jaxp/src/javax/xml/xpath/XPathException.java
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*** 24,44 ****
*/
package javax.xml.xpath;
import java.io.PrintWriter;
/**
* <code>XPathException</code> represents a generic XPath exception.</p>
*
* @author <a href="Norman.Walsh@Sun.com">Norman Walsh</a>
* @author <a href="mailto:Jeff.Suttor@Sun.COM">Jeff Suttor</a>
* @since 1.5
*/
public class XPathException extends Exception {
! private final Throwable cause;
/**
* <p>Stream Unique Identifier.</p>
*/
private static final long serialVersionUID = -1837080260374986980L;
--- 24,51 ----
*/
package javax.xml.xpath;
import java.io.PrintWriter;
+ import java.io.IOException;
+ import java.io.ObjectInputStream;
+ import java.io.ObjectOutputStream;
+ import java.io.ObjectStreamField;
+ import java.io.InvalidClassException;
/**
* <code>XPathException</code> represents a generic XPath exception.</p>
*
* @author <a href="Norman.Walsh@Sun.com">Norman Walsh</a>
* @author <a href="mailto:Jeff.Suttor@Sun.COM">Jeff Suttor</a>
* @since 1.5
*/
public class XPathException extends Exception {
! private static final ObjectStreamField[] serialPersistentFields = {
! new ObjectStreamField( "cause", Throwable.class )
! };
/**
* <p>Stream Unique Identifier.</p>
*/
private static final long serialVersionUID = -1837080260374986980L;
*** 60,70 ****
public XPathException(String message) {
super(message);
if ( message == null ) {
throw new NullPointerException ( "message can't be null");
}
- this.cause = null;
}
/**
* <p>Constructs a new <code>XPathException</code>
* with the specified <code>cause</code>.</p>
--- 67,76 ----
*** 75,86 ****
* @param cause The cause.
*
* @throws NullPointerException if <code>cause</code> is <code>null</code>.
*/
public XPathException(Throwable cause) {
! super();
! this.cause = cause;
if ( cause == null ) {
throw new NullPointerException ( "cause can't be null");
}
}
--- 81,91 ----
* @param cause The cause.
*
* @throws NullPointerException if <code>cause</code> is <code>null</code>.
*/
public XPathException(Throwable cause) {
! super(cause);
if ( cause == null ) {
throw new NullPointerException ( "cause can't be null");
}
}
*** 88,98 ****
* <p>Get the cause of this XPathException.</p>
*
* @return Cause of this XPathException.
*/
public Throwable getCause() {
! return cause;
}
/**
* <p>Print stack trace to specified <code>PrintStream</code>.</p>
*
--- 93,143 ----
* <p>Get the cause of this XPathException.</p>
*
* @return Cause of this XPathException.
*/
public Throwable getCause() {
! return super.getCause();
! }
!
! /**
! * Writes "cause" field to the stream.
! * The cause is got from the parent class.
! *
! * @param out stream used for serialization.
! * @throws IOException thrown by <code>ObjectOutputStream</code>
! *
! */
! private void writeObject(ObjectOutputStream out)
! throws IOException
! {
! ObjectOutputStream.PutField fields = out.putFields();
! fields.put("cause", (Throwable) super.getCause());
! out.writeFields();
! }
!
! /**
! * Reads the "cause" field from the stream.
! * And initializes the "cause" if it wasn't
! * done before.
! *
! * @param in stream used for deserialization
! * @throws IOException thrown by <code>ObjectInputStream</code>
! * @throws ClassNotFoundException thrown by <code>ObjectInputStream</code>
! */
! private void readObject(ObjectInputStream in)
! throws IOException, ClassNotFoundException
! {
! ObjectInputStream.GetField fields = in.readFields();
! Throwable scause = (Throwable) fields.get("cause", null);
!
! if (super.getCause() == null && scause != null) {
! try {
! super.initCause(scause);
! } catch(IllegalStateException e) {
! throw new InvalidClassException("Inconsistent state: two causes");
! }
! }
}
/**
* <p>Print stack trace to specified <code>PrintStream</code>.</p>
*