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1 package com.thoughtworks.xstream.converters.extended;
2
3 import com.thoughtworks.xstream.converters.ConversionException;
4
5 import java.lang.reflect.Field  ;
6
7
14 public class StackTraceElementFactory {
15
16 public StackTraceElement nativeMethodElement(String declaringClass, String methodName) {
17 return create(declaringClass, methodName, "Native Method", -2);
18 }
19
20 public StackTraceElement unknownSourceElement(String declaringClass, String methodName) {
21 return create(declaringClass, methodName, "Unknown Source", -1);
22 }
23
24 public StackTraceElement element(String declaringClass, String methodName, String fileName) {
25 return create(declaringClass, methodName, fileName, -1);
26 }
27
28 public StackTraceElement element(String declaringClass, String methodName, String fileName, int lineNumber) {
29 return create(declaringClass, methodName, fileName, lineNumber);
30 }
31
32 private StackTraceElement create(String declaringClass, String methodName, String fileName, int lineNumber) {
33 StackTraceElement result = new Throwable ().getStackTrace()[0];
34 setField(result, "declaringClass", declaringClass);
35 setField(result, "methodName", methodName);
36 setField(result, "fileName", fileName);
37 setField(result, "lineNumber", new Integer (lineNumber));
38 return result;
39 }
40
41 private void setField(StackTraceElement element, String fieldName, Object value) {
42 try {
43 final Field field = StackTraceElement .class.getDeclaredField(fieldName);
44 field.setAccessible(true);
45 field.set(element, value);
46 } catch (Exception e) {
47 throw new ConversionException(e);
48 }
49 }
50
51 }
52 |
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