Warning removal

Signed-off-by: Emmanuel Bigeon <emmanuel@bigeon.fr>

gclc-swt/src/main/java/net/bigeon/gclc/swt/ConsoleOutputDisplay.java

@@ -0,0 +1,16 @@
+/**
+ * 
+ */
+package net.bigeon.gclc.swt;
+
+/** The common interface for console display.
+ * 
+ * @author Emmanuel Bigeon */
+public interface ConsoleOutputDisplay {
+
+    /** Append a line to the display.
+     * 
+     * @param m the line content */
+    void appendLine(String m);
+
+}

gclc-swt/src/main/java/net/bigeon/gclc/swt/ConsoleOutputManager.java

@@ -4,34 +4,45 @@
 package net.bigeon.gclc.swt;
 
 import org.eclipse.swt.widgets.Text;
+import org.eclipse.swt.widgets.Widget;
 
 import net.bigeon.gclc.utils.AOutputForwardRunnable;
 import net.bigeon.gclc.utils.PipedConsoleOutput;
 
-/** @author Emmanuel Bigeon */
-public final class ConsoleOutputManager {
-    /** The local implementation of the forwarding runnable
+/** The manager for console output to insert in a text.
+ * 
+ * @author Emmanuel Bigeon */
+public final class ConsoleOutputManager implements ConsoleOutputDisplay {
+    /** The local implementation of the forwarding runnable.
      *
      * @author Emmanuel Bigeon */
-    private final class ToSWTConsoleForwardRunnable extends AOutputForwardRunnable {
+    public static final class ToSWTConsoleForwardRunnable extends AOutputForwardRunnable {
         /** The running status */
-        private boolean                  running = true;
-        private final PipedConsoleOutput out;
+        private boolean                    running = true;
+        private final PipedConsoleOutput   out;
+        private final ConsoleOutputDisplay display;
+        private final Widget               element;
 
-        /** @param manager the manager */
-        public ToSWTConsoleForwardRunnable(final PipedConsoleOutput manager) {
+        /** @param manager the manager
+         * @param display the display
+         * @param element the composite */
+        public ToSWTConsoleForwardRunnable(final PipedConsoleOutput manager,
+                                           final ConsoleOutputDisplay display,
+                                           final Widget element) {
             super(manager);
             out = manager;
+            this.display = display;
+            this.element = element;
         }
 
         @Override
         protected void forwardLine(final String m) {
-            appendConsoleOutput(System.lineSeparator() + m);
+            display.appendLine(m);
         }
 
         @Override
         protected boolean isRunning() {
-            return running && !text.isDisposed();
+            return running && !element.isDisposed();
         }
 
         /** @param running the running to set */
@@ -57,11 +68,15 @@ public final class ConsoleOutputManager {
     }
 
     /** @param next the next message */
-    public void appendConsoleOutput(final String next) {
+    @Override
+    public void appendLine(final String next) {
         text.getDisplay().syncExec(new Runnable() {
             @SuppressWarnings("synthetic-access")
             @Override
             public void run() {
+                if (!text.getText().isEmpty()) {
+                    text.append(System.lineSeparator());
+                }
                 text.append(next);
             }
         });
@@ -82,7 +97,7 @@ public final class ConsoleOutputManager {
             forwardThread = null;
             return;
         }
-        forward = new ToSWTConsoleForwardRunnable(output);
+        forward = new ToSWTConsoleForwardRunnable(output, this, text);
         forwardThread = new Thread(forward, "gclcToSWT"); //$NON-NLS-1$
         forwardThread.start();
     }

gclc-swt/src/main/java/net/bigeon/gclc/swt/PromptReadingRunnable.java

@@ -5,19 +5,42 @@ package net.bigeon.gclc.swt;
 
 import java.io.BufferedReader;
 import java.io.IOException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import org.eclipse.swt.widgets.Label;
 
-/**
- * @author Emmanuel Bigeon
+/** The runnable forwarding prompts from a buffered input to a label.
  * 
- */
+ * @author Emmanuel Bigeon */
 public class PromptReadingRunnable implements Runnable {
 
+    private static final Logger  LOGGER  = Logger
+            .getLogger(PromptReadingRunnable.class.getName());
     private final BufferedReader reader;
     private final Label          view;
     private boolean              running = true;
 
+    private static class LabelUpdater implements Runnable {
+        private final Label  label;
+        private final String content;
+
+        /** @param label the label
+         * @param content the content */
+        public LabelUpdater(final Label label, final String content) {
+            super();
+            this.label = label;
+            this.content = content;
+        }
+
+        /* (non-Javadoc)
+         * @see java.lang.Runnable#run() */
+        @Override
+        public void run() {
+            label.setText(content);
+        }
+    }
+
     /** @param reader the reader
      * @param view the view to update on lines. */
     public PromptReadingRunnable(final BufferedReader reader, final Label view) {
@@ -27,24 +50,16 @@ public class PromptReadingRunnable implements Runnable {
     }
 
     /* (non-Javadoc)
-     * @see java.lang.Runnable#run()
-     */
+     * @see java.lang.Runnable#run() */
     @Override
     public void run() {
         String prompt;
         try {
             while (isRunning() && (prompt = reader.readLine()) != null) {
-                final String curPrompt = prompt;
-                view.getDisplay().syncExec(new Runnable() {
-                    @Override
-                    public void run() {
-                        view.setText(curPrompt);
-                    }
-                });
+                view.getDisplay().syncExec(new LabelUpdater(view, prompt));
             }
         } catch (final IOException e) {
-            // TODO Auto-generated catch block
-            e.printStackTrace();
+            LOGGER.log(Level.INFO, "Prompt cannot be read, or was prematuraly closed", e);
         }
     }