Add JettyStaticResourceServer to policy-endpoints

Using DefaultServlet to manage static resources
on Jetty Server.

Issue-ID: POLICY-2311
Signed-off-by: Hengye <yehui.wang@est.tech>
Change-Id: Ife0eda06334eb0b6350110254945975050181f20

3 files changed, 157 insertions, 0 deletions

diff --git a/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/HttpServerTest.java b/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/HttpServerTest.java
index 0aec411b..e202b11b 100644
--- a/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/HttpServerTest.java
+++ b/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/HttpServerTest.java
@@ -3,6 +3,7 @@
  * ONAP
  * ================================================================================
  * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2020 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,12 +21,15 @@
 
 package org.onap.policy.common.endpoints.http.server.test;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.assertj.core.api.Assertions.catchThrowable;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
 import com.google.gson.Gson;
+
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.HttpURLConnection;
@@ -476,6 +480,103 @@ public class HttpServerTest {
         assertTrue(HttpServletServerFactoryInstance.getServerFactory().inventory().isEmpty());
     }
 
+    @Test
+    public void testSingleStaticResourceServer() throws Exception {
+        logger.info("-- testSingleStaticResourceServer() --");
+
+        HttpServletServer staticServer = HttpServletServerFactoryInstance.getServerFactory()
+                .buildStaticResourceServer("Static Resources Server", false, LOCALHOST, port, "/", true);
+        Throwable thrown = catchThrowable(() -> staticServer.addServletResource("/*", null));
+        assertThat(thrown).isInstanceOf(IllegalArgumentException.class)
+                .hasMessageContaining("No resourceBase provided");
+
+        staticServer.addServletResource(null,
+                HttpServerTest.class.getClassLoader().getResource("webapps/root").toExternalForm());
+
+        thrown = catchThrowable(() -> staticServer.addServletClass("/*", RestEchoService.class.getName()));
+        assertThat(thrown).isInstanceOf(UnsupportedOperationException.class)
+                .hasMessageContaining("is not supported on this type of jetty server");
+
+        thrown = catchThrowable(() -> staticServer.addServletPackage("/api/*", this.getClass().getPackage().getName()));
+        assertThat(thrown).isInstanceOf(UnsupportedOperationException.class)
+                .hasMessageContaining("is not supported on this type of jetty server");
+
+        thrown = catchThrowable(() -> staticServer.setSerializationProvider(MyGsonProvider.class.getName()));
+        assertThat(thrown).isInstanceOf(UnsupportedOperationException.class)
+                .hasMessageContaining("is not supported on this type of jetty server");
+
+        staticServer.waitedStart(5000);
+
+        assertTrue(HttpServletServerFactoryInstance.getServerFactory().get(port).isAlive());
+        assertEquals(1, HttpServletServerFactoryInstance.getServerFactory().inventory().size());
+
+        String response = http(portUrl);
+        assertThat(response).contains("Test Jetty Static Resources Root");
+
+        HttpServletServerFactoryInstance.getServerFactory().destroy(port);
+        assertEquals(0, HttpServletServerFactoryInstance.getServerFactory().inventory().size());
+    }
+
+    @Test
+    public void testMultiStaticResourceServer() throws Exception {
+        logger.info("-- testMultiStaticResourceServer() --");
+
+        HttpServletServer staticResourceServer = HttpServletServerFactoryInstance.getServerFactory()
+                .buildStaticResourceServer("Static Resources Server", false, LOCALHOST, port, "/", true);
+        staticResourceServer.addServletResource("/root/*",
+                HttpServerTest.class.getClassLoader().getResource("webapps/root").toExternalForm());
+        staticResourceServer.addServletResource("/alt-root/*",
+                HttpServerTest.class.getClassLoader().getResource("webapps/alt-root").toExternalForm());
+        staticResourceServer.waitedStart(5000);
+
+        assertTrue(HttpServletServerFactoryInstance.getServerFactory().get(port).isAlive());
