diff options
| author | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2010-07-02 22:02:39 +0000 |
|---|---|---|
| committer | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2010-07-02 22:02:39 +0000 |
| commit | 1890fd58ebfb9e82157337fe312842b22cd97fb1 (patch) | |
| tree | 29b49cbf534b1287f4e818aabead5327a8409829 /sca-java-2.x/trunk/samples/launcher-shell/src | |
| parent | fccdd6a87c4e9961153eb52e9b2b9f614ebb9724 (diff) | |
Add a sample shell program useful to start and stop SCA composites interactively.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@960122 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-2.x/trunk/samples/launcher-shell/src')
| -rw-r--r-- | sca-java-2.x/trunk/samples/launcher-shell/src/main/java/sample/Shell.java | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/sca-java-2.x/trunk/samples/launcher-shell/src/main/java/sample/Shell.java b/sca-java-2.x/trunk/samples/launcher-shell/src/main/java/sample/Shell.java new file mode 100644 index 0000000000..776b07e344 --- /dev/null +++ b/sca-java-2.x/trunk/samples/launcher-shell/src/main/java/sample/Shell.java @@ -0,0 +1,141 @@ +/*
+ * 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 sample;
+
+import static java.lang.System.in;
+import static java.lang.System.out;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.concurrent.Callable;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.io.IOException;
+import org.apache.tuscany.sca.node.Contribution;
+import org.apache.tuscany.sca.node.Node;
+import org.apache.tuscany.sca.node.NodeFactory;
+
+
+/**
+ * A little SCA command shell.
+ */
+public class Shell {
+ final NodeFactory nodeFactory = NodeFactory.newInstance();
+
+ public static class NodeInfo {
+ final String name;
+ final String curi;
+ final String cloc;
+ final Node node;
+
+ NodeInfo(final String name, final String curi, final String cloc, final Node node) {
+ this.name = name;
+ this.curi = curi;
+ this.cloc = cloc;
+ this.node = node;
+ }
+
+ public String toString() {
+ return name + " " + curi + " " + cloc;
+ }
+ }
+ final Map<String, NodeInfo> nodes = new HashMap<String, NodeInfo>();
+
+ final List<String> history = new ArrayList<String>();
+
+ public static void main(final String[] args) throws Exception {
+ new Shell().run();
+ }
+
+ boolean start(final String name, final String curi, final String cloc) {
+ final Node node = nodeFactory.createNode(new Contribution(curi, cloc));
+ nodes.put(name, new NodeInfo(name, curi, cloc, node));
+ node.start();
+ return true;
+ }
+
+ boolean stop(final String name) {
+ nodes.get(name).node.stop();
+ nodes.remove(name);
+ return true;
+ }
+
+ boolean status() {
+ out.println(nodes.values());
+ return true;
+ }
+
+ boolean history() {
+ for (String l: history)
+ out.println(l);
+ return true;
+ }
+
+ static boolean bye() {
+ return false;
+ }
+
+ List<String> read(final BufferedReader r) throws IOException {
+ out.print("=> ");
+ final String l = r.readLine();
+ history.add(l);
+ return Arrays.asList(l != null? l.split(" ") : "bye".split(" "));
+ }
+
+ Callable<Boolean> eval(final List<String> toks) {
+ final String op = toks.get(0);
+ if (op.equals("start")) return new Callable<Boolean>() { public Boolean call() {
+ return start(toks.get(1), toks.get(2), toks.get(3));
+ }};
+ if (op.equals("stop")) return new Callable<Boolean>() { public Boolean call() {
+ return stop(toks.get(1));
+ }};
+ if (op.equals("status")) return new Callable<Boolean>() { public Boolean call() {
+ return status();
+ }};
+ if (op.equals("history")) return new Callable<Boolean>() { public Boolean call() {
+ return history();
+ }};
+ if (op.equals("bye")) return new Callable<Boolean>() { public Boolean call() {
+ return bye();
+ }};
+ return new Callable<Boolean>() { public Boolean call() {
+ return true;
+ }};
+ }
+
+ boolean apply(final Callable<Boolean> func) {
+ try {
+ return func.call();
+ } catch (Exception e) {
+ e.printStackTrace();
+ return true;
+ }
+ }
+
+ public Map<String, NodeInfo> run() throws IOException {
+ final BufferedReader r = new BufferedReader(new InputStreamReader(in));
+ while(apply(eval(read(r))));
+ return nodes;
+ }
+}
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