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author | 2017-04-27 07:53:18 -0400 | |
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committer | 2017-04-27 08:31:27 -0400 | |
commit | 6beb446925c967aca92f5513adf36c5db77c00d6 (patch) | |
tree | 9392057ed0739de2445c5b2a2a8bee6dcdacbcf7 /ecomp-sdk/epsdk-app-common/src/main/java/org/openecomp/portalapp/controller/core/ManifestController.java | |
parent | 246b225194e3e8dc1926294de591a94fd9787fa7 (diff) |
[PORTAL-7] Rebase
This rebasing includes common libraries and common overlays projects
abstraction of components
Change-Id: Ia1efa4deacdc5701e6205104ac021a6c80ed60ba
Signed-off-by: st782s <statta@research.att.com>
Diffstat (limited to 'ecomp-sdk/epsdk-app-common/src/main/java/org/openecomp/portalapp/controller/core/ManifestController.java')
-rw-r--r-- | ecomp-sdk/epsdk-app-common/src/main/java/org/openecomp/portalapp/controller/core/ManifestController.java | 111 |
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; + } + } + +} |