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OptaPlanner solves planning problems. This lightweight, embeddable planning engine implements powerful and scalable algorithms to optimize business resource scheduling and planning. This module contains the examples which demonstrate how to use it in a normal Java application.

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/*
 * Copyright 2014 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.optaplanner.examples.common.swingui;

import java.awt.Desktop;
import java.awt.event.ActionEvent;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import javax.swing.AbstractAction;
import javax.swing.JOptionPane;

public class OpenBrowserAction extends AbstractAction {

    private final URI uri;

    public OpenBrowserAction(String title, String urlString) {
        super(title);
        try {
            uri = new URI(urlString);
        } catch (URISyntaxException e) {
            throw new IllegalStateException("Failed creating URI for urlString (" + urlString + ").", e);
        }
    }

    @Override
    public void actionPerformed(ActionEvent event) {
        Desktop desktop = Desktop.isDesktopSupported() ? Desktop.getDesktop() : null;
        if (desktop == null || !desktop.isSupported(Desktop.Action.BROWSE)) {
            JOptionPane.showMessageDialog(null, "Cannot open a browser automatically."
                    + "\nPlease open this url manually:\n" + uri.toString(),
                    "Cannot open browser", JOptionPane.INFORMATION_MESSAGE);
            return;
        }
        try {
            desktop.browse(uri);
        } catch (IOException e) {
            throw new IllegalStateException("Failed showing uri (" + uri + ") in the default browser.", e);
        }
    }

}