Application: gvSIG desktop

/* 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.

* 

*/

/*

* AUTHORS (In addition to CIT):

* 2008 Geographic Information research group: http://www.geoinfo.uji.es

* Departamento de Lenguajes y Sistemas Inform?ticos (LSI)

* Universitat Jaume I   

* {{Task}}

*/

package org.gvsig.metadata;

import java.util.Date;

public interface Metadata {

        /**

         * Retrieves an object from the Metadata Object

         * @param         name        the name which identifies the object to return

         * @return                        the object referenced by 'name' in the Metadata Object

         */

        public Object get(String name);

        /**

         * Retrieves a boolean value from the Metadata Object

         * @param         name        the name which identifies the value to return

         * @throws        ClassCastException        thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance

         * @return                        the boolean value referenced by 'name' in the Metadata Object

         */

        public boolean getBoolean(String name) throws ClassCastException;

        /**

         * Retrieves a double value from the Metadata Object

         * @param         name        the name which identifies the value to return

         * @throws        ClassCastException        thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance

         * @return                        the double value referenced by 'name' in the Metadata Object

         */

        public double getDouble(String name) throws ClassCastException;

        /**

         * Retrieves an integer value from the Metadata Object

         * @param         name        the name which identifies the value to return

         * @throws        ClassCastException        thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance

         * @return                        the integer value referenced by 'name' in the Metadata Object

         */

        public int getInt(String name) throws ClassCastException;

        /**

         * Retrieves a String from the Metadata Object

         * @param         name        the name which identifies the object to return

         * @throws        ClassCastException        thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance

         * @return                        the String object referenced by 'name' in the Metadata Object

         */

        public String getString(String name) throws ClassCastException;

        /**

         * Retrieves a Date object from the Metadata Object

         * @param         name        the name which identifies the value to return

         * @throws        ClassCastException        thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance

         * @return                        the Date object referenced by 'name' in the Metadata Object

         */

        public Date getDate(String name) throws ClassCastException;

        /**

         * Puts an object in the Metadata Object

         * @param         name        the name which identifies the object to put in the Metadata Object

         * @param        value        the object to put in the Object

         * @throws        ClassCastException        thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance

         */

        public void set(String name, Object value);

        /**

         * Puts a boolean value in the Metadata Object

         * @param         name        the name which identifies the value to put in the Metadata Object

         * @param        value        the value to put in the Object

         */

        public void setBoolean(String name, boolean value);

        /**

         * Puts a double value in the Metadata Object

         * @param         name        the name which identifies the value to put in the Metadata Object

         * @param        value        the value to put in the Object

         */

        public void setDouble(String name, double value);

        /**

         * Puts an integer value in the Metadata Object

         * @param         name        the name which identifies the value to put in the Metadata Object

         * @param        value        the value to put in the Object

         */

        public void setInt(String name, int value);

        /**

         * Puts a String in the Metadata Object

         * @param         name        the name which identifies the value to put in the Metadata Object

         * @param        value        the value to put in the Object

         */

        public void setString(String name, String value);

        /**

         * Puts a Date object in the Metadata Object

         * @param         name        the name which identifies the value to put in the Metadata Object

         * @param        value        the value to put in the Object

         */

        public void setDate(String name, Date value);

        /**

         * Checks if the Metadata Object has a specific value

         * @param         name        the name which identifies the value to check

         * @return                        a boolean value which indicates if there is a value in the Object referenced by 'name'

         */

        public boolean hasValue(String name);

        /**

         * Checks if the Metadata Object is empty

         * @return                        a boolean value which indicates if the Object has any value

         */

        public boolean isEmpty();

}