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

sca-java-2.x/trunk/samples/launcher-shell/README

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+Sample Tuscany Shell
+====================
+
+This directory contains a sample shell program supporting simple commands to
+start and stop SCA composites.
+
+To build the sample shell do this:
+mvn install
+mvn dependency copy-dependencies
+
+To run it:
+./sca
+
+at the prompt:
+start myNode mySampleContrib ../contribution-implementation-java-calculator/target/classes
+
+or:
+start myNode mySampleContrib http://people.apache.org/~jsdelfino/tuscany/java/test/sample-contribution-binding-ws-calculator.jar
+
+also try:
+status
+stop myNode
+bye
+
+Starting and stopping composites is pretty fast. To see that, try the following
+two scripts, which start/stop a sample composite 10 times.
+
+./sca <sca-test
+or
+./sca <sca-test-remote
+

sca-java-2.x/trunk/samples/launcher-shell/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    * 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.    
+-->
+<project>
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.apache.tuscany.sca</groupId>
+        <artifactId>tuscany-sca</artifactId>
+        <version>2.0-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+    <artifactId>sample-launcher-shell</artifactId>
+    <name>Apache Tuscany SCA Sample Launcher Shell</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-feature-api</artifactId>
+            <type>pom</type>
+            <version>2.0-SNAPSHOT</version>
+        </dependency>  
+        
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-feature-core</artifactId>
+            <type>pom</type>
+            <version>2.0-SNAPSHOT</version>
+        </dependency> 
+        
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-feature-webservice</artifactId>
+            <type>pom</type>
+            <version>2.0-SNAPSHOT</version>
+        </dependency>
+        
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-feature-ejava</artifactId>
+            <type>pom</type>
+            <version>2.0-SNAPSHOT</version>
+        </dependency>
+                
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.8.1</version>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+       <finalName>${artifactId}</finalName>
+
+       <plugins>
+         
+       </plugins>
+    </build>
+</project>

sca-java-2.x/trunk/samples/launcher-shell/sca

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+#!/bin/bash
+java -classpath `find target -name "*.jar" | awk '{ printf "%s:", $1 }'` sample.Shell

sca-java-2.x/trunk/samples/launcher-shell/sca-test

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+start foo c1 ../contribution-implementation-java-calculator/target/classes
+stop foo
+start foo c1 ../contribution-implementation-java-calculator/target/classes
+stop foo
+start foo c1 ../contribution-implementation-java-calculator/target/classes
+stop foo
+start foo c1 ../contribution-implementation-java-calculator/target/classes
+stop foo
+start foo c1 ../contribution-implementation-java-calculator/target/classes
+stop foo
+start foo c1 ../contribution-implementation-java-calculator/target/classes
+stop foo
+start foo c1 ../contribution-implementation-java-calculator/target/classes
+stop foo
+start foo c1 ../contribution-implementation-java-calculator/target/classes
+stop foo
+start foo c1 ../contribution-implementation-java-calculator/target/classes
+stop foo
+start foo c1 ../contribution-implementation-java-calculator/target/classes
+stop foo

sca-java-2.x/trunk/samples/launcher-shell/sca-test-remote

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+start foo c1 http://people.apache.org/~jsdelfino/tuscany/java/test/sample-contribution-binding-ws-calculator.jar
+stop foo
+start foo c1 http://people.apache.org/~jsdelfino/tuscany/java/test/sample-contribution-binding-ws-calculator.jar
+stop foo
+start foo c1 http://people.apache.org/~jsdelfino/tuscany/java/test/sample-contribution-binding-ws-calculator.jar
+stop foo
+start foo c1 http://people.apache.org/~jsdelfino/tuscany/java/test/sample-contribution-binding-ws-calculator.jar
+stop foo
+start foo c1 http://people.apache.org/~jsdelfino/tuscany/java/test/sample-contribution-binding-ws-calculator.jar
+stop foo
+start foo c1 http://people.apache.org/~jsdelfino/tuscany/java/test/sample-contribution-binding-ws-calculator.jar
+stop foo
+start foo c1 http://people.apache.org/~jsdelfino/tuscany/java/test/sample-contribution-binding-ws-calculator.jar
+stop foo
+start foo c1 http://people.apache.org/~jsdelfino/tuscany/java/test/sample-contribution-binding-ws-calculator.jar
+stop foo
+start foo c1 http://people.apache.org/~jsdelfino/tuscany/java/test/sample-contribution-binding-ws-calculator.jar
+stop foo
+start foo c1 http://people.apache.org/~jsdelfino/tuscany/java/test/sample-contribution-binding-ws-calculator.jar
+stop foo

sca-java-2.x/trunk/samples/launcher-shell/src/main/java/sample/Shell.java

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+/*
+ * 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;
+    }
+}