JDK8/Java8源码在线阅读

/*
 * 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 java.awt.peer;


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

/**
 * The {@code DesktopPeer} interface provides methods for the operation
 * of open, edit, print, browse and mail with the given URL or file, by
 * launching the associated application.
 * <p>
 * Each platform has an implementation class for this interface.
 *
 */
public interface DesktopPeer {

    /**
     * Returns whether the given action is supported on the current platform.
     * @param action the action type to be tested if it's supported on the
     *        current platform.
     * @return {@code true} if the given action is supported on
     *         the current platform; {@code false} otherwise.
     */
    boolean isSupported(Action action);

    /**
     * Launches the associated application to open the given file. The
     * associated application is registered to be the default file viewer for
     * the file type of the given file.
     *
     * @param file the given file.
     * @throws IOException If the given file has no associated application,
     *         or the associated application fails to be launched.
     */
    void open(File file) throws IOException;

    /**
     * Launches the associated editor and opens the given file for editing. The
     * associated editor is registered to be the default editor for the file
     * type of the given file.
     *
     * @param file the given file.
     * @throws IOException If the given file has no associated editor, or
     *         the associated application fails to be launched.
     */
    void edit(File file) throws IOException;

    /**
     * Prints the given file with the native desktop printing facility, using
     * the associated application's print command.
     *
     * @param file the given file.
     * @throws IOException If the given file has no associated application
     *         that can be used to print it.
     */
    void print(File file) throws IOException;

    /**
     * Launches the mail composing window of the user default mail client,
     * filling the message fields including to, cc, etc, with the values
     * specified by the given mailto URL.
     *
     * @param mailtoURL represents a mailto URL with specified values of the message.
     *        The syntax of mailto URL is defined by
     *        <a href="http://www.ietf.org/rfc/rfc2368.txt">RFC2368: The mailto
     *        URL scheme</a>

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