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Java > Open Source Codes > org > apache > commons > jxpath > ri > compiler > TestFunctions


1 /*
2  * Copyright 1999-2004 The Apache Software Foundation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */

16 package org.apache.commons.jxpath.ri.compiler;
17
18 import java.util.ArrayList JavaDoc;
19 import java.util.Collection JavaDoc;
20 import java.util.Iterator JavaDoc;
21 import java.util.Map JavaDoc;
22
23 import org.apache.commons.jxpath.BasicNodeSet;
24 import org.apache.commons.jxpath.ExpressionContext;
25 import org.apache.commons.jxpath.JXPathContext;
26 import org.apache.commons.jxpath.NestedTestBean;
27 import org.apache.commons.jxpath.Pointer;
28 import org.apache.commons.jxpath.NodeSet;
29
30 /**
31  * @author Dmitri Plotnikov
32  * @version $Revision: 1.10 $ $Date: 2004/03/25 05:42:01 $
33  */

34 public class TestFunctions {
35
36     private int foo;
37     private String JavaDoc bar;
38
39     public TestFunctions() {
40     }
41
42     public TestFunctions(int foo, String JavaDoc bar) {
43         this.foo = foo;
44         this.bar = bar;
45     }
46
47     public TestFunctions(ExpressionContext context, String JavaDoc bar) {
48         this.foo =
49             ((Number JavaDoc) context.getContextNodePointer().getValue()).intValue();
50         this.bar = bar;
51     }
52     
53     public TestFunctions(int foo, Object JavaDoc object, boolean another) {
54         this.foo = foo;
55         bar = String.valueOf(object);
56     }
57
58     public int getFoo() {
59         return foo;
60     }
61
62     public String JavaDoc getBar() {
63         return bar;
64     }
65
66     public void doit() {
67     }
68
69     public TestFunctions setFooAndBar(int foo, String JavaDoc bar) {
70         this.foo = foo;
71         this.bar = bar;
72         return this;
73     }
74
75     public static TestFunctions build(int foo, String JavaDoc bar) {
76         return new TestFunctions(foo, bar);
77     }
78
79     public String JavaDoc toString() {
80         return "foo=" + foo + "; bar=" + bar;
81     }
82
83     public static String JavaDoc path(ExpressionContext context) {
84         return context.getContextNodePointer().asPath();
85     }
86
87     public String JavaDoc instancePath(ExpressionContext context) {
88         return context.getContextNodePointer().asPath();
89     }
90
91     public String JavaDoc pathWithSuffix(ExpressionContext context, String JavaDoc suffix) {
92         return context.getContextNodePointer().asPath() + suffix;
93     }
94
95     public String JavaDoc className(
96         ExpressionContext context,
97         ExpressionContext child)
98     {
99         return context.getContextNodePointer().asPath();
100     }
101
102     /**
103      * Returns true if the current node in the current context is a map
104      */

105     public static boolean isMap(ExpressionContext context) {
106         Pointer ptr = context.getContextNodePointer();
107         return ptr == null ? false : (ptr.getValue() instanceof Map JavaDoc);
108     }
109
110     /**
111      * Returns the number of nodes in the context that is passed as
112      * the first argument.
113      */

114     public static int count(ExpressionContext context, Collection JavaDoc col) {
115         for (Iterator JavaDoc iter = col.iterator(); iter.hasNext();) {
116             Object JavaDoc element = iter.next();
117             if (!(element instanceof String JavaDoc)) {
118                 throw new RuntimeException JavaDoc("Invalid argument");
119             }
120         };
121         return col.size();
122     }
123     
124     public static int countPointers(NodeSet nodeSet) {
125         return nodeSet.getPointers().size();
126     }
127     
128     public static String JavaDoc string(String JavaDoc string) {
129         return string;
130     }
131     
132     public static Collection JavaDoc collection() {
133         ArrayList JavaDoc list = new ArrayList JavaDoc();
134         list.add(new NestedTestBean("foo"));
135         list.add(new NestedTestBean("bar"));
136         return list;
137     }
138     
139     public static NodeSet nodeSet(ExpressionContext context) {
140         JXPathContext jxpathCtx = context.getJXPathContext();
141         BasicNodeSet set = new BasicNodeSet();
142         set.add(jxpathCtx.getPointer("/beans[1]"));
143         set.add(jxpathCtx.getPointer("/beans[2]"));
144         
145         return set;
146     }
147     
148     public static Collection JavaDoc items(Collection JavaDoc arg) {
149         return arg;
150     }
151 }
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