[30416] | 1 |
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| 2 | import java.io.*;
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| 3 | import java.net.*;
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| 4 | import java.nio.*;
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| 5 | import java.nio.channels.*;
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| 6 | import java.nio.file.*;
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| 7 | import java.util.*;
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| 8 |
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[30418] | 9 | import org.json.simple.JSONArray;
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| 10 | import org.json.simple.JSONObject;
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[30416] | 11 |
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| 12 | class MusicRecord {
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| 13 | private String track_url_;
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| 14 | private String title_;
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| 15 | private String artist_;
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| 16 | private String year_;
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| 17 | private String audio_url_;
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| 18 |
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| 19 | public MusicRecord(String track_url,String title, String artist, String year, String audio_url) {
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| 20 | track_url_ = track_url;
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| 21 | title_ = title;
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| 22 | artist_ = artist;
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| 23 | year_ = (year.matches("^\\s*$")) ? null : year;
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| 24 | audio_url_ = audio_url;
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| 25 | }
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| 26 |
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| 27 | public String getAudioURL() {
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| 28 | return audio_url_;
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| 29 | }
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| 30 |
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| 31 | public String toString()
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| 32 | {
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| 33 |
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| 34 | return String.format("[title=%s, artist=%s, year=%s; track_url=%s, audio_url=%s]",
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| 35 | title_,artist_,year_, track_url_, audio_url_);
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| 36 | }
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[30418] | 37 |
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| 38 | public JSONObject toJSON()
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| 39 | {
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| 40 | JSONObject obj = new JSONObject();
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| 41 |
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| 42 | boolean object_is_all_null = true;
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| 43 |
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| 44 | if (title_ != null) {
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| 45 | obj.put("title",title_);
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| 46 | object_is_all_null = false;
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| 47 | }
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| 48 |
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| 49 | if (artist_ != null) {
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| 50 | obj.put("artist",artist_);
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| 51 | object_is_all_null = false;
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| 52 | }
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| 53 |
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| 54 | if (year_ != null) {
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| 55 | obj.put("year",year_);
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| 56 | object_is_all_null = false;
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| 57 | }
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| 58 |
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| 59 | if (track_url_ != null) {
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| 60 | obj.put("track_url",track_url_);
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| 61 | object_is_all_null = false;
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| 62 | }
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| 63 |
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| 64 | if (audio_url_ != null) {
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| 65 | obj.put("audio_url",audio_url_);
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| 66 | object_is_all_null = false;
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| 67 | }
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| 68 |
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| 69 | if (object_is_all_null) {
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| 70 | System.err.println("Warning: MusicRecord '" + this + "' only has null values in it");
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| 71 | }
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| 72 |
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| 73 | return obj;
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| 74 | }
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| 75 |
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| 76 | public String toJSONString()
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| 77 | {
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| 78 | String jsonText = null;
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| 79 | JSONObject obj = toJSON();
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| 80 |
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| 81 | try {
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| 82 | StringWriter out = new StringWriter();
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| 83 | obj.writeJSONString(out);
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| 84 |
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| 85 | jsonText = out.toString();
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| 86 | }
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| 87 | catch (IOException ioe) {
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| 88 | ioe.printStackTrace();
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| 89 | }
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| 90 |
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| 91 | return jsonText;
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| 92 | }
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| 93 |
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| 94 |
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[30416] | 95 | }
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| 96 |
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