Home | History | Annotate | Download | only in icu
      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 libcore.icu;
     18 
     19 import java.text.FieldPosition;
     20 
     21 import com.android.ide.common.rendering.api.LayoutLog;
     22 import com.android.layoutlib.bridge.Bridge;
     23 import com.android.layoutlib.bridge.impl.DelegateManager;
     24 import com.ibm.icu.text.DateIntervalFormat;
     25 import com.ibm.icu.util.DateInterval;
     26 import com.ibm.icu.util.TimeZone;
     27 import com.ibm.icu.util.ULocale;
     28 
     29 public class DateIntervalFormat_Delegate {
     30 
     31     // ---- delegate manager ----
     32     private static final DelegateManager<DateIntervalFormat_Delegate> sManager =
     33             new DelegateManager<DateIntervalFormat_Delegate>(DateIntervalFormat_Delegate.class);
     34 
     35     // ---- delegate data ----
     36     private DateIntervalFormat mFormat;
     37 
     38 
     39     // ---- native methods ----
     40 
     41     /*package*/static String formatDateInterval(long address, long fromDate, long toDate) {
     42         DateIntervalFormat_Delegate delegate = sManager.getDelegate((int)address);
     43         if (delegate == null) {
     44             Bridge.getLog().error(LayoutLog.TAG_BROKEN,
     45                     "Unable for find native DateIntervalFormat", null);
     46             return null;
     47         }
     48         DateInterval interval = new DateInterval(fromDate, toDate);
     49         StringBuffer sb = new StringBuffer();
     50         FieldPosition pos = new FieldPosition(0);
     51         delegate.mFormat.format(interval, sb, pos);
     52         return sb.toString();
     53     }
     54 
     55     /*package*/ static long createDateIntervalFormat(String skeleton, String localeName,
     56             String tzName) {
     57         TimeZone prevDefaultTz = TimeZone.getDefault();
     58         TimeZone.setDefault(TimeZone.getTimeZone(tzName));
     59         DateIntervalFormat_Delegate newDelegate = new DateIntervalFormat_Delegate();
     60         newDelegate.mFormat =
     61                 DateIntervalFormat.getInstance(skeleton, new ULocale(localeName));
     62         TimeZone.setDefault(prevDefaultTz);
     63         return sManager.addNewDelegate(newDelegate);
     64     }
     65 
     66     /*package*/ static void destroyDateIntervalFormat(long address) {
     67         sManager.removeJavaReferenceFor((int)address);
     68     }
     69 
     70 }
     71