/*
* Copyright 2008-2009 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.
*
* 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 org.visage.runtime;
import org.visage.runtime.sequence.Sequence;
/**
* ErrorHandler
*
* @author Brian Goetz
*/
public class ErrorHandler {
private static boolean suppressBindingExceptions = false;
private static boolean getBoolean(String property) {
try {
return Boolean.getBoolean(property);
} catch (SecurityException ignored) {
return false;
}
}
private final static boolean debug = getBoolean("visage.debug");
public static boolean isDebug() {
return debug;
}
public static boolean getSuppressBindingExceptions() {
return suppressBindingExceptions;
}
public static void setSuppressBindingExceptions(boolean suppressBindingExceptions) {
ErrorHandler.suppressBindingExceptions = suppressBindingExceptions;
}
/** Called when attempting to insert an element into a sequence at an out-of-bounds location */
public static<T> void outOfBoundsInsert(Sequence<T> seq, int index, T value) {
}
/** Called when attempting to replace an element of a sequence at an out-of-bounds location */
public static<T> void outOfBoundsReplace(Sequence<T> seq, int index, T value) {
}
/** Called when attempting to delete an element of a sequence at an out-of-bounds location */
public static<T> void outOfBoundsDelete(Sequence<T> seq, int index) {
}
/** Called when attempting to read an element of a sequence at an out-of-bounds location */
public static<T> void outOfBoundsRead(Sequence<T> seq, int index) {
}
/** Called when attempting to dereference a null value */
public static void nullDereference() {
}
public static void bindException(RuntimeException e) {
if (debug || !suppressBindingExceptions) {
System.err.println("Exception in binding:");
e.printStackTrace();
}
}
public static void triggerException(RuntimeException e) {
if (debug || !suppressBindingExceptions) {
System.err.println("Exception in trigger:");
e.printStackTrace();
}
}
/** Called when attempting to coerce a null numeric or boolean value to a primitive */
public static void nullToPrimitiveCoercion(String type) {
if (isDebug())
System.err.println("Coercing " + type + " to null");
}
/** Called when attempting to write a null value to a non-nullable variable */
public static void invalidNullWrite() {
}
}