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NullObjectMethodInterceptor.php
01 <?php
02 /*
03 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
04 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
05 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
06 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
07 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
08 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
09 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
10 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
11 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
12 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
13 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
14 *
15 * This software consists of voluntary contributions made by many individuals
16 * and is licensed under the MIT license.
17 */
18
19 namespace ProxyManager\ProxyGenerator\NullObject\MethodGenerator;
20
21 use ProxyManager\Generator\MethodGenerator;
22 use ProxyManager\Generator\Util\UniqueIdentifierGenerator;
23 use Zend\Code\Reflection\MethodReflection;
24
25 /**
26 * Method decorator for null objects
27 *
28 * @author Vincent Blanchon <blanchon.vincent@gmail.com>
29 * @license MIT
30 */
31 class NullObjectMethodInterceptor extends MethodGenerator
32 {
33 /**
34 * @param \Zend\Code\Reflection\MethodReflection $originalMethod
35 *
36 * @return NullObjectMethodInterceptor|static
37 */
38 public static function generateMethod(MethodReflection $originalMethod)
39 {
40 /* @var $method self */
41 $method = static::fromReflection($originalMethod);
42
43 if ($originalMethod->returnsReference()) {
44 $reference = UniqueIdentifierGenerator::getIdentifier('ref');
45
46 $method->setBody("\$$reference = null;\nreturn \$$reference;");
47 } else {
48 $method->setBody('');
49 }
50
51 return $method;
52 }
53 }
54