| 1 | package be.nikiroo.fanfix.library; |
| 2 | |
| 3 | import java.awt.image.BufferedImage; |
| 4 | import java.io.File; |
| 5 | import java.io.IOException; |
| 6 | import java.util.ArrayList; |
| 7 | import java.util.List; |
| 8 | |
| 9 | import be.nikiroo.fanfix.Instance; |
| 10 | import be.nikiroo.fanfix.data.MetaData; |
| 11 | import be.nikiroo.fanfix.data.Story; |
| 12 | import be.nikiroo.utils.Progress; |
| 13 | import be.nikiroo.utils.Version; |
| 14 | import be.nikiroo.utils.serial.ConnectActionClient; |
| 15 | |
| 16 | /** |
| 17 | * This {@link BasicLibrary} will access a remote server to list the available |
| 18 | * stories, and download the ones you try to load to the local directory |
| 19 | * specified in the configuration. |
| 20 | * |
| 21 | * @author niki |
| 22 | */ |
| 23 | public class RemoteLibrary extends BasicLibrary { |
| 24 | private String host; |
| 25 | private int port; |
| 26 | private File baseDir; |
| 27 | |
| 28 | private LocalLibrary lib; |
| 29 | private List<MetaData> metas; |
| 30 | |
| 31 | /** |
| 32 | * Create a {@link RemoteLibrary} linked to the given server. |
| 33 | * |
| 34 | * @param host |
| 35 | * the host to contact or NULL for localhost |
| 36 | * @param port |
| 37 | * the port to contact it on |
| 38 | */ |
| 39 | public RemoteLibrary(String host, int port) { |
| 40 | this.host = host; |
| 41 | this.port = port; |
| 42 | |
| 43 | this.baseDir = Instance.getRemoteDir(host); |
| 44 | this.baseDir.mkdirs(); |
| 45 | |
| 46 | this.lib = new LocalLibrary(baseDir); |
| 47 | } |
| 48 | |
| 49 | @Override |
| 50 | public String getLibraryName() { |
| 51 | return host + ":" + port; |
| 52 | } |
| 53 | |
| 54 | @Override |
| 55 | protected List<MetaData> getMetas(Progress pg) { |
| 56 | // TODO: progress |
| 57 | |
| 58 | if (metas == null) { |
| 59 | metas = new ArrayList<MetaData>(); |
| 60 | |
| 61 | try { |
| 62 | new ConnectActionClient(host, port, true) { |
| 63 | @Override |
| 64 | public void action(Version serverVersion) throws Exception { |
| 65 | try { |
| 66 | Object rep = send("GET_METADATA *"); |
| 67 | for (MetaData meta : (MetaData[]) rep) { |
| 68 | metas.add(meta); |
| 69 | } |
| 70 | } catch (Exception e) { |
| 71 | Instance.syserr(e); |
| 72 | } |
| 73 | } |
| 74 | }.connect(); |
| 75 | } catch (IOException e) { |
| 76 | Instance.syserr(e); |
| 77 | } |
| 78 | |
| 79 | List<String> test = new ArrayList<String>(); |
| 80 | for (MetaData meta : metas) { |
| 81 | if (test.contains(meta.getLuid())) { |
| 82 | throw new RuntimeException("wwops"); |
| 83 | } |
| 84 | test.add(meta.getLuid()); |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | return metas; |
| 89 | } |
| 90 | |
| 91 | @Override |
| 92 | public synchronized File getFile(final String luid) { |
| 93 | File file = lib.getFile(luid); |
| 94 | if (file == null) { |
| 95 | final File[] tmp = new File[1]; |
| 96 | try { |
| 97 | new ConnectActionClient(host, port, true) { |
| 98 | @Override |
| 99 | public void action(Version serverVersion) throws Exception { |
| 100 | try { |
| 101 | Object rep = send("GET_STORY " + luid); |
| 102 | Story story = (Story) rep; |
| 103 | if (story != null) { |
| 104 | lib.save(story, luid, null); |
| 105 | tmp[0] = lib.getFile(luid); |
| 106 | } |
| 107 | } catch (Exception e) { |
| 108 | Instance.syserr(e); |
| 109 | } |
| 110 | } |
| 111 | }.connect(); |
| 112 | } catch (IOException e) { |
| 113 | Instance.syserr(e); |
| 114 | } |
| 115 | |
| 116 | file = tmp[0]; |
| 117 | } |
| 118 | |
| 119 | if (file != null) { |
| 120 | MetaData meta = getInfo(luid); |
| 121 | metas.add(meta); |
| 122 | } |
| 123 | |
| 124 | return file; |
| 125 | } |
| 126 | |
| 127 | @Override |
| 128 | public BufferedImage getCover(final String luid) { |
| 129 | // Retrieve it from the cache if possible: |
| 130 | if (lib.getInfo(luid) != null) { |
| 131 | return lib.getCover(luid); |
| 132 | } |
| 133 | |
| 134 | final BufferedImage[] result = new BufferedImage[1]; |
| 135 | try { |
| 136 | new ConnectActionClient(host, port, true) { |
| 137 | @Override |
| 138 | public void action(Version serverVersion) throws Exception { |
| 139 | try { |
| 140 | Object rep = send("GET_COVER " + luid); |
| 141 | result[0] = (BufferedImage) rep; |
| 142 | } catch (Exception e) { |
| 143 | Instance.syserr(e); |
| 144 | } |
| 145 | } |
| 146 | }.connect(); |
| 147 | } catch (IOException e) { |
| 148 | Instance.syserr(e); |
| 149 | } |
| 150 | |
| 151 | return result[0]; |
| 152 | } |
| 153 | |
| 154 | @Override |
| 155 | protected void clearCache() { |
| 156 | metas = null; |
| 157 | lib.clearCache(); |
| 158 | } |
| 159 | |
| 160 | @Override |
| 161 | public synchronized Story save(Story story, String luid, Progress pg) |
| 162 | throws IOException { |
| 163 | throw new java.lang.InternalError( |
| 164 | "No write support allowed on remote Libraries"); |
| 165 | } |
| 166 | |
| 167 | @Override |
| 168 | public synchronized void delete(String luid) throws IOException { |
| 169 | throw new java.lang.InternalError( |
| 170 | "No write support allowed on remote Libraries"); |
| 171 | } |
| 172 | |
| 173 | @Override |
| 174 | public void setSourceCover(String source, String luid) { |
| 175 | throw new java.lang.InternalError( |
| 176 | "No write support allowed on remote Libraries"); |
| 177 | } |
| 178 | |
| 179 | // All the following methods are only used by Save and Delete in |
| 180 | // BasicLibrary: |
| 181 | |
| 182 | @Override |
| 183 | protected int getNextId() { |
| 184 | throw new java.lang.InternalError("Should not have been called"); |
| 185 | } |
| 186 | |
| 187 | @Override |
| 188 | protected void doDelete(String luid) throws IOException { |
| 189 | throw new java.lang.InternalError("Should not have been called"); |
| 190 | } |
| 191 | |
| 192 | @Override |
| 193 | protected Story doSave(Story story, Progress pg) throws IOException { |
| 194 | throw new java.lang.InternalError("Should not have been called"); |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Return the backing local library. |
| 199 | * |
| 200 | * @return the library |
| 201 | */ |
| 202 | LocalLibrary getLocalLibrary() { |
| 203 | return lib; |
| 204 | } |
| 205 | } |