org.solovyev.android.messenger.accounts.AccountSyncDataImpl.java Source code

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Here is the source code for org.solovyev.android.messenger.accounts.AccountSyncDataImpl.java

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/*
 * Copyright 2013 serso aka se.solovyev
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.solovyev.android.messenger.accounts;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.ISODateTimeFormat;
import org.solovyev.common.JObject;

class AccountSyncDataImpl extends JObject implements MutableAccountSyncData {

    @Nullable
    private DateTime lastContactsSyncDate;

    @Nullable
    private DateTime lastChatsSyncDate;

    @Nullable
    private DateTime lastUserIconsSyncDate;

    private AccountSyncDataImpl() {
    }

    AccountSyncDataImpl(@Nullable DateTime lastContactsSyncDate, @Nullable DateTime lastChatsSyncDate,
            @Nullable DateTime lastUserIconsSyncDate) {
        this.lastContactsSyncDate = lastContactsSyncDate;
        this.lastChatsSyncDate = lastChatsSyncDate;
        this.lastUserIconsSyncDate = lastUserIconsSyncDate;
    }

    @Nonnull
    static AccountSyncDataImpl newInstance(@Nullable DateTime lastContactsSyncDate,
            @Nullable DateTime lastChatsSyncDate, @Nullable DateTime lastUserIconsSyncDate) {
        return new AccountSyncDataImpl(lastContactsSyncDate, lastChatsSyncDate, lastUserIconsSyncDate);
    }

    @Nonnull
    static AccountSyncDataImpl copyOf(@Nonnull AccountSyncData accountSyncData) {
        return new AccountSyncDataImpl(accountSyncData.getLastContactsSyncDate(),
                accountSyncData.getLastChatsSyncDate(), accountSyncData.getLastUserIconsSyncData());
    }

    @Nonnull
    static AccountSyncDataImpl newInstance(@Nullable String lastContactsSyncDateString,
            @Nullable String lastChatsSyncDateString, @Nullable String lastUserIconsSyncDateString) {
        final DateTimeFormatter dateTimeFormatter = ISODateTimeFormat.basicDateTime();
        final DateTime lastContactsSyncDate = lastContactsSyncDateString == null ? null
                : dateTimeFormatter.parseDateTime(lastContactsSyncDateString);
        final DateTime lastChatsSyncDate = lastChatsSyncDateString == null ? null
                : dateTimeFormatter.parseDateTime(lastChatsSyncDateString);
        final DateTime lastUserIconsSyncDate = lastUserIconsSyncDateString == null ? null
                : dateTimeFormatter.parseDateTime(lastUserIconsSyncDateString);
        return AccountSyncDataImpl.newInstance(lastContactsSyncDate, lastChatsSyncDate, lastUserIconsSyncDate);
    }

    @Override
    @Nullable
    public DateTime getLastContactsSyncDate() {
        return lastContactsSyncDate;
    }

    @Nullable
    @Override
    public DateTime getLastChatsSyncDate() {
        return lastChatsSyncDate;
    }

    @Override
    public DateTime getLastUserIconsSyncData() {
        return lastUserIconsSyncDate;
    }

    @Nonnull
    @Override
    public MutableAccountSyncData updateChatsSyncDate() {
        final AccountSyncDataImpl clone = this.clone();
        clone.lastChatsSyncDate = DateTime.now();
        return clone;
    }

    @Nonnull
    @Override
    public MutableAccountSyncData updateContactsSyncDate() {
        final AccountSyncDataImpl clone = this.clone();
        clone.lastContactsSyncDate = DateTime.now();
        return clone;
    }

    @Nonnull
    @Override
    public MutableAccountSyncData updateUserIconsSyncDate() {
        final AccountSyncDataImpl clone = this.clone();
        clone.lastUserIconsSyncDate = DateTime.now();
        return clone;
    }

    @Override
    public boolean isFirstSyncDone() {
        return getLastContactsSyncDate() != null;
    }

    @Nonnull
    @Override
    public AccountSyncDataImpl clone() {
        // dates are immutable => can leave links as is
        return (AccountSyncDataImpl) super.clone();
    }
}