package bluej.views;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import java.util.Iterator;
import java.util.List;
import java.util.ArrayList;




| CommentList class - maintains a list of BlueJ comments
|
| @author Michael Cahill
|
public final class CommentList
{       
private List<Comment> comments;  
   
   


| Constructor - create a CommentList with an initial list of comments.
|
public CommentList(List<Comment> comments)
   {        
      this.comments = comments;     
      }  
   
   


| Constructor - create an empty CommentList.
|
public CommentList()
   {        
      this(new ArrayList<Comment>());     
      }  
   
   public void addComment(Comment comment)
   {
      comments.add(comment);     
      }  
   
   public void removeComment(Comment comment)
   {
      comments.remove(comment);     
      }  
   
   public Iterator getComments()
   {
      return comments.iterator();     
      }  
   
   public int numComments()
   {
      return comments.size();     
      }  
   
   public void load(String filename) throws IOException
   {        
      FileInputStream input = new FileInputStream(filename);
      load(input);
      input.close();     
      }  
   
   public void load(InputStream input) throws IOException
   {        
      Properties props = new Properties();
      props.load(input);
    		
      int numComments = Integer.parseInt(props.getProperty("numComments", "0"));
       
      for (int i = numComments-1; i >= 0; i--)
       {            
         Comment comment = new Comment();
         comment.load(props, "comment" + i);
         comments.add(comment);         
         }     
      } 
   }