+        assertEquals(1, HttpServletServerFactoryInstance.getServerFactory().inventory().size());
+
+        String response = http(portUrl + "/root/");
+        assertThat(response).contains("Test Jetty Static Resources Root");
+
+        response = http(portUrl + "/alt-root/");
+        assertThat(response).contains("Test Jetty Static Resources Alt-Root");
+
+        HttpServletServerFactoryInstance.getServerFactory().destroy(port);
+        assertEquals(0, HttpServletServerFactoryInstance.getServerFactory().inventory().size());
+    }
+
+    @Test
+    public void testMultiTypesServer() throws Exception {
+        logger.info("-- testMultiTypesServer() --");
+
+        HttpServletServer staticResourceServer = HttpServletServerFactoryInstance.getServerFactory()
+                .buildStaticResourceServer("Static Resources Server", false, LOCALHOST, port, "/", true);
+        staticResourceServer.addServletResource("/root/*",
+                HttpServerTest.class.getClassLoader().getResource("webapps/root").toExternalForm());
+        staticResourceServer.waitedStart(5000);
+
+        int port2 = port + 1;
+        HttpServletServer jerseyServer =
+                HttpServletServerFactoryInstance.getServerFactory().build("echo", LOCALHOST, port2, "/", false, true);
+        jerseyServer.addServletPackage("/api/*", this.getClass().getPackage().getName());
+
+        Throwable thrown = catchThrowable(() -> jerseyServer.addServletResource("/root/*",
+                HttpServerTest.class.getClassLoader().getResource("webapps/root").toExternalForm()));
+        assertThat(thrown).isInstanceOf(UnsupportedOperationException.class)
+                .hasMessageContaining("is not supported on this type of jetty server");
+
+        jerseyServer.waitedStart(5000);
+
+        assertTrue(HttpServletServerFactoryInstance.getServerFactory().get(port).isAlive());
+        assertEquals(2, HttpServletServerFactoryInstance.getServerFactory().inventory().size());
+
+        String response = http(portUrl + "/root/");
+        assertThat(response).contains("Test Jetty Static Resources Root");
+
+        response = http(LOCALHOST_PREFIX + port2 + "/api" + JUNIT_ECHO_HELLO);
+        assertEquals(HELLO, response);
+
+        HttpServletServerFactoryInstance.getServerFactory().destroy();
+        assertEquals(0, HttpServletServerFactoryInstance.getServerFactory().inventory().size());
+    }
+
     /**
      * performs an http request.
      *
diff --git a/policy-endpoints/src/test/resources/webapps/alt-root/index.html b/policy-endpoints/src/test/resources/webapps/alt-root/index.html
new file mode 100644
index 00000000..0948cebd
--- /dev/null
+++ b/policy-endpoints/src/test/resources/webapps/alt-root/index.html
@@ -0,0 +1,28 @@
+<!--
+  ============LICENSE_START=======================================================
+   Copyright (C) 2020 Nordix Foundation.
+  ================================================================================
+  Licensed 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.
+
+  SPDX-License-Identifier: Apache-2.0
+  ============LICENSE_END=========================================================
+-->
+
+<html>
+    <head>
+        <title>Hello World</title>
+    </head>
+    <body>
+        <h4>Test Jetty Static Resources Alt-Root</h4>
+    </body>
+</html>
\ No newline at end of file
diff --git a/policy-endpoints/src/test/resources/webapps/root/index.html b/policy-endpoints/src/test/resources/webapps/root/index.html
new file mode 100644
index 00000000..a7cc120b
--- /dev/null
+++ b/policy-endpoints/src/test/resources/webapps/root/index.html
@@ -0,0 +1,28 @@
+<!--
+  ============LICENSE_START=======================================================
+   Copyright (C) 2020 Nordix Foundation.
+  ================================================================================
+  Licensed 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.
+
+  SPDX-License-Identifier: Apache-2.0
+  ============LICENSE_END=========================================================
+-->
+
+<html>
+    <head>
+        <title>Hello World</title>
+    </head>
+    <body>
+        <h4>Test Jetty Static Resources Root</h4>
+    </body>
+</html>
\ No newline at end of file