79 lines
2.8 KiB
Java
79 lines
2.8 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.contacts.common.util;
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import android.content.ContentResolver;
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import android.content.ContentUris;
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import android.net.Uri;
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import android.provider.Contacts;
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import android.provider.ContactsContract;
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import android.provider.ContactsContract.RawContacts;
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/** Utility methods for the {@link ContactLoader}. */
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public final class ContactLoaderUtils {
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/** Static helper, not instantiable. */
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private ContactLoaderUtils() {}
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/**
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* Transforms the given Uri and returns a Lookup-Uri that represents the contact. For legacy
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* contacts, a raw-contact lookup is performed. An {@link IllegalArgumentException} can be thrown
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* if the URI is null or the authority is not recognized.
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*
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* <p>Do not call from the UI thread.
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*/
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@SuppressWarnings("deprecation")
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public static Uri ensureIsContactUri(final ContentResolver resolver, final Uri uri)
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throws IllegalArgumentException {
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if (uri == null) {
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throw new IllegalArgumentException("uri must not be null");
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}
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final String authority = uri.getAuthority();
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// Current Style Uri?
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if (ContactsContract.AUTHORITY.equals(authority)) {
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final String type = resolver.getType(uri);
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// Contact-Uri? Good, return it
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if (ContactsContract.Contacts.CONTENT_ITEM_TYPE.equals(type)) {
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return uri;
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}
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// RawContact-Uri? Transform it to ContactUri
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if (RawContacts.CONTENT_ITEM_TYPE.equals(type)) {
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final long rawContactId = ContentUris.parseId(uri);
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return RawContacts.getContactLookupUri(
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resolver, ContentUris.withAppendedId(RawContacts.CONTENT_URI, rawContactId));
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}
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// Anything else? We don't know what this is
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throw new IllegalArgumentException("uri format is unknown");
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}
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// Legacy Style? Convert to RawContact
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final String OBSOLETE_AUTHORITY = Contacts.AUTHORITY;
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if (OBSOLETE_AUTHORITY.equals(authority)) {
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// Legacy Format. Convert to RawContact-Uri and then lookup the contact
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final long rawContactId = ContentUris.parseId(uri);
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return RawContacts.getContactLookupUri(
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resolver, ContentUris.withAppendedId(RawContacts.CONTENT_URI, rawContactId));
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}
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throw new IllegalArgumentException("uri authority is unknown");
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}
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}
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