    if (temp_id.startsWith("file://")) {
        File f = new File(system_id);
        if (f.exists()) {
        return new InputSource(system_id);
        } else {
        temp_id = temp_id.substring(temp_id.lastIndexOf(File.separator)+1);
        }
    } else {
        if (temp_id.indexOf(File.separatorChar)!= -1) {
        temp_id = temp_id.substring(temp_id.lastIndexOf(File.separator)+1);
        }
    }
    
    System.out.println("using class loader for "+temp_id);
    URL url = ClassLoader.getSystemResource(temp_id);
    if (url == null) {
        System.out.println("class loader didn't find it");
        return null;
    }
    return new InputSource("file://"+url.getFile());
    }

}