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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 org.mozilla.gecko.background.common.log.Logger;
import org.mozilla.gecko.sync.net.AuthHeaderProvider;
import android.content.SharedPreferences;
public class PersistedMetaGlobal {
public static final String LOG_TAG = "PersistedMetaGlobal";
public static final String META_GLOBAL_SERVER_RESPONSE_BODY = "metaGlobalServerResponseBody";
public static final String META_GLOBAL_LAST_MODIFIED = "metaGlobalLastModified";
protected SharedPreferences prefs;
public PersistedMetaGlobal(SharedPreferences prefs) {
this.prefs = prefs;
}
/**
* Sets a <code>MetaGlobal</code> from persisted prefs.
*
* @param metaUrl
* meta/global server URL
* @param credentials
* Sync credentials
*
* @return <MetaGlobal> set from previously fetched meta/global record from
* server
*/
public MetaGlobal metaGlobal(String metaUrl, AuthHeaderProvider authHeaderProvider) {
String json = prefs.getString(META_GLOBAL_SERVER_RESPONSE_BODY, null);
if (json == null) {
return null;
}
MetaGlobal metaGlobal = null;
try {
CryptoRecord cryptoRecord = CryptoRecord.fromJSONRecord(json);
MetaGlobal mg = new MetaGlobal(metaUrl, authHeaderProvider);
mg.setFromRecord(cryptoRecord);
metaGlobal = mg;
} catch (Exception e) {
Logger.warn(LOG_TAG, "Got exception decrypting persisted meta/global.", e);
}
return metaGlobal;
}
public void persistMetaGlobal(MetaGlobal metaGlobal) {
if (metaGlobal == null) {
Logger.debug(LOG_TAG, "Clearing persisted meta/global.");
prefs.edit().remove(META_GLOBAL_SERVER_RESPONSE_BODY).commit();
return;
}
try {
CryptoRecord cryptoRecord = metaGlobal.asCryptoRecord();
String json = cryptoRecord.toJSONString();
Logger.debug(LOG_TAG, "Persisting meta/global.");
prefs.edit().putString(META_GLOBAL_SERVER_RESPONSE_BODY, json).commit();
} catch (Exception e) {
Logger.warn(LOG_TAG, "Got exception encrypting while persisting meta/global.", e);
}
}
public long lastModified() {
return prefs.getLong(META_GLOBAL_LAST_MODIFIED, -1);
}
public void persistLastModified(long lastModified) {
if (lastModified <= 0) {
Logger.debug(LOG_TAG, "Clearing persisted meta/global last modified timestamp.");
prefs.edit().remove(META_GLOBAL_LAST_MODIFIED).commit();
return;
}
Logger.debug(LOG_TAG, "Persisting meta/global last modified timestamp " + lastModified + ".");
prefs.edit().putLong(META_GLOBAL_LAST_MODIFIED, lastModified).commit();
}
public void purge() {
persistLastModified(-1);
persistMetaGlobal(null);
}
}
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