+++ /dev/null
-package be.nikiroo.fanfix.library;
-
-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.Instance;
-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;
- }
-
- 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);
- }
-
- 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() {
- @Override
- 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() {
- @Override
- 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;
- }
-}