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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.sync;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.mozilla.gecko.background.common.log.Logger;
public class InfoCounts {
static final String LOG_TAG = "InfoCounts";
/**
* Counts fetched from the server, or <code>null</code> if not yet fetched.
*/
private Map<String, Integer> counts = null;
@SuppressWarnings("unchecked")
public InfoCounts(final ExtendedJSONObject record) {
Logger.debug(LOG_TAG, "info/collection_counts is " + record.toJSONString());
HashMap<String, Integer> map = new HashMap<String, Integer>();
Set<Entry<String, Object>> entrySet = record.object.entrySet();
String key;
Object value;
for (Entry<String, Object> entry : entrySet) {
key = entry.getKey();
value = entry.getValue();
if (value instanceof Integer) {
map.put(key, (Integer) value);
continue;
}
if (value instanceof Long) {
map.put(key, ((Long) value).intValue());
continue;
}
Logger.warn(LOG_TAG, "Skipping info/collection_counts entry for " + key);
}
this.counts = Collections.unmodifiableMap(map);
}
/**
* Return the server count for the given collection, or null if the counts
* have not been fetched or the given collection does not have a count.
*
* @param collection
* The collection to inspect.
* @return the number of elements in the named collection.
*/
public Integer getCount(String collection) {
if (counts == null) {
return null;
}
return counts.get(collection);
}
}
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