Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.app.imp;

import java.awt.Component;

import java.io.File;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import javax.swing.JComponent;

import javax.swing.JFileChooser;

import javax.swing.SwingUtilities;

import javax.swing.event.HyperlinkListener;

import javax.swing.filechooser.FileFilter;

import javax.swing.tree.TreeModel;

import org.apache.commons.lang3.StringUtils;

import org.cresques.cts.IProjection;

import org.gvsig.about.AboutLocator;

import org.gvsig.about.AboutManager;

import org.gvsig.andami.Arguments;

import org.gvsig.andami.Launcher;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.actioninfo.ActionInfo;

import org.gvsig.andami.ui.ToolsWindowManager;

import org.gvsig.andami.ui.mdiFrame.MainFrame;

import org.gvsig.andami.ui.mdiManager.IWindow;

import org.gvsig.andami.ui.mdiManager.MDIManager;

import org.gvsig.app.ApplicationManager;

import org.gvsig.app.PreferencesNode;

import org.gvsig.app.extension.Version;

import org.gvsig.app.extension.develtools.InfoPanel;

import org.gvsig.app.gui.WizardPanel;

import org.gvsig.app.prepareAction.PrepareContext;

import org.gvsig.app.prepareAction.PrepareContextView;

import org.gvsig.app.prepareAction.PrepareDataStore;

import org.gvsig.app.prepareAction.PrepareDataStoreParameters;

import org.gvsig.app.prepareAction.PrepareLayer;

import org.gvsig.app.project.DefaultProject;

import org.gvsig.app.project.Project;

import org.gvsig.app.project.ProjectManager;

import org.gvsig.app.project.documents.Document;

import org.gvsig.app.project.documents.gui.IDocumentWindow;

import org.gvsig.app.project.documents.view.ViewDocument;

import org.gvsig.app.project.documents.view.ViewManager;

import org.gvsig.fmap.crs.CRSFactory;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.DataStore;

import org.gvsig.fmap.dal.DataStoreParameters;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.mapcontext.MapContext;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.fmap.mapcontext.MapContextManager;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontext.layers.operations.SingleLayer;

import org.gvsig.fmap.mapcontrol.CompoundLayersTreeModel;

import org.gvsig.fmap.mapcontrol.CompoundStoresTreeModel;

import org.gvsig.fmap.mapcontrol.MapControlLocator;

import org.gvsig.gui.ColorTablesFactory;

import org.gvsig.symbology.swing.SymbologySwingLocator;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dataTypes.DataTypesManager;

import org.gvsig.tools.dispose.DisposableManager;

import org.gvsig.tools.dynobject.DynObjectManager;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPoint.Extension;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

import org.gvsig.tools.observer.Observer;

import org.gvsig.tools.persistence.PersistenceManager;

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.swing.api.windowmanager.Dialog;

import org.gvsig.tools.swing.api.windowmanager.WindowManager;

import org.gvsig.tools.swing.icontheme.IconThemeManager;

import org.gvsig.tools.util.PropertiesSupport;

import org.gvsig.tools.util.PropertiesSupportHelper;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * @author jmvivo

 *

 */

public class DefaultApplicationManager implements ApplicationManager {

    @SuppressWarnings("unused")

        private static Logger logger = LoggerFactory.getLogger(DefaultApplicationManager.class);

        private static final String EPNAME_PREPARE_OPEN_DATASTORE = "org.gvsig.datastore.open.prepare"; //"PrepareOpenDataStore";

        private static final String EPNAME_PREPARE_OPEN_DATASTOREPARAMETERS = "org.gvsig.datastoreparameters.open.prepare"; //"PrepareOpenDataStoreParameters";

        private static final String EPNAME_PREPARE_OPEN_LAYER = "org.gvsig.layer.open.prepare"; // "PrepareOpenLayer";

        private static final String EPNAME_ADD_TABLE_WIZARD = "AddLayerWizard";

        private ExtensionPointManager epManager;

