import java.io.*;


public class ExceptionsAttribute {

  int nameIndex;
  int[] exceptions;
  
  public ExceptionsAttribute(AttributeInfo ai) throws IOException {
    nameIndex = ai.nameIndex();
    ByteArrayInputStream bis = new ByteArrayInputStream(ai.data);
    DataInputStream dis = new DataInputStream(bis);
    exceptions = new int[dis.readUnsignedShort()];
    for (int i = 0; i < exceptions.length; i++) {
      exceptions[i] = dis.readUnsignedShort();
    } 
  }

  public int nameIndex() {
    return nameIndex;
  }
  
  public int howMany() {
    return exceptions.length;
  }
  
  public int getIndex(int i) {
    return exceptions[i];
  }
  
  public String toString() {
    return String.valueOf(nameIndex);
  }
  
}