com.tesshu.subsonic.client.sample4_music_andmovie.StreamDownloadApplication.java Source code

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Here is the source code for com.tesshu.subsonic.client.sample4_music_andmovie.StreamDownloadApplication.java

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/**
 * Copyright  2017 tesshu.com (webmaster@tesshu.com)
 *
 * 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 com.tesshu.subsonic.client.sample4_music_andmovie;

import com.tesshu.subsonic.client.controller.Search2Controller;
import com.tesshu.subsonic.client.controller.StreamController;
import com.tesshu.subsonic.client.model.Child;
import com.tesshu.subsonic.client.model.SearchResult2;

import org.apache.commons.lang3.StringUtils;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.web.client.RestTemplate;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;

import javax.annotation.Resource;

/**
 * Acquire the stream using format conversion of the server and store the media
 * locally.
 */
@SpringBootApplication
@ComponentScan(basePackages = { "com.tesshu.subsonic.client" })
public class StreamDownloadApplication {

    private static String tmpPath = "target/tmp";

    private String format = "mp3";

    @Resource
    private Search2Controller search2;

    @Resource
    private StreamController streamController;

    public static void main(String[] args) {
        SpringApplication.run(StreamDownloadApplication.class);
    }

    @Bean
    public RestTemplate restTemplate(RestTemplateBuilder builder) {
        return builder.build();
    }

    @Bean
    protected CommandLineRunner run(RestTemplate restTemplate) throws Exception {
        return args -> {

            SearchResult2 result2 = search2.get("e", null, null, null, null, 1, null, null);

            List<Child> songs = result2.getSongs();

            File tmpDirectory = new File(tmpPath);
            tmpDirectory.mkdir();

            int maxBitRate = 256;

            for (Child song : songs) {

                streamController.stream(song, maxBitRate, format, null, null, null, null,

                        (subject, inputStream, contentLength) -> {

                            File dir = new File(
                                    tmpPath + "/" + song.getPath().replaceAll("([^/]+?)?$", StringUtils.EMPTY));
                            dir.mkdirs();

                            File file = new File(tmpPath + "/"
                                    + song.getPath().replaceAll("([^.]+?)?$", StringUtils.EMPTY) + format);

                            try {

                                FileOutputStream fos = new FileOutputStream(file);
                                BufferedInputStream reader = new BufferedInputStream(inputStream);

                                byte buf[] = new byte[256];
                                int len;
                                while ((len = reader.read(buf)) != -1) {
                                    fos.write(buf, 0, len);
                                }
                                fos.flush();
                                fos.close();
                                reader.close();
                                inputStream.close();
                            } catch (IOException e) {
                                e.printStackTrace();
                            }
                        });
            }
        };

    }

}