Clover Coverage Report
Coverage timestamp: Sa Aug 2 2008 13:56:27 CEST
Overview   Package   File
    FRAMES   NO FRAMES     
../../../../img/srcFileCovDistChart8.png 47% of files have more coverage
32   112   10   10,67
14   59   0,31   3
3     3,33  
1    
 
  DynamicGetter       Line # 32 32 10 77,6% 0.7755102
 
  (9)
 
1    /* $Id: DynamicGetter.java,v 1.1 2008/07/26 07:56:13 m31 Exp $
2    *
3    * This file is part of the project "Hilbert II" - http://www.qedeq.org
4    *
5    * Copyright 2000-2008, Michael Meyling <mime@qedeq.org>.
6    *
7    * "Hilbert II" is free software; you can redistribute
8    * it and/or modify it under the terms of the GNU General Public
9    * License as published by the Free Software Foundation; either
10    * version 2 of the License, or (at your option) any later version.
11    *
12    * This program is distributed in the hope that it will be useful,
13    * but WITHOUT ANY WARRANTY; without even the implied warranty of
14    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15    * GNU General Public License for more details.
16    */
17   
18    package org.qedeq.base.test;
19   
20    import java.lang.reflect.InvocationTargetException;
21    import java.lang.reflect.Method;
22   
23    import org.qedeq.base.trace.Trace;
24   
25    /**
26    * Get result of getter expression chain. A string is interpreted as an getter call chain and
27    * is called on a given object. The resulting object is returned.
28    *
29    * @version $Revision: 1.1 $
30    * @author Michael Meyling
31    */
 
32    public final class DynamicGetter {
33   
34    /** This class. */
35    private static final Class CLASS = DynamicGetter.class;
36   
37    /**
38    * Constructor.
39    */
 
40  0 toggle private DynamicGetter() {
41    // nothing to do
42    }
43   
 
44  429487 toggle private static final Object getMethodResult(final Object obj, final String methodParam)
45    throws IllegalAccessException, InvocationTargetException {
46  429487 String methodName = methodParam;
47  429487 Object[] param;
48  429487 int pos = methodName.indexOf("(");
49  429487 if (pos >= 0) {
50  429487 methodName = methodName.substring(0, pos);
51  429487 if (')' == methodParam.charAt(pos + 1)) {
52  271086 param = new Object[0];
53    } else {
54  158401 param = new Object[1];
55  158401 param[0] = new Integer(Integer.parseInt(methodParam.substring(pos + 1,
56    methodParam.length() - 1)));
57    }
58    } else {
59  0 param = new Object[0];
60    }
61    // mime 20050622: check parameter types and length, support string parameters
62  429487 if (obj == null) {
63  0 Trace.trace(DynamicGetter.class, "getMethodResult(Object)", "obj = null!");
64    }
65  429487 final Method[] method = obj.getClass().getDeclaredMethods();
66  4123759 for (int i = 0; i < method.length; i++) {
67  4123759 if (method[i].getName().equals(methodName)) {
68  429487 Trace.trace(CLASS, "getMethodResult(Object)", "invoking:",
69    method[i].getName());
70  429487 return method[i].invoke(obj, param);
71    }
72    }
73    // mime 20050622: other exception?
74  0 throw new RuntimeException("method not found: " + methodName);
75    }
76   
77    /**
78    * Interpret string as getter call chain end return result.
79    *
80    * @param object Call getters on this object.
81    * @param methodParam Getter chain like <code>getHeader().getAuthorList().getAuthor(0)</code>.
82    * @return Expression result.
83    * @throws IllegalAccessException
84    * @throws InvocationTargetException
85    */
 
86  32416 toggle public static final Object get(final Object object, final String methodParam)
87    throws IllegalAccessException, InvocationTargetException {
88  32416 Object result = object;
89  32416 int posOld = 0; // last found "." position
90  32416 int pos = 0; // current "." position
91   
92  32416 Trace.param(CLASS, "get(Object, String)", "methodParam", methodParam);
93    // iterate expressions
94  ? while (0 <= (pos = methodParam.indexOf(".", posOld))) {
95  397071 String method = methodParam.substring(posOld, pos);
96  397071 posOld = pos + 1;
97  397071 Trace.param(CLASS, "get(Object, String)", "method", method);
98  397071 Object result2 = getMethodResult(result, method);
99  397071 if (result2 == null) {
100  0 Trace.trace(CLASS, "get(Object, String)", "result = null");
101    }
102  397071 result = result2;
103    }
104   
105    // ????????????
106   
107    // last expression (must not be an getter)
108  32416 Trace.param(CLASS, "get(Object, String)", "method",
109    methodParam.substring(posOld));
110  32416 return getMethodResult(result, methodParam.substring(posOld));
111    }
112    }
 
CloverReport generated by Clover Code Coverage v2.3.1
Sa Aug 2 2008 13:56:32 CEST.		   Clover: Open Source License registered to qedeq.org .