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/* * The contents of this file are subject to the terms * of the Common Development and Distribution License * (the "License"). You may not use this file except * in compliance with the License. * * You can obtain a copy of the license at * https://jaxp.dev.java.net/CDDLv1.0.html. * See the License for the specific language governing * permissions and limitations under the License. * * When distributing Covered Code, include this CDDL * HEADER in each file and include the License file at * https://jaxp.dev.java.net/CDDLv1.0.html * If applicable add the following below this CDDL HEADER * with the fields enclosed by brackets "[]" replaced with * your own identifying information: Portions Copyright * [year] [name of copyright owner] */ /* * $Id: TransformerException.java,v 1.5 2005/11/03 19:34:23 jeffsuttor Exp $ * @(#)TransformerException.java 1.28 06/06/21 * * Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. */ package javax.xml.transform; import java.lang.reflect.Method; import java.lang.reflect.InvocationTargetException; /** * This class specifies an exceptional condition that occured * during the transformation process. */ public class TransformerException extends Exception { /** Field locator specifies where the error occured */ SourceLocator locator; /** * Method getLocator retrieves an instance of a SourceLocator * object that specifies where an error occured. * * @return A SourceLocator object, or null if none was specified. */ public SourceLocator getLocator() { return locator; } /** * Method setLocator sets an instance of a SourceLocator * object that specifies where an error occured. * * @param location A SourceLocator object, or null to clear the location. */ public void setLocator(SourceLocator location) { locator = location; } /** Field containedException specifies a wrapped exception. May be null. */ Throwable containedException; /** * This method retrieves an exception that this exception wraps. * * @return An Throwable object, or null. * @see #getCause */ public Throwable getException() { return containedException; } /** * Returns the cause of this throwable or <code>null</code> if the * cause is nonexistent or unknown. (The cause is the throwable that * caused this throwable to get thrown.) */ public Throwable getCause() { return ((containedException == this) ? null : containedException); } /** * Initializes the <i>cause</i> of this throwable to the specified value. * (The cause is the throwable that caused this throwable to get thrown.) * * <p>This method can be called at most once. It is generally called from * within the constructor, or immediately after creating the * throwable. If this throwable was created * with {@link #TransformerException(Throwable)} or * {@link #TransformerException(String,Throwable)}, this method cannot be called * even once. * * @param cause the cause (which is saved for later retrieval by the * {@link #getCause()} method). (A <code>null</code> value is * permitted, and indicates that the cause is nonexistent or * unknown.) * @return a reference to this <code>Throwable</code> instance. * @throws IllegalArgumentException if <code>cause</code> is this * throwable. (A throwable cannot * be its own cause.) * @throws IllegalStateException if this throwable was * created with {@link #TransformerException(Throwable)} or * {@link #TransformerException(String,Throwable)}, or this method has already * been called on this throwable. */ public synchronized Throwable initCause(Throwable cause) { if (this.containedException != null) { throw new IllegalStateException("Can't overwrite cause"); } if (cause == this) { throw new IllegalArgumentException( "Self-causation not permitted"); } this.containedException = cause; return this; } /** * Create a new TransformerException. * * @param message The error or warning message. */ public TransformerException(String message) { super(message); this.containedException = null; this.locator = null; } /** * Create a new TransformerException wrapping an existing exception. * * @param e The exception to be wrapped. */ public TransformerException(Throwable e) { super(e.toString()); this.containedException = e; this.locator = null; } /** * Wrap an existing exception in a TransformerException. * * <p>This is used for throwing processor exceptions before * the processing has started.</p> * * @param message The error or warning message, or null to * use the message from the embedded exception. * @param e Any exception */ public TransformerException(String message, Throwable e) { super(((message == null) || (message.length() == 0)) ? e.toString() : message); this.containedException = e; this.locator = null; } /** * Create a new TransformerException from a message and a Locator. * * <p>This constructor is especially useful when an application is * creating its own exception from within a DocumentHandler * callback.</p> * * @param message The error or warning message. * @param locator The locator object for the error or warning. */ public TransformerException(String message, SourceLocator locator) { super(message); this.containedException = null; this.locator = locator; } /** * Wrap an existing exception in a TransformerException. * * @param message The error or warning message, or null to * use the message from the embedded exception. * @param locator The locator object for the error or warning. * @param e Any exception */ public TransformerException(String message, SourceLocator locator, Throwable e) { super(message); this.containedException = e; this.locator = locator; } /** * Get the error message with location information * appended. * * @return A <code>String</code> representing the error message with * location information appended. */ public String getMessageAndLocation() { StringBuffer sbuffer = new StringBuffer(); String message = super.getMessage(); if (null != message) { sbuffer.append(message); } if (null != locator) { String systemID = locator.getSystemId(); int line = locator.getLineNumber(); int column = locator.getColumnNumber(); if (null != systemID) { sbuffer.append("; SystemID: "); sbuffer.append(systemID); } if (0 != line) { sbuffer.append("; Line#: "); sbuffer.append(line); } if (0 != column) { sbuffer.append("; Column#: "); sbuffer.append(column); } } return sbuffer.toString(); } /** * Get the location information as a string. * * @return A string with location info, or null * if there is no location information. */ public String getLocationAsString() { if (null != locator) { StringBuffer sbuffer = new StringBuffer(); String systemID = locator.getSystemId(); int line = locator.getLineNumber(); int column = locator.getColumnNumber(); if (null != systemID) { sbuffer.append("; SystemID: "); sbuffer.append(systemID); } if (0 != line) { sbuffer.append("; Line#: "); sbuffer.append(line); } if (0 != column) { sbuffer.append("; Column#: "); sbuffer.append(column); } return sbuffer.toString(); } else { return null; } } /** * Print the the trace of methods from where the error * originated. This will trace all nested exception * objects, as well as this object. */ public void printStackTrace() { printStackTrace(new java.io.PrintWriter(System.err, true)); } /** * Print the the trace of methods from where the error * originated. This will trace all nested exception * objects, as well as this object. * @param s The stream where the dump will be sent to. */ public void printStackTrace(java.io.PrintStream s) { printStackTrace(new java.io.PrintWriter(s)); } /** * Print the the trace of methods from where the error * originated. This will trace all nested exception * objects, as well as this object. * @param s The writer where the dump will be sent to. */ public void printStackTrace(java.io.PrintWriter s) { if (s == null) { s = new java.io.PrintWriter(System.err, true); } try { String locInfo = getLocationAsString(); if (null != locInfo) { s.println(locInfo); } super.printStackTrace(s); } catch (Throwable e) {} Throwable exception = getException(); for (int i = 0; (i < 10) && (null != exception); i++) { s.println("---------"); try { if (exception instanceof TransformerException) { String locInfo = ((TransformerException) exception) .getLocationAsString(); if (null != locInfo) { s.println(locInfo); } } exception.printStackTrace(s); } catch (Throwable e) { s.println("Could not print stack trace..."); } try { Method meth = ((Object) exception).getClass().getMethod("getException", (Class[]) null); if (null != meth) { Throwable prev = exception; exception = (Throwable) meth.invoke(exception, (Object[]) null); if (prev == exception) { break; } } else { exception = null; } } catch (InvocationTargetException ite) { exception = null; } catch (IllegalAccessException iae) { exception = null; } catch (NoSuchMethodException nsme) { exception = null; } } // insure output is written s.flush(); } }