ingo@1115: /*
ingo@1115:  * Copyright (c) 2010 by Intevation GmbH
ingo@1115:  *
ingo@1115:  * This program is free software under the LGPL (>=v2.1)
ingo@1115:  * Read the file LGPL.txt coming with the software for details
ingo@1115:  * or visit http://www.gnu.org/licenses/ if it does not exist.
ingo@1115:  */
ingo@1115: 
tim@612: package de.intevation.gnv.state;
tim@612: 
sascha@1117: import de.intevation.artifacts.common.utils.Config;
sascha@779: 
sascha@779: import de.intevation.artifacts.CallContext;
sascha@779: 
sascha@779: import de.intevation.gnv.state.exception.StateException;
sascha@779: 
tim@612: import java.util.ArrayList;
tim@612: import java.util.Collection;
tim@612: import java.util.Map;
tim@612: 
tim@612: import org.w3c.dom.Element;
tim@612: import org.w3c.dom.Node;
tim@612: 
tim@612: /**
ingo@796:  * This special state does a lookup for already inserted data while
ingo@796:  * initializing. If there are some data for this state, take them for further
ingo@796:  * work.
ingo@796:  *
sascha@780:  * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
tim@612:  */
tim@612: public class PreSettingsTransferState extends DefaultState {
tim@612: 
tim@612:     /**
tim@612:      * The UID of this Class
tim@612:      */
tim@612:     private static final long serialVersionUID = 573381812690806922L;
tim@612: 
tim@612:     private String transferPreSettingsName = null;
sascha@778: 
tim@612:     private String transferInputDataname = null;
tim@612:     /**
tim@612:      * Constructor
tim@612:      */
tim@612:     public PreSettingsTransferState() {
tim@612:         super();
tim@612:     }
tim@612: 
ingo@796: 
tim@612:     /**
ingo@796:      * This method does a lookup for already inserted data before initializing
ingo@796:      * it.
sascha@803:      *
ingo@796:      * @param uuid
ingo@796:      * @param context
ingo@796:      * @throws StateException
tim@612:      */
tim@612:     @Override
tim@612:     public void initialize(String uuid, CallContext context)
tim@612:                                                             throws StateException {
tim@612:         Map<String, InputData> preSettings = this.getPreSettings();
tim@612:         if (preSettings != null){
tim@612:             InputData ip = preSettings.get(transferPreSettingsName);
tim@612:             if (ip != null){
tim@612:                 Collection<InputData> localInputdata = new ArrayList<InputData>(1);
tim@612:                 localInputdata.add(new DefaultInputData(transferInputDataname,
tim@612:                                                         ip.getValue()));
tim@612:                 this.putInputData(localInputdata, uuid);
tim@612:             }
tim@612:         }
sascha@778: 
tim@612:         super.initialize(uuid, context);
tim@612:     }
tim@612: 
ingo@796: 
tim@612:     /**
sascha@803:      *
ingo@796:      * @param configuration
tim@612:      */
tim@612:     @Override
tim@612:     public void setup(Node configuration) {
sascha@778: 
tim@612:         Element preSettingsNode = (Element)Config.getNodeXPath(configuration,
tim@612:                                                          "presettings-transfer");
tim@612:         if (preSettingsNode != null){
tim@612:             this.transferPreSettingsName = preSettingsNode.getAttribute("presetting");
tim@732:             this.transferInputDataname   = preSettingsNode.getAttribute("inputvalue");
tim@612:         }
tim@612:         super.setup(configuration);
tim@612:     }
tim@612: }
sascha@836: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :