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https://issues.apache.org/jira/browse/KNOX-2226?focusedWorklogId=386213&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-386213
 ]

ASF GitHub Bot logged work on KNOX-2226:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 12/Feb/20 20:34
            Start Date: 12/Feb/20 20:34
    Worklog Time Spent: 10m 
      Work Description: risdenk commented on pull request #263: [WIP] KNOX-2226 
- Add home page to Knox
URL: https://github.com/apache/knox/pull/263#discussion_r378491849
 
 

 ##########
 File path: 
knox-homepage-backend/src/main/java/org/apache/knox/homepage/GeneralProxyInformationMarshaller.java
 ##########
 @@ -0,0 +1,89 @@
+/*
+ * 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.homepage;
+
+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.JAXBException;
+import javax.xml.bind.Marshaller;
+
+import org.eclipse.persistence.jaxb.JAXBContextFactory;
+import org.eclipse.persistence.jaxb.JAXBContextProperties;
+
+@Provider
+@Produces({ MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
+public class GeneralProxyInformationMarshaller implements 
MessageBodyWriter<GeneralProxyInformation>{
+  private static Marshaller xmlMarshaller;
+  private static Marshaller jsonMarshaller;
+
+  @Override
+  public boolean isWriteable(Class<?> type, Type genericType, Annotation[] 
annotations, MediaType mediaType) {
+    return GeneralProxyInformation.class == type;
+  }
+
+  @Override
+  public long getSize(GeneralProxyInformation t, Class<?> type, Type 
genericType, Annotation[] annotations, MediaType mediaType) {
+    return -1;
+  }
+
+  @Override
+  public void writeTo(GeneralProxyInformation instance, Class<?> type, Type 
genericType, Annotation[] annotations, MediaType mediaType,
+      MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) 
throws IOException, WebApplicationException {
+    try {
+      getMarshaller(mediaType).marshal(instance, entityStream);
+    } catch (JAXBException e) {
+      throw new IOException(e);
+    }
+  }
+
+  private Marshaller getMarshaller(MediaType mediaType) throws JAXBException {
+    return 
MediaType.APPLICATION_JSON_TYPE.getSubtype().equals(mediaType.getSubtype()) ? 
getJsonMarshaller() : getXmlMarshaller();
+  }
+
+  private synchronized Marshaller getXmlMarshaller() throws JAXBException {
 
 Review comment:
   Need to make sure this is a safe marshaller and we aren't open to XML 
issues. I thought we had a class to handle a lot of this complexity.
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 386213)
    Time Spent: 1h 10m  (was: 1h)

> Add home page to Knox
> ---------------------
>
>                 Key: KNOX-2226
>                 URL: https://issues.apache.org/jira/browse/KNOX-2226
>             Project: Apache Knox
>          Issue Type: New Feature
>          Components: AdminUI
>    Affects Versions: 1.3.0
>            Reporter: Sandor Molnar
>            Assignee: Sandor Molnar
>            Priority: Major
>              Labels: UI
>             Fix For: 1.4.0
>
>         Attachments: OnePager-Apache_Knox_Home_Page.pdf
>
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> The lack of a home or landing page for Knox leaves users without a well-known 
> place to discover the URLs for the various UIs and APIs that are being 
> exposed for access by the gateway.
> This results in the need for QuickLinks in management applications like 
> Ambari and Cloudera Manager to be rewritten to express the proxied URLs. This 
> also results in the need for users to have to continue to go to these 
> management applications for end-user URLs which is often not even appropriate.
> This proposal is for adding a Home page to Apache Knox which will present the 
> various URLs in ways that are intuitive for being able to consume the proxied 
> resources.



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