AccountAuthenticatorCache.java revision 5ebbb4a6b3e16f711735ae0615b9a9ea64faad38
1603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana/* 2603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * Copyright (C) 2009 The Android Open Source Project 3603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * 4603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * Licensed under the Apache License, Version 2.0 (the "License"); 5603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * you may not use this file except in compliance with the License. 6603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * You may obtain a copy of the License at 7603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * 8603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * http://www.apache.org/licenses/LICENSE-2.0 9603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * 10603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * Unless required by applicable law or agreed to in writing, software 11603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * distributed under the License is distributed on an "AS IS" BASIS, 12603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * See the License for the specific language governing permissions and 14603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * limitations under the License. 15603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana */ 16603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana 17603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintanapackage android.accounts; 18603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana 19603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintanaimport android.content.pm.PackageManager; 20718d8a2d7ff3e864a73879eb646f46c14ab74d07Fred Quintanaimport android.content.pm.RegisteredServicesCache; 215ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintanaimport android.content.pm.XmlSerializerAndParser; 22a698f4276968d078b1b9e2f3738c4f559a3307b2Fred Quintanaimport android.content.res.TypedArray; 23a698f4276968d078b1b9e2f3738c4f559a3307b2Fred Quintanaimport android.content.Context; 24603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintanaimport android.util.AttributeSet; 25c298a8518a8fd73a303132c7db241f10eb46c5b6Fred Quintanaimport android.text.TextUtils; 265ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintanaimport org.xmlpull.v1.XmlPullParser; 275ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintanaimport org.xmlpull.v1.XmlSerializer; 285ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintanaimport org.xmlpull.v1.XmlPullParserException; 295ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana 305ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintanaimport java.io.IOException; 31603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana 32603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana/** 33603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * A cache of services that export the {@link IAccountAuthenticator} interface. This cache 34603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * is built by interrogating the {@link PackageManager} and is updated as packages are added, 35603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana * removed and changed. The authenticators are referred to by their account type and 36718d8a2d7ff3e864a73879eb646f46c14ab74d07Fred Quintana * are made available via the {@link RegisteredServicesCache#getServiceInfo} method. 37718d8a2d7ff3e864a73879eb646f46c14ab74d07Fred Quintana * @hide 38603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana */ 399788976b1465ce982b5ae7c741345edd0ecd9322Fred Quintana/* package private */ class AccountAuthenticatorCache 409788976b1465ce982b5ae7c741345edd0ecd9322Fred Quintana extends RegisteredServicesCache<AuthenticatorDescription> { 41603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana private static final String TAG = "Account"; 425ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana private static final MySerializer sSerializer = new MySerializer(); 43603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana 44603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana public AccountAuthenticatorCache(Context context) { 45f7ae77cd67f1a3993b8e56c1af4720a7adf4e69dFred Quintana super(context, AccountManager.ACTION_AUTHENTICATOR_INTENT, 465ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana AccountManager.AUTHENTICATOR_META_DATA_NAME, 475ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana AccountManager.AUTHENTICATOR_ATTRIBUTES_NAME, sSerializer); 48603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana } 49603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana 509788976b1465ce982b5ae7c741345edd0ecd9322Fred Quintana public AuthenticatorDescription parseServiceAttributes(String packageName, AttributeSet attrs) { 51718d8a2d7ff3e864a73879eb646f46c14ab74d07Fred Quintana TypedArray sa = mContext.getResources().obtainAttributes(attrs, 52718d8a2d7ff3e864a73879eb646f46c14ab74d07Fred Quintana com.android.internal.R.styleable.AccountAuthenticator); 53603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana try { 549788976b1465ce982b5ae7c741345edd0ecd9322Fred Quintana final String accountType = 559788976b1465ce982b5ae7c741345edd0ecd9322Fred Quintana sa.getString(com.android.internal.R.styleable.AccountAuthenticator_accountType); 569788976b1465ce982b5ae7c741345edd0ecd9322Fred Quintana final int labelId = sa.getResourceId( 579788976b1465ce982b5ae7c741345edd0ecd9322Fred Quintana com.android.internal.R.styleable.AccountAuthenticator_label, 0); 589788976b1465ce982b5ae7c741345edd0ecd9322Fred Quintana final int iconId = sa.getResourceId( 599788976b1465ce982b5ae7c741345edd0ecd9322Fred Quintana com.android.internal.R.styleable.AccountAuthenticator_icon, 0); 6070e1ad7d99c95967e3c0257bddc7b4ec6c403372Jim Miller final int smallIconId = sa.getResourceId( 6170e1ad7d99c95967e3c0257bddc7b4ec6c403372Jim Miller com.android.internal.R.styleable.AccountAuthenticator_smallIcon, 0); 6270e1ad7d99c95967e3c0257bddc7b4ec6c403372Jim Miller final int prefId = sa.getResourceId( 6370e1ad7d99c95967e3c0257bddc7b4ec6c403372Jim Miller com.android.internal.R.styleable.AccountAuthenticator_accountPreferences, 0); 64c298a8518a8fd73a303132c7db241f10eb46c5b6Fred Quintana if (TextUtils.isEmpty(accountType)) { 65c298a8518a8fd73a303132c7db241f10eb46c5b6Fred Quintana return null; 66c298a8518a8fd73a303132c7db241f10eb46c5b6Fred Quintana } 6770e1ad7d99c95967e3c0257bddc7b4ec6c403372Jim Miller return new AuthenticatorDescription(accountType, packageName, labelId, iconId, 6870e1ad7d99c95967e3c0257bddc7b4ec6c403372Jim Miller smallIconId, prefId); 69603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana } finally { 70718d8a2d7ff3e864a73879eb646f46c14ab74d07Fred Quintana sa.recycle(); 71603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana } 72603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana } 735ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana 745ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana private static class MySerializer implements XmlSerializerAndParser<AuthenticatorDescription> { 755ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana public void writeAsXml(AuthenticatorDescription item, XmlSerializer out) 765ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana throws IOException { 775ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana out.attribute(null, "type", item.type); 785ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana } 795ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana 805ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana public AuthenticatorDescription createFromXml(XmlPullParser parser) 815ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana throws IOException, XmlPullParserException { 825ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana return AuthenticatorDescription.newKey(parser.getAttributeValue(null, "type")); 835ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana } 845ebbb4a6b3e16f711735ae0615b9a9ea64faad38Fred Quintana } 85603073430bbcb1bd29db7afb9b14e2732ad589fbFred Quintana} 86