    private Version version;

    private PropertiesSupportHelper psh;

    public DefaultApplicationManager() {

        this.psh = new PropertiesSupportHelper();

        epManager = ToolsLocator.getExtensionPointManager();

        epManager.add(EPNAME_PREPARE_OPEN_DATASTORE,

                "Actions to do when open a DataStore");

        epManager.add(EPNAME_PREPARE_OPEN_DATASTOREPARAMETERS,

                "Actions to do before open a DataStore with parameters");

        epManager.add(EPNAME_PREPARE_OPEN_LAYER,

                "Actions to do after create a Layer");

        epManager.add(EPNAME_ADD_TABLE_WIZARD,

                "Wizards to add new document table");

        try {

            version = new Version();

        } catch(Exception ex) {

            logger.warn("Can't locate application version.");

        }

    }

        /* (non-Javadoc)

         * @see org.gvsig.appGvSigManager#pepareOpenDataSource(org.gvsig.fmap.dal.DataStore)

         */

        @SuppressWarnings("unchecked")

        public DataStore pepareOpenDataSource(DataStore store,

                        PrepareContext context) throws Exception {

                ExtensionPoint ep = epManager.get(EPNAME_PREPARE_OPEN_DATASTORE);

                if (ep.getCount() == 0) {

                        return store;

                }

                DataStore result = store;

                Iterator<ExtensionPoint.Extension> iter = ep.iterator();

                PrepareDataStore prepare;

                while (iter.hasNext()) {

                        prepare = (PrepareDataStore) iter.next().create();

                        result = prepare.prepare(store, context);

                }

                return result;

        }

        /* (non-Javadoc)

         * @see org.gvsig.appGvSigManager#prepareOpenDataStoreParameters(org.gvsig.fmap.dal.DataStoreParameters)

         */

        @SuppressWarnings("unchecked")

        public DataStoreParameters prepareOpenDataStoreParameters(

                        DataStoreParameters storeParameters, PrepareContext context)

                        throws Exception {

                ExtensionPoint ep = epManager

                                .get(EPNAME_PREPARE_OPEN_DATASTOREPARAMETERS);

                if (ep.getCount() == 0) {

                        return storeParameters;

                }

                DataStoreParameters result = storeParameters;

                Iterator<ExtensionPoint.Extension> iter = ep.iterator();

                PrepareDataStoreParameters prepare;

                while (iter.hasNext()) {

                        prepare = (PrepareDataStoreParameters) iter.next().create();

                        result = prepare.prepare(storeParameters, context);

                }

                return result;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.app.ApplicationManager#prepareOpenDataStoreParameters(java.util.List, org.gvsig.app.prepareAction.PrepareContext)

         */

        @SuppressWarnings("unchecked")

        public List<DataStoreParameters> prepareOpenDataStoreParameters(

                        List<DataStoreParameters> storeParameters, PrepareContext context)

                        throws Exception {

                ExtensionPoint ep = epManager

                                .get(EPNAME_PREPARE_OPEN_DATASTOREPARAMETERS);

                if (ep.getCount() == 0) {

                        return storeParameters;

                }

                List<DataStoreParameters> result = new ArrayList<DataStoreParameters>();

                Iterator<ExtensionPoint.Extension> iter = ep.iterator();

                List<PrepareDataStoreParameters> prepareList = new ArrayList<PrepareDataStoreParameters>();

                while (iter.hasNext()) {

                        prepareList.add((PrepareDataStoreParameters) iter.next().create());

                }

                for (int i = 0; i < storeParameters.size(); i++) {

                        DataStoreParameters param = storeParameters.get(i);

                        for (int j = 0; j < prepareList.size(); j++) {

                                prepareList.get(j).pre(param, context);

                        }

                }

                for (int i = 0; i < storeParameters.size(); i++) {

                        DataStoreParameters param = storeParameters.get(i);

                        if(param != null) {

                                for (int j = 0; j < prepareList.size(); j++) {

                                        param = prepareList.get(j).prepare(param, context);

