mobile/android/base/sync/InfoCounts.java

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/base/sync/InfoCounts.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,67 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +package org.mozilla.gecko.sync;
     1.9 +
    1.10 +import java.util.Collections;
    1.11 +import java.util.HashMap;
    1.12 +import java.util.Map;
    1.13 +import java.util.Map.Entry;
    1.14 +import java.util.Set;
    1.15 +
    1.16 +import org.mozilla.gecko.background.common.log.Logger;
    1.17 +
    1.18 +public class InfoCounts {
    1.19 +  static final String LOG_TAG = "InfoCounts";
    1.20 +
    1.21 +  /**
    1.22 +   * Counts fetched from the server, or <code>null</code> if not yet fetched.
    1.23 +   */
    1.24 +  private Map<String, Integer> counts = null;
    1.25 +
    1.26 +  @SuppressWarnings("unchecked")
    1.27 +  public InfoCounts(final ExtendedJSONObject record) {
    1.28 +    Logger.debug(LOG_TAG, "info/collection_counts is " + record.toJSONString());
    1.29 +    HashMap<String, Integer> map = new HashMap<String, Integer>();
    1.30 +
    1.31 +    Set<Entry<String, Object>> entrySet = record.object.entrySet();
    1.32 +
    1.33 +    String key;
    1.34 +    Object value;
    1.35 +
    1.36 +    for (Entry<String, Object> entry : entrySet) {
    1.37 +      key = entry.getKey();
    1.38 +      value = entry.getValue();
    1.39 +
    1.40 +      if (value instanceof Integer) {
    1.41 +        map.put(key, (Integer) value);
    1.42 +        continue;
    1.43 +      }
    1.44 +
    1.45 +      if (value instanceof Long) {
    1.46 +        map.put(key, ((Long) value).intValue());
    1.47 +        continue;
    1.48 +      }
    1.49 +
    1.50 +      Logger.warn(LOG_TAG, "Skipping info/collection_counts entry for " + key);
    1.51 +    }
    1.52 +
    1.53 +    this.counts = Collections.unmodifiableMap(map);
    1.54 +  }
    1.55 +
    1.56 +  /**
    1.57 +   * Return the server count for the given collection, or null if the counts
    1.58 +   * have not been fetched or the given collection does not have a count.
    1.59 +   *
    1.60 +   * @param collection
    1.61 +   *          The collection to inspect.
    1.62 +   * @return the number of elements in the named collection.
    1.63 +   */
    1.64 +  public Integer getCount(String collection) {
    1.65 +    if (counts == null) {
    1.66 +      return null;
    1.67 +    }
    1.68 +    return counts.get(collection);
    1.69 +  }
    1.70 +}

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