| /* Copyright 2004 The Apache Software Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.xmlbeans.xml.stream; |
| |
| import java.io.IOException; |
| import java.io.PrintStream; |
| import java.io.PrintWriter; |
| |
| import org.apache.xmlbeans.xml.stream.utils.NestedThrowable; |
| |
| /** |
| * The base exception for unexpected input during XML handling |
| * |
| * @since Weblogic XML Input Stream 1.0 |
| * @version 1.0 |
| */ |
| |
| public class XMLStreamException |
| extends IOException |
| implements NestedThrowable |
| { |
| protected Throwable th; |
| |
| public XMLStreamException() {} |
| |
| public XMLStreamException(String msg) { |
| super(msg); |
| } |
| |
| public XMLStreamException(Throwable th) { |
| this.th = th; |
| |
| } |
| |
| public XMLStreamException(String msg, Throwable th) { |
| super(msg); |
| this.th = th; |
| } |
| |
| /** |
| * Gets the nested exception. |
| * |
| * @return Nested exception |
| */ |
| public Throwable getNestedException() { |
| return getNested(); |
| } |
| |
| //try to do someting useful |
| public String getMessage() { |
| String msg = super.getMessage(); |
| |
| if (msg == null && th != null) { |
| return th.getMessage(); |
| } else { |
| return msg; |
| } |
| } |
| |
| |
| // ================================================================= |
| // NestedThrowable implementation. |
| |
| /** |
| * Gets the nested Throwable. |
| * |
| * @return Nested exception |
| */ |
| public Throwable getNested() { |
| return th; |
| } |
| |
| public String superToString() { |
| return super.toString(); |
| } |
| |
| public void superPrintStackTrace(PrintStream ps) { |
| super.printStackTrace(ps); |
| } |
| |
| public void superPrintStackTrace(PrintWriter pw) { |
| super.printStackTrace(pw); |
| } |
| |
| // End NestedThrowable implementation. |
| // ================================================================= |
| |
| /** |
| * Prints the exception message and its nested exception message. |
| * |
| * @return String representation of the exception |
| */ |
| public String toString() { |
| return NestedThrowable.Util.toString(this); |
| } |
| |
| /** |
| * Prints the stack trace associated with this exception and |
| * its nested exception. |
| * |
| * @param s PrintStream |
| */ |
| public void printStackTrace(PrintStream s) { |
| NestedThrowable.Util.printStackTrace(this, s); |
| } |
| |
| /** |
| * Prints the stack trace associated with this exception and |
| * its nested exception. |
| * |
| * @param s PrintStream |
| */ |
| public void printStackTrace(PrintWriter w) { |
| NestedThrowable.Util.printStackTrace(this, w); |
| } |
| |
| /** |
| * Prints the stack trace associated with this exception and |
| * its nested exception to System.err. |
| * |
| * @param s PrintStream |
| */ |
| public void printStackTrace() { |
| printStackTrace(System.err); |
| } |
| } |
| |
| |