PHP Classes

SSA: Call PHP classes from JavaScript on Web pages

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ssa 1.0.4The PHP License5.0PHP 5, AJAX
Description 

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This package can be used to call PHP classes from JavaScript on Web pages.

It can register service classes for handling API calls.

On the browser side a JavaScript library is provided to perform the API calls.

On the server side a separate script will take the request parameters and pass them to a dispatcher class that will call the respective service class that will respond to the request.

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Documentation

SSA : Simple Service Access

SSA is a framework to simply perform Ajax call. You can call your service as PHP into you javascript.

Usage

Example

The usage of ssa is very simple, you create your PHP service, and you can call this service in javascript code. For example : HelloWorld.php

namespace services\;

/
 * simple example service
 *
 * @author deblock
 */
class HelloWorld {
    
    /
     * return Hello <yourName> !!
     * @param string $yourName
     * @return string 
     */
    public function helloYou($yourName) {
        return 'Hello ' . $yourName.' !!';
    }
}

example.html

<!DOCTYPE html>
<html>
    <head>
        <title></title>
        <!-- include ssa core javascript -->
        <script type="text/javascript" src="javascript/ssa.js" ></script>
        <!-- include the autogenerate javascript service -->
        <script type="text/javascript" src="javascript.php?service=HelloWorld"></script>
        <script type="text/javascript">
            HelloWorld.helloYou('deblockt').done(function(result){
                document.getElementById('serviceResult').innerHTML = result;
            });
        </script>
    </head>
    <body>
        <div> SSA exemple </div>
        <div id="serviceResult"></div>
    </body>
</html>

This exemple add "Hello deblock !!" into the serviceResult div.

Working

For convert the service into Javascript service ssa use doc comment. It's use the @param annotation for know parameters and type parameters. If a php parameter have no comment, they will not be export into javascrit service.

For run the service, @param annotations are used, the type is use for convert $_POST parameters into PHP type. Type support can be primitive, complete class name (with namespace), \DateTime(inputFormat, file or array. \DateTime and array are specific. \DateTime type have parameter input format. Example \DateTime(m/d/Y) array can have parameter. Example array(int) array(int) array(\Path\To\My\Class) array(file) ...

Javascript service have multiple method for handle ajax event. fail* : If a network error occurs always* : Already run after ajax call phpError* : Run if a php error occurs. (if the ssa mode is debug, the php error are logged) done* : Run when the service call is a success.

ssa.js has two default handler : defaultFailHandler* : default handler used if no specific handler are specified. It can be overrided by fail handler. defaultPhpErrorHandler* : default handler used if no specific handler are specified. It can be overrided by phpError handler.

_serviceTest.js_

myService.myAction('firstParameter', {attr1 : 'value1'})
         .done(function(returnValue, xhr) { alert(returnValue);})
         .fail(function(xhr) {alter('a network error occurs');})
         .phpError(function(errorPhp, xhr) {alter('an error occurs'.errorPhp.message);})
         .always(function(xhr){console.log('fin de la requête')}); 

each callback have the same object context, you can pass variable between this callbacks.

Support

Ssa support multiple type parameter, and return value. Parameters and return value can be, primitive type, object or DateTime, array, you can simply add an other type support.

Ssa support file uploaded, if you want upload a file you must use the file, or array(file) types.

service.php

class FileService {

    /
     * @param file $file
     */
    public function upload($file) {
        // file is like this
        // array(
        //  'name' => 'string',
        //  'size' => int,
        //  'error' => int,
        //  'tmp_name' => 'string',
        //  'type' => 'string'
        // )
    }
    
    /
     * @param array(file) $files
     */
    public function uploadMultiple($files) {
        foreach ($files as $file) {
            $this->upload($file);
        }
    }
}

FileUpload.js

// upload one file
FileService.upload(document.getElementById('simpleFileUploadInput').files);
// upload multiple file
FileService.uploadMultipleFile(document.getElementById('multipleFileUploadInput').files);

Warning the file uploaded is not support by all navigator, it use FormData class. The method ssa.supportFileUpload return true if the navigator support this function. When you run a service with file upload the callback formDataError is call is this function is not supported.

FileService.upload(document.getElementById('simpleFileUploadInput').files)
           .formDataError(function(){
                alert('Your navigator is too old for this function');
           });

Ssa support multiple javascript framework : - you can use ssa standolone only on include ssa.js file - you can use ssa with angular js you just need to include ssa.js file and your service generated file. After use injection dependencies for get your service.

for exemple : 
  // add ssa as module dependencies
  var controller = angular.module('ssa.test', ['ssa']);
  // get simply your service on your controller with the service name. here the service is helloWorldService
  controller.controller('controller', function($scope, helloWorldService){   
  });

- you can use ssa with requirejs you just need to include ssa on your configuration of requirejs.

