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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.util;
import android.net.Uri;
import android.provider.ContactsContract;
/**
* Utility methods for dealing with URIs.
*/
public class UriUtils {
/** Static helper, not instantiable. */
private UriUtils() {}
/** Checks whether two URI are equal, taking care of the case where either is null. */
public static boolean areEqual(Uri uri1, Uri uri2) {
if (uri1 == null && uri2 == null) {
return true;
}
if (uri1 == null || uri2 == null) {
return false;
}
return uri1.equals(uri2);
}
/** Parses a string into a URI and returns null if the given string is null. */
public static Uri parseUriOrNull(String uriString) {
if (uriString == null) {
return null;
}
return Uri.parse(uriString);
}
/** Converts a URI into a string, returns null if the given URI is null. */
public static String uriToString(Uri uri) {
return uri == null ? null : uri.toString();
}
public static boolean isEncodedContactUri(Uri uri) {
if (uri == null) {
return false;
}
final String lastPathSegment = uri.getLastPathSegment();
if (lastPathSegment == null) {
return false;
}
return lastPathSegment.equals(Constants.LOOKUP_URI_ENCODED);
}
/**
* @return {@code uri} as-is if the authority is of contacts provider. Otherwise
* or {@code uri} is null, return null otherwise
*/
public static Uri nullForNonContactsUri(Uri uri) {
if (uri == null) {
return null;
}
return ContactsContract.AUTHORITY.equals(uri.getAuthority()) ? uri : null;
}
}
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