                                        if(param == null)

                                                break;

                                }

                                if(param != null)

                                        result.add(param);

                        }

                }

                for (int i = 0; i < storeParameters.size(); i++) {

                        DataStoreParameters param = storeParameters.get(i);

                        for (int j = 0; j < prepareList.size(); j++) {

                                prepareList.get(j).post(param, context);

                        }

                }

                return result;

        }

        public void registerPrepareOpenDataStore(PrepareDataStore action) {

                ExtensionPoint ep = epManager.get(EPNAME_PREPARE_OPEN_DATASTORE);

                ep.append(action.getName(), action.getDescription(), action);

        }

        public void registerPrepareOpenDataStoreParameters(

                        PrepareDataStoreParameters action) {

                ExtensionPoint ep = epManager

                                .get(EPNAME_PREPARE_OPEN_DATASTOREPARAMETERS);

                ep.append(action.getName(), action.getDescription(), action);

        }

        @SuppressWarnings("unchecked")

        public FLayer prepareOpenLayer(FLayer layer,

                        PrepareContextView context)

                        throws Exception {

                ExtensionPoint ep = epManager.get(EPNAME_PREPARE_OPEN_LAYER);

                if (ep.getCount() == 0) {

                        return layer;

                }

                FLayer result = layer;

                Iterator<ExtensionPoint.Extension> iter = ep.iterator();

                PrepareLayer prepare;

                while (iter.hasNext()) {

                        prepare = (PrepareLayer) iter.next().create();

                        result = prepare.prepare(result, context);

                }

                return result;

        }

        public void registerPrepareOpenLayer(PrepareLayer action) {

                ExtensionPoint ep = epManager.get(EPNAME_PREPARE_OPEN_LAYER);

                ep.append(action.getName(), action.getDescription(), action);

        }

        public void registerAddTableWizard(String name, String description,

                        Class<? extends WizardPanel> wpClass) {

                ExtensionPoint ep = epManager.get(EPNAME_ADD_TABLE_WIZARD);

                ep.append(name, description, wpClass);

        }

        @SuppressWarnings("unchecked")

        public List<WizardPanel> getWizardPanels() throws Exception {

                ExtensionPoint ep = epManager.get(EPNAME_ADD_TABLE_WIZARD);

                List<WizardPanel> result = new ArrayList<WizardPanel>();

                Iterator<Extension> iter = ep.iterator();

                while (iter.hasNext()) {

                        result.add((WizardPanel) iter.next().create());

                }

                return result;

        }

        public DataManager getDataManager() {

                return DALLocator.getDataManager();

        }

        public GeometryManager getGeometryManager() {

                return GeometryLocator.getGeometryManager();

        }

        public PersistenceManager getPersistenceManager() {

                return ToolsLocator.getPersistenceManager();

        }

        public DisposableManager getDisposableManager() {

                return ToolsLocator.getDisposableManager();

        }

        public DynObjectManager getDynObjectManager() {

                return ToolsLocator.getDynObjectManager();

        }

        public ExtensionPointManager getExtensionPointManager() {

                return ToolsLocator.getExtensionPointManager();

        }

        public ProjectManager getProjectManager() {

                return ProjectManager.getInstance();

        }

        public MDIManager getUIManager() {

                return PluginServices.getMDIManager();

        }

        public MapContextManager getMapContextManager() {

                return MapContextLocator.getMapContextManager();

        }

        public DataTypesManager getDataTypesManager() {

                return ToolsLocator.getDataTypesManager();

        }

        public IProjection getCRS(String code) {

                return CRSFactory.getCRS(code);

        }

        public IconThemeManager getIconThemeManager() {

                return ToolsSwingLocator.getIconThemeManager();

        }

        @Override

        public Arguments getArguments() {

                return Launcher.getArguments();

        }

  @Override

        public String getFromClipboard() {

                return PluginServices.getFromClipboard();

