* @author niki
*/
public enum Status {
- /** The library is ready. */
- READY,
+ /** The library is ready and r/w. */
+ READ_WRITE,
+ /** The library is ready, but read-only. */
+ READ_ONLY,
/** The library is invalid (not correctly set up). */
INVALID,
/** You are not allowed to access this library. */
- UNAUTORIZED,
+ UNAUTHORIZED,
/** The library is currently out of commission. */
- UNAVAILABLE,
+ UNAVAILABLE;
+
+ /**
+ * The library is available (you can query it).
+ * <p>
+ * It does <b>not</b> specify if it is read-only or not.
+ *
+ * @return TRUE if it is
+ */
+ public boolean isReady() {
+ return (this == READ_WRITE || this == READ_ONLY);
+ }
+
+ /**
+ * This library can be modified (= you are allowed to modify it).
+ *
+ * @return TRUE if it is
+ */
+ public boolean isWritable() {
+ return (this == READ_WRITE);
+ }
}
/**
* @return the current status
*/
public Status getStatus() {
- return Status.READY;
+ return Status.READ_WRITE;
}
/**
* Do <b>NOT</b> alter this file.
*
* @param luid
- * the Library UID of the story
+ * the Library UID of the story, can be NULL
* @param pg
* the optional {@link Progress}
*
* @return the corresponding {@link Story}
+ *
+ * @throws IOException
+ * in case of IOException
*/
- public abstract File getFile(String luid, Progress pg);
+ public abstract File getFile(String luid, Progress pg) throws IOException;
/**
* Return the cover image associated to this story.
* the Library UID of the story
*
* @return the cover image
+ *
+ * @throws IOException
+ * in case of IOException
*/
- public abstract Image getCover(String luid);
+ public abstract Image getCover(String luid) throws IOException;
+
+ // TODO: ensure it is the main used interface
+ public MetaResultList getList(Progress pg) throws IOException {
+ return new MetaResultList(getMetas(pg));
+ }
+
+ // TODO: make something for (normal and custom) not-story covers
/**
* Return the cover image associated to this source.
* the source
*
* @return the cover image or NULL
+ *
+ * @throws IOException
+ * in case of IOException
*/
- public Image getSourceCover(String source) {
+ public Image getSourceCover(String source) throws IOException {
Image custom = getCustomSourceCover(source);
if (custom != null) {
return custom;
}
- List<MetaData> metas = getListBySource(source);
+ List<MetaData> metas = getList().filter(source, null, null);
if (metas.size() > 0) {
return getCover(metas.get(0).getLuid());
}
* the author
*
* @return the cover image or NULL
+ *
+ * @throws IOException
+ * in case of IOException
*/
- public Image getAuthorCover(String author) {
+ public Image getAuthorCover(String author) throws IOException {
Image custom = getCustomAuthorCover(author);
if (custom != null) {
return custom;
}
- List<MetaData> metas = getListByAuthor(author);
+ List<MetaData> metas = getList().filter(null, author, null);
if (metas.size() > 0) {
return getCover(metas.get(0).getLuid());
}
* the source to look for
*
* @return the custom cover or NULL if none
+ *
+ * @throws IOException
+ * in case of IOException
*/
- public Image getCustomSourceCover(@SuppressWarnings("unused") String source) {
+ @SuppressWarnings("unused")
+ public Image getCustomSourceCover(String source) throws IOException {
return null;
}
* the author to look for
*
* @return the custom cover or NULL if none
+ *
+ * @throws IOException
+ * in case of IOException
*/
- public Image getCustomAuthorCover(@SuppressWarnings("unused") String author) {
+ @SuppressWarnings("unused")
+ public Image getCustomAuthorCover(String author) throws IOException {
return null;
}
* the source to change
* @param luid
* the story LUID
+ *
+ * @throws IOException
+ * in case of IOException
*/
- public abstract void setSourceCover(String source, String luid);
+ public abstract void setSourceCover(String source, String luid)
+ throws IOException;
/**
* Set the author cover to the given story cover.
*
- * @param source
+ * @param author
* the author to change
* @param luid
* the story LUID
+ *
+ * @throws IOException
+ * in case of IOException
*/
- public abstract void setAuthorCover(String author, String luid);
+ public abstract void setAuthorCover(String author, String luid)
+ throws IOException;
/**
* Return the list of stories (represented by their {@link MetaData}, which
* <b>MAY</b> not have the cover included).
+ * <p>
+ * The returned list <b>MUST</b> be a copy, not the original one.
