X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Ffanfix%2Flibrary%2FCacheLibrary.java;h=92e4ae7a9951ec9715dc5faa9271bae362412dbf;hb=a5d1f0e6320710cc4c8163adf2dc402e8f05fb96;hp=e8743b63cd9d18ca0ef0ba3316aa204433b4bf34;hpb=e2c2060faf5e905039acc1d405f9d6bb810eedb1;p=fanfix.git diff --git a/src/be/nikiroo/fanfix/library/CacheLibrary.java b/src/be/nikiroo/fanfix/library/CacheLibrary.java deleted file mode 100644 index e8743b6..0000000 --- a/src/be/nikiroo/fanfix/library/CacheLibrary.java +++ /dev/null @@ -1,391 +0,0 @@ -package be.nikiroo.fanfix.library; - -import java.io.File; -import java.io.IOException; -import java.net.URL; -import java.util.List; - -import be.nikiroo.fanfix.Instance; -import be.nikiroo.fanfix.bundles.UiConfig; -import be.nikiroo.fanfix.data.MetaData; -import be.nikiroo.fanfix.data.Story; -import be.nikiroo.utils.Image; -import be.nikiroo.utils.Progress; - -/** - * This library will cache another pre-existing {@link BasicLibrary}. - * - * @author niki - */ -public class CacheLibrary extends BasicLibrary { - private List metas; - private BasicLibrary lib; - private LocalLibrary cacheLib; - - /** - * Create a cache library around the given one. - *

- * It will return the same result, but those will be saved to disk at the - * same time to be fetched quicker the next time. - * - * @param cacheDir - * the cache directory where to save the files to disk - * @param lib - * the original library to wrap - */ - public CacheLibrary(File cacheDir, BasicLibrary lib) { - this.cacheLib = new LocalLibrary(cacheDir, Instance.getUiConfig() - .getString(UiConfig.GUI_NON_IMAGES_DOCUMENT_TYPE), Instance - .getUiConfig().getString(UiConfig.GUI_IMAGES_DOCUMENT_TYPE), - true); - this.lib = lib; - } - - @Override - public String getLibraryName() { - return lib.getLibraryName(); - } - - @Override - public Status getStatus() { - return lib.getStatus(); - } - - @Override - protected List getMetas(Progress pg) throws IOException { - if (pg == null) { - pg = new Progress(); - } - - if (metas == null) { - metas = lib.getMetas(pg); - } - - pg.done(); - return metas; - } - - @Override - public synchronized MetaData getInfo(String luid) throws IOException { - MetaData info = cacheLib.getInfo(luid); - if (info == null) { - info = lib.getInfo(luid); - } - - return info; - } - - @Override - public synchronized Story getStory(String luid, MetaData meta, Progress pg) - throws IOException { - if (pg == null) { - pg = new Progress(); - } - - Progress pgImport = new Progress(); - Progress pgGet = new Progress(); - - pg.setMinMax(0, 4); - pg.addProgress(pgImport, 3); - pg.addProgress(pgGet, 1); - - if (!isCached(luid)) { - try { - cacheLib.imprt(lib, luid, pgImport); - updateInfo(cacheLib.getInfo(luid)); - pgImport.done(); - } catch (IOException e) { - Instance.getTraceHandler().error(e); - } - - pgImport.done(); - pgGet.done(); - } - - String type = cacheLib.getOutputType(meta.isImageDocument()); - MetaData cachedMeta = meta.clone(); - cachedMeta.setType(type); - - return cacheLib.getStory(luid, cachedMeta, pg); - } - - @Override - public synchronized File getFile(final String luid, Progress pg) - throws IOException { - if (pg == null) { - pg = new Progress(); - } - - Progress pgGet = new Progress(); - Progress pgRecall = new Progress(); - - pg.setMinMax(0, 5); - pg.addProgress(pgGet, 4); - pg.addProgress(pgRecall, 1); - - if (!isCached(luid)) { - getStory(luid, pgGet); - pgGet.done(); - } - - File file = cacheLib.getFile(luid, pgRecall); - pgRecall.done(); - - pg.done(); - return file; - } - - @Override - public Image getCover(final String luid) throws IOException { - if (isCached(luid)) { - return cacheLib.getCover(luid); - } - - // We could update the cache here, but it's not easy - return lib.getCover(luid); - } - - @Override - public Image getSourceCover(String source) throws IOException { - Image custom = getCustomSourceCover(source); - if (custom != null) { - return custom; - } - - Image cached = cacheLib.getSourceCover(source); - if (cached != null) { - return cached; - } - - return lib.getSourceCover(source); - } - - @Override - public Image getAuthorCover(String author) throws IOException { - Image custom = getCustomAuthorCover(author); - if (custom != null) { - return custom; - } - - Image cached = cacheLib.getAuthorCover(author); - if (cached != null) { - return cached; - } - - return lib.getAuthorCover(author); - } - - @Override - public Image getCustomSourceCover(String source) throws IOException { - Image custom = cacheLib.getCustomSourceCover(source); - if (custom == null) { - custom = lib.getCustomSourceCover(source); - if (custom != null) { - cacheLib.setSourceCover(source, custom); - } - } - - return custom; - } - - @Override - public Image getCustomAuthorCover(String author) throws IOException { - Image custom = cacheLib.getCustomAuthorCover(author); - if (custom == null) { - custom = lib.getCustomAuthorCover(author); - if (custom != null) { - cacheLib.setAuthorCover(author, custom); - } - } - - return custom; - } - - @Override - public void setSourceCover(String source, String luid) throws IOException { - lib.setSourceCover(source, luid); - cacheLib.setSourceCover(source, getCover(luid)); - } - - @Override - public void setAuthorCover(String author, String luid) throws IOException { - lib.setAuthorCover(author, luid); - cacheLib.setAuthorCover(author, getCover(luid)); - } - - @Override - protected void updateInfo(MetaData meta) throws IOException { - if (meta != null && metas != null) { - boolean changed = false; - for (int i = 0; i < metas.size(); i++) { - if (metas.get(i).getLuid().equals(meta.getLuid())) { - metas.set(i, meta); - changed = true; - } - } - - if (!changed) { - metas.add(meta); - } - } - - cacheLib.updateInfo(meta); - lib.updateInfo(meta); - } - - @Override - protected void invalidateInfo(String luid) { - if (luid == null) { - metas = null; - } else if (metas != null) { - for (int i = 0; i < metas.size(); i++) { - if (metas.get(i).getLuid().equals(luid)) { - metas.remove(i--); - } - } - } - - cacheLib.invalidateInfo(luid); - lib.invalidateInfo(luid); - } - - @Override - public synchronized Story save(Story story, String luid, Progress pg) - throws IOException { - Progress pgLib = new Progress(); - Progress pgCacheLib = new Progress(); - - if (pg == null) { - pg = new Progress(); - } - - pg.setMinMax(0, 2); - pg.addProgress(pgLib, 1); - pg.addProgress(pgCacheLib, 1); - - story = lib.save(story, luid, pgLib); - story = cacheLib.save(story, story.getMeta().getLuid(), pgCacheLib); - - updateInfo(story.getMeta()); - - return story; - } - - @Override - public synchronized void delete(String luid) throws IOException { - if (isCached(luid)) { - cacheLib.delete(luid); - } - lib.delete(luid); - - invalidateInfo(luid); - } - - @Override - protected synchronized void changeSTA(String luid, String newSource, - String newTitle, String newAuthor, Progress pg) throws IOException { - if (pg == null) { - pg = new Progress(); - } - - Progress pgCache = new Progress(); - Progress pgOrig = new Progress(); - pg.setMinMax(0, 2); - pg.addProgress(pgCache, 1); - pg.addProgress(pgOrig, 1); - - MetaData meta = getInfo(luid); - if (meta == null) { - throw new IOException("Story not found: " + luid); - } - - if (isCached(luid)) { - cacheLib.changeSTA(luid, newSource, newTitle, newAuthor, pgCache); - } - pgCache.done(); - - lib.changeSTA(luid, newSource, newTitle, newAuthor, pgOrig); - pgOrig.done(); - - meta.setSource(newSource); - meta.setTitle(newTitle); - meta.setAuthor(newAuthor); - pg.done(); - - invalidateInfo(luid); - } - - /** - * Check if the {@link Story} denoted by this Library UID is present in the - * cache. - * - * @param luid - * the Library UID - * - * @return TRUE if it is - */ - public boolean isCached(String luid) { - try { - return cacheLib.getInfo(luid) != null; - } catch (IOException e) { - return false; - } - } - - /** - * Clear the {@link Story} from the cache. - *

- * The next time we try to retrieve the {@link Story}, it may be required to - * cache it again. - * - * @param luid - * the story to clear - * - * @throws IOException - * in case of I/O error - */ - public void clearFromCache(String luid) throws IOException { - if (isCached(luid)) { - cacheLib.delete(luid); - } - } - - @Override - public MetaData imprt(URL url, Progress pg) throws IOException { - if (pg == null) { - pg = new Progress(); - } - - Progress pgImprt = new Progress(); - Progress pgCache = new Progress(); - pg.setMinMax(0, 10); - pg.addProgress(pgImprt, 7); - pg.addProgress(pgCache, 3); - - MetaData meta = lib.imprt(url, pgImprt); - updateInfo(meta); - - clearFromCache(meta.getLuid()); - - pg.done(); - return meta; - } - - // All the following methods are only used by Save and Delete in - // BasicLibrary: - - @Override - protected int getNextId() { - throw new java.lang.InternalError("Should not have been called"); - } - - @Override - protected void doDelete(String luid) throws IOException { - throw new java.lang.InternalError("Should not have been called"); - } - - @Override - protected Story doSave(Story story, Progress pg) throws IOException { - throw new java.lang.InternalError("Should not have been called"); - } -}