campus /library/Zend/Controller/Dispatcher/Standard.php

Language PHP Lines 500
MD5 Hash 8c933cfd4b2fbe3b54fe10552f88c3ed Estimated Cost $6,355 (why?)
Repository https://bitbucket.org/ksekar/campus.git View Raw File View Project SPDX
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Controller
 * @subpackage Dispatcher
 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Standard.php 24594 2012-01-05 21:27:01Z matthew $
 */

/** Zend_Loader */
require_once 'Zend/Loader.php';

/** Zend_Controller_Dispatcher_Abstract */
require_once 'Zend/Controller/Dispatcher/Abstract.php';

/**
 * @category   Zend
 * @package    Zend_Controller
 * @subpackage Dispatcher
 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Controller_Dispatcher_Standard extends Zend_Controller_Dispatcher_Abstract
{
    /**
     * Current dispatchable directory
     * @var string
     */
    protected $_curDirectory;

    /**
     * Current module (formatted)
     * @var string
     */
    protected $_curModule;

    /**
     * Controller directory(ies)
     * @var array
     */
    protected $_controllerDirectory = array();

    /**
     * Constructor: Set current module to default value
     *
     * @param  array $params
     * @return void
     */
    public function __construct(array $params = array())
    {
        parent::__construct($params);
        $this->_curModule = $this->getDefaultModule();
    }

    /**
     * Add a single path to the controller directory stack
     *
     * @param string $path
     * @param string $module
     * @return Zend_Controller_Dispatcher_Standard
     */
    public function addControllerDirectory($path, $module = null)
    {
        if (null === $module) {
            $module = $this->_defaultModule;
        }

        $module = (string) $module;
        $path   = rtrim((string) $path, '/\\');

        $this->_controllerDirectory[$module] = $path;
        return $this;
    }

    /**
     * Set controller directory
     *
     * @param array|string $directory
     * @return Zend_Controller_Dispatcher_Standard
     */
    public function setControllerDirectory($directory, $module = null)
    {
        $this->_controllerDirectory = array();

        if (is_string($directory)) {
            $this->addControllerDirectory($directory, $module);
        } elseif (is_array($directory)) {
            foreach ((array) $directory as $module => $path) {
                $this->addControllerDirectory($path, $module);
            }
        } else {
            require_once 'Zend/Controller/Exception.php';
            throw new Zend_Controller_Exception('Controller directory spec must be either a string or an array');
        }

        return $this;
    }

    /**
     * Return the currently set directories for Zend_Controller_Action class
     * lookup
     *
     * If a module is specified, returns just that directory.
     *
     * @param  string $module Module name
     * @return array|string Returns array of all directories by default, single
     * module directory if module argument provided
     */
    public function getControllerDirectory($module = null)
    {
        if (null === $module) {
            return $this->_controllerDirectory;
        }

        $module = (string) $module;
        if (array_key_exists($module, $this->_controllerDirectory)) {
            return $this->_controllerDirectory[$module];
        }

        return null;
    }

    /**
     * Remove a controller directory by module name
     *
     * @param  string $module
     * @return bool
     */
    public function removeControllerDirectory($module)
    {
        $module = (string) $module;
        if (array_key_exists($module, $this->_controllerDirectory)) {
            unset($this->_controllerDirectory[$module]);
            return true;
        }
        return false;
    }

    /**
     * Format the module name.
     *
     * @param string $unformatted
     * @return string
     */
    public function formatModuleName($unformatted)
    {
        if (($this->_defaultModule == $unformatted) && !$this->getParam('prefixDefaultModule')) {
            return $unformatted;
        }

        return ucfirst($this->_formatName($unformatted));
    }

    /**
     * Format action class name
     *
     * @param string $moduleName Name of the current module
     * @param string $className Name of the action class
     * @return string Formatted class name
     */
    public function formatClassName($moduleName, $className)
    {
        return $this->formatModuleName($moduleName) . '_' . $className;
    }

    /**
     * Convert a class name to a filename
     *
     * @param string $class
     * @return string
     */
    public function classToFilename($class)
    {
        return str_replace('_', DIRECTORY_SEPARATOR, $class) . '.php';
    }

