001: /*
002: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003: *
004: * This file is part of Resin(R) Open Source
005: *
006: * Each copy or derived work must preserve the copyright notice and this
007: * notice unmodified.
008: *
009: * Resin Open Source is free software; you can redistribute it and/or modify
010: * it under the terms of the GNU General Public License as published by
011: * the Free Software Foundation; either version 2 of the License, or
012: * (at your option) any later version.
013: *
014: * Resin Open Source is distributed in the hope that it will be useful,
015: * but WITHOUT ANY WARRANTY; without even the implied warranty of
016: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017: * of NON-INFRINGEMENT. See the GNU General Public License for more
018: * details.
019: *
020: * You should have received a copy of the GNU General Public License
021: * along with Resin Open Source; if not, write to the
022: * Free SoftwareFoundation, Inc.
023: * 59 Temple Place, Suite 330
024: * Boston, MA 02111-1307 USA
025: *
026: * @author Scott Ferguson
027: */
028:
029: package com.caucho.naming;
030:
031: import com.caucho.util.ExceptionWrapper;
032:
033: import javax.naming.NamingException;
034: import java.io.PrintStream;
035: import java.io.PrintWriter;
036:
037: /**
038: * Wraps the actual exception with a Naming exception
039: */
040: public class NamingExceptionWrapper extends NamingException implements
041: ExceptionWrapper {
042: private Throwable _rootCause;
043:
044: /**
045: * Null constructor for beans
046: */
047: public NamingExceptionWrapper() {
048: }
049:
050: /**
051: * Create a basic NamingExceptionWrapper with a message.
052: *
053: * @param msg the exception message.
054: */
055: public NamingExceptionWrapper(String msg) {
056: super (msg);
057: }
058:
059: /**
060: * Create a NamingExceptionWrapper wrapping a root exception.
061: *
062: * @param rootCause the underlying wrapped exception.
063: */
064: public NamingExceptionWrapper(Throwable rootCause) {
065: super (rootCause.getMessage());
066:
067: _rootCause = rootCause;
068: }
069:
070: /**
071: * Returns the root exception if it exists.
072: *
073: * @return the underlying wrapped exception.
074: */
075: public Throwable getRootCause() {
076: return _rootCause;
077: }
078:
079: /**
080: * Returns the root exception if it exists.
081: *
082: * @return the underlying wrapped exception.
083: */
084: @Override
085: public Throwable getCause() {
086: return _rootCause;
087: }
088:
089: /**
090: * Returns the appropriate exception message.
091: */
092: public String getMessage() {
093: if (_rootCause != null)
094: return _rootCause.getMessage();
095: else
096: return super .getMessage();
097: }
098:
099: /**
100: * Prints the stack trace, preferring the root cause if it exists.
101: */
102: public void printStackTrace() {
103: if (_rootCause != null)
104: _rootCause.printStackTrace();
105: else
106: super .printStackTrace();
107: }
108:
109: /**
110: * Prints the stack trace, preferring the root cause if it exists.
111: */
112: public void printStackTrace(PrintStream os) {
113: if (_rootCause != null)
114: _rootCause.printStackTrace(os);
115: else
116: super .printStackTrace(os);
117: }
118:
119: /**
120: * Prints the stack trace, preferring the root cause if it exists.
121: */
122: public void printStackTrace(PrintWriter os) {
123: if (_rootCause != null)
124: _rootCause.printStackTrace(os);
125: else
126: super .printStackTrace(os);
127: }
128:
129: /**
130: * Print the exception as a string.
131: */
132: public String toString() {
133: if (_rootCause == null)
134: return super .toString();
135: else
136: return getClass().getName() + ": " + _rootCause;
137: }
138: }
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