Application: gvSIG desktop » Library: org.gvsig.tools

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 * 

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 * 

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 * 

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 

 * MA  02110-1301, USA.

 * 

 */

package org.gvsig.tools.dataTypes;

import java.util.Iterator;

/**

 * Manages data types.

 * 

 * @author gvSIG Team

 * @version $Id$

 */

public interface DataTypesManager {

    public interface Coercion {

        public Object coerce(Object value) throws CoercionException;

    }

    public DataType get(int type);

    public boolean isValidType(int type);

    public boolean isObject(int type);

    public boolean isContainer(int type);

    public String getTypeName(int type);

    public int getType(String name);

    public Class getDefaultClass(int type);

    /**

     * Returns a DataType whose default class is the one provided.

     * As there may be more than one {@link DataType} objects with the same

     * default class, it will return only one of them.

     * 

     * @param defaultClass

     *            the default class of the data type asked

     * @return the DataType whose default class is the one provided.

     */

    public DataType getDataType(Class defaultClass);

    public String getSubtype(int type);

    public int addtype(int type, String subtype, String name,

        Class defaultClass, Coercion coercion);

    public Coercion getCoercion(int type);

    public void setCoercion(int type, Coercion coercion);

    public void addCoercion(int type, Coercion coercion);

    public Object coerce(int type, Object value) throws CoercionException;

    public Iterator iterator();

}