// configuration must containe a ssa link
require.config({
  paths: {
      // you must add ssa srcipt on your configuration
      "ssa": "path/to/ssa/javascript/file",
      // warning if you don't use htaccess service param is like this /serviceName
      // if you use htacess you can have url like this /javascript/ssa/service/servicename.js who redirect on javascript.php
      // path of your javscript service generator
      "ssaService" : "javascript.php?type=requirejs&service=" 
  }
});

// juste require your service
require( ["ssaService/helloWorldService"],
  function(helloWorldService) {
    // helloWorldService is you php service
  }
);

If you want see ssa exemple you can look on test/ssa/toEndTest directory

Configuration

The ssa configuration is different between standalone version, and the symfony version.

Symfony version

For symfony version you can look this bundle project

Standalone

The documentation of the Standalone version is under.

Register you service

The simple way for register your service is to create a configuration.php files. this file call the serviceManager for register your own services.

configuration.php

include 'autoload.php';

use ssa\ServiceManager;

// the first way to do this is with registerAllServices method 
ServiceManager::getInstance()->registerAllServices(array(
    // the first service is the class ssa\test\Service1 and we expose all this method 
    'service1' => array(
      'class' => 'ssa\test\Service1'
    ),
    // the second service is the class ssa\test\Service2 and we expose only the action1 and action2 method 
    'service2' => array(
      'class' => 'ssa\test\Service2',
      'methods' => array('action1','action2')
    )
));

// the second way to do this is the registerService function, you can only register one service
ServiceManager::getInstance()->registerService('service3','ssa\test\Service3');
// or
ServiceManager::getInstance()->registerService('service4','ssa\test\Service4', array('action1'));
  

Configure SSA

SSA can be configured, the configuration can be in the configuration.php file.

configuration.php

include 'autoload.php';

use ssa\Configuration;

Configuration::getInstance()->configure(array(
    'debug' => true, // if debug is true the generated javascript file are not minimized
    'cacheMode' => 'file', // if the cache is configured this cache mode is use, this can be file,apc,memcache,no(default)
    'cacheDirectory' => '', // if the cacheMode is file, this parameter is mandatory, this is the directory where the cache is put
    'memcacheHost' => '', // if the cacheMode is memcache is set this parameter is mandatory
    'memcachePort' => ''// if the cacheMode is memcache is set this parameter is mandatory
));

// the configuration can be do like this, example
Configuration::getInstance()->setDebug(true);
Configuration::getInstance()->setCacheMode('file');

/service register/

Add type support

If default type support of ssa is not suffisant, you can define your own type support. You have two way to do this, add simple a type support (for object, or for parameter), or create a new ParameterResolver who resolve primitive and object. A default ParameterResolver exists, it can resolve primitiveType, array, object, and \DataTime.

The first method to add a type resolver is add directly into the default type resolver. _configuration.php_

/ register services, and configure ssa */

use ssa\runner\resolver\impl\DefaultParameterResolver;
$defaultParameter = DefaultParameterResolver::createDefaultParameterResolver();
$defaultParameter->addObjectResolver(new MyObjectResolver());
$defaultParameter->addPrimitiveResolver(new MyPrimitiveResolver());

Your own ObjectResolver and your ParameterResolver need impements ssa\runner\resolver\ObjectResolver, ssa\runner\resolver\PrimitiveResolver. see documentation of PrimitiveResolver and ObjectResolver.

Or you can create your own ParameterResolver (not recommended). your ParameterResolver need implement ssa\runner\resolver\ParameterResolver.

run.php

include 'configuration.php';

use ssa\runner\ServiceRunner;
// get the service and the action : HelloWorld.sayHello
list($service, $action) = explode('.', $_GET['service']);

// create the service runner
$serviceRunner = new ServiceRunner($service, new MyParameterResolver());
// run the action with get parameters
echo $serviceRunner->runAction($action, $_GET);

Create an encoder

The encoder is use for encode your function return into javascipt value. The default encoder is the JsonEncoder, this encoder can convert primitive type, array, and object. Objects are convert with getter methods, each getter is convert into a JSON property. If you need you can create your own encoder, you can do this, it's simple. On your service action you need to add @Encoder annotation. Service.php

class Service {
  /
   * @Encoder(\MyEncoder)
   *
   * @param string $firstParameter
   *
   * @return string
   */
  public function action($firstParameter) {
    return $firstParameter;
  }
}

The action method use MyEncoder for convert the return on JSON or other format. Your encoder must implements ssa\runner\converter\Encoder, or extends ssa\runner\converter\DefaultJsonEncoder.

