Code cleanup: Libraries/Readers
[fanfix.git] / src / be / nikiroo / fanfix / LocalLibrary.java
diff --git a/src/be/nikiroo/fanfix/LocalLibrary.java b/src/be/nikiroo/fanfix/LocalLibrary.java
deleted file mode 100644 (file)
index 35f13f0..0000000
+++ /dev/null
@@ -1,362 +0,0 @@
-package be.nikiroo.fanfix;
-
-import java.awt.image.BufferedImage;
-import java.io.File;
-import java.io.FileFilter;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import be.nikiroo.fanfix.bundles.Config;
-import be.nikiroo.fanfix.data.MetaData;
-import be.nikiroo.fanfix.data.Story;
-import be.nikiroo.fanfix.output.BasicOutput;
-import be.nikiroo.fanfix.output.BasicOutput.OutputType;
-import be.nikiroo.fanfix.output.InfoCover;
-import be.nikiroo.fanfix.supported.InfoReader;
-import be.nikiroo.utils.IOUtils;
-import be.nikiroo.utils.Progress;
-
-/**
- * This {@link BasicLibrary} will store the stories locally on disk.
- * 
- * @author niki
- */
-public class LocalLibrary extends BasicLibrary {
-       private int lastId;
-       private Map<MetaData, File[]> stories; // Files: [ infoFile, TargetFile ]
-
-       private File baseDir;
-       private OutputType text;
-       private OutputType image;
-
-       /**
-        * Create a new {@link LocalLibrary} with the given back-end directory.
-        * 
-        * @param baseDir
-        *            the directory where to find the {@link Story} objects
-        * @param text
-        *            the {@link OutputType} to save the text-focused stories into
-        * @param image
-        *            the {@link OutputType} to save the images-focused stories into
-        */
-       public LocalLibrary(File baseDir, OutputType text, OutputType image) {
-               this.baseDir = baseDir;
-               this.text = text;
-               this.image = image;
-
-               this.lastId = 0;
-               this.stories = null;
-
-               baseDir.mkdirs();
-       }
-
-       @Override
-       protected List<MetaData> getMetas(Progress pg) {
-               return new ArrayList<MetaData>(getStories(pg).keySet());
-       }
-
-       @Override
-       public File getFile(String luid) {
-               File[] files = getStories(null).get(getInfo(luid));
-               if (files != null) {
-                       return files[1];
-               }
-
-               return null;
-       }
-
-       @Override
-       public BufferedImage getCover(String luid) {
-               MetaData meta = getInfo(luid);
-               if (meta != null) {
-                       File[] files = getStories(null).get(meta);
-                       if (files != null) {
-                               File infoFile = files[0];
-
-                               try {
-                                       meta = InfoReader.readMeta(infoFile, true);
-                                       return meta.getCover();
-                               } catch (IOException e) {
-                                       Instance.syserr(e);
-                               }
-                       }
-               }
-
-               return null;
-       }
-
-       @Override
-       protected void clearCache() {
-               stories = null;
-       }
-
-       @Override
-       protected synchronized int getNextId() {
-               return ++lastId;
-       }
-
-       @Override
-       protected void doDelete(String luid) throws IOException {
-               for (File file : getRelatedFiles(luid)) {
-                       // TODO: throw an IOException if we cannot delete the files?
-                       IOUtils.deltree(file);
-               }
-       }
-
-       @Override
-       protected Story doSave(Story story, Progress pg) throws IOException {
-               MetaData meta = story.getMeta();
-
-               File expectedTarget = getExpectedFile(meta);
-               expectedTarget.getParentFile().mkdirs();
-
-               BasicOutput it = BasicOutput.getOutput(getOutputType(meta), true);
-               it.process(story, expectedTarget.getPath(), pg);
-
-               return story;
-       }
-
-       @Override
-       protected synchronized void saveMeta(MetaData meta, Progress pg)
-                       throws IOException {
-               File newDir = getExpectedDir(meta.getSource());
-               if (!newDir.exists()) {
-                       newDir.mkdir();
-               }
-
-               List<File> relatedFiles = getRelatedFiles(meta.getLuid());
-               for (File relatedFile : relatedFiles) {
-                       // TODO: this is not safe at all.
-                       // We should copy all the files THEN delete them
-                       // Maybe also adding some rollback cleanup if possible
-                       if (relatedFile.getName().endsWith(".info")) {
-                               try {
-                                       String name = relatedFile.getName().replaceFirst(
-                                                       "\\.info$", "");
-                                       InfoCover.writeInfo(newDir, name, meta);
-                                       relatedFile.delete();
-                               } catch (IOException e) {
-                                       Instance.syserr(e);
-                               }
-                       } else {
-                               relatedFile.renameTo(new File(newDir, relatedFile.getName()));
-                       }
-               }
-
-               clearCache();
-       }
-
-       /**
-        * Return the {@link OutputType} for this {@link Story}.
-        * 
-        * @param meta
-        *            the {@link Story} {@link MetaData}
-        * 
-        * @return the type
-        */
-       private OutputType getOutputType(MetaData meta) {
-               if (meta != null && meta.isImageDocument()) {
-                       return image;
-               } else {
-                       return text;
-               }
-       }
-
-       /**
-        * Get the target {@link File} related to the given <tt>.info</tt>
-        * {@link File} and {@link MetaData}.
-        * 
-        * @param meta
-        *            the meta
-        * @param infoFile
-        *            the <tt>.info</tt> {@link File}
-        * 
-        * @return the target {@link File}
-        */
-       private File getTargetFile(MetaData meta, File infoFile) {
-               // Replace .info with whatever is needed:
-               String path = infoFile.getPath();
-               path = path.substring(0, path.length() - ".info".length());
-               String newExt = getOutputType(meta).getDefaultExtension(true);
-
-               return new File(path + newExt);
-       }
-
-       /**
-        * The target (full path) where the {@link Story} related to this
-        * {@link MetaData} should be located on disk for a new {@link Story}.
