svn-gvsig-desktop / branches / v2_0_0_prep / applications / appgvSIG / src / com / iver / cit / gvsig / panelGroup / loaders / PanelGroupLoaderFromExtensionPoint.java @ 27723
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*/
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package com.iver.cit.gvsig.panelGroup.loaders; |
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import java.io.Serializable; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.Map; |
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import org.apache.log4j.Logger; |
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import org.gvsig.gui.beans.panelGroup.exceptions.ListCouldntLoadPanelException; |
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import org.gvsig.gui.beans.panelGroup.exceptions.PanelBaseException; |
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import org.gvsig.gui.beans.panelGroup.loaders.IPanelGroupLoader; |
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import org.gvsig.gui.beans.panelGroup.panels.AbstractPanel; |
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import org.gvsig.gui.beans.panelGroup.panels.IPanel; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.extensionpoint.ExtensionPointManager; |
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import org.gvsig.tools.extensionpoint.ExtensionPoint.Extension; |
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import com.iver.andami.PluginServices; |
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/**
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* <p>
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* Panel loader version that loads {@link AbstractPanel AbstractPanel} classes
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* registered as a extension point.
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* </p>
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*
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* @see IPanelGroupLoader
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*
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* @version 15/10/2007
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* @author Pablo Piqueras Bartolom? (pablo.piqueras@iver.es)
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*/
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public class PanelGroupLoaderFromExtensionPoint implements IPanelGroupLoader, Serializable { |
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private static final long serialVersionUID = 6810333457209196344L; |
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/**
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* Extension point id
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*/
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private String id; |
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/**
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* <p>
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* Initializes this loader.
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* </p>
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*
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* @param id
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* extension point identifier
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*/
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public PanelGroupLoaderFromExtensionPoint(String id) { |
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this.id = id;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.panelGroup.loaders.IPanelGroupLoader#loadPanels(java.util.ArrayList)
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*/
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public void loadPanels(ArrayList<IPanel> panels) throws ListCouldntLoadPanelException { |
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if (id == null) { |
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return;
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} |
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ExtensionPointManager ePManager = ToolsLocator |
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.getExtensionPointManager(); |
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ListCouldntLoadPanelException lCLPException = null;
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Iterator<Extension> iterator = null; |
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try {
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if (!ePManager.has(id)) {
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return;
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} |
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iterator = ePManager.get(id).iterator(); |
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} catch (Exception e) { |
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Logger.getLogger(getClass().getName()).debug(PluginServices.getText(this, "panel_loading_exception"), e); |
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if ( lCLPException == null ) { |
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lCLPException = new ListCouldntLoadPanelFromExtensionPointException();
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} |
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lCLPException.add(e); |
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} |
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AbstractPanel panel = null;
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while (iterator.hasNext()) {
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try {
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panel = (AbstractPanel) ((iterator.next()).create()); |
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panels.add(panel); |
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} catch (Exception e) { |
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Logger.getLogger(getClass().getName()).debug(PluginServices.getText(this, "panel_loading_exception"), e); |
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if ( lCLPException == null ) { |
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lCLPException = new ListCouldntLoadPanelFromExtensionPointException();
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} |
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PanelBaseException bew = null;
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if (panel == null) { |
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bew = new PanelBaseException(e, ""); |
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} else {
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bew = new PanelBaseException(e, panel.getLabel());
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} |
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lCLPException.add(bew); |
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} |
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} |
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if ( lCLPException != null ) { |
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throw lCLPException;
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} |
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} |
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/**
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* <p>
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* Exception produced when fails the load of a panel by a loader of type
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* <code>PanelGroupLoaderFromExtensionPoint</code>.
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* </p>
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*
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* @version 27/11/2007
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* @author Pablo Piqueras Bartolom? (pablo.piqueras@iver.es)
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*/
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public class ListCouldntLoadPanelFromExtensionPointException extends ListCouldntLoadPanelException { |
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private static final long serialVersionUID = -1513294728326593385L; |
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private static final String formatString = "Couldn't load some panels from an extension point of classes:"; |
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private static final String messageKey = "couldnt_load_panels_from_extension_point_exception"; |
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/**
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* <p>
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* Creates an initializes a new instance of
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* <code>ListCouldntLoadPanelFromExtensionPointException</code>.
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* </p>
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*/
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public ListCouldntLoadPanelFromExtensionPointException() {
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super(formatString, messageKey, serialVersionUID);
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} |
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.tools.exceptions.BaseException#values()
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*/
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protected Map<String, String> values() { |
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return null; |
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} |
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} |
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} |