Installation

Il you want use SSA you have many solution.

Use with symfony

An other project allow to simply add this project into your symfony project. see ssa/symfony.

Use the standalone version

The standalone version is enable.

Download with Composer

The first solution is to use a project with composer, you can just add ssa/core dependencies.

Download without composer

If you don't want use composer, you can add ssa into you project.

  • Downlaod the project
  • Add the project into your own project
  • Update your autoloader for autoload the ssa classes.
    function __autoload($className)  {
      if (strpos($className, 'ssa\') == 0) {
        $file = str_replace('\\', DIRECTORY_SEPARATOR, $className) . '.php';
        include $YOUR_INSTALATION_DIRECTORY.DIRECTORY_SEPARATOR.$file;
      }
    }
    
  • Install doctrine/annotations and doctrine/cache
  • You are ready to use SSA

Controller creation

For use the standalone version of SSA you need to use two php file, one to create javascript service, one to run the php controller. this two php files, need to use configuration php file for register your services.

configuration.php

include 'autoload.php';

use ssa\ServiceManager;
use ssa\Configuration;

// configure the ssa framework
Configuration::getInstance()->configure(array(
    'debug' => true
));
// registrer your services
ServiceManager::getInstance()->registerAllServices(array(
    'HelloWorld' => array('class' => 'ssa\toEndTest\HelloWorld')
));

run.php

include 'configuration.php';

use ssa\runner\ServiceRunner;
// get the service and the action : HelloWorld.sayHello
list($service, $action) = explode('.', $_GET['service']);

// create the service runner
$serviceRunner = new ServiceRunner($service);
// run the action with get parameters
echo $serviceRunner->runAction($action, array_merge($_POST, $_FILES));

javascript.php

include 'configuration.php';

use ssa\converter\JavascriptConverter;
use ssa\converter\SimpleUrlFactory;

// url use to call php services
$url = substr($_SERVER['REQUEST_URI'],0, strrpos($_SERVER['REQUEST_URI'], '/'));
// url factory use for create the service run url (your run.php file)
$factory = new SimpleUrlFactory("http://$_SERVER[HTTP_HOST]$url/run.php?service={action}&test=true");
// create the converter convert the service into Javascript service, service use $_GET parameter
$converter = new JavascriptConverter($_GET['service'], $factory);

echo $converter->convert();

for example for get javascript HelloWorld service the url is _http://localhost/javascript.php?service=HelloWorld_

finaly you need include ssa.js into you javascript folder.


  Files folder image Files  
File Role Description
Files folder imagejavascript (1 file)
Files folder imagesrc (1 directory)
Files folder imagetest (2 files, 1 directory)
Accessible without login Plain text file .gitignore Data Auxiliary data
Accessible without login Plain text file composer.json Data Auxiliary data
Accessible without login Plain text file README.md Doc. Auxiliary data

  Files folder image Files  /  javascript  
File Role Description
  Accessible without login Plain text file ssa.js Data Auxiliary data

  Files folder image Files  /  src  
File Role Description
Files folder imagessa (4 files, 4 directories)

  Files folder image Files  /  src  /  ssa  
File Role Description
Files folder imageannotation (1 file)
Files folder imageconverter (6 files)
Files folder imagerunner (5 files, 2 directories)
Files folder imageutil (1 file)
  Plain text file Configuration.php Class Class source
  Plain text file ServiceManager.php Class Class source
  Plain text file ServiceMetadata.php Class Class source
  Plain text file ServiceNotRegistredException.php Class Class source

  Files folder image Files  /  src  /  ssa  /  annotation  
File Role Description
  Plain text file AnnotationUtil.php Class Class source

  Files folder image Files  /  src  /  ssa  /  converter  
File Role Description
  Plain text file AngularJavascriptConverter.php Class Class source
  Plain text file JavascriptConverter.php Class Class source
  Plain text file RequireJsJavascriptConverter.php Class Class source
  Plain text file ServiceConverter.php Class Class source
  Plain text file SimpleUrlFactory.php Class Class source
  Plain text file UrlFactory.php Class Class source

  Files folder image Files  /  src  /  ssa  /  runner  
File Role Description
Files folder imageconverter (3 files, 1 directory)
Files folder imageresolver (6 files, 1 directory)
  Plain text file ActionNotSupportedException.php Class Class source
  Plain text file BadTypeException.php Class Class source
  Plain text file ClassNotFoundException.php Class Class source
  Plain text file MissingParameterException.php Class Class source
  Plain text file ServiceRunner.php Class Class source

  Files folder image Files  /  src  /  ssa  /  runner  /  converter  
File Role Description
Files folder imageannotations (1 file)
  Plain text file DefaultJsonEncoder.php Class Class source
  Plain text file Encoder.php Class Class source
  Plain text file FileEncoder.php Class Class source

