+++ /dev/null
-package be.nikiroo.fanfix.reader;
-
-import java.io.File;
-import java.io.IOException;
-import java.net.MalformedURLException;
-import java.net.URL;
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
-import java.util.AbstractMap.SimpleEntry;
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.List;
-import java.util.Map.Entry;
-
-import be.nikiroo.fanfix.Instance;
-import be.nikiroo.fanfix.bundles.Config;
-import be.nikiroo.fanfix.bundles.UiConfig;
-import be.nikiroo.fanfix.data.MetaData;
-import be.nikiroo.fanfix.data.Story;
-import be.nikiroo.fanfix.library.BasicLibrary;
-import be.nikiroo.fanfix.library.LocalLibrary;
-import be.nikiroo.fanfix.supported.BasicSupport;
-import be.nikiroo.utils.Progress;
-import be.nikiroo.utils.StringUtils;
-import be.nikiroo.utils.serial.SerialUtils;
-
-/**
- * The class that handles the different {@link Story} readers you can use.
- * <p>
- * All the readers should be accessed via {@link BasicReader#getReader()}.
- *
- * @author niki
- */
-public abstract class BasicReader implements Reader {
- private static BasicLibrary defaultLibrary = Instance.getLibrary();
- private static ReaderType defaultType = ReaderType.GUI;
-
- private BasicLibrary lib;
- private MetaData meta;
- private Story story;
- private int chapter;
-
- /**
- * Take the default reader type configuration from the config file.
- */
- static {
- String typeString = Instance.getConfig().getString(Config.READER_TYPE);
- if (typeString != null && !typeString.isEmpty()) {
- try {
- ReaderType type = ReaderType.valueOf(typeString.toUpperCase());
- defaultType = type;
- } catch (IllegalArgumentException e) {
- // Do nothing
- }
- }
- }
-
- @Override
- public synchronized Story getStory(Progress pg) {
- if (story == null) {
- story = getLibrary().getStory(meta.getLuid(), pg);
- }
-
- return story;
- }
-
- @Override
- public BasicLibrary getLibrary() {
- if (lib == null) {
- lib = defaultLibrary;
- }
-
- return lib;
- }
-
- @Override
- public void setLibrary(BasicLibrary lib) {
- this.lib = lib;
- }
-
- @Override
- public synchronized MetaData getMeta() {
- return meta;
- }
-
- @Override
- public synchronized void setMeta(MetaData meta) throws IOException {
- setMeta(meta == null ? null : meta.getLuid()); // must check the library
- }
-
- @Override
- public synchronized void setMeta(String luid) throws IOException {
- story = null;
- meta = getLibrary().getInfo(luid);
-
- if (meta == null) {
- throw new IOException("Cannot retrieve story from library: " + luid);
- }
- }
-
- @Override
- public synchronized void setMeta(URL url, Progress pg) throws IOException {
- BasicSupport support = BasicSupport.getSupport(url);
- if (support == null) {
- throw new IOException("URL not supported: " + url.toString());
- }
-
- story = support.process(pg);
- if (story == null) {
- throw new IOException(
- "Cannot retrieve story from external source: "
- + url.toString());
- }
-
- meta = story.getMeta();
- }
-
- @Override
- public int getChapter() {
- return chapter;
- }
-
- @Override
- public void setChapter(int chapter) {
- this.chapter = chapter;
- }
-
- /**
- * Return a new {@link BasicReader} ready for use if one is configured.
- * <p>
- * Can return NULL if none are configured.
- *
- * @return a {@link BasicReader}, or NULL if none configured
- */
- public static Reader getReader() {
- try {
- if (defaultType != null) {
- return (Reader) SerialUtils.createObject(defaultType
- .getTypeName());
- }
- } catch (Exception e) {
- Instance.getTraceHandler().error(
- new Exception("Cannot create a reader of type: "
- + defaultType + " (Not compiled in?)", e));
- }
-
- return null;
- }
-
- /**
- * The default {@link Reader.ReaderType} used when calling
- * {@link BasicReader#getReader()}.
- *
- * @return the default type
- */
- public static ReaderType getDefaultReaderType() {
- return defaultType;
- }
-
- /**
- * The default {@link Reader.ReaderType} used when calling
- * {@link BasicReader#getReader()}.
- *
- * @param defaultType
- * the new default type
- */
- public static void setDefaultReaderType(ReaderType defaultType) {
- BasicReader.defaultType = defaultType;
- }
-
- /**
- * Change the default {@link LocalLibrary} to open with the
- * {@link BasicReader}s.
- *
- * @param lib
- * the new {@link LocalLibrary}
- */
- public static void setDefaultLibrary(BasicLibrary lib) {
- BasicReader.defaultLibrary = lib;
- }
-
- /**
- * Return an {@link URL} from this {@link String}, be it a file path or an
- * actual {@link URL}.
- *
- * @param sourceString
- * the source
- *
- * @return the corresponding {@link URL}
- *
- * @throws MalformedURLException
- * if this is neither a file nor a conventional {@link URL}
- */
- public static URL getUrl(String sourceString) throws MalformedURLException {
- if (sourceString == null || sourceString.isEmpty()) {
- throw new MalformedURLException("Empty url");
- }
-
- URL source = null;
- try {
- source = new URL(sourceString);
- } catch (MalformedURLException e) {
- File sourceFile = new File(sourceString);
- source = sourceFile.toURI().toURL();
- }
-
- return source;
- }
-
- /**
- * Describe a {@link Story} from its {@link MetaData} and return a list of
- * title/value that represent this {@link Story}.
