001: /*
002: Loader - tool for transfering data from one JDBC source to another and
003: doing transformations during copy.
004: Copyright (C) 2002 Together
005: This library is free software; you can redistribute it and/or
006: modify it under the terms of the GNU Lesser General Public
007: License as published by the Free Software Foundation; either
008: version 2.1 of the License, or (at your option) any later version.
009: This library is distributed in the hope that it will be useful,
010: but WITHOUT ANY WARRANTY; without even the implied warranty of
011: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012: Lesser General Public License for more details.
013: You should have received a copy of the GNU Lesser General Public
014: License along with this library; if not, write to the Free Software
015: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
016: LoaderException.java
017: Date: 22.09.2001.
018: @version 1.0
019: @author:
020: Milosevic Sinisa
021: */
022:
023: package org.webdocwf.util.loader;
024:
025: import java.io.ByteArrayOutputStream;
026: import java.io.PrintStream;
027: import java.io.PrintWriter;
028:
029: /**
030: *
031: * LoaderException class is used for handling the exceptions in
032: * Enhydra Octopus application.
033: * @author Milosevic Sinisa
034: * @version 1.0
035: */
036: public class LoaderException extends Exception {
037:
038: private Throwable cause;
039:
040: /**
041: * This is the public constructor with one parameter
042: * @param msg is constructor argument
043: */
044: public LoaderException(String msg) {
045: super (msg);
046: cause = null;
047: }
048:
049: /**
050: * This is the public constructor with two parameter
051: * @param msg is first constructor parameter
052: * @param cause is secund constructor parameter
053: */
054: public LoaderException(String msg, Throwable cause) {
055: super (msg);
056: this .cause = cause;
057: }
058:
059: /**
060: * This method read message from exception object
061: * @return message
062: */
063: public String getMessage() {
064: return super .getMessage();
065: }
066:
067: /**
068: * Gets the exception associated with this exception.
069: * @return The exception or null if no cause is specified.
070: */
071: public Throwable getCause() {
072: return cause;
073: }
074:
075: /**
076: * Prints this ChainedException and its backtrace, and the causes
077: * and their stack traces to the standard error stream.
078: */
079: public void printStackTrace() {
080: super .printStackTrace();
081: Throwable a = new Throwable();
082: a.printStackTrace();
083: }
084:
085: /**
086: * Prints this LoaderException and its backtrace, and the causes
087: * and their stack traces to the e specified print stream.
088: * @param s represents PrintWriter stream
089: */
090: public void printStackTrace(PrintStream s) {
091: super .printStackTrace(s);
092: Throwable a = new Throwable();
093: a.printStackTrace(s);
094: }
095:
096: /**
097: * Prints this LoaderException and its backtrace, and the causes
098: * and their stack traces to the specified print writer.
099: * @param s represents PrintWriter stream
100: */
101: public void printStackTrace(PrintWriter s) {
102: super .printStackTrace(s);
103: Throwable a = new Throwable();
104: a.printStackTrace(s);
105: }
106:
107: /**
108: * Construct string with stack trace.
109: * @return String representation of stack trace.
110: */
111: public String getStackTraceAsString() {
112: ByteArrayOutputStream out = new ByteArrayOutputStream();
113: this .printStackTrace(new PrintStream(out));
114: return out.toString();
115: }
116: }
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