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