- *
- * @param meta
- * the {@link MetaData} to represent
- *
- * @return the information
- */
- public static List<Entry<String, String>> getMetaDesc(MetaData meta) {
- List<Entry<String, String>> metaDesc = new ArrayList<Entry<String, String>>();
-
- // TODO: i18n
-
- StringBuilder tags = new StringBuilder();
- for (String tag : meta.getTags()) {
- if (tags.length() > 0) {
- tags.append(", ");
- }
- tags.append(tag);
- }
-
- metaDesc.add(new SimpleEntry<String, String>("Author", meta.getAuthor()));
- metaDesc.add(new SimpleEntry<String, String>("Publication date",
- formatDate(meta.getDate())));
- metaDesc.add(new SimpleEntry<String, String>("Published on", meta
- .getPublisher()));
- metaDesc.add(new SimpleEntry<String, String>("URL", meta.getUrl()));
- metaDesc.add(new SimpleEntry<String, String>("Word count", format(meta
- .getWords())));
- metaDesc.add(new SimpleEntry<String, String>("Source", meta.getSource()));
- metaDesc.add(new SimpleEntry<String, String>("Subject", meta
- .getSubject()));
- metaDesc.add(new SimpleEntry<String, String>("Language", meta.getLang()));
- metaDesc.add(new SimpleEntry<String, String>("Tags", tags.toString()));
-
- return metaDesc;
- }
-
- /**
- * Open the {@link Story} with an external reader (the program will be
- * passed the main file associated with this {@link Story}).
- *
- * @param lib
- * the {@link BasicLibrary} to select the {@link Story} from
- * @param luid
- * the {@link Story} LUID
- * @param sync
- * execute the process synchronously (wait until it is terminated
- * before returning)
- *
- * @throws IOException
- * in case of I/O error
- */
- @Override
- public void openExternal(BasicLibrary lib, String luid, boolean sync)
- throws IOException {
- MetaData meta = lib.getInfo(luid);
- File target = lib.getFile(luid, null);
-
- openExternal(meta, target, sync);
- }
-
- /**
- * Open the {@link Story} with an external reader (the program will be
- * passed the given target file).
- *
- * @param meta
- * the {@link Story} to load
- * @param target
- * the target {@link File}
- * @param sync
- * execute the process synchronously (wait until it is terminated
- * before returning)
- *
- * @throws IOException
- * in case of I/O error
- */
- protected void openExternal(MetaData meta, File target, boolean sync)
- throws IOException {
- String program = null;
- if (meta.isImageDocument()) {
- program = Instance.getUiConfig().getString(
- UiConfig.IMAGES_DOCUMENT_READER);
- } else {
- program = Instance.getUiConfig().getString(
- UiConfig.NON_IMAGES_DOCUMENT_READER);
- }
-
- if (program != null && program.trim().isEmpty()) {
- program = null;
- }
-
- start(target, program, sync);
- }
-
- /**
- * Start a file and open it with the given program if given or the first
- * default system starter we can find.
- *
- * @param target
- * the target to open
- * @param program
- * the program to use or NULL for the default system starter
- * @param sync
- * execute the process synchronously (wait until it is terminated
- * before returning)
- *
- * @throws IOException
- * in case of I/O error
- */
- protected void start(File target, String program, boolean sync)
- throws IOException {
-
- Process proc = null;
- if (program == null) {
- boolean ok = false;
- for (String starter : new String[] { "xdg-open", "open", "see",
- "start", "run" }) {
- try {
- Instance.getTraceHandler().trace(
- "starting external program");
- proc = Runtime.getRuntime().exec(
- new String[] { starter, target.getAbsolutePath() });
- ok = true;
- break;
- } catch (IOException e) {
- }
- }
- if (!ok) {
- throw new IOException("Cannot find a program to start the file");
- }
- } else {
- Instance.getTraceHandler().trace("starting external program");
- proc = Runtime.getRuntime().exec(
- new String[] { program, target.getAbsolutePath() });
- }
-
- if (proc != null && sync) {
- while (proc.isAlive()) {
- try {
- Thread.sleep(100);
- } catch (InterruptedException e) {
- }
- }
- }
- }
-
- static private String format(long value) {
- String display = "";
-
- while (value > 0) {
- if (!display.isEmpty()) {
- display = "." + display;
- }
- display = (value % 1000) + display;
- value = value / 1000;
- }
-
- return display;
- }
-
- static private String formatDate(String date) {
- long ms = 0;
-
- try {
- ms = StringUtils.toTime(date);
- } catch (ParseException e) {
- }
-
- if (ms <= 0) {
- SimpleDateFormat sdf = new SimpleDateFormat(
- "yyyy-MM-dd'T'HH:mm:ssXXX");
- try {
- ms = sdf.parse(date).getTime();
- } catch (ParseException e) {
- }
- }
-
- if (ms > 0) {
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
- return sdf.format(new Date(ms));
- }
-
- // :(
- return date;
- }
-}