Clover Coverage Report
Coverage timestamp: Sat Sep 18 2010 04:09:52 UTC
Overview   Package   File
    FRAMES   NO FRAMES     
../../../../img/srcFileCovDistChart8.png 50% of files have more coverage
32   110   10   10.67
14   59   0.31   3
3     3.33  
1    
 
  DynamicGetter       Line # 30 32 10 77.6% 0.7755102
 
  (9)
 
1    /* This file is part of the project "Hilbert II" - http://www.qedeq.org
2    *
3    * Copyright 2000-2010, Michael Meyling <mime@qedeq.org>.
4    *
5    * "Hilbert II" is free software; you can redistribute
6    * it and/or modify it under the terms of the GNU General Public
7    * License as published by the Free Software Foundation; either
8    * version 2 of the License, or (at your option) any later version.
9    *
10    * This program 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
13    * GNU General Public License for more details.
14    */
15   
16    package org.qedeq.base.test;
17   
18    import java.lang.reflect.InvocationTargetException;
19    import java.lang.reflect.Method;
20   
21    import org.qedeq.base.trace.Trace;
22   
23    /**
24    * Get result of getter expression chain. A string is interpreted as an getter call chain and
25    * is called on a given object. The resulting object is returned.
26    *
27    * @version $Revision: 1.1 $
28    * @author Michael Meyling
29    */
 
30    public final class DynamicGetter {
31   
32    /** This class. */
33    private static final Class CLASS = DynamicGetter.class;
34   
35    /**
36    * Constructor.
37    */
 
38  0 toggle private DynamicGetter() {
39    // nothing to do
40    }
41   
 
42  441553 toggle private static final Object getMethodResult(final Object obj, final String methodParam)
43    throws IllegalAccessException, InvocationTargetException {
44  441553 String methodName = methodParam;
45  441553 Object[] param;
46  441553 int pos = methodName.indexOf("(");
47  441553 if (pos >= 0) {
48  441553 methodName = methodName.substring(0, pos);
49  441553 if (')' == methodParam.charAt(pos + 1)) {
50  278602 param = new Object[0];
51    } else {
52  162951 param = new Object[1];
53  162951 param[0] = new Integer(Integer.parseInt(methodParam.substring(pos + 1,
54    methodParam.length() - 1)));
55    }
56    } else {
57  0 param = new Object[0];
58    }
59    // mime 20050622: check parameter types and length, support string parameters
60  441553 if (obj == null) {
61  0 Trace.trace(DynamicGetter.class, "getMethodResult(Object)", "obj = null!");
62    }
63  441553 final Method[] method = obj.getClass().getDeclaredMethods();
64  3822772 for (int i = 0; i < method.length; i++) {
65  3822772 if (method[i].getName().equals(methodName)) {
66  441553 Trace.trace(CLASS, "getMethodResult(Object)", "invoking:",
67    method[i].getName());
68  441553 return method[i].invoke(obj, param);
69    }
70    }
71    // mime 20050622: other exception?
72  0 throw new RuntimeException("method not found: " + methodName);
73    }
74   
75    /**
76    * Interpret string as getter call chain end return result.
77    *
78    * @param object Call getters on this object.
79    * @param methodParam Getter chain like <code>getHeader().getAuthorList().getAuthor(0)</code>.
80    * @return Expression result.
81    * @throws IllegalAccessException
82    * @throws InvocationTargetException
83    */
 
84  33360 toggle public static final Object get(final Object object, final String methodParam)
85    throws IllegalAccessException, InvocationTargetException {
86  33360 Object result = object;
87  33360 int posOld = 0; // last found "." position
88  33360 int pos = 0; // current "." position
89   
90  33360 Trace.param(CLASS, "get(Object, String)", "methodParam", methodParam);
91    // iterate expressions
92  ? while (0 <= (pos = methodParam.indexOf(".", posOld))) {
93  408193 String method = methodParam.substring(posOld, pos);
94  408193 posOld = pos + 1;
95  408193 Trace.param(CLASS, "get(Object, String)", "method", method);
96  408193 Object result2 = getMethodResult(result, method);
97  408193 if (result2 == null) {
98  0 Trace.trace(CLASS, "get(Object, String)", "result = null");
99    }
100  408193 result = result2;
101    }
102   
103    // ????????????
104   
105    // last expression (must not be an getter)
106  33360 Trace.param(CLASS, "get(Object, String)", "method",
107    methodParam.substring(posOld));
108  33360 return getMethodResult(result, methodParam.substring(posOld));
109    }
110    }
 
CloverReport generated by Clover Code Coverage v2.3.1
Sat Sep 18 2010 04:09:52 UTC.		   Clover: Open Source License registered to qedeq.org .