  Files folder image Files  /  src  /  ssa  /  runner  /  converter  /  annotations  
File Role Description
  Plain text file Encoder.php Class Class source

  Files folder image Files  /  src  /  ssa  /  runner  /  resolver  
File Role Description
Files folder imageimpl (7 files)
  Plain text file ObjectResolver.php Class Class source
  Plain text file ObjectResolverCOR.php Class Class source
  Plain text file ParameterResolver.php Class Class source
  Plain text file PrimitiveResolver.php Class Class source
  Plain text file PrimitiveResolverCOR.php Class Class source
  Plain text file TypeNotSupportedException.php Class Class source

  Files folder image Files  /  src  /  ssa  /  runner  /  resolver  /  impl  
File Role Description
  Plain text file ArrayFilePrimitiveResolver.php Class Class source
  Plain text file ArrayPrimitiveResolver.php Class Class source
  Plain text file DateTimeObjectResolver.php Class Class source
  Plain text file DefaultObjectResolver.php Class Class source
  Plain text file DefaultParameterResolver.php Class Class source
  Plain text file DefaultPrimitiveResolver.php Class Class source
  Plain text file FilePrimitiveResolver.php Class Class source

  Files folder image Files  /  src  /  ssa  /  util  
File Role Description
  Plain text file ParameterUtil.php Class Class source

  Files folder image Files  /  test  
File Role Description
Files folder imagessa (4 directories)
  Accessible without login Plain text file bootstrap.php Aux. Class source
  Accessible without login Plain text file phpunit.xml Data Auxiliary data

  Files folder image Files  /  test  /  ssa  
File Role Description
Files folder imageannotation (1 file)
Files folder imageconverter (3 files)
Files folder imagerunner (3 files, 2 directories)
Files folder imagetoEndTest (7 files)

  Files folder image Files  /  test  /  ssa  /  annotation  
File Role Description
  Accessible without login Plain text file AnnotationUtilTest.php Test Unit test script

  Files folder image Files  /  test  /  ssa  /  converter  
File Role Description
  Accessible without login Plain text file JavascriptConverterTest.php Test Unit test script
  Accessible without login Plain text file ServiceTest.php Test Unit test script
  Accessible without login Plain text file SimpleUrlFactoryTest.php Test Unit test script

  Files folder image Files  /  test  /  ssa  /  runner  
File Role Description
Files folder imageconverter (2 files)
Files folder imageresolver (3 files, 1 directory)
  Accessible without login Plain text file ServiceManagerTest.php Test Unit test script
  Accessible without login Plain text file ServiceMetadataTest.php Test Unit test script
  Accessible without login Plain text file ServiceRunnerTest.php Test Unit test script

  Files folder image Files  /  test  /  ssa  /  runner  /  converter  
File Role Description
  Accessible without login Plain text file DefaultJsonEncoderTest.php Test Unit test script
  Accessible without login Plain text file FileEncoderTest.php Test Unit test script

  Files folder image Files  /  test  /  ssa  /  runner  /  resolver  
File Role Description
Files folder imageimpl (6 files)
  Accessible without login Plain text file ObjectResolverCORTest.php Test Unit test script
  Accessible without login Plain text file Pojo.php Test Unit test script
  Accessible without login Plain text file PrimitiveResolverCORTest.php Test Unit test script

  Files folder image Files  /  test  /  ssa  /  runner  /  resolver  /  impl  
File Role Description
  Accessible without login Plain text file ArrayFilePrimitiveResolver.php Test Unit test script
  Accessible without login Plain text file ArrayPrimitiveResolverTest.php Test Unit test script
  Accessible without login Plain text file DateTimeObjectResolverTest.php Test Unit test script
  Accessible without login Plain text file DefaultObjectResolverTest.php Test Unit test script
  Accessible without login Plain text file DefaultPrimitiveResolverTest.php Test Unit test script
  Accessible without login Plain text file FilePrimitiveResolver.php Test Unit test script

  Files folder image Files  /  test  /  ssa  /  toEndTest  
File Role Description
  Accessible without login Plain text file HelloWorld.php Example Example script
  Accessible without login Plain text file javascript.php Example Example script
  Accessible without login Plain text file run.php Example Example script
  Accessible without login Plain text file serviceConfig.php Example Example script
  Accessible without login Plain text file test.html Data Auxiliary data
  Accessible without login Plain text file test_angular.html Data Auxiliary data
  Accessible without login HTML file test_requirejs.html Doc. Documentation

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User Comments (1)
this is a very good class ;)
9 years ago (pooya sabramooz)
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