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/* gvSIG. Geographic Information System of the Valencian Government
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 *
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 * Copyright (C) 2007-2008 Infrastructures and Transports Department
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 * of the Valencian Government (CIT)
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 * 
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 * 
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 * 
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
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 * MA  02110-1301, USA.
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 * 
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 */
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package org.gvsig.symbology.fmap.mapcontext.rendering.symbol.style;
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import org.gvsig.fmap.mapcontext.rendering.symbols.styles.IStyle;
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import org.gvsig.tools.ToolsLocator;
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import org.gvsig.tools.dynobject.DynStruct;
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import org.gvsig.tools.persistence.PersistenceManager;
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import org.gvsig.tools.persistence.PersistentState;
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import org.gvsig.tools.persistence.exception.PersistenceException;
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import org.gvsig.tools.util.Callable;
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/**
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 * Implements the IStyle interface in order to complete the methods ot the
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 * IStyle interface that allow the users to add the description of an object or
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 * obtain it.
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 * 
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 * @author 2005-2008 jaume dominguez faus - jaume.dominguez@iver.es
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 * @author 2009- <a href="cordinyana@gvsig.org">C?sar Ordi?ana</a> - gvSIG team
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 */
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public abstract class AbstractStyle implements IStyle {
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        public static final String STYLE_PERSISTENCE_DEFINITION_NAME = "Style";
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        private static final String FIELD_DESCRIPTION = "description";
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        private String desc;
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        public final void setDescription(String desc) {
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                this.desc = desc;
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        }
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        public final String getDescription() {
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                return desc;
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        }
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        public Object clone() throws CloneNotSupportedException {
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                return super.clone();
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        }
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        public void loadFromState(PersistentState state)
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                        throws PersistenceException {
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                setDescription(state.getString(FIELD_DESCRIPTION));
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        }
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        public void saveToState(PersistentState state) throws PersistenceException {
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                state.set(FIELD_DESCRIPTION, getDescription());
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        }
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        public static class RegisterPersistence implements Callable {
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                public Object call() throws Exception {
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                        PersistenceManager manager = ToolsLocator.getPersistenceManager();
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                        if( manager.getDefinition(STYLE_PERSISTENCE_DEFINITION_NAME)==null ) {
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                                DynStruct definition = manager.addDefinition(
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                                                AbstractStyle.class,
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                                                STYLE_PERSISTENCE_DEFINITION_NAME,
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                                                STYLE_PERSISTENCE_DEFINITION_NAME+" Persistence definition",
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                                                null, 
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                                                null
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                                );
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                                // Description
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                                definition.addDynFieldString(FIELD_DESCRIPTION);
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                        }
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                        return Boolean.TRUE;
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                }
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        }
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}