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/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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 com.android.contacts.common.model.account;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.provider.BaseColumns;
import android.provider.ContactsContract;
import android.provider.ContactsContract.RawContacts;
import android.text.TextUtils;
import java.util.Objects;
/** Encapsulates an "account type" string and a "data set" string. */
public class AccountTypeWithDataSet {
private static final String[] ID_PROJECTION = new String[] {BaseColumns._ID};
private static final Uri RAW_CONTACTS_URI_LIMIT_1 =
RawContacts.CONTENT_URI
.buildUpon()
.appendQueryParameter(ContactsContract.LIMIT_PARAM_KEY, "1")
.build();
/** account type. Can be null for fallback type. */
public final String accountType;
/** dataSet may be null, but never be "". */
public final String dataSet;
private AccountTypeWithDataSet(String accountType, String dataSet) {
this.accountType = TextUtils.isEmpty(accountType) ? null : accountType;
this.dataSet = TextUtils.isEmpty(dataSet) ? null : dataSet;
}
public static AccountTypeWithDataSet get(String accountType, String dataSet) {
return new AccountTypeWithDataSet(accountType, dataSet);
}
/**
* Return true if there are any contacts in the database with this account type and data set.
* Touches DB. Don't use in the UI thread.
*/
public boolean hasData(Context context) {
final String BASE_SELECTION = RawContacts.ACCOUNT_TYPE + " = ?";
final String selection;
final String[] args;
if (TextUtils.isEmpty(dataSet)) {
selection = BASE_SELECTION + " AND " + RawContacts.DATA_SET + " IS NULL";
args = new String[] {accountType};
} else {
selection = BASE_SELECTION + " AND " + RawContacts.DATA_SET + " = ?";
args = new String[] {accountType, dataSet};
}
final Cursor c =
context
.getContentResolver()
.query(RAW_CONTACTS_URI_LIMIT_1, ID_PROJECTION, selection, args, null);
if (c == null) {
return false;
}
try {
return c.moveToFirst();
} finally {
c.close();
}
}
@Override
public boolean equals(Object o) {
if (!(o instanceof AccountTypeWithDataSet)) {
return false;
}
AccountTypeWithDataSet other = (AccountTypeWithDataSet) o;
return Objects.equals(accountType, other.accountType) && Objects.equals(dataSet, other.dataSet);
}
@Override
public int hashCode() {
return (accountType == null ? 0 : accountType.hashCode())
^ (dataSet == null ? 0 : dataSet.hashCode());
}
@Override
public String toString() {
return "[" + accountType + "/" + dataSet + "]";
}
}
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