Code Coverage for tapestry release 4.0.3

Clover coverage report - Code Coverage for tapestry release 4.0.3

Coverage timestamp: Fri May 5 2006 21:17:42 CDT

FRAMES NO FRAMES

file stats:	LOC:	133		Methods:	8
	NCLOC:	79		Classes:	1

Source file

Conditionals

Statements

Methods

TOTAL

SessionPropertyPersistenceStrategy.java

100%

100%

1		// Copyright 2005 The Apache Software Foundation
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		package org.apache.tapestry.record;
16
17		import java.util.ArrayList;
18		import java.util.Collection;
19		import java.util.Collections;
20
21		import org.apache.hivemind.util.Defense;
22		import org.apache.tapestry.engine.ServiceEncoding;
23		import org.apache.tapestry.web.WebRequest;
24		import org.apache.tapestry.web.WebSession;
25
26		/**
27		* The most basic {@link org.apache.tapestry.record.PropertyPersistenceStrategy}, which stores
28		* properties in the HttpSession as attributes.
29		*
30		* @author Howard M. Lewis Ship
31		* @since 4.0
32		*/
33		public class SessionPropertyPersistenceStrategy implements PropertyPersistenceStrategy
34		{
35		public static final String STRATEGY_ID = "session";
36
37		// Really, the name of the servlet; used as a prefix on all HttpSessionAttribute keys
38		// to keep things straight if multiple Tapestry apps are deployed
39		// in the same WAR.
40
41		private String _applicationId;
42
43		private WebRequest _request;
44
45	69	public void store(String pageName, String idPath, String propertyName, Object newValue)
46		{
47	69	Defense.notNull(pageName, "pageName");
48	69	Defense.notNull(propertyName, "propertyName");
49
50	69	WebSession session = _request.getSession(true);
51
52	69	String attributeName = RecordUtils.buildChangeKey(
53		STRATEGY_ID,
54		_applicationId,
55		pageName,
56		idPath,
57		propertyName);
58
59	69	session.setAttribute(attributeName, newValue);
60		}
61
62	537	public Collection getStoredChanges(String pageName)
63		{
64	537	Defense.notNull(pageName, "pageName");
65
66	537	WebSession session = _request.getSession(false);
67
68	537	if (session == null)
69	393	return Collections.EMPTY_LIST;
70
71	144	final Collection result = new ArrayList();
72
73	144	WebSessionAttributeCallback callback = new WebSessionAttributeCallback()
74		{
75	39	public void handleAttribute(WebSession session, String name)
76		{
77	39	PropertyChange change = RecordUtils.buildChange(name, session.getAttribute(name));
78
79	39	result.add(change);
80		}
81		};
82
83	144	RecordUtils.iterateOverMatchingAttributes(
84		STRATEGY_ID,
85		_applicationId,
86		pageName,
87		session,
88		callback);
89
90	144	return result;
91		}
92
93	9	public void discardStoredChanges(String pageName)
94		{
95	9	WebSession session = _request.getSession(false);
96
97	9	if (session == null)
98	3	return;
99
100	6	WebSessionAttributeCallback callback = new WebSessionAttributeCallback()
101		{
102	3	public void handleAttribute(WebSession session, String name)
103		{
104	3	session.setAttribute(name, null);
105		}
106		};
107
108	6	RecordUtils.iterateOverMatchingAttributes(
109		STRATEGY_ID,
110		_applicationId,
111		pageName,
112		session,
113		callback);
114		}
115
116		/**
117		* Does nothing; session persistence does not make use of query parameters.
118		*/
119
120	339	public void addParametersForPersistentProperties(ServiceEncoding encoding, boolean post)
121		{
122		}
123
124	141	public void setApplicationId(String applicationName)
125		{
126	141	_applicationId = applicationName;
127		}
128
129	147	public void setRequest(WebRequest request)
130		{
131	147	_request = request;
132		}
133		}