jdk-sandbox: comparison jaxp/src/share/classes/javax/xml/transform/TransformerException.java

equal deleted inserted replaced

-:fd16c54261b3
+:7f561c08de6b
+/*
+* Copyright 2000-2006 Sun Microsystems, Inc.  All Rights Reserved.
+* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+*
+* This code is free software; you can redistribute it and/or modify it
+* under the terms of the GNU General Public License version 2 only, as
+* published by the Free Software Foundation.  Sun designates this
+* particular file as subject to the "Classpath" exception as provided
+* by Sun in the LICENSE file that accompanied this code.
+*
+* This code 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
+* version 2 for more details (a copy is included in the LICENSE file that
+* accompanied this code).
+*
+* You should have received a copy of the GNU General Public License version
+* 2 along with this work; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+* CA 95054 USA or visit www.sun.com if you need additional information or
+* have any questions.
+*/
+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();
+}
+}