        }

  @Override

        public void putInClipboard(String data) {

                PluginServices.putInClipboard(data);

        }

        public Project getCurrentProject() {

                return ProjectManager.getInstance().getCurrentProject();

        }

    @Override

    public FLayer getCurrentLayer() {

        ViewDocument viewdoc = (ViewDocument) this.getActiveDocument(ViewManager.TYPENAME);

        if( viewdoc == null ) {

            return null;

        }

        MapContext mapContext = viewdoc.getMapContext();

        return mapContext.getLayers().getFirstActiveLayer();

    }

        public PreferencesNode getPreferences(String node) {

                if( node.equalsIgnoreCase("project")) {

                        return DefaultProject.getPreferences();

                }

                return new DefaultPreferencesNode(node);

        }

        public PreferencesNode getPreferences() {

                return new DefaultPreferencesNode();

        }

        public Version getVersion() {

        return version;

        }

        @Override

        public void close(boolean quietly) {

            Launcher.closeApplication(quietly);

        }

        public AboutManager getAbout() {

                AboutManager manager = AboutLocator.getManager();

                return manager;

        }

        public ColorTablesFactory getColorTablesFactory() {

                return SymbologySwingLocator.getSwingManager().getColorTablesFactory();

        }

        public void registerColorTablesFactory(ColorTablesFactory factory) {

                SymbologySwingLocator.getSwingManager().setColorTablesFactory(factory);

        }

    public IWindow getActiveWindow() {

        try {

            IWindow window = PluginServices.getMDIManager().getActiveWindow();

            return window;

        } catch (Exception ex) {

            return null;

        }

    }

    public Document getActiveDocument() {

            return this.getActiveDocument((Class<? extends Document>)null);

    }

    public Document getActiveDocument(String documentTypeName) {

        Document document = this.getActiveDocument();

        if( document!= null && document.getTypeName().equalsIgnoreCase(documentTypeName) ) {

            return document;

        }

        return null;

    }

    public Document getActiveDocument(Class<? extends Document> documentClass) {

        Project project = this.getCurrentProject();

        if( project == null ) {

            return null;

        }

        return project.getActiveDocument(documentClass);

    }

    public JComponent getActiveComponent(Class<? extends Document> documentClass) {

        Document document = this.getActiveDocument(documentClass);

        if (document == null) {

            return null;

        }

        return document.getMainComponent();

    }

    public IDocumentWindow getDocumentWindow(Document document) {

        Class<? extends IDocumentWindow> defaultDocumentClass =

            document.getFactory().getMainWindowClass();

        return (IDocumentWindow) this.getUIManager().getSingletonWindow(defaultDocumentClass, document);

    }

        public String getLocaleLanguage() {

                return Launcher.getAndamiConfig().getLocaleLanguage();

        }

        public void messageDialog(String message, String title, int messageType) {

                MainFrame main = PluginServices.getMainFrame();

                main.messageDialog(message, title, messageType);

        }

        public void messageDialog(String message, String[] messageArgs,

                        String title, int messageType) {

                MainFrame main = PluginServices.getMainFrame();

                main.messageDialog(message, messageArgs, title, messageType);

        }

        @Override

        public void messageDialog(String message, String[] messageArgs, String title, int messageType, String msgid) {

                MainFrame main = PluginServices.getMainFrame();

                main.messageDialog(message, messageArgs, title, messageType, msgid);

        }        

        @Override

        public int confirmDialog(String message, String title, int optionType,

                        int messageType) {

                MainFrame main = PluginServices.getMainFrame();

                return main.confirmDialog(message, title, optionType, messageType);

        }

        @Override

        public int confirmDialog(String message, String title, int optionType,

                        int messageType, String msgid) {

                MainFrame main = PluginServices.getMainFrame();

                return main.confirmDialog(message, title, optionType, messageType, msgid);

        }

        public String inputDialog(String message, String title, int messageType,

                        String initialValue) {

                MainFrame main = PluginServices.getMainFrame();

                return main.inputDialog(message, title, messageType, initialValue);

