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mobile/android/base/background/healthreport/HealthReportUtils.java@fc2d59ddac77 (annotated)

mobile/android/base/background/healthreport/HealthReportUtils.java

Wed, 31 Dec 2014 07:22:50 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 07:22:50 +0100

branch

TOR_BUG_3246

changeset 4

fc2d59ddac77

permissions

-rw-r--r--

Correct previous dual key logic pending first delivery installment.

michael@0	1	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	2	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	3	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	4
michael@0	5	package org.mozilla.gecko.background.healthreport;
michael@0	6
michael@0	7	import java.util.HashSet;
michael@0	8	import java.util.Iterator;
michael@0	9	import java.util.Set;
michael@0	10	import java.util.SortedSet;
michael@0	11	import java.util.TreeSet;
michael@0	12	import java.util.UUID;
michael@0	13
michael@0	14	import org.json.JSONArray;
michael@0	15	import org.json.JSONException;
michael@0	16	import org.json.JSONObject;
michael@0	17	import org.mozilla.apache.commons.codec.digest.DigestUtils;
michael@0	18
michael@0	19	import android.content.ContentUris;
michael@0	20	import android.net.Uri;
michael@0	21
michael@0	22	public class HealthReportUtils {
michael@0	23	public static final String LOG_TAG = HealthReportUtils.class.getSimpleName();
michael@0	24
michael@0	25	public static String getEnvironmentHash(final String input) {
michael@0	26	return DigestUtils.shaHex(input);
michael@0	27	}
michael@0	28
michael@0	29	/**
michael@0	30	* Take an environment URI (one that identifies an environment) and produce an
michael@0	31	* event URI.
michael@0	32	*
michael@0	33	* That this is needed is tragic.
michael@0	34	*
michael@0	35	* @param environmentURI
michael@0	36	* the {@link Uri} returned by an environment operation.
michael@0	37	* @return a {@link Uri} to which insertions can be dispatched.
michael@0	38	*/
michael@0	39	public static Uri getEventURI(Uri environmentURI) {
michael@0	40	return environmentURI.buildUpon().path("/events/" + ContentUris.parseId(environmentURI) + "/").build();
michael@0	41	}
michael@0	42
michael@0	43	/**
michael@0	44	* Copy the keys from the provided {@link JSONObject} into the provided {@link Set}.
michael@0	45	*/
michael@0	46	private static <T extends Set<String>> T intoKeySet(T keys, JSONObject o) {
michael@0	47	if (o == null || o == JSONObject.NULL) {
michael@0	48	return keys;
michael@0	49	}
michael@0	50
michael@0	51	@SuppressWarnings("unchecked")
michael@0	52	Iterator<String> it = o.keys();
michael@0	53	while (it.hasNext()) {
michael@0	54	keys.add(it.next());
michael@0	55	}
michael@0	56	return keys;
michael@0	57	}
michael@0	58
michael@0	59	/**
michael@0	60	* Produce a {@link SortedSet} containing the string keys of the provided
michael@0	61	* object.
michael@0	62	*
michael@0	63	* @param o a {@link JSONObject} with string keys.
michael@0	64	* @return a sorted set.
michael@0	65	*/
michael@0	66	public static SortedSet<String> sortedKeySet(JSONObject o) {
michael@0	67	return intoKeySet(new TreeSet<String>(), o);
michael@0	68	}
michael@0	69
michael@0	70	/**
michael@0	71	* Produce a {@link Set} containing the string keys of the provided object.
michael@0	72	* @param o a {@link JSONObject} with string keys.
michael@0	73	* @return an unsorted set.
michael@0	74	*/
michael@0	75	public static Set<String> keySet(JSONObject o) {
michael@0	76	return intoKeySet(new HashSet<String>(), o);
michael@0	77	}
michael@0	78
michael@0	79	/**
michael@0	80	* Just like {@link JSONObject#accumulate(String, Object)}, but doesn't do the wrong thing for single values.
michael@0	81	* @throws JSONException
michael@0	82	*/
michael@0	83	public static void append(JSONObject o, String key, Object value) throws JSONException {
michael@0	84	if (!o.has(key)) {
michael@0	85	JSONArray arr = new JSONArray();
michael@0	86	arr.put(value);
michael@0	87	o.put(key, arr);
michael@0	88	return;
michael@0	89	}
michael@0	90	Object dest = o.get(key);
michael@0	91	if (dest instanceof JSONArray) {
michael@0	92	((JSONArray) dest).put(value);
michael@0	93	return;
michael@0	94	}
michael@0	95	JSONArray arr = new JSONArray();
michael@0	96	arr.put(dest);
michael@0	97	arr.put(value);
michael@0	98	o.put(key, arr);
michael@0	99	}
michael@0	100
michael@0	101	/**
michael@0	102	* Accumulate counts for how often each provided value occurs.
michael@0	103	*
michael@0	104	* <code>
michael@0	105	* HealthReportUtils.count(o, "foo", "bar");
michael@0	106	* </code>
michael@0	107	*
michael@0	108	* will change
michael@0	109	*
michael@0	110	* <pre>
michael@0	111	* {"foo", {"bar": 1}}
michael@0	112	* </pre>
michael@0	113	*
michael@0	114	* into
michael@0	115	*
michael@0	116	* <pre>
michael@0	117	* {"foo", {"bar": 2}}
michael@0	118	* </pre>
michael@0	119	*
michael@0	120	*/
michael@0	121	public static void count(JSONObject o, String key,
michael@0	122	String value) throws JSONException {
michael@0	123	if (!o.has(key)) {
michael@0	124	JSONObject counts = new JSONObject();
michael@0	125	counts.put(value, 1);
michael@0	126	o.put(key, counts);
michael@0	127	return;
michael@0	128	}
michael@0	129	JSONObject dest = o.getJSONObject(key);
michael@0	130	dest.put(value, dest.optInt(value, 0) + 1);
michael@0	131	}
michael@0	132
michael@0	133	public static String generateDocumentId() {
michael@0	134	return UUID.randomUUID().toString();
michael@0	135	}
michael@0	136	}