1 files changed, 80 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/shell/src/main/java/org/apache/tuscany/sca/shell/jline/JLine.java b/sca-java-2.x/tags/2.0.1-RC1/modules/shell/src/main/java/org/apache/tuscany/sca/shell/jline/JLine.java
new file mode 100644
index 0000000000..e8fcd627e2
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/shell/src/main/java/org/apache/tuscany/sca/shell/jline/JLine.java
@@ -0,0 +1,80 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.shell.jline;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.util.LinkedList;
+import java.util.List;
+
+import jline.Completor;
+import jline.ConsoleReader;
+
+import org.apache.tuscany.sca.shell.Shell;
+
+/**
+ * Keep all the JLine specific code out of the Shell class so that it runs ok
+ * when jline isn't on the classpath.  
+ */
+public class JLine {
+
+    public static String readLine(Object r) throws IOException {
+        return ((ConsoleReader)r).readLine();
+    }
+    
+    public static Object createJLineReader(final Shell shell) throws IOException {
+        ConsoleReader reader = new ConsoleReader();
+        fixCtrlC(reader);
+        // Add a Ctrl-c listener
+        reader.addTriggeredAction((char)3, new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+                shell.bye();
+                System.exit(0);
+            }
+        });
+        reader.setBellEnabled(false);
+        // TODO: write a Completor specific to this that can handle the individual command arguments
+        List<Completor> completors = new LinkedList<Completor>();
+//        completors.add(new SimpleCompletor(Shell.COMMANDS));
+//        completors.add(new ICURICompletor(shell.node));
+//        completors.add(new FileNameCompletor());
+//        reader.addCompletor(new ArgumentCompletor(completors));
+        reader.addCompletor(new TShellCompletor(shell));
+        return reader;
+    }
+
+    /**
+     * The windowsbindings.properties shipped inside jline maps ctrl-c to INSERT 
+     * with the comment "(frankly, I wasn't sure where to bind this)". That does not
+     * seem a great choice as it disables ctrl-c interupt so this resets that binding.
+     */
+    private static void fixCtrlC(ConsoleReader reader) {
+        try {
+            Field f = ConsoleReader.class.getDeclaredField("keybindings");
+            f.setAccessible(true);
+            short[] keybindings = (short[])f.get(reader);
+            if (keybindings[3] == -48) keybindings[3] = 3;
+        } catch (Exception e) {
+            e.printStackTrace(); // shouldnt happen
+        }
+    }
+}