The Tor Browser: mobile/android/base/sync/InfoCounts.java@fc2d59ddac77

     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/. */

     5 package org.mozilla.gecko.sync;

     7 import java.util.Collections;

     8 import java.util.HashMap;

     9 import java.util.Map;

    10 import java.util.Map.Entry;

    11 import java.util.Set;

    13 import org.mozilla.gecko.background.common.log.Logger;

    15 public class InfoCounts {

    16   static final String LOG_TAG = "InfoCounts";

    18   /**

    19    * Counts fetched from the server, or <code>null</code> if not yet fetched.

    20    */

    21   private Map<String, Integer> counts = null;

    23   @SuppressWarnings("unchecked")

    24   public InfoCounts(final ExtendedJSONObject record) {

    25     Logger.debug(LOG_TAG, "info/collection_counts is " + record.toJSONString());

    26     HashMap<String, Integer> map = new HashMap<String, Integer>();

    28     Set<Entry<String, Object>> entrySet = record.object.entrySet();

    30     String key;

    31     Object value;

    33     for (Entry<String, Object> entry : entrySet) {

    34       key = entry.getKey();

    35       value = entry.getValue();

    37       if (value instanceof Integer) {

    38         map.put(key, (Integer) value);

    39         continue;

    40       }

    42       if (value instanceof Long) {

    43         map.put(key, ((Long) value).intValue());

    44         continue;

    45       }

    47       Logger.warn(LOG_TAG, "Skipping info/collection_counts entry for " + key);

    48     }

    50     this.counts = Collections.unmodifiableMap(map);

    51   }

    53   /**

    54    * Return the server count for the given collection, or null if the counts

    55    * have not been fetched or the given collection does not have a count.

    56    *

    57    * @param collection

    58    *          The collection to inspect.

    59    * @return the number of elements in the named collection.

    60    */

    61   public Integer getCount(String collection) {

    62     if (counts == null) {

    63       return null;

    64     }

    65     return counts.get(collection);

    66   }

    67 }

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