*
* @param pg
* the optional {@link Progress}
*
* @return the list (can be empty but not NULL)
+ *
+ * @throws IOException
+ * in case of IOException
*/
- protected abstract List<MetaData> getMetas(Progress pg);
+ protected abstract List<MetaData> getMetas(Progress pg) throws IOException;
/**
* Invalidate the {@link Story} cache (when the content should be re-read
*
* @param meta
* the {@link Story} to clear from the cache
+ *
+ * @throws IOException
+ * in case of IOException
*/
- protected abstract void updateInfo(MetaData meta);
+ protected abstract void updateInfo(MetaData meta) throws IOException;
/**
* Return the next LUID that can be used.
* the optional progress reporter
*/
public void refresh(Progress pg) {
- getMetas(pg);
+ try {
+ getMetas(pg);
+ } catch (IOException e) {
+ // We will let it fail later
+ }
+ }
+
+ /**
+ * Check if the {@link Story} denoted by this Library UID is present in the
+ * cache (if we have no cache, we default to </tt>true</tt>).
+ *
+ * @param luid
+ * the Library UID
+ *
+ * @return TRUE if it is
+ */
+ public boolean isCached(@SuppressWarnings("unused") String luid) {
+ // By default, everything is cached
+ return true;
+ }
+
+ /**
+ * Clear the {@link Story} from the cache, if needed.
+ * <p>
+ * 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
+ */
+ @SuppressWarnings("unused")
+ public void clearFromCache(String luid) throws IOException {
+ // By default, this is a noop.
}
/**
* List all the known types (sources) of stories.
*
* @return the sources
+ *
+ * @throws IOException
+ * in case of IOException
*/
- public synchronized List<String> getSources() {
+ public List<String> getSources() throws IOException {
List<String> list = new ArrayList<String>();
for (MetaData meta : getMetas(null)) {
String storySource = meta.getSource();
* </ul>
*
* @return the grouped list
+ *
+ * @throws IOException
+ * in case of IOException
*/
- public synchronized Map<String, List<String>> getSourcesGrouped() {
+ public Map<String, List<String>> getSourcesGrouped() throws IOException {
Map<String, List<String>> map = new TreeMap<String, List<String>>();
for (String source : getSources()) {
String name;
* List all the known authors of stories.
*
* @return the authors
+ *
+ * @throws IOException
+ * in case of IOException
*/
- public synchronized List<String> getAuthors() {
+ public List<String> getAuthors() throws IOException {
List<String> list = new ArrayList<String>();
for (MetaData meta : getMetas(null)) {
String storyAuthor = meta.getAuthor();
* <tt>0-9</tt>, which may only be present or not).
*
* @return the authors' names, grouped by letter(s)
+ *
+ * @throws IOException
+ * in case of IOException
*/
- public Map<String, List<String>> getAuthorsGrouped() {
+ public Map<String, List<String>> getAuthorsGrouped() throws IOException {
int MAX = 20;
Map<String, List<String>> groups = new TreeMap<String, List<String>>();
* @param car
* the starting character, <tt>*</tt>, <tt>0</tt> or a capital
* letter
- * @return the authors that fulfill the starting letter
+ *
+ * @return the authors that fulfil the starting letter
*/
private List<String> getAuthorsGroup(List<String> authors, char car) {
List<String> accepted = new ArrayList<String>();
* Cover images <b>MAYBE</b> not included.
*
* @return the stories
- */
- public synchronized List<MetaData> getList() {
- return getMetas(null);
- }
-
- /**
- * List all the stories of the given source type in the {@link BasicLibrary}
- * , or all the stories if NULL is passed as a type.
- * <p>
- * Cover images not included.
*
- * @param type
- * the type of story to retrieve, or NULL for all
- *
- * @return the stories
- */
- public synchronized List<MetaData> getListBySource(String type) {
- List<MetaData> list = new ArrayList<MetaData>();
- for (MetaData meta : getMetas(null)) {
- String storyType = meta.getSource();
- if (type == null || type.equalsIgnoreCase(storyType)) {
- list.add(meta);
- }
- }
-
- Collections.sort(list);
- return list;
- }
-
- /**
- * List all the stories of the given author in the {@link BasicLibrary}, or
- * all the stories if NULL is passed as an author.
- * <p>
- * Cover images not included.
- *
- * @param author
- * the author of the stories to retrieve, or NULL for all
- *
- * @return the stories
+ * @throws IOException
+ * in case of IOException
*/
- public synchronized List<MetaData> getListByAuthor(String author) {
- List<MetaData> list = new ArrayList<MetaData>();
- for (MetaData meta : getMetas(null)) {
- String storyAuthor = meta.getAuthor();
- if (author == null || author.equalsIgnoreCase(storyAuthor)) {
- list.add(meta);
- }
- }
-
- Collections.sort(list);
- return list;
+ public MetaResultList getList() throws IOException {
+ return getList(null);
}
/**
* cover image <b>MAY</b> not be included.
