Github user JamesRTaylor commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/75#discussion_r28934392
--- Diff:
phoenix-core/src/main/java/org/apache/phoenix/schema/json/PhoenixJson.java ---
@@ -0,0 +1,216 @@
+package org.apache.phoenix.schema.json;
+
+import java.io.IOException;
+import java.sql.SQLException;
+
+import org.apache.hadoop.hbase.util.Bytes;
+import org.codehaus.jackson.JsonFactory;
+import org.codehaus.jackson.JsonNode;
+import org.codehaus.jackson.JsonParseException;
+import org.codehaus.jackson.JsonParser;
+import org.codehaus.jackson.JsonParser.Feature;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.node.ValueNode;
+
+import com.google.common.base.Preconditions;
+
+/**
+ * The {@link PhoenixJson} wraps json and uses Jackson library to parse
and traverse the json. It
+ * should be used to represent the JSON data type and also should be used
to parse Json data and
+ * read the value from it. It always conside the last value if same key
exist more than once.
+ */
+public class PhoenixJson {
+ private final JsonNode node;
+ private String jsonAsString;
+
+ /**
+ * Static Factory method to get an {@link PhoenixJson} object. It also
validates the json and
+ * throws {@link JsonParseException} if it is invalid with line number
and character, which
+ * should be wrapped in {@link SQLException} by caller.
+ * @param data Buffer that contains data to parse
+ * @param offset Offset of the first data byte within buffer
+ * @param length Length of contents to parse within buffer
+ * @return {@link PhoenixJson}.
+ * @throws JsonParseException
+ * @throws IOException
+ */
+ public static PhoenixJson getPhoenixJson(byte[] jsonData, int offset,
int length)
+ throws JsonParseException, IOException {
--- End diff --
Probably best to throw a SQLException here with the JsonParseException or
IOException nested inside. Perhaps create an INVALID_JSON_DATA exception in
SQLExceptionCode that you can use for the JsonParseException.
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