Coverage Report - org.jaxen.expr.DefaultStep

Classes in this Package	Line Coverage	Branch Coverage	Complexity
DefaultStep	97%	100%	1.3333333333333333;1.333

1		/*
2		* $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/expr/DefaultStep.java,v 1.17 2005/04/20 22:43:27 elharo Exp $
3		* $Revision: 1.17 $
4		* $Date: 2005/04/20 22:43:27 $
5		*
6		* ====================================================================
7		*
8		* Copyright (C) 2000-2002 bob mcwhirter & James Strachan.
9		* All rights reserved.
10		*
11		* Redistribution and use in source and binary forms, with or without
12		* modification, are permitted provided that the following conditions
13		* are met:
14		*
15		* 1. Redistributions of source code must retain the above copyright
16		* notice, this list of conditions, and the following disclaimer.
17		*
18		* 2. Redistributions in binary form must reproduce the above copyright
19		* notice, this list of conditions, and the disclaimer that follows
20		* these conditions in the documentation and/or other materials
21		* provided with the distribution.
22		*
23		* 3. The name "Jaxen" must not be used to endorse or promote products
24		* derived from this software without prior written permission. For
25		* written permission, please contact license@jaxen.org.
26		*
27		* 4. Products derived from this software may not be called "Jaxen", nor
28		* may "Jaxen" appear in their name, without prior written permission
29		* from the Jaxen Project Management (pm@jaxen.org).
30		*
31		* In addition, we request (but do not require) that you include in the
32		* end-user documentation provided with the redistribution and/or in the
33		* software itself an acknowledgement equivalent to the following:
34		* "This product includes software developed by the
35		* Jaxen Project (http://www.jaxen.org/)."
36		* Alternatively, the acknowledgment may be graphical using the logos
37		* available at http://www.jaxen.org/
38		*
39		* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
40		* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
41		* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
42		* DISCLAIMED. IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT
43		* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44		* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
45		* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
46		* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
47		* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
48		* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
49		* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50		* SUCH DAMAGE.
51		*
52		* ====================================================================
53		* This software consists of voluntary contributions made by many
54		* individuals on behalf of the Jaxen Project and was originally
55		* created by bob mcwhirter <bob@werken.com> and
56		* James Strachan <jstrachan@apache.org>. For more information on the
57		* Jaxen Project, please see <http://www.jaxen.org/>.
58		*
59		* $Id: DefaultStep.java,v 1.17 2005/04/20 22:43:27 elharo Exp $
60		*/
61		package org.jaxen.expr;
62
63		import java.util.ArrayList;
64		import java.util.Iterator;
65		import java.util.List;
66
67		import org.jaxen.Context;
68		import org.jaxen.ContextSupport;
69		import org.jaxen.JaxenException;
70		import org.jaxen.UnsupportedAxisException;
71		import org.jaxen.expr.iter.IterableAxis;
72		import org.jaxen.saxpath.Axis;
73
74		public abstract class DefaultStep implements Step
75		{
76		private IterableAxis axis;
77		private PredicateSet predicates;
78
79		public DefaultStep(IterableAxis axis, PredicateSet predicates)
80	2619	{
81	2619	this.axis = axis;
82	2619	this.predicates = predicates;
83	2619	}
84
85		public void addPredicate(Predicate predicate)
86		{
87	382	this.predicates.addPredicate(predicate);
88	382	}
89
90		public List getPredicates()
91		{
92	32	return this.predicates.getPredicates();
93		}
94
95		public PredicateSet getPredicateSet()
96		{
97	9010	return this.predicates;
98		}
99
100		public int getAxis()
101		{
102	5942	return this.axis.value();
103		}
104
105		public IterableAxis getIterableAxis()
106		{
107	17272	return this.axis;
108		}
109
110		public String getAxisName()
111		{
112	15	return Axis.lookup(getAxis());
113		}
114
115		public String getText()
116		{
117	15	return this.predicates.getText();
118		}
119
120		public String toString()
121		{
122	0	return getIterableAxis() + " " + super.toString();
123		}
124
125		public void simplify()
126		{
127	2565	this.predicates.simplify();
128	2565	}
129
130		public Iterator axisIterator(Object contextNode, ContextSupport support)
131		throws UnsupportedAxisException
132		{
133	13032	return getIterableAxis().iterator(contextNode, support);
134		}
135
136		public List evaluate(final Context context) throws JaxenException
137		{
138	481	final List contextNodeSet = context.getNodeSet();
139	481	final IdentitySet unique = new IdentitySet();
140	481	final int contextSize = contextNodeSet.size();
141
142		// ???? try linked lists instead?
143		// ???? initial size for these?
144	481	final ArrayList interimSet = new ArrayList();
145	481	final ArrayList newNodeSet = new ArrayList();
146	481	final ContextSupport support = context.getContextSupport();
147
148		// ???? use iterator instead
149	1721	for ( int i = 0 ; i < contextSize ; ++i )
150		{
151	1240	Object eachContextNode = contextNodeSet.get( i );
152
153	1240	Iterator axisNodeIter = axis.iterator(eachContextNode, support);
154
155	20624	while ( axisNodeIter.hasNext() )
156		{
157	19384	Object eachAxisNode = axisNodeIter.next();
158	19384	if ( ! unique.contains( eachAxisNode ) )
159		{
160	19097	if ( matches( eachAxisNode, support ) )
161		{
162	18249	unique.add( eachAxisNode );
163	18249	interimSet.add( eachAxisNode );
164		}
165		}
166		}
167	1240	newNodeSet.addAll(getPredicateSet().evaluatePredicates(
168		interimSet, support ));
169	1240	interimSet.clear();
170		}
171	481	return newNodeSet;
172		}
173
174		}