        }

        public String inputDialog(String message, String title) {

                MainFrame main = PluginServices.getMainFrame();

                return main.inputDialog(message, title);

        }

        public void showDialog(Component contents, String title) {

                MainFrame main = PluginServices.getMainFrame();

                main.showDialog(contents, title);

        }

        public Component createComponent(Class<? extends Component> theClass,

                        Object... parameters) {

                MainFrame main = PluginServices.getMainFrame();

                return main.createComponentWithParams(theClass, parameters);

        }

        public Component createComponentWithParams(

                        Class<? extends Component> theClass, Object[] parameters) {

                MainFrame main = PluginServices.getMainFrame();

                return main.createComponentWithParams(theClass, parameters);

        }

        public File[] showChooserDialog(

                        final String title,

                        final int type, // SAVE_DIALOG / OPEN_DIALOG

                        final int selectionMode, //    JFileChooser.FILES_ONLY, JFileChooser.DIRECTORIES_ONLY, JFileChooser.FILES_AND_DIRECTORIES

                        final boolean multiselection, 

                        final File initialPath,

                        final FileFilter filter,

                        final boolean fileHidingEnabled

                        ) {

                MainFrame main = PluginServices.getMainFrame();

                return main.showChooserDialog(title, type, selectionMode, multiselection, initialPath, filter, fileHidingEnabled);

        }

        public File[] showOpenDirectoryDialog(String title, File initialPath) {

                return showChooserDialog(title, JFileChooser.OPEN_DIALOG, JFileChooser.DIRECTORIES_ONLY, false, initialPath, null, false);

        }

        public File[] showOpenFileDialog(String title, File initialPath) {

                return showChooserDialog(title, JFileChooser.OPEN_DIALOG, JFileChooser.FILES_ONLY, false, initialPath, null, false);

        }

        public File[] showSaveFileDialog(String title, File initialPath) {

                return showChooserDialog(title, JFileChooser.SAVE_DIALOG, JFileChooser.FILES_ONLY, false, initialPath, null, false);

        }

        @Override

        public void message(String message, int message_type) {

                MainFrame main = PluginServices.getMainFrame();

                if( main != null) {

                    main.message(message, message_type);

                }

        }        

        public String translate(String message, String... args) {

                return org.gvsig.i18n.Messages.translate(message, args);

        }

        public Component getRootComponent() {

                return (Component) PluginServices.getMainFrame();

        }

        public void refreshMenusAndToolBars() {

                PluginServices.getMainFrame().refreshControls();

        }

    public MainFrame getMainFrame() {

        return PluginServices.getMainFrame();

    }

        public void addMenu(ActionInfo action, String text) {

                MainFrame f = this.getMainFrame();

                f.addMenu(action,text);

        }

        @Override

        public void addTool(ActionInfo action, String toolBarName) {

                MainFrame f = this.getMainFrame();

                f.addTool(action,toolBarName);

                f.refreshControls();

        }

        @Override

        public void addSelectableTool(ActionInfo action, String toolBarName) {

                MainFrame f = this.getMainFrame();

                f.addSelectableTool(action,toolBarName,"unico",false);

                f.refreshControls();

        }

        public void showTextDialog(final WindowManager.MODE mode, final String title, final String htmlText) {

            this.showTextDialog(mode, title, htmlText, null);

        }

        public void showTextDialog(final WindowManager.MODE mode, final String title, final String htmlText, final HyperlinkListener hyperlinkListener) {

            if (!SwingUtilities.isEventDispatchThread()) {

                if( mode == WindowManager.MODE.DIALOG ) {

                    try {

                        SwingUtilities.invokeAndWait(new Runnable() {

                            public void run() {

                                showTextDialog(mode, title, htmlText,hyperlinkListener);

                            }

                        });

                    } catch (Exception ex) {

                        logger.warn("Can't show text dialog:\n"+htmlText,ex);

