' . DIRECTORY_SEPARATOR;
+ }
+ }
+ $aRpl[$_SERVER['DOCUMENT_ROOT']] = '${DocumentRoot}';
+ $aRpl[str_replace('/', DIRECTORY_SEPARATOR, $_SERVER['DOCUMENT_ROOT'])] = '${DocumentRoot}';
+ $aRpl[PRADO_DIR . DIRECTORY_SEPARATOR] = '${PradoFramework}' . DIRECTORY_SEPARATOR;
+ if(isset($aRpl[DIRECTORY_SEPARATOR])) unset($aRpl[DIRECTORY_SEPARATOR]);
+ $aRpl = array_reverse($aRpl, true);
+
+ return str_replace(array_keys($aRpl), $aRpl, $value);
+ }
+
+ /**
+ * Displays error to the client user.
+ * THttpException and errors happened when the application is in Debug
+ * mode will be displayed to the client user.
+ * @param integer response status code
+ * @param Exception exception instance
+ */
+ protected function handleExternalError($statusCode,$exception)
+ {
+ if(!($exception instanceof THttpException))
+ error_log($exception->__toString());
+
+ $content=$this->getErrorTemplate($statusCode,$exception);
+
+ $serverAdmin=isset($_SERVER['SERVER_ADMIN'])?$_SERVER['SERVER_ADMIN']:'';
+
+ $isDebug = $this->getApplication()->getMode()===TApplicationMode::Debug;
+
+ $errorMessage = $exception->getMessage();
+ if($isDebug)
+ $version=$_SERVER['SERVER_SOFTWARE'].' PRADO/'.Prado::getVersion();
+ else
+ {
+ $version='';
+ $errorMessage = self::hideSecurityRelated($errorMessage, $exception);
+ }
+ $tokens=array(
+ '%%StatusCode%%' => "$statusCode",
+ '%%ErrorMessage%%' => htmlspecialchars($errorMessage),
+ '%%ServerAdmin%%' => $serverAdmin,
+ '%%Version%%' => $version,
+ '%%Time%%' => @strftime('%Y-%m-%d %H:%M',time())
+ );
+
+ $CGI=substr(php_sapi_name(), 0, 3) == 'cgi'; // FastCGI / IIS
+ if($isDebug)
+ {
+ if ($CGI)
+ header("Status: $statusCode ".$exception->getMessage(), true, TPropertyValue::ensureInteger($statusCode));
+ else
+ header("HTTP/1.0 $statusCode ".$exception->getMessage(), true, TPropertyValue::ensureInteger($statusCode));
+ } else {
+ if ($CGI)
+ header("Status: $statusCode", true, TPropertyValue::ensureInteger($statusCode));
+ else
+ header("HTTP/1.0 $statusCode", true, TPropertyValue::ensureInteger($statusCode));
+ }
+
+ echo strtr($content,$tokens);
+ }
+
+ /**
+ * Handles error occurs during error handling (called recursive error).
+ * THttpException and errors happened when the application is in Debug
+ * mode will be displayed to the client user.
+ * Error is displayed without using existing template to prevent further errors.
+ * @param Exception exception instance
+ */
+ protected function handleRecursiveError($exception)
+ {
+ if($this->getApplication()->getMode()===TApplicationMode::Debug)
+ {
+ echo "Recursive Error\n";
+ echo "Recursive Error
\n";
+ echo "".$exception->__toString()."
\n";
+ echo "";
+ }
+ else
+ {
+ error_log("Error happened while processing an existing error:\n".$exception->__toString());
+ header('HTTP/1.0 500 Internal Error');
+ }
+ }
+
+ /**
+ * Displays exception information.
+ * Exceptions are displayed with rich context information, including
+ * the call stack and the context source code.
+ * This method is only invoked when application is in Debug mode.
