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Glassfish example source code file (SunOptionUtil.java)

This example Glassfish source code file (SunOptionUtil.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Glassfish tags/keywords

class, constructor, exception, exception, option, option, reflection, selectitem, selectitem, string, string, sun_option_class, sun_option_constructor, sunoptionutil

The Glassfish SunOptionUtil.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

/**
 *
 * @author anilam
 */

package org.glassfish.admingui.util;

import com.sun.webui.jsf.model.Option;
import javax.faces.model.SelectItem;
import java.lang.reflect.Array;
import java.lang.reflect.Constructor;

/**
 *
 * @author anilam
 */
/**
 * TODO:  Class.forName can cause problems under OSGi
 *        SUN_OPTION_CLASS = Class.forName("com.sun.webui.jsf.model.Option");
 * for the time being, we have to ensure that this class stays in the 'core' which is part of the war file so any plugin
 * modul can access it.
 * 
 */
public class SunOptionUtil {

    public static SelectItem[] getOptions(String[] values) {
        if (values == null) {
            SelectItem[] options = (SelectItem[]) Array.newInstance(SUN_OPTION_CLASS, 0);
            return options;
        }
        SelectItem[] options =
                (SelectItem[]) Array.newInstance(SUN_OPTION_CLASS, values.length);
        for (int i = 0; i < values.length; i++) {
            SelectItem option = getSunOption(values[i], values[i]);
            options[i] = option;
        }
        return options;
    }

    public static Option[] getOptionsArray(String[] values) {
        Option[] options =
                (Option[]) Array.newInstance(SUN_OPTION_CLASS, values.length);
        for (int i = 0; i < values.length; i++) {
            Option option = getOption(values[i], values[i]);
            options[i] = option;
        }
        return options;
    }

    public static Option getOption(String value, String label) {
        try {
            return (Option) SUN_OPTION_CONSTRUCTOR.newInstance(value, label);
        } catch (Exception ex) {
            return null;
        }
    }

    public static SelectItem[] getOptions(String[] values, String[] labels) {
        SelectItem[] options =
                (SelectItem[]) Array.newInstance(SUN_OPTION_CLASS, values.length);
        for (int i = 0; i < values.length; i++) {
            SelectItem option = getSunOption(values[i], labels[i]);
            options[i] = option;
        }
        return options;
    }

    public static SelectItem[] getModOptions(String[] values) {
        int size = (values == null) ? 1 : values.length + 1;
        SelectItem[] options =
                (SelectItem[]) Array.newInstance(SUN_OPTION_CLASS, size);
        options[0] = getSunOption("", "");
        for (int i = 0; i < size-1; i++) {
            SelectItem option = getSunOption(values[i], values[i]);
            options[i + 1] = option;
        }
        return options;
    }

    public static SelectItem getSunOption(String value, String label) {
        try {
            return (SelectItem) SUN_OPTION_CONSTRUCTOR.newInstance(value, label);
        } catch (Exception ex) {
            return null;
        }
    }

    private static Class SUN_OPTION_CLASS = null;
    private static Constructor SUN_OPTION_CONSTRUCTOR = null;
    

    static {
        try {
            // TODO: Class.forName can cause problems under OSGi
            SUN_OPTION_CLASS = Class.forName("com.sun.webui.jsf.model.Option");
            SUN_OPTION_CONSTRUCTOR = SUN_OPTION_CLASS.getConstructor(new Class[]{Object.class, String.class});
        } catch (Exception ex) {
            // Ignore exception here, NPE will be thrown when attempting to
            // use SUN_OPTION_CONSTRUCTOR.
        }
    }
}

Other Glassfish examples (source code examples)

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