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1
4 package com.tc.util;
5
6 import com.tc.text.PrettyPrintable;
7 import com.tc.text.PrettyPrinter;
8
9 import java.util.Iterator  ;
10 import java.util.LinkedList ;
11 import java.util.List ;
12
13 public class WindowUtil implements PrettyPrintable {
14 private final int size;
15 private final List list;
16 public WindowUtil(int size) {
17 this.size = size;
18 this.list = new LinkedList ();
19 }
20
21 public void add(Object o) {
22 synchronized (list) {
23 if (list.size() == size) {
24 list.remove(0);
25 }
26 list.add(o);
27 }
28 }
29
30 public PrettyPrinter prettyPrint(PrettyPrinter out) {
31 out.println("WindowUtil");
32 PrettyPrinter rv = out;
33 out = out.duplicateAndIndent();
34 synchronized (list) {
35 for (Iterator i=list.iterator(); i.hasNext(); ) {
36 out.indent().visit(i.next()).println();
37 }
38 }
39 return rv;
40 }
41 }
42 |
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