+ * @param Exception exception instance
+ */
+ protected function displayException($exception)
+ {
+ if(php_sapi_name()==='cli')
+ {
+ echo $exception->getMessage()."\n";
+ echo $exception->getTraceAsString();
+ return;
+ }
+
+ if($exception instanceof TTemplateException)
+ {
+ $fileName=$exception->getTemplateFile();
+ $lines=empty($fileName)?explode("\n",$exception->getTemplateSource()):@file($fileName);
+ $source=$this->getSourceCode($lines,$exception->getLineNumber());
+ if($fileName==='')
+ $fileName='---embedded template---';
+ $errorLine=$exception->getLineNumber();
+ }
+ else
+ {
+ if(($trace=$this->getExactTrace($exception))!==null)
+ {
+ $fileName=$trace['file'];
+ $errorLine=$trace['line'];
+ }
+ else
+ {
+ $fileName=$exception->getFile();
+ $errorLine=$exception->getLine();
+ }
+ $source=$this->getSourceCode(@file($fileName),$errorLine);
+ }
+
+ if($this->getApplication()->getMode()===TApplicationMode::Debug)
+ $version=$_SERVER['SERVER_SOFTWARE'].' PRADO/'.Prado::getVersion();
+ else
+ $version='';
+
+ $tokens=array(
+ '%%ErrorType%%' => get_class($exception),
+ '%%ErrorMessage%%' => $this->addLink(htmlspecialchars($exception->getMessage())),
+ '%%SourceFile%%' => htmlspecialchars($fileName).' ('.$errorLine.')',
+ '%%SourceCode%%' => $source,
+ '%%StackTrace%%' => htmlspecialchars($exception->getTraceAsString()),
+ '%%Version%%' => $version,
+ '%%Time%%' => @strftime('%Y-%m-%d %H:%M',time())
+ );
+
+ $content=$this->getExceptionTemplate($exception);
+
+ echo strtr($content,$tokens);
+ }
+
+ /**
+ * Retrieves the template used for displaying internal exceptions.
+ * Internal exceptions will be displayed with source code causing the exception.
+ * This occurs when the application is in debug mode.
+ * @param Exception the exception to be displayed
+ * @return string the template content
+ */
+ protected function getExceptionTemplate($exception)
+ {
+ $lang=Prado::getPreferredLanguage();
+ $exceptionFile=Prado::getFrameworkPath().'/Exceptions/templates/'.self::EXCEPTION_FILE_NAME.'-'.$lang.'.html';
+ if(!is_file($exceptionFile))
+ $exceptionFile=Prado::getFrameworkPath().'/Exceptions/templates/'.self::EXCEPTION_FILE_NAME.'.html';
+ if(($content=@file_get_contents($exceptionFile))===false)
+ die("Unable to open exception template file '$exceptionFile'.");
+ return $content;
+ }
+
+ /**
+ * Retrieves the template used for displaying external exceptions.
+ * External exceptions are those displayed to end-users. They do not contain
+ * error source code. Therefore, you might want to override this method
+ * to provide your own error template for displaying certain external exceptions.
+ * The following tokens in the template will be replaced with corresponding content:
+ * %%StatusCode%% : the status code of the exception
+ * %%ErrorMessage%% : the error message (HTML encoded).
+ * %%ServerAdmin%% : the server admin information (retrieved from Web server configuration)
+ * %%Version%% : the version information of the Web server.
+ * %%Time%% : the time the exception occurs at
+ *
+ * @param integer status code (such as 404, 500, etc.)
