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From dav...@apache.org
Subject aries-containers git commit: OSGi-based demo.
Date Mon, 29 May 2017 14:46:59 GMT
Repository: aries-containers
Updated Branches:
  refs/heads/master e99817a18 -> 32d7d671e


OSGi-based demo.


Project: http://git-wip-us.apache.org/repos/asf/aries-containers/repo
Commit: http://git-wip-us.apache.org/repos/asf/aries-containers/commit/32d7d671
Tree: http://git-wip-us.apache.org/repos/asf/aries-containers/tree/32d7d671
Diff: http://git-wip-us.apache.org/repos/asf/aries-containers/diff/32d7d671

Branch: refs/heads/master
Commit: 32d7d671ec55139675f8db920bbb9963e5db5bad
Parents: e99817a
Author: David Bosschaert <davidb@apache.org>
Authored: Mon May 29 15:46:49 2017 +0100
Committer: David Bosschaert <davidb@apache.org>
Committed: Mon May 29 15:46:49 2017 +0100

----------------------------------------------------------------------
 .../containers-example-osgiservlet/pom.xml      |  66 ++++++++++
 .../examples/osgiservlet/MyServletContext.java  |  30 +++++
 .../osgiservlet/ServiceManagerServlet.java      | 119 +++++++++++++++++++
 3 files changed, 215 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/aries-containers/blob/32d7d671/containers-examples/containers-example-osgiservlet/pom.xml
----------------------------------------------------------------------
diff --git a/containers-examples/containers-example-osgiservlet/pom.xml b/containers-examples/containers-example-osgiservlet/pom.xml
new file mode 100644
index 0000000..8dc0764
--- /dev/null
+++ b/containers-examples/containers-example-osgiservlet/pom.xml
@@ -0,0 +1,66 @@
+<?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 xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.apache.aries.containers</groupId>
+        <artifactId>org.apache.aries.containers.parent</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../containers-parent</relativePath>
+    </parent>
+
+    <artifactId>org.apache.aries.containers.examples.osgiservlet</artifactId>
+    <packaging>jar</packaging>
+    <name>Container Example OSGi Servlet</name>
+    <description>A simple example OSGi bundle providing a basic servlet to interact
with Aries Containers</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>org.apache.aries.containers.api</artifactId>
+            <version>${project.version}</version>
+            <scope>provided</scope>
+        </dependency>
+        
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>javax.servlet-api</artifactId>
+            <version>3.0.1</version>
+            <scope>provided</scope>
+        </dependency>
+        
+        <dependency>
+            <groupId>org.osgi</groupId>
+            <artifactId>org.osgi.service.component.annotations</artifactId>
+            <version>1.3.0</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.osgi</groupId>
+            <artifactId>org.osgi.service.http.whiteboard</artifactId>
+            <version>1.0.0</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+</project>
+

http://git-wip-us.apache.org/repos/asf/aries-containers/blob/32d7d671/containers-examples/containers-example-osgiservlet/src/main/java/org/apache/aries/containers/examples/osgiservlet/MyServletContext.java
----------------------------------------------------------------------
diff --git a/containers-examples/containers-example-osgiservlet/src/main/java/org/apache/aries/containers/examples/osgiservlet/MyServletContext.java
b/containers-examples/containers-example-osgiservlet/src/main/java/org/apache/aries/containers/examples/osgiservlet/MyServletContext.java
new file mode 100644
index 0000000..74d8736
--- /dev/null
+++ b/containers-examples/containers-example-osgiservlet/src/main/java/org/apache/aries/containers/examples/osgiservlet/MyServletContext.java
@@ -0,0 +1,30 @@
+/*
+ * 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.aries.containers.examples.osgiservlet;
+
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.http.context.ServletContextHelper;
+import org.osgi.service.http.whiteboard.HttpWhiteboardConstants;
+
+@Component(service = ServletContextHelper.class, property = {
+        HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_NAME + "=" + MyServletContext.NAME,
+        HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_PATH + "=/containers" })
+public class MyServletContext extends ServletContextHelper {
+    public static final String NAME = "org.apache.aries.containers.examples.osgiservlet";
+}

