1 files changed, 111 insertions, 0 deletions
diff --git a/ecomp-sdk/epsdk-app-common/src/main/java/org/openecomp/portalapp/controller/core/ManifestController.java b/ecomp-sdk/epsdk-app-common/src/main/java/org/openecomp/portalapp/controller/core/ManifestController.java
new file mode 100644
index 00000000..ae212b50
--- /dev/null
+++ b/ecomp-sdk/epsdk-app-common/src/main/java/org/openecomp/portalapp/controller/core/ManifestController.java
@@ -0,0 +1,111 @@
+/*-
+ * ================================================================================
+ * ECOMP Portal SDK
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property
+ * ================================================================================
+ * 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.
+ * ================================================================================
+ */
+package org.openecomp.portalapp.controller.core;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
+
+import javax.servlet.ServletContext;
+import javax.servlet.http.HttpServletRequest;
+
+import org.openecomp.portalsdk.core.controller.RestrictedBaseController;
+import org.openecomp.portalsdk.core.logging.logic.EELFLoggerDelegate;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * This controller responds to a request for the web application manifest,
+ * returning a JSON with the information that was created at build time.
+ * 
+ * Manifest entries have names with hyphens, which means Javascript code can't
+ * simply use the shorthand object.key; instead use object['key'].
+ */
+@RestController
+@RequestMapping("/")
+public class ManifestController extends RestrictedBaseController {
+
+	private EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(ManifestController.class);
+
+	/**
+	 * Required to obtain the webapp manifest.
+	 */
+	@Autowired
+	private ServletContext context;
+
+	/** Path to resource on classpath */
+	private final String MANIFEST_RESOURCE_PATH = "/META-INF/MANIFEST.MF";
+
+	/**
+	 * Gets the content of the webapp manifest file META-INF/MANIFEST.MF.
+	 * 
+	 * @return Attributes object with key-value pairs from the manifest
+	 * @throws IOException
+	 */
+	private Attributes getWebappManifest() throws IOException {
+		// Manifest is formatted as Java-style properties
+		InputStream inputStream = context.getResourceAsStream(MANIFEST_RESOURCE_PATH);
+		if (inputStream == null)
+			throw new IOException("getWebappManifest: failed to get resource at path " + MANIFEST_RESOURCE_PATH);
+		Manifest manifest = new Manifest(inputStream);
+		inputStream.close();
+		return manifest.getMainAttributes();
+	}
+
+	/**
+	 * Gets the webapp manifest contents as a JSON object.
+	 * 
+	 * @param request
+	 * @return A map of key-value pairs. On success:
+	 * 
+	 *         <pre>
+	 * { 
+	 * 	 "key1": "value1", 
+	 *   "key2": "value2" 
+	 * }
+	 *         </pre>
+	 * 
+	 *         On failure:
+	 * 
+	 *         <pre>
+	 * { "error": "message" }
+	 *         </pre>
+	 */
+	@RequestMapping(value = { "/manifest" }, method = RequestMethod.GET, produces = "application/json")
+	@ResponseBody
+	public Map<Object, Object> getManifest(HttpServletRequest request) {
+		try {
+			Attributes attributes = getWebappManifest();
+			return attributes;
+		} catch (Exception ex) {
+			logger.error(EELFLoggerDelegate.errorLogger, "getManifest failed", ex);
+			Map<Object, Object> response = new HashMap<Object, Object>();
+			response.put("error", "failed to get manifest: " + ex.toString());
+			return response;
+		}
+	}
+
+}