1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.jetspeed.decoration;
18
19 import org.jmock.core.Constraint;
20
21 public class OnConsecutiveInvokes implements Constraint
22 {
23 private final Constraint[] constraints;
24 private int pointer = 0;
25 private boolean toManyCalls = false;
26
27 public OnConsecutiveInvokes(Constraint[] constraints)
28 {
29 this.constraints = constraints;
30 }
31
32 public boolean eval(Object arg0)
33 {
34 if (pointer < constraints.length)
35 {
36 try
37 {
38 return constraints[pointer].eval(arg0);
39 }
40 finally
41 {
42 pointer++;
43 }
44 }
45 else
46 {
47 toManyCalls = true;
48 return false;
49 }
50 }
51
52 public StringBuffer describeTo(StringBuffer buffer)
53 {
54 if(!toManyCalls)
55 {
56 return constraints[pointer].describeTo(buffer);
57 }
58 else
59 {
60 return buffer.append("Should be invoked "+constraints.length+" times.");
61 }
62 }
63
64 }