|
1
51 package org.apache.fop.apps;
52
53 import org.xml.sax.SAXException  ;
54
55
56
59 public class FOPException extends Exception {
60
61 private static final String EXCEPTION_SEPARATOR = "\n---------\n";
62
63 private Throwable _exception;
64 private String systemId;
65 private int line;
66 private int column;
67
68
73 public FOPException(String message) {
74 super(message);
75 systemId = null;
76 line = -1;
77 column = -1;
78 }
79
80 public FOPException(String message, String systemId, int line, int column) {
81 super(message);
82 this.systemId = systemId;
83 this.line = line;
84 this.column = column;
85 }
86
87 public FOPException(Throwable e) {
88 super(e.getMessage());
89 setException(e);
90 systemId = null;
91 line = -1;
92 column = -1;
93 }
94
95 public FOPException(Throwable e, String systemId, int line, int column) {
96 super(e.getMessage());
97 setException(e);
98 this.systemId = systemId;
99 this.line = line;
100 this.column = column;
101 }
102
103 public FOPException(String message, Throwable e) {
104 super(message);
105 setException(e);
106 systemId = null;
107 line = -1;
108 column = -1;
109 }
110
111 public FOPException(String message, Throwable e, String systemId, int line, int column) {
112 super(message);
113 setException(e);
114 this.systemId = systemId;
115 this.line = line;
116 this.column = column;
117 }
118
119 protected void setException(Throwable t) {
120 _exception = t;
121 }
122
123 public Throwable getException() {
124 return _exception;
125 }
126
127 public void setLocation(String systemId, int line, int column) {
128 this.systemId = systemId;
129 this.line = line;
130 this.column = column;
131 }
132
133 public boolean isLocationSet() {
134 return line>=0;
135 }
136
137 protected Throwable getRootException() {
138 Throwable result = _exception;
139
140 if (result instanceof SAXException ) {
141 result = ((SAXException )result).getException();
142 }
143 if (result instanceof java.lang.reflect.InvocationTargetException ) {
144 result =
145 ((java.lang.reflect.InvocationTargetException )result).getTargetException();
146 }
147 if (result != _exception) {
148 return result;
149 }
150 return null;
151 }
152
153 public String getMessage() {
154 if (line>=0) {
155 return systemId+':'+line+':'+column+' '+super.getMessage();
156 } else {
157 return super.getMessage();
158 }
159 }
160
161 public void printStackTrace() {
162 synchronized (System.err) {
163 super.printStackTrace();
164 if (_exception != null) {
165 System.err.println(EXCEPTION_SEPARATOR);
166 _exception.printStackTrace();
167 }
168 if (getRootException() != null) {
169 System.err.println(EXCEPTION_SEPARATOR);
170 getRootException().printStackTrace();
171 }
172 }
173 }
174
175 public void printStackTrace(java.io.PrintStream stream) {
176 synchronized (stream) {
177 super.printStackTrace(stream);
178 if (_exception != null) {
179 stream.println(EXCEPTION_SEPARATOR);
180 _exception.printStackTrace(stream);
181 }
182 if (getRootException() != null) {
183 stream.println(EXCEPTION_SEPARATOR);
184 getRootException().printStackTrace(stream);
185 }
186 }
187 }
188
189 public void printStackTrace(java.io.PrintWriter writer) {
190 synchronized (writer) {
191 super.printStackTrace(writer);
192 if (_exception != null) {
193 writer.println(EXCEPTION_SEPARATOR);
194 _exception.printStackTrace(writer);
195 }
196 if (getRootException() != null) {
197 writer.println(EXCEPTION_SEPARATOR);
198 getRootException().printStackTrace(writer);
199 }
200 }
201 }
202
203 }
204 |
Popular Tags |
Java API By Example, From Geeks To Geeks.