com.tsgrp.opencontent.hbase.utilities

Class HBaseJSONUtil

java.lang.Object

com.tsgrp.opencontent.hbase.utilities.HBaseJSONUtil

public class HBaseJSONUtil
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
HBaseJSONUtil()

Method Summary

Modifier and Type	Method and Description
static void	appendToJSONArrayProperty(java.lang.String ticket, org.json.JSONObject jsonToAppend, java.lang.String objectId, java.lang.String columnFamily, java.lang.String qualifier) Appends the JSONObject passed in onto the existing JSON in the property and saves it to the repo.
static org.json.JSONArray	convertBytesToJSONArray(byte[] bytes) Helper method to convert the bytes to JSON.
static org.json.JSONArray	getJSONArrayProperty(java.lang.String objectId, java.lang.String columnFamily, java.lang.String qualifier) Parse the value of the requested field from HBase into an HBase array and return the result
static void	setJSONArrayProperty(java.lang.String ticket, org.json.JSONArray json, java.lang.String objectId, java.lang.String columnFamily, java.lang.String qualifier) Sets the json array passed in as the value of the requested attribute in HBase.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HBaseJSONUtil

public HBaseJSONUtil()

Method Detail

appendToJSONArrayProperty

public static void appendToJSONArrayProperty(java.lang.String ticket,
                                             org.json.JSONObject jsonToAppend,
                                             java.lang.String objectId,
                                             java.lang.String columnFamily,
                                             java.lang.String qualifier)

Appends the JSONObject passed in onto the existing JSON in the property and saves it to the repo. If there are no existing values, it adds this one as the first item in a new JSONArray and sets the property.

Parameters:

ticket -

jsonToAppend -

objectId -

columnFamily -

qualifier -

setJSONArrayProperty

public static void setJSONArrayProperty(java.lang.String ticket,
                                        org.json.JSONArray json,
                                        java.lang.String objectId,
                                        java.lang.String columnFamily,
                                        java.lang.String qualifier)

Sets the json array passed in as the value of the requested attribute in HBase. Overwrites the existing value with the new value passed in. Use appendToJSONArrayProperty(String, JSONObject, String, String, String) if you want to just append an item to the existing value as a new item in the JSON array.

Parameters:

ticket -

json - JSON to put in the attribute value

objectId -

columnFamily - cf that the attribute belongs to

qualifier - the attribute name to put the JSON into

getJSONArrayProperty

public static org.json.JSONArray getJSONArrayProperty(java.lang.String objectId,
                                                      java.lang.String columnFamily,
                                                      java.lang.String qualifier)

Parse the value of the requested field from HBase into an HBase array and return the result

Parameters:

objectId -

columnFamily -

qualifier -

Returns:

convertBytesToJSONArray

public static org.json.JSONArray convertBytesToJSONArray(byte[] bytes)
                                                  throws org.json.JSONException

Helper method to convert the bytes to JSON. Returns an empty array if there is no value in the field. Handles the legacy and new ways of storing the bytes

Parameters:

bytes -

Returns:

Throws:

org.json.JSONException