Added exceptions

git-svn-id: https://code.elgg.org/elgg/trunk@15 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 73 insertions, 0 deletions

diff --git a/engine/lib/exceptions.php b/engine/lib/exceptions.php
new file mode 100644
index 000000000..d90513cfc
--- /dev/null
+++ b/engine/lib/exceptions.php
@@ -0,0 +1,73 @@
+<?php
+	/**
+	 * Exceptions.
+	 * Define some globally useful exception classes.
+	 * 
+	 * @package Elgg
+	 * @subpackage Exceptions
+	 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
+	 * @author Marcus Povey <marcus@dushka.co.uk>
+	 * @copyright Curverider Ltd 2008
+	 * @link http://elgg.org/
+	 */
+
+	// Top level //////////////////////////////////////////////////////////////////////////////
+
+	/**
+	 * @class IOException 
+	 * An IO Exception, throw when an IO Exception occurs. Subclass for specific IO Exceptions.
+	 * @author Marcus Povey <marcus@dushka.co.uk>
+	 */
+	class IOException extends Exception {}
+
+	/**
+	 * @class ClassException 
+	 * A class Exception, throw when there is a class error.
+	 * @author Marcus Povey <marcus@dushka.co.uk>
+	 */
+	class ClassException extends Exception {}
+
+	/**
+	 * @class ConfigurationException 
+	 * There is a configuration error
+	 * @author Marcus Povey <marcus@dushka.co.uk>
+	 */
+	class ConfigurationException extends Exception {}
+
+	/**
+	 * @class SecurityException 
+	 * An Security Exception, throw when a Security Exception occurs. Subclass for specific Security Execeptions (access problems etc)
+	 * @author Marcus Povey <marcus@dushka.co.uk>
+	 */
+	class SecurityException extends Exception {}
+
+	/**
+	 * @class ClassNotFoundException 
+	 * An database exception, throw when a database exception happens, subclass if more detail is needed.
+	 * @author Marcus Povey <marcus@dushka.co.uk>
+	 */
+	class DatabaseException extends Exception {}
+
+	/**
+	 * @class APIException
+	 * The API Exception class, thrown by the API layer when an API call has an issue.
+	 * @author Marcus Povey <marcus@dushka.co.uk>
+	 */
+	class APIException extends Exception {}
+	
+	// Class exceptions ///////////////////////////////////////////////////////////////////////
+
+	/**
+	 * @class InvalidClassException 
+	 * An invalid class Exception, throw when a class is invalid.
+	 * @author Marcus Povey <marcus@dushka.co.uk>
+	 */
+	class InvalidClassException extends ClassException {}
+
+	/**
+	 * @class ClassNotFoundException 
+	 * An Class not found Exception, throw when an class can not be found occurs.
+	 * @author Marcus Povey <marcus@dushka.co.uk>
+	 */
+	class ClassNotFoundException extends ClassException {}
+?>
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