diff options
Diffstat (limited to 'services/core/java/com/android/server/accounts/AccountAuthenticatorCache.java')
-rw-r--r-- | services/core/java/com/android/server/accounts/AccountAuthenticatorCache.java | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/services/core/java/com/android/server/accounts/AccountAuthenticatorCache.java b/services/core/java/com/android/server/accounts/AccountAuthenticatorCache.java new file mode 100644 index 0000000..7552368 --- /dev/null +++ b/services/core/java/com/android/server/accounts/AccountAuthenticatorCache.java @@ -0,0 +1,94 @@ +/* + * Copyright (C) 2009 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.server.accounts; + +import android.accounts.AccountManager; +import android.accounts.AuthenticatorDescription; +import android.accounts.IAccountAuthenticator; +import android.content.Context; +import android.content.pm.PackageManager; +import android.content.pm.RegisteredServicesCache; +import android.content.pm.XmlSerializerAndParser; +import android.content.res.Resources; +import android.content.res.TypedArray; +import android.text.TextUtils; +import android.util.AttributeSet; + +import org.xmlpull.v1.XmlPullParser; +import org.xmlpull.v1.XmlPullParserException; +import org.xmlpull.v1.XmlSerializer; + +import java.io.IOException; + +/** + * A cache of services that export the {@link IAccountAuthenticator} interface. This cache + * is built by interrogating the {@link PackageManager} and is updated as packages are added, + * removed and changed. The authenticators are referred to by their account type and + * are made available via the {@link RegisteredServicesCache#getServiceInfo} method. + * @hide + */ +/* package private */ class AccountAuthenticatorCache + extends RegisteredServicesCache<AuthenticatorDescription> + implements IAccountAuthenticatorCache { + private static final String TAG = "Account"; + private static final MySerializer sSerializer = new MySerializer(); + + public AccountAuthenticatorCache(Context context) { + super(context, AccountManager.ACTION_AUTHENTICATOR_INTENT, + AccountManager.AUTHENTICATOR_META_DATA_NAME, + AccountManager.AUTHENTICATOR_ATTRIBUTES_NAME, sSerializer); + } + + public AuthenticatorDescription parseServiceAttributes(Resources res, + String packageName, AttributeSet attrs) { + TypedArray sa = res.obtainAttributes(attrs, + com.android.internal.R.styleable.AccountAuthenticator); + try { + final String accountType = + sa.getString(com.android.internal.R.styleable.AccountAuthenticator_accountType); + final int labelId = sa.getResourceId( + com.android.internal.R.styleable.AccountAuthenticator_label, 0); + final int iconId = sa.getResourceId( + com.android.internal.R.styleable.AccountAuthenticator_icon, 0); + final int smallIconId = sa.getResourceId( + com.android.internal.R.styleable.AccountAuthenticator_smallIcon, 0); + final int prefId = sa.getResourceId( + com.android.internal.R.styleable.AccountAuthenticator_accountPreferences, 0); + final boolean customTokens = sa.getBoolean( + com.android.internal.R.styleable.AccountAuthenticator_customTokens, false); + if (TextUtils.isEmpty(accountType)) { + return null; + } + return new AuthenticatorDescription(accountType, packageName, labelId, iconId, + smallIconId, prefId, customTokens); + } finally { + sa.recycle(); + } + } + + private static class MySerializer implements XmlSerializerAndParser<AuthenticatorDescription> { + public void writeAsXml(AuthenticatorDescription item, XmlSerializer out) + throws IOException { + out.attribute(null, "type", item.type); + } + + public AuthenticatorDescription createFromXml(XmlPullParser parser) + throws IOException, XmlPullParserException { + return AuthenticatorDescription.newKey(parser.getAttributeValue(null, "type")); + } + } +} |