diff options
author | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2010-08-29 18:32:20 +0000 |
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committer | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2010-08-29 18:32:20 +0000 |
commit | e6c733c4d9d9116216c0a0105b770267918a12f9 (patch) | |
tree | 4bab614eec77bcfffa469b7165dd6c1dddb2ec99 /sandbox/sebastien/java/embed/modules/shell/src/main/java/org/apache/tuscany/sca/shell/jline/JLine.java | |
parent | 6dea67b43eb0b18d1c603ff3df6a4702a4f1e847 (diff) |
Sandbox to experiment with different ways to embed the runtime.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@990620 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sandbox/sebastien/java/embed/modules/shell/src/main/java/org/apache/tuscany/sca/shell/jline/JLine.java')
-rw-r--r-- | sandbox/sebastien/java/embed/modules/shell/src/main/java/org/apache/tuscany/sca/shell/jline/JLine.java | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/embed/modules/shell/src/main/java/org/apache/tuscany/sca/shell/jline/JLine.java b/sandbox/sebastien/java/embed/modules/shell/src/main/java/org/apache/tuscany/sca/shell/jline/JLine.java new file mode 100644 index 0000000000..e8fcd627e2 --- /dev/null +++ b/sandbox/sebastien/java/embed/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 + } + } +} |