+ * @param Exception the exception to be displayed
+ * @return string the template content
+ */
+ protected function getErrorTemplate($statusCode,$exception)
+ {
+ $base=$this->getErrorTemplatePath().DIRECTORY_SEPARATOR.self::ERROR_FILE_NAME;
+ $lang=Prado::getPreferredLanguage();
+ if(is_file("$base$statusCode-$lang.html"))
+ $errorFile="$base$statusCode-$lang.html";
+ else if(is_file("$base$statusCode.html"))
+ $errorFile="$base$statusCode.html";
+ else if(is_file("$base-$lang.html"))
+ $errorFile="$base-$lang.html";
+ else
+ $errorFile="$base.html";
+ if(($content=@file_get_contents($errorFile))===false)
+ die("Unable to open error template file '$errorFile'.");
+ return $content;
+ }
+
+ private function getExactTrace($exception)
+ {
+ $trace=$exception->getTrace();
+ $result=null;
+ // if PHP exception, we want to show the 2nd stack level context
+ // because the 1st stack level is of little use (it's in error handler)
+ if($exception instanceof TPhpErrorException)
+ $result=isset($trace[0]['file'])?$trace[0]:$trace[1];
+ else if($exception instanceof TInvalidOperationException)
+ {
+ // in case of getter or setter error, find out the exact file and row
+ if(($result=$this->getPropertyAccessTrace($trace,'__get'))===null)
+ $result=$this->getPropertyAccessTrace($trace,'__set');
+ }
+ if($result!==null && strpos($result['file'],': eval()\'d code')!==false)
+ return null;
+
+ return $result;
+ }
+
+ private function getPropertyAccessTrace($trace,$pattern)
+ {
+ $result=null;
+ foreach($trace as $t)
+ {
+ if(isset($t['function']) && $t['function']===$pattern)
+ $result=$t;
+ else
+ break;
+ }
+ return $result;
+ }
+
+ private function getSourceCode($lines,$errorLine)
+ {
+ $beginLine=$errorLine-self::SOURCE_LINES>=0?$errorLine-self::SOURCE_LINES:0;
+ $endLine=$errorLine+self::SOURCE_LINES<=count($lines)?$errorLine+self::SOURCE_LINES:count($lines);
+
+ $source='';
+ for($i=$beginLine;$i<$endLine;++$i)
+ {
+ if($i===$errorLine-1)
+ {
+ $line=htmlspecialchars(sprintf("%04d: %s",$i+1,str_replace("\t",' ',$lines[$i])));
+ $source.="".$line."
";
+ }
+ else
+ $source.=htmlspecialchars(sprintf("%04d: %s",$i+1,str_replace("\t",' ',$lines[$i])));
+ }
+ return $source;
+ }
+
+ private function addLink($message)
+ {
+ $baseUrl='http://www.pradosoft.com/docs/classdoc';
+ return preg_replace('/\b(T[A-Z]\w+)\b/',"\${1}",$message);
+ }
+}
+
diff --git a/framework/Exceptions/TException.php b/framework/Exceptions/TException.php
index 5e266e17..c9f9d530 100644
--- a/framework/Exceptions/TException.php
+++ b/framework/Exceptions/TException.php
@@ -1,424 +1,424 @@
-
- * @link http://www.pradosoft.com/
+
+ * @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2012 PradoSoft
- * @license http://www.pradosoft.com/license/
- * @version $Id$
- * @package System.Exceptions
- */
-
-/**
- * TException class
- *
- * TException is the base class for all PRADO exceptions.
- *
- * TException provides the functionality of translating an error code
- * into a descriptive error message in a language that is preferred
- * by user browser. Additional parameters may be passed together with
- * the error code so that the translated message contains more detailed
- * information.
- *
- * By default, TException looks for a message file by calling
- * {@link getErrorMessageFile()} method, which uses the "message-xx.txt"
- * file located under "System.Exceptions" folder, where "xx" is the
- * code of the user preferred language. If such a file is not found,
- * "message.txt" will be used instead.
- *
- * @author Qiang Xue
- * @version $Id$
- * @package System.Exceptions
- * @since 3.0
- */
-class TException extends Exception
-{
- private $_errorCode='';
+ * @license http://www.pradosoft.com/license/
+ * @version $Id$
+ * @package System.Exceptions
+ */
+
+/**
+ * TException class
+ *
+ * TException is the base class for all PRADO exceptions.
+ *
+ * TException provides the functionality of translating an error code
+ * into a descriptive error message in a language that is preferred
+ * by user browser. Additional parameters may be passed together with
+ * the error code so that the translated message contains more detailed
+ * information.
