1 /* 2 * Copyright (C) 2013 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 package android.text.format; 18 19 import java.util.Calendar; 20 import java.util.UnknownFormatConversionException; 21 import java.util.regex.Pattern; 22 23 import com.android.ide.common.rendering.api.LayoutLog; 24 import com.android.layoutlib.bridge.Bridge; 25 import com.android.tools.layoutlib.annotations.LayoutlibDelegate; 26 27 /** 28 * Delegate used to provide new implementation for native methods of {@link Time} 29 * 30 * Through the layoutlib_create tool, some native methods of Time have been replaced by calls to 31 * methods of the same name in this delegate class. 32 */ 33 public class Time_Delegate { 34 35 // Regex to match odd number of '%'. 36 private static final Pattern p = Pattern.compile("(?<!%)(%%)*%(?!%)"); 37 38 @LayoutlibDelegate 39 /*package*/ static String format1(Time thisTime, String format) { 40 41 try { 42 // Change the format by adding changing '%' to "%1$t". This is required to tell the 43 // formatter which argument to use from the argument list. '%%' is left as is. In the 44 // replacement string, $0 refers to matched pattern. \\1 means '1', written this way to 45 // separate it from 0. \\$ means '$', written this way to suppress the special meaning 46 // of $. 47 return String.format( 48 p.matcher(format).replaceAll("$0\\1\\$t"), 49 timeToCalendar(thisTime, Calendar.getInstance())); 50 } catch (UnknownFormatConversionException e) { 51 Bridge.getLog().fidelityWarning(LayoutLog.TAG_STRFTIME, "Unrecognized format", e, format); 52 return format; 53 } 54 } 55 56 private static Calendar timeToCalendar(Time time, Calendar calendar) { 57 calendar.set(time.year, time.month, time.monthDay, time.hour, time.minute, time.second); 58 return calendar; 59 } 60 61 } 62
