1 /* 2 * Copyright (C) 2014 The Libphonenumber Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.i18n.phonenumbers; 18 19 import java.io.InputStream; 20 21 /** 22 * Interface for clients to specify a customized phone metadata loader, useful for Android apps to 23 * load Android resources since the library loads Java resources by default, e.g. with 24 * <a href="http://developer.android.com/reference/android/content/res/AssetManager.html"> 25 * AssetManager</a>. Note that implementation owners have the responsibility to ensure this is 26 * thread-safe. 27 */ 28 public interface MetadataLoader { 29 /** 30 * Returns an input stream corresponding to the metadata to load. This method may be called 31 * concurrently so implementations must be thread-safe. 32 * 33 * @param metadataFileName file name (including path) of metadata to load. File path is an 34 * absolute class path like /com/google/i18n/phonenumbers/data/PhoneNumberMetadataProto 35 * @return the input stream for the metadata file. The library will close this stream 36 * after it is done. Return null in case the metadata file could not be found 37 */ loadMetadata(String metadataFileName)38 public InputStream loadMetadata(String metadataFileName); 39 } 40