EntityResolverProvider.java

/* (c) 2014 - 2015 Open Source Geospatial Foundation - all rights reserved
 * (c) 2013 OpenPlans
 * This code is licensed under the GPL 2.0 license, available at the root
 * application directory.
 */
package org.geoserver.util;

import org.geoserver.config.GeoServer;
import org.geotools.xml.PreventLocalEntityResolver;
import org.xml.sax.EntityResolver;


/**
 * Creates an EntityResolver using geoserver configuration settings.
 * 
 * @author Davide Savazzi - geo-solutions.it
 */
public class EntityResolverProvider {
    
    /**
     * A entity resolver provider that always disabled entity resolution
     */
    public static final EntityResolverProvider RESOLVE_DISABLED_PROVIDER = new EntityResolverProvider(
            null);

    private GeoServer geoServer;
    
    public EntityResolverProvider(GeoServer geoServer) {
        this.geoServer = geoServer;
    }
    
    
    
    public EntityResolver getEntityResolver() {
        if (geoServer != null) {
            Boolean externalEntitiesEnabled = geoServer.getGlobal().isXmlExternalEntitiesEnabled();
            if (externalEntitiesEnabled != null && externalEntitiesEnabled.booleanValue()) {
                // XML parser will try to resolve entities
                return null;
            }
        }

        // default behaviour: entities disabled
        return PreventLocalEntityResolver.INSTANCE;
    } 
}