1. Project Clover database Tue Dec 20 2016 21:24:09 CET
  2. Package org.xwiki.script.internal.safe

File SafeIterator.java

 

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64% of files have more coverage

Code metrics

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Classes

Class Line # Actions
SafeIterator 33 10 0% 7 6
0.6470588464.7%
 

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1    /*
2    * See the NOTICE file distributed with this work for additional
3    * information regarding copyright ownership.
4    *
5    * This is free software; you can redistribute it and/or modify it
6    * under the terms of the GNU Lesser General Public License as
7    * published by the Free Software Foundation; either version 2.1 of
8    * the License, or (at your option) any later version.
9    *
10    * This software is distributed in the hope that it will be useful,
11    * but WITHOUT ANY WARRANTY; without even the implied warranty of
12    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13    * Lesser General Public License for more details.
14    *
15    * You should have received a copy of the GNU Lesser General Public
16    * License along with this software; if not, write to the Free
17    * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18    * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
19    */
20    package org.xwiki.script.internal.safe;
21   
22    import java.lang.reflect.Constructor;
23    import java.util.Iterator;
24   
25    /**
26    * Provide a public script access to an iterator.
27    *
28    * @param <E> the type of the iterated value
29    * @param <I> the type of the Iterator
30    * @version $Id: 05a93eaa42d2110750ceb74da7674a33b9e54328 $
31    * @since 4.1M1
32    */
 
33    public class SafeIterator<E, I extends Iterator<E>> extends AbstractSafeObject<I> implements Iterator<E>
34    {
35    /**
36    * Safe implementation of the iterator elements.
37    */
38    private Constructor< ? extends E> safeConstructor;
39   
40    /**
41    * @param it the wrapped iterator
42    * @param safeProvider the provider of instances safe for public scripts
43    * @param safeConstructor the constructor used to create new safe wrapper for iterator elements
44    */
 
45  44 toggle public SafeIterator(I it, ScriptSafeProvider< ? > safeProvider, Constructor< ? extends E> safeConstructor)
46    {
47  44 super(it, safeProvider);
48   
49  44 this.safeConstructor = safeConstructor;
50    }
51   
52    /**
53    * @param element the element to wrap
54    * @return the wrapped element
55    */
 
56  44 toggle protected E safeElement(E element)
57    {
58  44 if (this.safeConstructor != null) {
59  0 try {
60  0 return this.safeConstructor.newInstance(element, this.safeProvider);
61    } catch (Exception e) {
62  0 return safe(element);
63    }
64    } else {
65  44 return safe(element);
66    }
67    }
68   
69    // Iterator
 
70  176 toggle @Override
71    public boolean hasNext()
72    {
73  176 return getWrapped().hasNext();
74    }
75   
 
76  44 toggle @Override
77    public E next()
78    {
79  44 return safeElement(getWrapped().next());
80    }
81   
 
82  0 toggle @Override
83    public void remove()
84    {
85  0 throw new UnsupportedOperationException(FORBIDDEN);
86    }
87    }