*
* @param luid
- * the Library UID of the story
+ * the Library UID of the story, can be NULL
*
- * @return the corresponding {@link Story}
+ * @return the corresponding {@link Story} or NULL if not found
+ *
+ * @throws IOException
+ * in case of IOException
*/
- public synchronized MetaData getInfo(String luid) {
+ public MetaData getInfo(String luid) throws IOException {
if (luid != null) {
for (MetaData meta : getMetas(null)) {
if (luid.equals(meta.getLuid())) {
* the optional progress reporter
*
* @return the corresponding {@link Story} or NULL if not found
+ *
+ * @throws IOException
+ * in case of IOException
*/
- public synchronized Story getStory(String luid, Progress pg) {
+ public Story getStory(String luid, Progress pg)
+ throws IOException {
Progress pgMetas = new Progress();
Progress pgStory = new Progress();
if (pg != null) {
* Retrieve a specific {@link Story}.
*
* @param luid
+ * the LUID of the story
+ * @param meta
* the meta of the story
* @param pg
* the optional progress reporter
*
* @return the corresponding {@link Story} or NULL if not found
+ *
+ * @throws IOException
+ * in case of IOException
*/
- public synchronized Story getStory(String luid, MetaData meta, Progress pg) {
+ public synchronized Story getStory(String luid, MetaData meta, Progress pg)
+ throws IOException {
if (pg == null) {
pg = new Progress();
pg.addProgress(pgProcess, 1);
Story story = null;
- File file = getFile(luid, pgGet);
+ File file = null;
+
+ if (luid != null && meta != null) {
+ file = getFile(luid, pgGet);
+ }
+
pgGet.done();
try {
- SupportType type = SupportType.valueOfAllOkUC(meta.getType());
- URL url = file.toURI().toURL();
- if (type != null) {
+ if (file != null) {
+ SupportType type = SupportType.valueOfAllOkUC(meta.getType());
+ if (type == null) {
+ throw new IOException("Unknown type: " + meta.getType());
+ }
+
+ URL url = file.toURI().toURL();
story = BasicSupport.getSupport(type, url) //
.process(pgProcess);
meta.setCover(story.getMeta().getCover());
meta.setResume(story.getMeta().getResume());
story.setMeta(meta);
- //
- } else {
- throw new IOException("Unknown type: " + meta.getType());
}
} catch (IOException e) {
- // We should not have not-supported files in the
- // library
- Instance.getTraceHandler()
- .error(new IOException("Cannot load file from library: "
- + file, e));
+ // We should not have not-supported files in the library
+ Instance.getInstance().getTraceHandler()
+ .error(new IOException(String.format(
+ "Cannot load file of type '%s' from library: %s",
+ meta.getType(), file), e));
} finally {
pgProcess.done();
pg.done();
* @param pg
* the optional progress reporter
*
- * @return the imported {@link Story}
+ * @return the imported Story {@link MetaData}
*
* @throws UnknownHostException
* if the host is not supported
* @throws IOException
* in case of I/O error
*/
- public Story imprt(URL url, Progress pg) throws IOException {
+ public MetaData imprt(URL url, Progress pg) throws IOException {
if (pg == null)
pg = new Progress();
}
Story story = save(support.process(pgProcess), pgSave);
+ pg.setName(story.getMeta().getTitle());
pg.done();
- return story;
+ return story.getMeta();
}
/**
*/
public synchronized Story save(Story story, String luid, Progress pg)
throws IOException {
+ if (pg == null) {
+ pg = new Progress();
+ }
- Instance.getTraceHandler().trace(
+ Instance.getInstance().getTraceHandler().trace(
this.getClass().getSimpleName() + ": saving story " + luid);
// Do not change the original metadata, but change the original story
MetaData meta = story.getMeta().clone();
story.setMeta(meta);
+ pg.setName("Saving story");
+
if (luid == null || luid.isEmpty()) {
meta.setLuid(String.format("%03d", getNextId()));
} else {
updateInfo(story.getMeta());
- Instance.getTraceHandler().trace(
- this.getClass().getSimpleName() + ": story saved (" + luid
- + ")");
+ Instance.getInstance().getTraceHandler()
+ .trace(this.getClass().getSimpleName() + ": story saved ("
+ + luid + ")");
+ pg.setName(meta.getTitle());
+ pg.done();
return story;
}
* in case of I/O error
*/
public synchronized void delete(String luid) throws IOException {
- Instance.getTraceHandler().trace(
+ Instance.getInstance().getTraceHandler().trace(
this.getClass().getSimpleName() + ": deleting story " + luid);
doDelete(luid);
invalidateInfo(luid);
- Instance.getTraceHandler().trace(
- this.getClass().getSimpleName() + ": story deleted (" + luid
- + ")");
+ Instance.getInstance().getTraceHandler()
+ .trace(this.getClass().getSimpleName() + ": story deleted ("
+ + luid + ")");
}
/**
git://git.nikiroo.be / nikiroo-utils.git / blobdiff