+ *
+ * By default, TException looks for a message file by calling
+ * {@link getErrorMessageFile()} method, which uses the "message-xx.txt"
+ * file located under "System.Exceptions" folder, where "xx" is the
+ * code of the user preferred language. If such a file is not found,
+ * "message.txt" will be used instead.
+ *
+ * @author Qiang Xue
+ * @version $Id$
+ * @package System.Exceptions
+ * @since 3.0
+ */
+class TException extends Exception
+{
+ private $_errorCode='';
static $_messageCache=array();
-
- /**
- * Constructor.
- * @param string error message. This can be a string that is listed
- * in the message file. If so, the message in the preferred language
- * will be used as the error message. Any rest parameters will be used
- * to replace placeholders ({0}, {1}, {2}, etc.) in the message.
- */
- public function __construct($errorMessage)
- {
- $this->_errorCode=$errorMessage;
- $errorMessage=$this->translateErrorMessage($errorMessage);
- $args=func_get_args();
- array_shift($args);
- $n=count($args);
- $tokens=array();
- for($i=0;$i<$n;++$i)
- $tokens['{'.$i.'}']=TPropertyValue::ensureString($args[$i]);
- parent::__construct(strtr($errorMessage,$tokens));
- }
-
- /**
- * Translates an error code into an error message.
- * @param string error code that is passed in the exception constructor.
- * @return string the translated error message
- */
- protected function translateErrorMessage($key)
- {
- $msgFile=$this->getErrorMessageFile();
+
+ /**
+ * Constructor.
+ * @param string error message. This can be a string that is listed
+ * in the message file. If so, the message in the preferred language
+ * will be used as the error message. Any rest parameters will be used
+ * to replace placeholders ({0}, {1}, {2}, etc.) in the message.
+ */
+ public function __construct($errorMessage)
+ {
+ $this->_errorCode=$errorMessage;
+ $errorMessage=$this->translateErrorMessage($errorMessage);
+ $args=func_get_args();
+ array_shift($args);
+ $n=count($args);
+ $tokens=array();
+ for($i=0;$i<$n;++$i)
+ $tokens['{'.$i.'}']=TPropertyValue::ensureString($args[$i]);
+ parent::__construct(strtr($errorMessage,$tokens));
+ }
+
+ /**
+ * Translates an error code into an error message.
+ * @param string error code that is passed in the exception constructor.
+ * @return string the translated error message
+ */
+ protected function translateErrorMessage($key)
+ {
+ $msgFile=$this->getErrorMessageFile();
// Cache messages
if (!isset(self::$_messageCache[$msgFile]))
{
- if(($entries=@file($msgFile))!==false)
- {
- foreach($entries as $entry)
- {
- @list($code,$message)=explode('=',$entry,2);
+ if(($entries=@file($msgFile))!==false)
+ {
+ foreach($entries as $entry)
+ {
+ @list($code,$message)=explode('=',$entry,2);
self::$_messageCache[$msgFile][trim($code)]=trim($message);
- }
- }
+ }
+ }
}
- return isset(self::$_messageCache[$msgFile][$key]) ? self::$_messageCache[$msgFile][$key] : $key;
- }
-
- /**
- * @return string path to the error message file
- */
- protected function getErrorMessageFile()
- {
- $lang=Prado::getPreferredLanguage();
- $msgFile=Prado::getFrameworkPath().'/Exceptions/messages/messages-'.$lang.'.txt';
- if(!is_file($msgFile))
- $msgFile=Prado::getFrameworkPath().'/Exceptions/messages/messages.txt';
- return $msgFile;
- }
-
- /**
- * @return string error code
- */
- public function getErrorCode()
- {
- return $this->_errorCode;
- }
-
- /**
- * @param string error code
- */
- public function setErrorCode($code)
- {
- $this->_errorCode=$code;
- }
-
- /**
- * @return string error message
- */
- public function getErrorMessage()
- {
- return $this->getMessage();
- }
-
- /**
- * @param string error message
- */
- protected function setErrorMessage($message)
- {
- $this->message=$message;
- }
-}
-
-/**
- * TSystemException class
- *
- * TSystemException is the base class for all framework-level exceptions.
