| /* TransformerException.java -- |
| Copyright (C) 2004, 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| package javax.xml.transform; |
| |
| import java.io.PrintStream; |
| import java.io.PrintWriter; |
| |
| /** |
| * An exception occurred during the transformation process. |
| * |
| * @author (a href='mailto:dog@gnu.org'>Chris Burdess</a) |
| */ |
| public class TransformerException |
| extends Exception |
| { |
| private static final long serialVersionUID = 975798773772956428L; |
| |
| // Field names fixed by serialization spec. |
| private SourceLocator locator; |
| private Throwable containedException; |
| |
| /** |
| * Constructor with a detail message. |
| */ |
| public TransformerException(String msg) |
| { |
| this(msg, null, null); |
| } |
| |
| /** |
| * Constructor with an underlying cause. |
| */ |
| public TransformerException(Throwable cause) |
| { |
| this(cause.getMessage(), null, cause); |
| } |
| |
| /** |
| * Constructor with a detail message and underlying cause. |
| */ |
| public TransformerException(String msg, Throwable cause) |
| { |
| this(msg, null, cause); |
| } |
| |
| /** |
| * Constructor with a detail message and locator. |
| */ |
| public TransformerException(String msg, SourceLocator locator) |
| { |
| this(msg, locator, null); |
| } |
| |
| /** |
| * Constructor with detail message, locator and underlying cause. |
| */ |
| public TransformerException(String msg, SourceLocator locator, |
| Throwable cause) |
| { |
| super(msg); |
| this.locator = locator; |
| if (cause != null) |
| { |
| initCause(cause); |
| this.containedException = cause; |
| } |
| } |
| |
| /** |
| * Returns a locator indicating where the error occurred. |
| */ |
| public SourceLocator getLocator() |
| { |
| return locator; |
| } |
| |
| /** |
| * Sets the locator indicating where the error occurred. |
| */ |
| public void setLocator(SourceLocator location) |
| { |
| locator = location; |
| } |
| |
| /** |
| * Returns the underlying cause of this exception. |
| */ |
| public Throwable getException() |
| { |
| return containedException; |
| } |
| |
| /** |
| * Returns the underlying cause of this exception. |
| */ |
| public Throwable getCause() |
| { |
| return containedException; |
| } |
| |
| /** |
| * Initializes the root cause of this exception. |
| * This method may be called only once, and will be called by the |
| * constructor if a non-null cause is specified. |
| * Really phenomenally poor API design. |
| * @param cause the underlying cause |
| * @exception IllegalArgumentException if this exception is passed as the |
| * argument |
| * @exception IllegalStateException if a cause has already been |
| * initialized |
| */ |
| public Throwable initCause(Throwable cause) |
| { |
| if (this.containedException != null) |
| { |
| throw new IllegalStateException(); |
| } |
| if (cause == this) |
| { |
| throw new IllegalArgumentException(); |
| } |
| this.containedException = cause; |
| return this; |
| } |
| |
| /** |
| * Returns the exception message with location information appended. |
| */ |
| public String getMessageAndLocation() |
| { |
| return (locator == null) ? getMessage() : |
| getMessage() + ": " + getLocationAsString(); |
| } |
| |
| /** |
| * Returns the location information as a string. |
| */ |
| public String getLocationAsString() |
| { |
| if (locator == null) |
| { |
| return null; |
| } |
| String publicId = locator.getPublicId(); |
| String systemId = locator.getSystemId(); |
| int lineNumber = locator.getLineNumber(); |
| int columnNumber = locator.getColumnNumber(); |
| StringBuffer buffer = new StringBuffer (); |
| if (publicId != null) |
| { |
| buffer.append ("publicId="); |
| buffer.append (publicId); |
| } |
| if (systemId != null) |
| { |
| if (buffer.length() > 0) |
| { |
| buffer.append(' '); |
| } |
| buffer.append ("systemId="); |
| buffer.append (systemId); |
| } |
| if (lineNumber != -1) |
| { |
| if (buffer.length() > 0) |
| { |
| buffer.append(' '); |
| } |
| buffer.append ("lineNumber="); |
| buffer.append (lineNumber); |
| } |
| if (columnNumber != -1) |
| { |
| if (buffer.length() > 0) |
| { |
| buffer.append(' '); |
| } |
| buffer.append ("columnNumber="); |
| buffer.append (columnNumber); |
| } |
| return buffer.toString(); |
| } |
| |
| public void printStackTrace() |
| { |
| printStackTrace(System.out); |
| } |
| |
| public void printStackTrace(PrintStream s) |
| { |
| super.printStackTrace(s); |
| if (containedException != null) |
| { |
| s.print("caused by "); |
| containedException.printStackTrace(s); |
| } |
| } |
| |
| public void printStackTrace(PrintWriter s) |
| { |
| super.printStackTrace(s); |
| if (containedException != null) |
| { |
| s.print("caused by "); |
| containedException.printStackTrace(s); |
| } |
| } |
| |
| } |