JDK14/Java14源码在线阅读

/*
 * Copyright (c) 2007, 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 com.sun.media.sound;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

import javax.sound.midi.InvalidMidiDataException;
import javax.sound.midi.Soundbank;
import javax.sound.midi.spi.SoundbankReader;

/**
 * This class is used to connect the SF2SoundBank class
 * to the SoundbankReader SPI interface.
 *
 * @author Karl Helgason
 */
public final class SF2SoundbankReader extends SoundbankReader {

    @Override
    public Soundbank getSoundbank(URL url)
            throws InvalidMidiDataException, IOException {
        try {
            return new SF2Soundbank(url);
        } catch (RIFFInvalidFormatException e) {
            return null;
        } catch(IOException ioe) {
            return null;
        }
    }

    @Override
    public Soundbank getSoundbank(InputStream stream)
            throws InvalidMidiDataException, IOException {
        try {
            stream.mark(512);
            return new SF2Soundbank(stream);
        } catch (RIFFInvalidFormatException e) {
            stream.reset();
            return null;
        }
    }


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