001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041: package org.netbeans.modules.sql.framework.ui.graph.actions;
042:
043: import java.awt.Component;
044: import java.awt.event.ActionEvent;
045: import java.util.HashMap;
046: import net.java.hulp.i18n.Logger;
047: import javax.swing.AbstractAction;
048: import org.netbeans.modules.etl.logger.Localizer;
049: import org.netbeans.modules.etl.logger.LogUtil;
050:
051: /**
052: * @author Ritesh Adval
053: * @version $Revision$
054: */
055: public abstract class GraphAction extends AbstractAction {
056:
057: /* log4j logger category */
058: private static final String LOG_CATEGORY = GraphAction.class
059: .getName();
060: private static transient final Logger mLogger = LogUtil
061: .getLogger(GraphAction.class.getName());
062: private static transient final Localizer mLoc = Localizer.get();
063: private static HashMap actionMap = new HashMap();
064:
065: /**
066: * called when this action is performed in the ui
067: *
068: * @param ev event
069: */
070: public abstract void actionPerformed(ActionEvent ev);
071:
072: public static GraphAction getAction(Class actionClass) {
073: GraphAction action = findAction(actionClass);
074: if (action != null) {
075: return action;
076: }
077:
078: action = createAction(actionClass);
079:
080: return action;
081: }
082:
083: private static GraphAction findAction(Class actionClass) {
084: return (GraphAction) actionMap.get(actionClass);
085: }
086:
087: private static GraphAction createAction(Class actionClass) {
088: GraphAction action = null;
089: try {
090: action = (GraphAction) actionClass.newInstance();
091: actionMap.put(actionClass, action);
092: } catch (InstantiationException e1) {
093: mLogger.errorNoloc(mLoc.t(
094: "PRSR138: Error creating instance of action{0}",
095: actionClass.getName()), e1);
096: } catch (IllegalAccessException e2) {
097: mLogger.errorNoloc(mLoc.t(
098: "PRSR139: Error creating instance of action{0}",
099: actionClass.getName()), e2);
100: }
101:
102: return action;
103: }
104:
105: /**
106: * return a component that can be used instead of action itself
107: *
108: * @return component
109: */
110: public Component getComponent() {
111: return null;
112: }
113: }
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