/**
* Initializes a new instance of the <tt>ProxyFactory</tt> class that is
* connected to the given <tt>EntityManager</tt>.
*
* @param EntityManager $em The EntityManager the new factory works for.
* @param string $proxyDir The directory to use for the proxy classes. It must exist.
* @param string $proxyNs The namespace to use for the proxy classes.
* @param boolean $autoGenerate Whether to automatically generate proxy classes.
*/
public function __construct(EntityManager $em, $proxyDir, $proxyNs, $autoGenerate = false)
{
if (!$proxyDir) {
throw ProxyException::proxyDirectoryRequired();
}
if (!$proxyNs) {
throw ProxyException::proxyNamespaceRequired();
}
$this->_em = $em;
$this->_proxyDir = $proxyDir;
$this->_autoGenerate = $autoGenerate;
$this->_proxyNamespace = $proxyNs;
}
/**
* Generates a proxy class file.
*
* @param ClassMetadata $class Metadata for the original class
* @param string $fileName Filename (full path) for the generated class
* @param string $file The proxy class template data
*/
private function _generateProxyClass(ClassMetadata $class, $fileName, $file)
{
$methods = $this->_generateMethods($class);
$sleepImpl = $this->_generateSleep($class);
$cloneImpl = $class->reflClass->hasMethod('__clone') ? 'parent::__clone();' : '';
// hasMethod() checks case-insensitive
$placeholders = array('<namespace>', '<proxyClassName>', '<className>', '<methods>', '<sleepImpl>', '<cloneImpl>');
$className = ltrim($class->name, '\\');
$proxyClassName = ClassUtils::generateProxyClassName($class->name, $this->_proxyNamespace);
$parts = explode('\\', strrev($proxyClassName), 2);
$proxyClassNamespace = strrev($parts[1]);
$proxyClassName = strrev($parts[0]);
$replacements = array($proxyClassNamespace, $proxyClassName, $className, $methods, $sleepImpl, $cloneImpl);
$file = str_replace($placeholders, $replacements, $file);
$parentDirectory = dirname($fileName);
if (!is_dir($parentDirectory)) {
if (false === @mkdir($parentDirectory, 0775, true)) {
throw ProxyException::proxyDirectoryNotWritable();
}
} else {
if (!is_writable($parentDirectory)) {
throw ProxyException::proxyDirectoryNotWritable();
}
}
$tmpFileName = $fileName . '.' . uniqid("", true);
file_put_contents($tmpFileName, $file);
rename($tmpFileName, $fileName);
}
