Copy trunk samples to sanbox to experiment with renames and moves

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@998905 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 251 insertions, 0 deletions

diff --git a/sandbox/samples/running-tuscany/launcher-shell/src/main/java/sample/Shell.java b/sandbox/samples/running-tuscany/launcher-shell/src/main/java/sample/Shell.java
new file mode 100644
index 0000000000..d0d8fb5dfe
--- /dev/null
+++ b/sandbox/samples/running-tuscany/launcher-shell/src/main/java/sample/Shell.java
@@ -0,0 +1,203 @@
+/*

+ * 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 static java.util.Collections.emptyList;

+import static java.util.Collections.singletonList;

+

+import java.io.BufferedReader;

+import java.io.IOException;

+import java.io.InputStreamReader;

+import java.io.PrintWriter;

+import java.io.StringWriter;

+import java.util.ArrayList;

+import java.util.Arrays;

+import java.util.HashMap;

+import java.util.List;

+import java.util.Map;

+import java.util.concurrent.Callable;

+

+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 nf;

+

+    public static class Nodeconf {

+        final String name;

+        final String cloc;

+        final String dcuri;

+        final Node node;

+

+        Nodeconf(final String name, final String cloc, final String dcuri, final Node node) {

+            this.name = name;

+            this.cloc = cloc;

+            this.dcuri = dcuri;

+            this.node = node;

+        }

+

+        public String toString() {

+            return name + " " + cloc + (dcuri != null? " " + dcuri : "");

+        }

+    }

+

+    final Map<String, Nodeconf> nodes = new HashMap<String, Nodeconf>();

+    final List<String> history = new ArrayList<String>();

+

+    public Shell(NodeFactory nf) {

+        this.nf = nf;

+    }

+

+    List<?> start(final String name, final String cloc, final String dcuri) {

+        if(nodes.containsKey(name))

+            return emptyList();

+        final Node node = dcuri != null? nf.createNode(dcuri, new Contribution(cloc, cloc)) : nf.createNode(new Contribution(cloc, cloc));

+        nodes.put(name, new Nodeconf(name, cloc, dcuri, node));

+        node.start();

+        return emptyList();

+    }

+

+    List<?> stop(final String name) {

+        final Nodeconf ninfo = nodes.get(name);

+        if(ninfo == null)

+            return emptyList();

+        ninfo.node.stop();

+        nodes.remove(name);

+        return emptyList();

+    }

+

+    List<?> stop() {

+        for(Nodeconf ninfo: nodes.values())

+            ninfo.node.stop();

+        nodes.clear();

+        return emptyList();

+    }

+

+    List<?> restart(final String name, final String cloc, final String dcuri) {

+        final Nodeconf ninfo = nodes.get(name);

+        if(ninfo == null)

+            return start(name, cloc, dcuri);

+        ninfo.node.stop();

+        nodes.remove(name);

+        if (cloc == null)

+            return start(ninfo.name, ninfo.cloc, ninfo.dcuri);

+        return start(name, cloc, dcuri);

+    }

+

+    List<?> status() {

+        return new ArrayList<Object>(nodes.values());

+    }

+

+    List<?> history() {

+        return history;

+    }

+

+    List<?> bye() {

+        return null;

+    }

+

+    List<String> read(final BufferedReader r) throws IOException {

+        final String l = r.readLine();

+        history.add(l);

+        return l != null ? Arrays.asList(l.split(" ")) : singletonList("bye");

+    }

+

+    Callable<List<?>> eval(final List<String> toks) {

+        final String op = toks.get(0);

+        if(op.equals("start"))

+            return new Callable<List<?>>() {

+                public List<?> call() {

+                    return start(toks.get(1), toks.get(2), toks.size() >= 4? toks.get(3) : null);

+                }

+            };

+        if(op.equals("stop"))

+            return new Callable<List<?>>() {

+                public List<?> call() {

+                    if(toks.size() == 1)

+                        return stop();

+                    return stop(toks.get(1));

+                }

+            };

+        if(op.equals("restart"))

+            return new Callable<List<?>>() {

+                public List<?> call() {

+                    return restart(toks.get(1), toks.size() >= 3? toks.get(2) : null, toks.size() >= 4? toks.get(3) : null);

+                }

+            };

+        if(op.equals("status"))

+            return new Callable<List<?>>() {

+                public List<?> call() {

+                    return status();

+                }

+            };

+        if(op.equals("history"))

+            return new Callable<List<?>>() {

+                public List<?> call() {

+                    return history();

+                }

+            };

+        if(op.equals("bye"))

+            return new Callable<List<?>>() {

+                public List<?> call() {

+                    return bye();

+                }

+            };

+        return new Callable<List<?>>() {

+            public List<?> call() {

+                return emptyList();

+            }

+        };

+    }

+

+    List<?> apply(final Callable<List<?>> func) {

+        try {

+            return func.call();

+        } catch(Exception e) {

+            StringWriter sw = new StringWriter();

+            e.printStackTrace(new PrintWriter(sw));

+            return singletonList(sw);

+        }

+    }

+

+    boolean print(final List<?> l, PrintWriter w) {

+        if(l == null)

+            return false;

+        for(Object o: l)

+            w.println(o);

+        return true;

+    }

+

+    public Map<String, Nodeconf> run(final BufferedReader r, final PrintWriter w) throws IOException {

+        while(print(apply(eval(read(r))), w))

+            ;

+        r.close();

+        return nodes;

+    }

+

+    public static void main(final String[] args) throws Exception {

+        new Shell(NodeFactory.newInstance()).run(new BufferedReader(new InputStreamReader(in)), new PrintWriter(out, true));

+    }

+}

diff --git a/sandbox/samples/running-tuscany/launcher-shell/src/main/java/sample/ShellServlet.java b/sandbox/samples/running-tuscany/launcher-shell/src/main/java/sample/ShellServlet.java
new file mode 100644
index 0000000000..55aadbd09b
--- /dev/null
+++ b/sandbox/samples/running-tuscany/launcher-shell/src/main/java/sample/ShellServlet.java
@@ -0,0 +1,48 @@
+/*
+ * 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 java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.URL;
+
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.tuscany.sca.host.webapp.WebAppHelper;
+
+public class ShellServlet extends HttpServlet {
+    static final long serialVersionUID = 1L;
+
+    Shell shell;
+
+    public void init() {
+        shell = new Shell(WebAppHelper.getNodeFactory());
+    }
+
+    public void destroy() {
+        shell.stop();
+    }
+
+    protected void doGet(final HttpServletRequest req, final HttpServletResponse resp) throws IOException {
+        shell.run(new BufferedReader(new InputStreamReader(new URL(req.getParameter("conf")).openStream())), resp.getWriter());
+    }
+}