-        * 
-        * @param key
-        *            the {@link Story} {@link MetaData}
-        * 
-        * @return the target
-        */
-       private File getExpectedFile(MetaData key) {
-               String title = key.getTitle();
-               if (title == null) {
-                       title = "";
-               }
-               title = title.replaceAll("[^a-zA-Z0-9._+-]", "_");
-               return new File(getExpectedDir(key.getSource()), key.getLuid() + "_"
-                               + title);
-       }
-
-       /**
-        * The directory (full path) where the new {@link Story} related to this
-        * {@link MetaData} should be located on disk.
-        * 
-        * @param type
-        *            the type (source)
-        * 
-        * @return the target directory
-        */
-       private File getExpectedDir(String type) {
-               String source = type.replaceAll("[^a-zA-Z0-9._+-]", "_");
-               return new File(baseDir, source);
-       }
-
-       /**
-        * Return the list of files/directories on disk for this {@link Story}.
-        * <p>
-        * If the {@link Story} is not found, and empty list is returned.
-        * 
-        * @param luid
-        *            the {@link Story} LUID
-        * 
-        * @return the list of {@link File}s
-        * 
-        * @throws IOException
-        *             if the {@link Story} was not found
-        */
-       private List<File> getRelatedFiles(String luid) throws IOException {
-               List<File> files = new ArrayList<File>();
-
-               MetaData meta = getInfo(luid);
-               if (meta == null) {
-                       throw new IOException("Story not found: " + luid);
-               } else {
-                       File infoFile = getStories(null).get(meta)[0];
-                       File targetFile = getStories(null).get(meta)[1];
-
-                       files.add(infoFile);
-                       files.add(targetFile);
-
-                       String readerExt = getOutputType(meta).getDefaultExtension(true);
-                       String fileExt = getOutputType(meta).getDefaultExtension(false);
-
-                       String path = targetFile.getAbsolutePath();
-                       if (readerExt != null && !readerExt.equals(fileExt)) {
-                               path = path.substring(0, path.length() - readerExt.length())
-                                               + fileExt;
-                               File relatedFile = new File(path);
-
-                               if (relatedFile.exists()) {
-                                       files.add(relatedFile);
-                               }
-                       }
-
-                       String coverExt = "."
-                                       + Instance.getConfig().getString(Config.IMAGE_FORMAT_COVER);
-                       File coverFile = new File(path + coverExt);
-                       if (!coverFile.exists()) {
-                               coverFile = new File(path.substring(0,
-                                               path.length() - fileExt.length())
-                                               + coverExt);
-                       }
-
-                       if (coverFile.exists()) {
-                               files.add(coverFile);
-                       }
-               }
-
-               return files;
-       }
-
-       /**
-        * Fill the list of stories by reading the content of the local directory
-        * {@link LocalLibrary#baseDir}.
-        * <p>
-        * Will use a cached list when possible (see
-        * {@link BasicLibrary#clearCache()}).
-        * 
-        * @param pg
-        *            the optional {@link Progress}
-        * 
-        * @return the list of stories
-        */
-       private synchronized Map<MetaData, File[]> getStories(Progress pg) {
-               if (pg == null) {
-                       pg = new Progress();
-               } else {
-                       pg.setMinMax(0, 100);
-               }
-
-               if (stories == null) {
-                       stories = new HashMap<MetaData, File[]>();
-
-                       lastId = 0;
-
-                       File[] dirs = baseDir.listFiles(new FileFilter() {
-                               public boolean accept(File file) {
-                                       return file != null && file.isDirectory();
-                               }
-                       });
-
-                       Progress pgDirs = new Progress(0, 100 * dirs.length);
-                       pg.addProgress(pgDirs, 100);
-
-                       for (File dir : dirs) {
-                               File[] infoFiles = dir.listFiles(new FileFilter() {
-                                       public boolean accept(File file) {
-                                               return file != null
-                                                               && file.getPath().toLowerCase()
-                                                                               .endsWith(".info");
-                                       }
-                               });
-
-                               Progress pgFiles = new Progress(0, infoFiles.length);
-                               pgDirs.addProgress(pgFiles, 100);
-                               pgDirs.setName("Loading from: " + dir.getName());
-
-                               for (File infoFile : infoFiles) {
-                                       pgFiles.setName(infoFile.getName());
-                                       try {
-                                               MetaData meta = InfoReader.readMeta(infoFile, false);
-                                               try {
-                                                       int id = Integer.parseInt(meta.getLuid());
-                                                       if (id > lastId) {
-                                                               lastId = id;
-                                                       }
-
-                                                       stories.put(meta, new File[] { infoFile,
-                                                                       getTargetFile(meta, infoFile) });
-                                               } catch (Exception e) {
-                                                       // not normal!!
-                                                       throw new IOException(
-                                                                       "Cannot understand the LUID of "
-                                                                                       + infoFile
-                                                                                       + ": "
-                                                                                       + (meta == null ? "[meta is NULL]"
-                                                                                                       : meta.getLuid()), e);
-                                               }
-                                       } catch (IOException e) {
-                                               // We should not have not-supported files in the
-                                               // library
-                                               Instance.syserr(new IOException(
-                                                               "Cannot load file from library: " + infoFile, e));
-                                       }
-                                       pgFiles.add(1);
-                               }
-
-                               pgFiles.setName(null);
-                       }
-
-                       pgDirs.setName("Loading directories");
-               }
-
-               return stories;
-       }
-}