Acegi Security System for Spring

Clover coverage report - Acegi Security System for Spring - 1.0.0-RC1

Coverage timestamp: Mon Dec 5 2005 09:05:15 EST

FRAMES NO FRAMES

file stats:	LOC:	124		Methods:	6
	NCLOC:	62		Classes:	1

Source file

Conditionals

Statements

Methods

TOTAL

ChannelDecisionManagerImpl.java

100%

100%

1		/* Copyright 2004 Acegi Technology Pty Limited
2		*
3		* Licensed under the Apache License, Version 2.0 (the "License");
4		* you may not use this file except in compliance with the License.
5		* You may obtain a copy of the License at
6		*
7		* http://www.apache.org/licenses/LICENSE-2.0
8		*
9		* Unless required by applicable law or agreed to in writing, software
10		* distributed under the License is distributed on an "AS IS" BASIS,
11		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12		* See the License for the specific language governing permissions and
13		* limitations under the License.
14		*/
15
16		package org.acegisecurity.securechannel;
17
18		import org.acegisecurity.ConfigAttribute;
19		import org.acegisecurity.ConfigAttributeDefinition;
20		import org.acegisecurity.intercept.web.FilterInvocation;
21
22		import org.springframework.beans.factory.InitializingBean;
23
24		import java.io.IOException;
25
26		import java.util.Iterator;
27		import java.util.List;
28
29		import javax.servlet.ServletException;
30
31
32		/**
33		* Implementation of {@link ChannelDecisionManager}.
34		*
35		* <p>
36		* Iterates through each configured {@link ChannelProcessor}. If a
37		* <code>ChannelProcessor</code> has any issue with the security of the
38		* request, it should cause a redirect, exception or whatever other action is
39		* appropriate for the <code>ChannelProcessor</code> implementation.
40		* </p>
41		*
42		* <P>
43		* Once any response is committed (ie a redirect is written to the response
44		* object), the <code>ChannelDecisionManagerImpl</code> will not iterate
45		* through any further <code>ChannelProcessor</code>s.
46		* </p>
47		*
48		* @author Ben Alex
49		* @version $Id: ChannelDecisionManagerImpl.java,v 1.4 2005/11/17 00:55:50 benalex Exp $
50		*/
51		public class ChannelDecisionManagerImpl implements ChannelDecisionManager,
52		InitializingBean {
53		//~ Instance fields ========================================================
54
55		private List channelProcessors;
56
57		//~ Methods ================================================================
58
59	7	public void setChannelProcessors(List newList) {
60	7	checkIfValidList(newList);
61
62	5	Iterator iter = newList.iterator();
63
64	5	while (iter.hasNext()) {
65	9	Object currentObject = null;
66
67	9	try {
68	9	currentObject = iter.next();
69
70	9	ChannelProcessor attemptToCast = (ChannelProcessor) currentObject;
71		} catch (ClassCastException cce) {
72	1	throw new IllegalArgumentException("ChannelProcessor "
73		+ currentObject.getClass().getName()
74		+ " must implement ChannelProcessor");
75		}
76		}
77
78	4	this.channelProcessors = newList;
79		}
80
81	2	public List getChannelProcessors() {
82	2	return this.channelProcessors;
83		}
84
85	4	public void afterPropertiesSet() throws Exception {
86	4	checkIfValidList(this.channelProcessors);
87		}
88
89	2	public void decide(FilterInvocation invocation,
90		ConfigAttributeDefinition config) throws IOException, ServletException {
91	2	Iterator iter = this.channelProcessors.iterator();
92
93	2	while (iter.hasNext()) {
94	3	ChannelProcessor processor = (ChannelProcessor) iter.next();
95
96	3	processor.decide(invocation, config);
97
98	3	if (invocation.getResponse().isCommitted()) {
99	1	break;
100		}
101		}
102		}
103
104	3	public boolean supports(ConfigAttribute attribute) {
105	3	Iterator iter = this.channelProcessors.iterator();
106
107	3	while (iter.hasNext()) {
108	5	ChannelProcessor processor = (ChannelProcessor) iter.next();
109
110	5	if (processor.supports(attribute)) {
111	2	return true;
112		}
113		}
114
115	1	return false;
116		}
117
118	11	private void checkIfValidList(List listToCheck) {
119	11	if ((listToCheck == null) \|\| (listToCheck.size() == 0)) {
120	3	throw new IllegalArgumentException(
121		"A list of ChannelProcessors is required");
122		}
123		}
124		}