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1
61
62
63 package org.jaxen;
64
65 import java.io.PrintStream  ;
66 import java.io.PrintWriter ;
67
68
69
76 public class JaxenException extends org.jaxen.saxpath.SAXPathException
77 {
78
79 static double javaVersion = 1.4;
80
81 static {
82 try {
83 String versionString = System.getProperty("java.version");
84 versionString = versionString.substring(0, 3);
85 javaVersion = Double.valueOf(versionString).doubleValue();
86 }
87 catch (Exception ex) {
88 }
91 }
92
93
98 public JaxenException( String message )
99 {
100 super( message );
101 }
102
103
108 public JaxenException( Throwable rootCause )
109 {
110 super( rootCause );
111 }
112
113
120 public JaxenException(String message, Throwable nestedException) {
121 super( message, nestedException );
122 }
123
124 private Throwable cause;
125 private boolean causeSet = false;
126
127
134 public Throwable getCause() {
135 return cause;
136 }
137
138
139
148 public Throwable initCause(Throwable cause) {
149 if (causeSet) throw new IllegalStateException ("Cause cannot be reset");
150 if (cause == this) throw new IllegalArgumentException ("Exception cannot be its own cause");
151 causeSet = true;
152 this.cause = cause;
153 return this;
154 }
155
156 public void printStackTrace( PrintStream s ) {
157 super.printStackTrace( s );
158 if ( javaVersion < 1.4 && getCause() != null )
159 {
160 s.print( "Caused by: " );
161 getCause().printStackTrace( s );
162 }
163 }
164
165 public void printStackTrace( PrintWriter w ) {
166 super.printStackTrace( w );
167 if ( javaVersion < 1.4 && getCause() != null )
169 {
170 w.print( "Caused by: " );
171 getCause().printStackTrace( w );
172 }
173 }
174
175 }
176
177 |
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