- *
- * @author Qiang Xue
- * @version $Id$
- * @package System.Exceptions
- * @since 3.0
- */
-class TSystemException extends TException
-{
-}
-
-/**
- * TApplicationException class
- *
- * TApplicationException is the base class for all user application-level exceptions.
- *
- * @author Qiang Xue
- * @version $Id$
- * @package System.Exceptions
- * @since 3.0
- */
-class TApplicationException extends TException
-{
-}
-
-/**
- * TInvalidOperationException class
- *
- * TInvalidOperationException represents an exception caused by invalid operations.
- *
- * @author Qiang Xue
- * @version $Id$
- * @package System.Exceptions
- * @since 3.0
- */
-class TInvalidOperationException extends TSystemException
-{
-}
-
-/**
- * TInvalidDataTypeException class
- *
- * TInvalidDataTypeException represents an exception caused by invalid data type.
- *
- * @author Qiang Xue
- * @version $Id$
- * @package System.Exceptions
- * @since 3.0
- */
-class TInvalidDataTypeException extends TSystemException
-{
-}
-
-/**
- * TInvalidDataValueException class
- *
- * TInvalidDataValueException represents an exception caused by invalid data value.
- *
- * @author Qiang Xue
- * @version $Id$
- * @package System.Exceptions
- * @since 3.0
- */
-class TInvalidDataValueException extends TSystemException
-{
-}
-
-/**
- * TConfigurationException class
- *
- * TConfigurationException represents an exception caused by invalid configurations,
- * such as error in an application configuration file or control template file.
- *
- * @author Qiang Xue
- * @version $Id$
- * @package System.Exceptions
- * @since 3.0
- */
-class TConfigurationException extends TSystemException
-{
-}
-
-/**
- * TTemplateException class
- *
- * TTemplateException represents an exception caused by invalid template syntax.
- *
- * @author Qiang Xue
- * @version $Id$
- * @package System.Exceptions
- * @since 3.1
- */
-class TTemplateException extends TConfigurationException
-{
- private $_template='';
- private $_lineNumber=0;
- private $_fileName='';
-
- /**
- * @return string the template source code that causes the exception. This is empty if {@link getTemplateFile TemplateFile} is not empty.
- */
- public function getTemplateSource()
- {
- return $this->_template;
- }
-
- /**
- * @param string the template source code that causes the exception
- */
- public function setTemplateSource($value)
- {
- $this->_template=$value;
- }
-
- /**
- * @return string the template file that causes the exception. This could be empty if the template is an embedded template. In this case, use {@link getTemplateSource TemplateSource} to obtain the actual template content.
- */
- public function getTemplateFile()
- {
- return $this->_fileName;
- }
-
- /**
- * @param string the template file that causes the exception
- */
- public function setTemplateFile($value)
- {
- $this->_fileName=$value;
- }
-
- /**
- * @return integer the line number at which the template has error
- */
- public function getLineNumber()
- {
- return $this->_lineNumber;
- }
-
- /**
- * @param integer the line number at which the template has error
- */
- public function setLineNumber($value)
- {
- $this->_lineNumber=TPropertyValue::ensureInteger($value);
- }
-}
-
-/**
- * TIOException class
- *
- * TIOException represents an exception related with improper IO operations.
- *
- * @author Qiang Xue
- * @version $Id$
- * @package System.Exceptions
- * @since 3.0
- */
-class TIOException extends TSystemException
-{
-}
-
-/**
- * TDbException class
- *
- * TDbException represents an exception related with DB operations.
- *
- * @author Qiang Xue
- * @version $Id$
- * @package System.Exceptions
- * @since 3.0
- */
-class TDbException extends TSystemException
-{
-}
-
-/**
- * TDbConnectionException class
- *
- * TDbConnectionException represents an exception caused by DB connection failure.
- *
- * @author Qiang Xue
- * @version $Id$
- * @package System.Exceptions
- * @since 3.0
- */
-class TDbConnectionException extends TDbException
-{
-}
-
-/**
- * TNotSupportedException class
- *
- * TNotSupportedException represents an exception caused by using an unsupported PRADO feature.