http://git-wip-us.apache.org/repos/asf/aries-containers/blob/32d7d671/containers-examples/containers-example-osgiservlet/src/main/java/org/apache/aries/containers/examples/osgiservlet/ServiceManagerServlet.java
----------------------------------------------------------------------
diff --git a/containers-examples/containers-example-osgiservlet/src/main/java/org/apache/aries/containers/examples/osgiservlet/ServiceManagerServlet.java
b/containers-examples/containers-example-osgiservlet/src/main/java/org/apache/aries/containers/examples/osgiservlet/ServiceManagerServlet.java
new file mode 100644
index 0000000..5783718
--- /dev/null
+++ b/containers-examples/containers-example-osgiservlet/src/main/java/org/apache/aries/containers/examples/osgiservlet/ServiceManagerServlet.java
@@ -0,0 +1,119 @@
+/*
+ * 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.aries.containers.examples.osgiservlet;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.Arrays;
+
+import javax.servlet.Servlet;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.aries.containers.ServiceConfig;
+import org.apache.aries.containers.ServiceConfig.Builder;
+import org.apache.aries.containers.ServiceManager;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.http.whiteboard.HttpWhiteboardConstants;
+
+@Component(service = Servlet.class,
+    property = {HttpWhiteboardConstants.HTTP_WHITEBOARD_SERVLET_PATTERN + "=/manager",
+            HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_SELECT + "=(" +
+                    HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_NAME + "=" + MyServletContext.NAME
+ ")"
+    })
+public class ServiceManagerServlet extends HttpServlet {
+    private static final long serialVersionUID = 1L;
+
+    @Reference
+    ServiceManager serviceManager;
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException,
IOException {
+        resp.setContentType("text/html");
+
+        PrintWriter pw = resp.getWriter();
+        pw.println("<HTML>");
+        pw.println(getHeader());
+        pw.println("<BODY><H1>Service Deployments</H1>");
+
+        pw.println("<UL>");
+        try {
+            for (String dep : serviceManager.listServices()) {
+                pw.println("<LI>" + dep);
+            }
+        } catch (Exception e) {
+            throw new ServletException(e);
+        }
+        pw.println("</UL>");
+
+        pw.println("<FORM METHOD='POST'>New Container: <BR>"
+                + "<LABEL CLASS='l1' FOR='name'>Name: </LABEL><INPUT TYPE='text'
NAME='name' VALUE='myapache' CLASS='l1'><BR>"
+                + "<LABEL CLASS='l1' FOR='image'>Image: </LABEL><INPUT TYPE='text'
NAME='image' VALUE='httpd' CLASS='l1'><BR>"
+                + "<LABEL CLASS='l1' FOR='cpu'>CPU: </LABEL><INPUT TYPE='text'
NAME='cpu' VALUE='0.2' CLASS='l1'>units<BR>"
+                + "<LABEL CLASS='l1' FOR='memory'>Memory: </LABEL><INPUT TYPE='text'
NAME='memory' VALUE='64' CLASS='l1'>mb<BR>"
+                + "<LABEL CLASS='l1' FOR='ports'>Ports: </LABEL><INPUT TYPE='text'
NAME='ports' VALUE='80' CLASS='l1'>(space separated)<BR>"
+                + "<INPUT TYPE='submit' VALUE='create!'>");
+        pw.println("</FORM>");
+        pw.println("</BODY></HTML>");
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException,
IOException {
+        resp.setContentType("text/html");
+
+        String name = req.getParameter("name");
+        String image = req.getParameter("image");
+        double cpu = Double.parseDouble(req.getParameter("cpu"));
+        int memory = Integer.parseInt(req.getParameter("memory"));
+        int[] ports = Arrays.stream(req.getParameter("ports").split(" ")).mapToInt(Integer::parseInt).toArray();
+
+        Builder builder = ServiceConfig.builder(name, image).cpu(cpu).memory(memory);
+        for (int p : ports) {
+            builder.port(p);
+        }
+
+        try {
+            serviceManager.getService(builder.build());
+        } catch (Exception e) {
+            throw new ServletException(e);
+        }
+
+        PrintWriter pw = resp.getWriter();
+        pw.println("<HTML>");
+        pw.println(getHeader());
+        pw.println("<BODY><H1>Service Created!</H1>");
+        pw.println("<A HREF='manager'>List Services</A>");
+        pw.println("</BODY>");
+    }
+
+    private String getHeader() {
+        return ("<HEAD><TITLE>Service Deployments</TITLE>"
+                + "<STYLE>"
+                + "label.l1 {"
+//                + "  text-align: right;"
+                + "  width: 100px;"
+                + "  float: left;"
+                + "}"
+                + "</STYLE>"
+                + "</HEAD>");
+    }
+}


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