content: package android.arch.persistence.room.util;
  
  import android.util.Log;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.StringTokenizer;
  
  public class StringUtil {
    public static final String[] EMPTY_STRING_ARRAY = new String[0];
    
    public static void appendPlaceholders(StringBuilder paramStringBuilder, int paramInt) {
      for (byte b = 0; b < paramInt; b++) {
        paramStringBuilder.append("?");
        if (b < paramInt - 1)
          paramStringBuilder.append(","); 
      } 
    }
    
    public static String joinIntoString(List<Integer> paramList) {
      if (paramList == null)
        return null; 
      int i = paramList.size();
      if (i == 0)
        return ""; 
      StringBuilder stringBuilder = new StringBuilder();
      for (byte b = 0; b < i; b++) {
        stringBuilder.append(Integer.toString(((Integer)paramList.get(b)).intValue()));
        if (b < i - 1)
          stringBuilder.append(","); 
      } 
      return stringBuilder.toString();
    }
    
    public static StringBuilder newStringBuilder() {
      return new StringBuilder();
    }
    
    public static List<Integer> splitToIntList(String paramString) {
      if (paramString == null)
        return null; 
      ArrayList<Integer> arrayList = new ArrayList();
      StringTokenizer stringTokenizer = new StringTokenizer(paramString, ",");
      while (stringTokenizer.hasMoreElements()) {
        String str = stringTokenizer.nextToken();
        try {
          arrayList.add(Integer.valueOf(Integer.parseInt(str)));
        } catch (NumberFormatException numberFormatException) {
          Log.e("ROOM", "Malformed integer list", numberFormatException);
        } 
      } 
      return arrayList;
    }
  }
  
  
  /* Location:              F:\何章易\项目文件夹\项目24\va\classes_merge.jar!\android\arch\persistence\roo\\util\StringUtil.class
   * Java compiler version: 6 (50.0)
   * JD-Core Version:       1.1.3
   */