1 /* 2 * Copyright (C) 2016 The Android Open Source Project 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 #import <Foundation/Foundation.h> 18 19 /** A basic buffer for log text. */ 20 @interface WALTLogger : NSObject 21 + (instancetype)sessionLogger; 22 23 - (void)appendString:(NSString *)string; 24 - (void)appendFormat:(NSString *)format, ... NS_FORMAT_FUNCTION(1,2); 25 - (void)clear; 26 - (BOOL)writeToURL:(NSURL *)url error:(NSError **)error; 27 - (NSString *)stringValue; 28 @end 29