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https://issues.apache.org/jira/browse/HAWQ-178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15124316#comment-15124316
]
ASF GitHub Bot commented on HAWQ-178:
-------------------------------------
Github user hornn commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/302#discussion_r51323277
--- Diff:
pxf/pxf-json/src/test/java/org/apache/pxf/hawq/plugins/json/PxfUnit.java ---
@@ -0,0 +1,666 @@
+package org.apache.pxf.hawq.plugins.json;
+
+/*
+ * 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.
+ */
+
+import java.io.BufferedReader;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.lang.reflect.Constructor;
+import java.security.InvalidParameterException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hawq.pxf.api.Fragment;
+import org.apache.hawq.pxf.api.Fragmenter;
+import org.apache.hawq.pxf.api.OneField;
+import org.apache.hawq.pxf.api.OneRow;
+import org.apache.hawq.pxf.api.ReadAccessor;
+import org.apache.hawq.pxf.api.ReadResolver;
+import org.apache.hawq.pxf.api.WriteAccessor;
+import org.apache.hawq.pxf.api.WriteResolver;
+import org.apache.hawq.pxf.api.io.DataType;
+import org.apache.hawq.pxf.api.utilities.InputData;
+import org.apache.hawq.pxf.service.FragmentsResponse;
+import org.apache.hawq.pxf.service.FragmentsResponseFormatter;
+import org.apache.hawq.pxf.service.utilities.ProtocolData;
+import org.codehaus.jackson.JsonFactory;
+import org.codehaus.jackson.JsonNode;
+import org.codehaus.jackson.JsonParseException;
+import org.codehaus.jackson.map.JsonMappingException;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.junit.Assert;
+
+/**
+ * This abstract class contains a number of helpful utilities in
developing a PXF extension for HAWQ. Extend this class
+ * and use the various <code>assert</code> methods to check given input
against known output.
+ */
+public abstract class PxfUnit {
+
+ private static JsonFactory factory = new JsonFactory();
+ private static ObjectMapper mapper = new ObjectMapper(factory);
+
+ protected static List<InputData> inputs = null;
+
+ /**
+ * Uses the given input directory to run through the PXF unit testing
framework. Uses the lines in the file for
+ * output testing.
+ *
+ * @param input
+ * Input records
+ * @param expectedOutput
+ * File containing output to check
+ * @throws Exception
+ */
+ public void assertOutput(Path input, Path expectedOutput) throws
Exception {
+
+ BufferedReader rdr = new BufferedReader(new
InputStreamReader(FileSystem.get(new Configuration()).open(
--- End diff --
close the resources in the end of the function
> Add JSON plugin support in code base
> ------------------------------------
>
> Key: HAWQ-178
> URL: https://issues.apache.org/jira/browse/HAWQ-178
> Project: Apache HAWQ
> Issue Type: New Feature
> Components: PXF
> Reporter: Goden Yao
> Assignee: Goden Yao
> Fix For: backlog
>
> Attachments: PXFJSONPluginforHAWQ2.0andPXF3.0.0.pdf
>
>
> JSON has been a popular format used in HDFS as well as in the community,
> there has been a few JSON PXF plugins developed by the community and we'd
> like to see it being incorporated into the code base as an optional package.
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