- *
- * @author Qiang Xue
- * @version $Id$
- * @package System.Exceptions
- * @since 3.0
- */
-class TNotSupportedException extends TSystemException
-{
-}
-
-/**
- * TPhpErrorException class
- *
- * TPhpErrorException represents an exception caused by a PHP error.
- * This exception is mainly thrown within a PHP error handler.
- *
- * @author Qiang Xue
- * @version $Id$
- * @package System.Exceptions
- * @since 3.0
- */
-class TPhpErrorException extends TSystemException
-{
- /**
- * Constructor.
- * @param integer error number
- * @param string error string
- * @param string error file
- * @param integer error line number
- */
- public function __construct($errno,$errstr,$errfile,$errline)
- {
- static $errorTypes=array(
- E_ERROR => "Error",
- E_WARNING => "Warning",
- E_PARSE => "Parsing Error",
- E_NOTICE => "Notice",
- E_CORE_ERROR => "Core Error",
- E_CORE_WARNING => "Core Warning",
- E_COMPILE_ERROR => "Compile Error",
- E_COMPILE_WARNING => "Compile Warning",
- E_USER_ERROR => "User Error",
- E_USER_WARNING => "User Warning",
- E_USER_NOTICE => "User Notice",
- E_STRICT => "Runtime Notice"
- );
- $errorType=isset($errorTypes[$errno])?$errorTypes[$errno]:'Unknown Error';
- parent::__construct("[$errorType] $errstr (@line $errline in file $errfile).");
- }
-}
-
-
-/**
- * THttpException class
- *
- * THttpException represents an exception that is caused by invalid operations
- * of end-users. The {@link getStatusCode StatusCode} gives the type of HTTP error.
- * It is used by {@link TErrorHandler} to provide different error output to users.
- *
- * @author Qiang Xue
- * @version $Id$
- * @package System.Exceptions
- * @since 3.0
- */
-class THttpException extends TSystemException
-{
- private $_statusCode;
-
- /**
- * Constructor.
- * @param integer HTTP status code, such as 404, 500, etc.
- * @param string error message. This can be a string that is listed
- * in the message file. If so, the message in the preferred language
- * will be used as the error message. Any rest parameters will be used
- * to replace placeholders ({0}, {1}, {2}, etc.) in the message.
- */
- public function __construct($statusCode,$errorMessage)
- {
- $this->_statusCode=$statusCode;
- $this->setErrorCode($errorMessage);
- $errorMessage=$this->translateErrorMessage($errorMessage);
- $args=func_get_args();
- array_shift($args);
- array_shift($args);
- $n=count($args);
- $tokens=array();
- for($i=0;$i<$n;++$i)
- $tokens['{'.$i.'}']=TPropertyValue::ensureString($args[$i]);
- parent::__construct(strtr($errorMessage,$tokens));
- }
-
- /**
- * @return integer HTTP status code, such as 404, 500, etc.
- */
- public function getStatusCode()
- {
- return $this->_statusCode;
- }
-}
-
+ return isset(self::$_messageCache[$msgFile][$key]) ? self::$_messageCache[$msgFile][$key] : $key;
+ }
+
+ /**
+ * @return string path to the error message file
+ */
+ protected function getErrorMessageFile()
+ {
+ $lang=Prado::getPreferredLanguage();
+ $msgFile=Prado::getFrameworkPath().'/Exceptions/messages/messages-'.$lang.'.txt';
+ if(!is_file($msgFile))
+ $msgFile=Prado::getFrameworkPath().'/Exceptions/messages/messages.txt';
+ return $msgFile;
+ }
+
+ /**
+ * @return string error code
+ */
+ public function getErrorCode()
+ {
+ return $this->_errorCode;
+ }
+
+ /**
+ * @param string error code
+ */
+ public function setErrorCode($code)
+ {
+ $this->_errorCode=$code;
+ }
+
+ /**
+ * @return string error message
+ */
+ public function getErrorMessage()
+ {
+ return $this->getMessage();
+ }
+
+ /**
+ * @param string error message
+ */
+ protected function setErrorMessage($message)
+ {
+ $this->message=$message;
+ }
+}
+
+/**
+ * TSystemException class
+ *
+ * TSystemException is the base class for all framework-level exceptions.
