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Java example source code file (WDesktopPeer.java)

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

Learn more about this Java project at its project page.

Java - Java tags/keywords

action_edit_verb, action_open_verb, action_print_verb, desktoppeer, error, failed, ioexception, net, network, shellexecute, string, wdesktoppeer

The WDesktopPeer.java Java example source code

/*
 * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package sun.awt.windows;


import java.awt.Desktop.Action;
import java.awt.peer.DesktopPeer;
import java.io.File;
import java.io.IOException;
import java.net.URI;


/**
 * Concrete implementation of the interface <code>DesktopPeer for
 * the Windows platform.
 *
 * @see DesktopPeer
 */
public class WDesktopPeer implements DesktopPeer {
    /* Contants for the operation verbs */
    private static String ACTION_OPEN_VERB = "open";
    private static String ACTION_EDIT_VERB = "edit";
    private static String ACTION_PRINT_VERB = "print";

    public boolean isSupported(Action action) {
        // OPEN, EDIT, PRINT, MAIL, BROWSE all supported on windows.
        return true;
    }

    public void open(File file) throws IOException {
        this.ShellExecute(file, ACTION_OPEN_VERB);
    }

    public void edit(File file) throws IOException {
        this.ShellExecute(file, ACTION_EDIT_VERB);
    }

    public void print(File file) throws IOException {
        this.ShellExecute(file, ACTION_PRINT_VERB);
    }

    public void mail(URI uri) throws IOException {
        this.ShellExecute(uri, ACTION_OPEN_VERB);
    }

    public void browse(URI uri) throws IOException {
        this.ShellExecute(uri, ACTION_OPEN_VERB);
    }

    private void ShellExecute(File file, String verb) throws IOException {
        String errMsg = ShellExecute(file.getAbsolutePath(), verb);
        if (errMsg != null) {
            throw new IOException("Failed to " + verb + " " + file + ". Error message: " + errMsg);
        }
    }

    private void ShellExecute(URI uri, String verb) throws IOException {
        String errmsg = ShellExecute(uri.toString(), verb);

        if (errmsg != null) {
            throw new IOException("Failed to " + verb + " " + uri
                    + ". Error message: " + errmsg);
        }
    }

    private static native String ShellExecute(String fileOrUri, String verb);

}

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