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Diffstat (limited to 'libjava/classpath/javax/xml/transform/TransformerException.java')
| -rw-r--r-- | libjava/classpath/javax/xml/transform/TransformerException.java | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/libjava/classpath/javax/xml/transform/TransformerException.java b/libjava/classpath/javax/xml/transform/TransformerException.java new file mode 100644 index 000000000..ac83e969c --- /dev/null +++ b/libjava/classpath/javax/xml/transform/TransformerException.java @@ -0,0 +1,246 @@ +/* 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 gnu.java.lang.CPStringBuilder; + +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(); + CPStringBuilder buffer = new CPStringBuilder (); + 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); + } + } + +} |