+ *
+ * @author Qiang Xue
+ * @version $Id$
+ * @package System.Exceptions
+ * @since 3.0
+ */
+class TSystemException extends TException
+{
+}
+
+/**
+ * TApplicationException class
+ *
+ * TApplicationException is the base class for all user application-level exceptions.
+ *
+ * @author Qiang Xue
+ * @version $Id$
+ * @package System.Exceptions
+ * @since 3.0
+ */
+class TApplicationException extends TException
+{
+}
+
+/**
+ * TInvalidOperationException class
+ *
+ * TInvalidOperationException represents an exception caused by invalid operations.
+ *
+ * @author Qiang Xue
+ * @version $Id$
+ * @package System.Exceptions
+ * @since 3.0
+ */
+class TInvalidOperationException extends TSystemException
+{
+}
+
+/**
+ * TInvalidDataTypeException class
+ *
+ * TInvalidDataTypeException represents an exception caused by invalid data type.
+ *
+ * @author Qiang Xue
+ * @version $Id$
+ * @package System.Exceptions
+ * @since 3.0
+ */
+class TInvalidDataTypeException extends TSystemException
+{
+}
+
+/**
+ * TInvalidDataValueException class
+ *
+ * TInvalidDataValueException represents an exception caused by invalid data value.
+ *
+ * @author Qiang Xue
+ * @version $Id$
+ * @package System.Exceptions
+ * @since 3.0
+ */
+class TInvalidDataValueException extends TSystemException
+{
+}
+
+/**
+ * TConfigurationException class
+ *
+ * TConfigurationException represents an exception caused by invalid configurations,
+ * such as error in an application configuration file or control template file.
+ *
+ * @author Qiang Xue
+ * @version $Id$
+ * @package System.Exceptions
+ * @since 3.0
+ */
+class TConfigurationException extends TSystemException
+{
+}
+
+/**
+ * TTemplateException class
+ *
+ * TTemplateException represents an exception caused by invalid template syntax.
+ *
+ * @author Qiang Xue
+ * @version $Id$
+ * @package System.Exceptions
+ * @since 3.1
+ */
+class TTemplateException extends TConfigurationException
+{
+ private $_template='';
+ private $_lineNumber=0;
+ private $_fileName='';
+
+ /**
+ * @return string the template source code that causes the exception. This is empty if {@link getTemplateFile TemplateFile} is not empty.
+ */
+ public function getTemplateSource()
+ {
+ return $this->_template;
+ }
+
+ /**
+ * @param string the template source code that causes the exception
+ */
+ public function setTemplateSource($value)
+ {
+ $this->_template=$value;
+ }
+
+ /**
+ * @return string the template file that causes the exception. This could be empty if the template is an embedded template. In this case, use {@link getTemplateSource TemplateSource} to obtain the actual template content.
+ */
+ public function getTemplateFile()
+ {
+ return $this->_fileName;
+ }
+
+ /**
+ * @param string the template file that causes the exception
+ */
+ public function setTemplateFile($value)
+ {
+ $this->_fileName=$value;
+ }
+
+ /**
+ * @return integer the line number at which the template has error
+ */
+ public function getLineNumber()
+ {
+ return $this->_lineNumber;
+ }
+
+ /**
+ * @param integer the line number at which the template has error
+ */
+ public function setLineNumber($value)
+ {
+ $this->_lineNumber=TPropertyValue::ensureInteger($value);
+ }
+}
+
+/**
+ * TIOException class
+ *
+ * TIOException represents an exception related with improper IO operations.
