RODSException.class.php
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<?php
/**
* RODS exception class
* @author Sifang Lu <sifang@sdsc.edu>
* @copyright Copyright © 2007, TBD
* @package Prods
*/
$errtable_file = dirname(__FILE__) . "/RodsErrorTable.inc.php";
if (is_readable($errtable_file))
require_once($errtable_file);
else
die("Could not read file $errtable_file <br/>\n");
/**
* custom exception class for RODS
*/
class RODSException extends Exception
{
private $code_abbr;
private $cause;
/**
* Makes a new RODS excption
* @param string $message err/exception message
* @param string $code_abbr error code abbreviation
*/
public function __construct($message, $code_abbr = "UNKNOWN_PRODS_ERR",
Exception $cause = NULL)
{
$this->code_abbr = $code_abbr;
$this->cause = $cause;
parent::__construct($message, $GLOBALS['PRODS_ERR_CODES'][$code_abbr]);
}
public function getCause()
{
return $this->cause;
}
public function getCodeAbbr()
{
return $this->code_abbr;
}
public static function rodsErrCodeToAbbr($code)
{
if (isset($GLOBALS['PRODS_ERR_CODES_REV']["$code"]))
return $GLOBALS['PRODS_ERR_CODES_REV']["$code"];
else
return null;
}
public static function rodsErrAbbrToCode($codeabbr)
{
if (isset($GLOBALS['PRODS_ERR_CODES']["$codeabbr"]))
return $GLOBALS['PRODS_ERR_CODES']["$codeabbr"];
else
return null;
}
public function getStackTrace()
{
if ($this->cause !== null) {
$arr = array();
$trace = $this->getTrace();
array_push($arr, $trace[0]);
unset($trace);
if (get_class($this->cause) == "RODSException") {
foreach ($this->cause->getStackTrace() as $key => $trace) {
array_push($arr, $trace);
}
} else {
foreach ($this->cause->getTrace() as $key => $trace) {
array_push($arr, $trace);
}
}
return $arr;
} else {
return $this->getTrace();
}
}
public function showStackTrace()
{
$htmldoc = "<p style=\"font-family: monospace; border: solid 1px #000000\"><span style=\"font-weight: bold; color: #000000;\">An exception was thrown :<br/></span>";
$htmldoc .= "Exception code : $this->code<br/>";
$htmldoc .= "Exception abbr : $this->code_abbr<br/>";
$htmldoc .= "Exception message : $this->message<br/>";
$htmldoc .= "<span style=\"color: #0000FF;\">";
$i = 0;
foreach ($this->getStackTrace() as $key => $trace) {
$htmldoc .= $this->showTrace($trace, $i);
$i++;
}
$htmldoc .= "#$i {main}<br/>";
unset($i);
$htmldoc .= "</span></p>";
return $htmldoc;
}
private function showTrace($_trace, $_i)
{
$htmldoc = "#$_i ";
if (array_key_exists("file", $_trace)) {
$htmldoc .= $_trace["file"];
}
if (array_key_exists("line", $_trace)) {
$htmldoc .= "(" . $_trace["line"] . "): ";
}
if (array_key_exists("class", $_trace) && array_key_exists("type", $_trace)) {
$htmldoc .= $_trace["class"] . $_trace["type"];
}
if (array_key_exists("function", $_trace)) {
$htmldoc .= $_trace["function"] . "(";
if (array_key_exists("args", $_trace)) {
if (count($_trace["args"]) > 0) {
$args = $_trace["args"];
$type = gettype($args[0]);
$value = $args[0];
unset($args);
if ($type == "boolean") {
if ($value) {
$htmldoc .= "true";
} else {
$htmldoc .= "false";
}
} elseif ($type == "integer" || $type == "double") {
if (settype($value, "string")) {
if (strlen($value) <= 20) {
$htmldoc .= $value;
} else {
$htmldoc .= substr($value, 0, 17) . "...";
}
} else {
if ($type == "integer") {
$htmldoc .= "? integer ?";
} else {
$htmldoc .= "? double or float ?";
}
}
} elseif ($type == "string") {
if (strlen($value) <= 18) {
$htmldoc .= "'$value'";
} else {
$htmldoc .= "'" . substr($value, 0, 15) . "...'";
}
} elseif ($type == "array") {
$htmldoc .= "Array";
} elseif ($type == "object") {
$htmldoc .= "Object";
} elseif ($type == "resource") {
$htmldoc .= "Resource";
} elseif ($type == "NULL") {
$htmldoc .= "null";
} elseif ($type == "unknown type") {
$htmldoc .= "? unknown type ?";
}
unset($type);
unset($value);
}
if (count($_trace["args"]) > 1) {
$htmldoc .= ",...";
}
}
$htmldoc .= ")<br/>";
}
return $htmldoc;
}
/**
* Magic function to turn exception obj to a string
*/
public function __toString()
{
return __CLASS__ . ": [{$this->code} $this->code_abbr]: {$this->message}\n";
//return $this->showStackTrace();
}
}