    /**
     * Returns TRUE if the Zend_Controller_Request_Abstract object can be
     * dispatched to a controller.
     *
     * Use this method wisely. By default, the dispatcher will fall back to the
     * default controller (either in the module specified or the global default)
     * if a given controller does not exist. This method returning false does
     * not necessarily indicate the dispatcher will not still dispatch the call.
     *
     * @param Zend_Controller_Request_Abstract $action
     * @return boolean
     */
    public function isDispatchable(Zend_Controller_Request_Abstract $request)
    {
        $className = $this->getControllerClass($request);
        if (!$className) {
            return false;
        }

        $finalClass  = $className;
        if (($this->_defaultModule != $this->_curModule)
            || $this->getParam('prefixDefaultModule'))
        {
            $finalClass = $this->formatClassName($this->_curModule, $className);
        }
        if (class_exists($finalClass, false)) {
            return true;
        }

        $fileSpec    = $this->classToFilename($className);
        $dispatchDir = $this->getDispatchDirectory();
        $test        = $dispatchDir . DIRECTORY_SEPARATOR . $fileSpec;
        return Zend_Loader::isReadable($test);
    }

    /**
     * Dispatch to a controller/action
     *
     * By default, if a controller is not dispatchable, dispatch() will throw
     * an exception. If you wish to use the default controller instead, set the
     * param 'useDefaultControllerAlways' via {@link setParam()}.
     *
     * @param Zend_Controller_Request_Abstract $request
     * @param Zend_Controller_Response_Abstract $response
     * @return void
     * @throws Zend_Controller_Dispatcher_Exception
     */
    public function dispatch(Zend_Controller_Request_Abstract $request, Zend_Controller_Response_Abstract $response)
    {
        $this->setResponse($response);

        /**
         * Get controller class
         */
        if (!$this->isDispatchable($request)) {
            $controller = $request->getControllerName();
            if (!$this->getParam('useDefaultControllerAlways') && !empty($controller)) {
                require_once 'Zend/Controller/Dispatcher/Exception.php';
                throw new Zend_Controller_Dispatcher_Exception('Invalid controller specified (' . $request->getControllerName() . ')');
            }

            $className = $this->getDefaultControllerClass($request);
        } else {
            $className = $this->getControllerClass($request);
            if (!$className) {
                $className = $this->getDefaultControllerClass($request);
            }
        }

        /**
         * Load the controller class file
         */
        $className = $this->loadClass($className);

        /**
         * Instantiate controller with request, response, and invocation
         * arguments; throw exception if it's not an action controller
         */
        $controller = new $className($request, $this->getResponse(), $this->getParams());
        if (!($controller instanceof Zend_Controller_Action_Interface) &&
            !($controller instanceof Zend_Controller_Action)) {
            require_once 'Zend/Controller/Dispatcher/Exception.php';
            throw new Zend_Controller_Dispatcher_Exception(
                'Controller "' . $className . '" is not an instance of Zend_Controller_Action_Interface'
            );
        }

        /**
         * Retrieve the action name
         */
        $action = $this->getActionMethod($request);

        /**
         * Dispatch the method call
         */
        $request->setDispatched(true);

        // by default, buffer output
        $disableOb = $this->getParam('disableOutputBuffering');
        $obLevel   = ob_get_level();
        if (empty($disableOb)) {
            ob_start();
        }

        try {
            $controller->dispatch($action);
        } catch (Exception $e) {
            // Clean output buffer on error
            $curObLevel = ob_get_level();
            if ($curObLevel > $obLevel) {
                do {
                    ob_get_clean();
                    $curObLevel = ob_get_level();
                } while ($curObLevel > $obLevel);
            }
            throw $e;
        }

        if (empty($disableOb)) {
            $content = ob_get_clean();
            $response->appendBody($content);
        }

        // Destroy the page controller instance and reflection objects
        $controller = null;
    }

    /**
     * Load a controller class
     *
     * Attempts to load the controller class file from
     * {@link getControllerDirectory()}.  If the controller belongs to a
     * module, looks for the module prefix to the controller class.
     *
     * @param string $className
     * @return string Class name loaded
     * @throws Zend_Controller_Dispatcher_Exception if class not loaded
     */
    public function loadClass($className)
    {
        $finalClass  = $className;
        if (($this->_defaultModule != $this->_curModule)
            || $this->getParam('prefixDefaultModule'))
        {
            $finalClass = $this->formatClassName($this->_curModule, $className);
        }
        if (class_exists($finalClass, false)) {
            return $finalClass;
        }

