Add progress reporting on GUI
[fanfix.git] / src / be / nikiroo / fanfix / reader / BasicReader.java
index eeb00af1c6ff2f5439af6c4bdfbe9bd8669142e4..0bcfd931e1b505da7e28fb43897a46a839f17ab4 100644 (file)
@@ -1,18 +1,21 @@
 package be.nikiroo.fanfix.reader;
 
+import java.io.File;
 import java.io.IOException;
+import java.net.MalformedURLException;
 import java.net.URL;
 
 import be.nikiroo.fanfix.Instance;
 import be.nikiroo.fanfix.Library;
+import be.nikiroo.fanfix.bundles.Config;
 import be.nikiroo.fanfix.data.Story;
 import be.nikiroo.fanfix.supported.BasicSupport;
-import be.nikiroo.fanfix.supported.BasicSupport.SupportType;
+import be.nikiroo.utils.Progress;
 
 /**
- * Command line {@link Story} reader.
+ * The class that handles the different {@link Story} readers you can use.
  * <p>
- * Will output stories to the console.
+ * All the readers should be accessed via {@link BasicReader#getReader()}.
  * 
  * @author niki
  */
@@ -24,12 +27,23 @@ public abstract class BasicReader {
                LOCAL
        }
 
-       private static ReaderType defaultType;
+       private static ReaderType defaultType = ReaderType.CLI;
        private Story story;
        private ReaderType type;
 
+       /**
+        * Take the default reader type configuration from the config file.
+        */
        static {
-               // TODO: default type from config
+               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
+                       }
+               }
        }
 
        /**
@@ -67,11 +81,14 @@ public abstract class BasicReader {
         * 
         * @param luid
         *            the {@link Story} ID
+        * @param pg
+        *            the optional progress reporter
+        * 
         * @throws IOException
         *             in case of I/O error
         */
-       public void setStory(String luid) throws IOException {
-               story = Instance.getLibrary().getStory(luid);
+       public void setStory(String luid, Progress pg) throws IOException {
+               story = Instance.getLibrary().getStory(luid, pg);
                if (story == null) {
                        throw new IOException("Cannot retrieve story from library: " + luid);
                }
@@ -82,16 +99,19 @@ public abstract class BasicReader {
         * 
         * @param source
         *            the {@link Story} {@link URL}
+        * @param pg
+        *            the optional progress reporter
+        * 
         * @throws IOException
         *             in case of I/O error
         */
-       public void setStory(URL source) throws IOException {
+       public void setStory(URL source, Progress pg) throws IOException {
                BasicSupport support = BasicSupport.getSupport(source);
                if (support == null) {
                        throw new IOException("URL not supported: " + source.toString());
                }
 
-               story = support.process(source);
+               story = support.process(source, pg);
                if (story == null) {
                        throw new IOException(
                                        "Cannot retrieve story from external source: "
@@ -125,19 +145,28 @@ public abstract class BasicReader {
         *            the type of {@link Story} to take into account, or NULL for
         *            all
         */
-       public abstract void start(SupportType type);
+       public abstract void start(String type);
 
        /**
-        * Return a new {@link BasicReader} ready for use.
+        * Return a new {@link BasicReader} ready for use if one is configured.
+        * <p>
+        * Can return NULL if none are configured.
         * 
-        * @return a {@link BasicReader}
+        * @return a {@link BasicReader}, or NULL if none configured
         */
        public static BasicReader getReader() {
-               switch (defaultType) {
-               // case LOCAL:
-               // return new LocalReader().setType(ReaderType.LOCAL);
-               case CLI:
-                       return new CliReader().setType(ReaderType.CLI);
+               try {
+                       if (defaultType != null) {
+                               switch (defaultType) {
+                               case LOCAL:
+                                       return new LocalReader().setType(ReaderType.LOCAL);
+                               case CLI:
+                                       return new CliReader().setType(ReaderType.CLI);
+                               }
+                       }
+               } catch (IOException e) {
+                       Instance.syserr(new Exception("Cannot create a reader of type: "
+                                       + defaultType, e));
                }
 
                return null;
@@ -163,4 +192,32 @@ public abstract class BasicReader {
        public static void setDefaultReaderType(ReaderType defaultType) {
                BasicReader.defaultType = defaultType;
        }
+
+       /**
+        * 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;
+       }
 }