                    }

                } else {

                    SwingUtilities.invokeLater(new Runnable() {

                        public void run() {

                            showTextDialog(mode, title, htmlText,hyperlinkListener);

                        }

                    });

                }

                return;

            }

            InfoPanel.showPanel(title, mode, htmlText,hyperlinkListener);

        }

        @Override

        public TreeModel createProjectLayersTreeModel() {

            CompoundLayersTreeModel model = (CompoundLayersTreeModel) MapControlLocator.getMapControlManager().createCompoundLayersTreeModel();

            Project project = this.getCurrentProject();

            List<Document> views = project.getDocuments(ViewManager.TYPENAME);

            for (Document view : views) {

                model.addLayers( ((ViewDocument)view).getMapContext().getLayers() );

            }

            return model;

        }

    @Override

    public TreeModel createProjectStoresTreeModel() {

        CompoundStoresTreeModel model = MapControlLocator.getMapControlManager().createCompoundStoresTreeModel();

        Project project = this.getCurrentProject();

        List<Document> views = project.getDocuments(ViewManager.TYPENAME);

        for (Document view : views) {

            model.addLayers( ((ViewDocument)view).getMapContext().getLayers() );

        }

        return model;

    }

    @Override

    public Object getProperty(String name) {

        return this.psh.getProperty(name);

    }

    @Override

    public void setProperty(String name, Object value) {

        this.psh.setProperty(name, value);

    }

    @Override

    public Map<String, Object> getProperties() {

        return this.psh.getProperties();

    }

    @Override

    public void addPropertiesObserver(Observer o) {

        this.psh.addObserver(o);

    }

    @Override

    public void deletePropertiesObserver(Observer o) {

        this.psh.deleteObserver(o);

    }

    @Override

    public void deletePropertiesObservers() {

        this.psh.deleteObservers();

    }

    @Override

    public void refreshDocument(FeatureStore store) {

        if (store == null) {

            return;

        }

        refreshDocument(store.getParameters());

    }

    @Override

    public void refreshDocument(DataStoreParameters params) {

        if (params == null) {

            return;

        }

        if(!SwingUtilities.isEventDispatchThread()){

            SwingUtilities.invokeLater(() -> {

                refreshDocument(params);

            });

            return;

        }

        ProjectManager projectManager = this.getProjectManager();

        Project project = projectManager.getCurrentProject();

        for (Document doc : project.getDocuments()) {

            if (doc.contains(params)) {

                if (StringUtils.equals(doc.getTypeName(), ViewManager.TYPENAME)) {

                    ViewDocument view = (ViewDocument) doc;

                    for (Iterator<FLayer> it = view.deepiterator(); it.hasNext();) {

                        FLayer layer = it.next();

                        if (layer instanceof SingleLayer) {

                            DataStore layerStore = ((SingleLayer) layer).getDataStore();

                            if ( params.isTheSameStore(layerStore.getParameters())) {

                                try {

                                    layerStore.refresh();

                                } catch (DataException ex) {

                                    logger.debug("Can't refresh store "+layerStore.getFullName(), ex);

                                }

                            }

                        }

                    }

                }

                doc.refresh();

            }

        }

    }

    @Override

    public Object get(String key) {

        Object value = null;

        IWindow[] windows = this.getUIManager().getOrderedWindows();

        for (IWindow window : windows) {

            String title = window.getWindowInfo().getTitle();

            Object component = null;

            if( window instanceof PropertiesSupport ) {

                component = (JComponent) window;

            } else if( window instanceof ToolsWindowManager.Window ) {

                component = ((ToolsWindowManager.Window)window).getContents();

                if( component instanceof Dialog) {

                    component = ((Dialog)component).getContents();

                }

            }

            if( component instanceof PropertiesSupport ) {

                value = ((PropertiesSupport)component).getProperty(key);

                if( value!=null ) {

                    break;

                }

            } 

        }

        return value;

    }

}