        $dispatchDir = $this->getDispatchDirectory();
        $loadFile    = $dispatchDir . DIRECTORY_SEPARATOR . $this->classToFilename($className);

        if (Zend_Loader::isReadable($loadFile)) {
            include_once $loadFile;
        } else {
            require_once 'Zend/Controller/Dispatcher/Exception.php';
            throw new Zend_Controller_Dispatcher_Exception('Cannot load controller class "' . $className . '" from file "' . $loadFile . "'");
        }

        if (!class_exists($finalClass, false)) {
            require_once 'Zend/Controller/Dispatcher/Exception.php';
            throw new Zend_Controller_Dispatcher_Exception('Invalid controller class ("' . $finalClass . '")');
        }

        return $finalClass;
    }

    /**
     * Get controller class name
     *
     * Try request first; if not found, try pulling from request parameter;
     * if still not found, fallback to default
     *
     * @param Zend_Controller_Request_Abstract $request
     * @return string|false Returns class name on success
     */
    public function getControllerClass(Zend_Controller_Request_Abstract $request)
    {
        $controllerName = $request->getControllerName();
        if (empty($controllerName)) {
            if (!$this->getParam('useDefaultControllerAlways')) {
                return false;
            }
            $controllerName = $this->getDefaultControllerName();
            $request->setControllerName($controllerName);
        }

        $className = $this->formatControllerName($controllerName);

        $controllerDirs      = $this->getControllerDirectory();
        $module = $request->getModuleName();
        if ($this->isValidModule($module)) {
            $this->_curModule    = $module;
            $this->_curDirectory = $controllerDirs[$module];
        } elseif ($this->isValidModule($this->_defaultModule)) {
            $request->setModuleName($this->_defaultModule);
            $this->_curModule    = $this->_defaultModule;
            $this->_curDirectory = $controllerDirs[$this->_defaultModule];
        } else {
            require_once 'Zend/Controller/Exception.php';
            throw new Zend_Controller_Exception('No default module defined for this application');
        }

        return $className;
    }

    /**
     * Determine if a given module is valid
     *
     * @param  string $module
     * @return bool
     */
    public function isValidModule($module)
    {
        if (!is_string($module)) {
            return false;
        }

        $module        = strtolower($module);
        $controllerDir = $this->getControllerDirectory();
        foreach (array_keys($controllerDir) as $moduleName) {
            if ($module == strtolower($moduleName)) {
                return true;
            }
        }

        return false;
    }

    /**
     * Retrieve default controller class
     *
     * Determines whether the default controller to use lies within the
     * requested module, or if the global default should be used.
     *
     * By default, will only use the module default unless that controller does
     * not exist; if this is the case, it falls back to the default controller
     * in the default module.
     *
     * @param Zend_Controller_Request_Abstract $request
     * @return string
     */
    public function getDefaultControllerClass(Zend_Controller_Request_Abstract $request)
    {
        $controller = $this->getDefaultControllerName();
        $default    = $this->formatControllerName($controller);
        $request->setControllerName($controller)
                ->setActionName(null);

        $module              = $request->getModuleName();
        $controllerDirs      = $this->getControllerDirectory();
        $this->_curModule    = $this->_defaultModule;
        $this->_curDirectory = $controllerDirs[$this->_defaultModule];
        if ($this->isValidModule($module)) {
            $found = false;
            if (class_exists($default, false)) {
                $found = true;
            } else {
                $moduleDir = $controllerDirs[$module];
                $fileSpec  = $moduleDir . DIRECTORY_SEPARATOR . $this->classToFilename($default);
                if (Zend_Loader::isReadable($fileSpec)) {
                    $found = true;
                    $this->_curDirectory = $moduleDir;
                }
            }
            if ($found) {
                $request->setModuleName($module);
                $this->_curModule    = $this->formatModuleName($module);
            }
        } else {
            $request->setModuleName($this->_defaultModule);
        }

        return $default;
    }

    /**
     * Return the value of the currently selected dispatch directory (as set by
     * {@link getController()})
     *
     * @return string
     */
    public function getDispatchDirectory()
    {
        return $this->_curDirectory;
    }

    /**
     * Determine the action name
     *
     * First attempt to retrieve from request; then from request params
     * using action key; default to default action
     *
     * Returns formatted action name
     *
     * @param Zend_Controller_Request_Abstract $request
     * @return string
     */
    public function getActionMethod(Zend_Controller_Request_Abstract $request)
    {
        $action = $request->getActionName();
        if (empty($action)) {
            $action = $this->getDefaultAction();
            $request->setActionName($action);
        }

        return $this->formatActionName($action);
    }
}
Back to Top