[
https://issues.apache.org/jira/browse/KNOX-1914?focusedWorklogId=316695&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-316695
]
ASF GitHub Bot logged work on KNOX-1914:
----------------------------------------
Author: ASF GitHub Bot
Created on: 23/Sep/19 14:09
Start Date: 23/Sep/19 14:09
Worklog Time Spent: 10m
Work Description: smolnar82 commented on pull request #147: KNOX-1914 -
New admin API to be used by the UI to fetch available service discovery types
URL: https://github.com/apache/knox/pull/147#discussion_r327135607
##########
File path:
gateway-service-admin/src/main/java/org/apache/knox/gateway/service/admin/ServiceDiscoveryCollectionMarshaller.java
##########
@@ -0,0 +1,70 @@
+/*
+ * 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.knox.gateway.service.admin;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Type;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.ws.rs.Produces;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.ext.MessageBodyWriter;
+import javax.ws.rs.ext.Provider;
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.Marshaller;
+
+import
org.apache.knox.gateway.service.admin.ServiceDiscoveryResource.ServiceDiscoveryWrapper;
+import org.eclipse.persistence.jaxb.JAXBContextProperties;
+
+@Provider
+@Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+public class ServiceDiscoveryCollectionMarshaller implements
MessageBodyWriter<ServiceDiscoveryResource.ServiceDiscoveryWrapper> {
+
+ @Override
+ public boolean isWriteable(Class<?> type, Type genericType, Annotation[]
annotations, MediaType mediaType) {
+ return ServiceDiscoveryResource.ServiceDiscoveryWrapper.class == type;
+ }
+
+ @Override
+ public long getSize(ServiceDiscoveryWrapper t, Class<?> type, Type
genericType, Annotation[] annotations, MediaType mediaType) {
+ return -1;
+ }
+
+ @Override
+ public void writeTo(ServiceDiscoveryResource.ServiceDiscoveryWrapper
instance, Class<?> type, Type genericType, Annotation[] annotations, MediaType
mediaType,
+ MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream)
throws IOException, WebApplicationException {
+ try {
+ final Map<String, Object> properties = new HashMap<>(1);
+ properties.put(JAXBContextProperties.MEDIA_TYPE, mediaType.toString());
+ final JAXBContext context = JAXBContext.newInstance(new Class[] {
ServiceDiscoveryResource.ServiceDiscoveryWrapper.class }, properties);
Review comment:
As discussed; I'll leave it as-is for now.
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Issue Time Tracking
-------------------
Worklog Id: (was: 316695)
Time Spent: 1h 40m (was: 1.5h)
> Dynamic population of Admin UI service discovery type options
> -------------------------------------------------------------
>
> Key: KNOX-1914
> URL: https://issues.apache.org/jira/browse/KNOX-1914
> Project: Apache Knox
> Issue Type: Bug
> Components: AdminUI
> Affects Versions: 1.3.0
> Reporter: Phil Zampino
> Assignee: Sandor Molnar
> Priority: Major
> Fix For: 1.4.0
>
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> The Discovery Details section of the Admin UI for working with descriptors
> includes a drop-down list of supported discovery providers (e.g., Ambari,
> ClouderaManager). Currently, this list is statically defined in the Admin UI.
> It should be possible to expose an API from the Knox host for determining the
> list of supported discovery providers.
> This API could leverage the same Java service loader mechanism that is used
> by the discovery runtime to load discovery providers.
> This would be nice for two closely-related reasons:
> # Subsequent additional discovery providers implemented in the Knox project
> itself won't require further Admin UI changes.
> # User/Customer discovery provider extensions would get Admin UI support
> automatically.
>
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