Application: gvSIG desktop

package org.gvsig.fmap.dal.store.db;

import java.io.InputStream;

import org.gvsig.metadata.MetadataLocator;

import org.gvsig.metadata.MetadataManager;

import org.gvsig.metadata.exceptions.MetadataException;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.persistence.PersistenceManager;

public final class DBHelper {

        private DBHelper() {

                // Do nothing

        }

        @SuppressWarnings("unchecked")

        public static void registerParametersDefinition(String name, Class theClass, String filename) {

                PersistenceManager manager = ToolsLocator.getPersistenceManager();

                if (manager.getDefinition(name) == null) {

                        InputStream resource = theClass.getResourceAsStream(filename);

                        if( resource==null ) {

                                throw new IllegalArgumentException("File '"+ filename + "' not found as a resource of '"+theClass.getName()+"'.");

                        }

                        manager.addDefinition(

                                        theClass,

                                        name, 

                                        resource,

                                        theClass.getClassLoader(), 

                                        null, 

                                        null

                        );

                }

        }

        @SuppressWarnings("unchecked")

        public static void registerMetadataDefinition(String name, Class theClass, String filename) throws MetadataException {

                MetadataManager manager = MetadataLocator.getMetadataManager();

                if( manager.getDefinition(name)==null ) {

                        InputStream resource = theClass.getResourceAsStream(filename);

                        if( resource==null ) {

                                throw new IllegalArgumentException("File '"+ filename + "' not found as a resource of '"+theClass.getName()+"'.");

                        }

                        manager.addDefinition(

                                        name, 

                                        theClass.getResourceAsStream(filename),

                                        theClass.getClassLoader()

                        );

                }

        }

        public static DynObject newParameters(String name) {

            return ToolsLocator.getDynObjectManager()

                        .createDynObject(

                                ToolsLocator.getPersistenceManager().getDefinition(name)

                        );

        }

        public static DynObject newMetadataContainer(String name) {

            return ToolsLocator.getDynObjectManager()

                        .createDynObject(

                                MetadataLocator.getMetadataManager().getDefinition(name)

                        );

        }

}