+ *
+ * @author Qiang Xue
+ * @version $Id$
+ * @package System.Exceptions
+ * @since 3.0
+ */
+class TIOException extends TSystemException
+{
+}
+
+/**
+ * TDbException class
+ *
+ * TDbException represents an exception related with DB operations.
+ *
+ * @author Qiang Xue
+ * @version $Id$
+ * @package System.Exceptions
+ * @since 3.0
+ */
+class TDbException extends TSystemException
+{
+}
+
+/**
+ * TDbConnectionException class
+ *
+ * TDbConnectionException represents an exception caused by DB connection failure.
+ *
+ * @author Qiang Xue
+ * @version $Id$
+ * @package System.Exceptions
+ * @since 3.0
+ */
+class TDbConnectionException extends TDbException
+{
+}
+
+/**
+ * TNotSupportedException class
+ *
+ * TNotSupportedException represents an exception caused by using an unsupported PRADO feature.
+ *
+ * @author Qiang Xue
+ * @version $Id$
+ * @package System.Exceptions
+ * @since 3.0
+ */
+class TNotSupportedException extends TSystemException
+{
+}
+
+/**
+ * TPhpErrorException class
+ *
+ * TPhpErrorException represents an exception caused by a PHP error.
+ * This exception is mainly thrown within a PHP error handler.
+ *
+ * @author Qiang Xue
+ * @version $Id$
+ * @package System.Exceptions
+ * @since 3.0
+ */
+class TPhpErrorException extends TSystemException
+{
+ /**
+ * Constructor.
+ * @param integer error number
+ * @param string error string
+ * @param string error file
+ * @param integer error line number
+ */
+ public function __construct($errno,$errstr,$errfile,$errline)
+ {
+ static $errorTypes=array(
+ E_ERROR => "Error",
+ E_WARNING => "Warning",
+ E_PARSE => "Parsing Error",
+ E_NOTICE => "Notice",
+ E_CORE_ERROR => "Core Error",
+ E_CORE_WARNING => "Core Warning",
+ E_COMPILE_ERROR => "Compile Error",
+ E_COMPILE_WARNING => "Compile Warning",
+ E_USER_ERROR => "User Error",
+ E_USER_WARNING => "User Warning",
+ E_USER_NOTICE => "User Notice",
+ E_STRICT => "Runtime Notice"
+ );
+ $errorType=isset($errorTypes[$errno])?$errorTypes[$errno]:'Unknown Error';
+ parent::__construct("[$errorType] $errstr (@line $errline in file $errfile).");
+ }
+}
+
+
+/**
+ * THttpException class
+ *
+ * THttpException represents an exception that is caused by invalid operations
+ * of end-users. The {@link getStatusCode StatusCode} gives the type of HTTP error.
+ * It is used by {@link TErrorHandler} to provide different error output to users.
+ *
+ * @author Qiang Xue
+ * @version $Id$
+ * @package System.Exceptions
+ * @since 3.0
+ */
+class THttpException extends TSystemException
+{
+ private $_statusCode;
+
+ /**
+ * Constructor.
+ * @param integer HTTP status code, such as 404, 500, etc.
+ * @param string error message. This can be a string that is listed
+ * in the message file. If so, the message in the preferred language
+ * will be used as the error message. Any rest parameters will be used
+ * to replace placeholders ({0}, {1}, {2}, etc.) in the message.
+ */
+ public function __construct($statusCode,$errorMessage)
+ {
+ $this->_statusCode=$statusCode;
+ $this->setErrorCode($errorMessage);
+ $errorMessage=$this->translateErrorMessage($errorMessage);
+ $args=func_get_args();
+ array_shift($args);
+ array_shift($args);
+ $n=count($args);
+ $tokens=array();
+ for($i=0;$i<$n;++$i)
+ $tokens['{'.$i.'}']=TPropertyValue::ensureString($args[$i]);
+ parent::__construct(strtr($errorMessage,$tokens));
+ }
+
+ /**
+ * @return integer HTTP status code, such as 404, 500, etc.
+ */
+ public function getStatusCode()
+ {
+ return $this->_statusCode;
+ }
+}
+
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