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- 06.01.2017
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NullObjectFactory.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\Factory;
20
21 use ProxyManager\ProxyGenerator\NullObjectGenerator;
22
23 /**
24 * Factory responsible of producing proxy objects
25 *
26 * @author Vincent Blanchon <blanchon.vincent@gmail.com>
27 * @license MIT
28 */
29 class NullObjectFactory extends AbstractBaseFactory
30 {
31 /**
32 * @var \ProxyManager\ProxyGenerator\NullObjectGenerator|null
33 */
34 private $generator;
35
36 /**
37 * @param object $instanceOrClassName the object to be wrapped or interface to transform to null object
38 *
39 * @return \ProxyManager\Proxy\NullobjectInterface
40 */
41 public function createProxy($instanceOrClassName)
42 {
43 $className = is_object($instanceOrClassName) ? get_class($instanceOrClassName) : $instanceOrClassName;
44 $proxyClassName = $this->generateProxy($className);
45
46 return new $proxyClassName();
47 }
48
49 /**
50 * {@inheritDoc}
51 */
52 protected function getGenerator()
53 {
54 return $this->generator ?: $this->generator = new NullObjectGenerator();
55 }
56 }
57