disco_server.php

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<?
//
// +----------------------------------------------------------------------+
// | PHP Version 4                                                        |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group                                |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.02 of the PHP license,      |
// | that is bundled with this package in the file LICENSE, and is        |
// | available at through the world-wide-web at                           |
// | http://www.php.net/license/2_02.txt.                                 |
// | If you did not receive a copy of the PHP license and are unable to   |
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// | [e-mail] so we can mail you a copy immediately.               |
// +----------------------------------------------------------------------+
// | Author: Dmitri Vinogradov <[e-mail]>                    |
// +----------------------------------------------------------------------+
//
// $Id: disco_server.php 6819 2007-06-20 13:09:21Z kevin_fourie $

/*
  This example shows how to mark up a server object so that
  wsdl files may be dynamicaly generated by the soap
  server.  This also provides access to a generated DISCO document.
  The fact that this example has an MP3 class is in no way
  related to DISCO. ;)
  
  DISCO: http://msdn.microsoft.com/msdnmag/issues/02/02/xml/default.aspx
  
  A url accessing this server would look like:
  
  http://localhost/disco_server.php?wsdl (generate WSDL file)
  http://localhost/disco_server.php (GET request generates DISCO)
  http://localhost/disco_server.php (POST for normal soap requests)
*/

error_reporting(E_ALL);
require_once 'SOAP/Server.php';

class MP3DB_Class {
    var $__dispatch_map = array();
    var $__typedef     = array();
    
    function MP3DB_Class () {
        /**
        * the only way to describe all methods in WSDL (messages,
        * PortType-operations and bindings) is to use __dispatch_map
        * to describe every method (even methods using simple data 
        * types in 'in' and 'out' parameters...)
        */
        
        $this->__dispatch_map['SayHallo'] =
                    array(
                        'in' => array('input' => 'string'),
                        'out' => array('return' => 'string')
                    );
                    
        $this->__dispatch_map['SayThisNTimes'] =
                    array(
                        'in' => array('SayThis'=>'string','NTimes' => 'int'),
                        'out' => array('return' => '{urn:MP3DB}ArrayOfStrings')
                    );
                    
        $this->__dispatch_map['GetMP3Tracks'] =
                    array(
                        'in' => array('query' => 'string'),
                        'out' => array('return' => '{urn:MP3DB}GetMP3TracksResult')
                    );
                    
        $this->__dispatch_map['AddMP3Track'] =
                    array(
                        'in' => array('MP3Track' => '{urn:MP3DB}MP3Track'),
                        'out' => array('return' => '{urn:MP3DB}AddMP3TrackResult')
                    );

        /**
        * I use __typedef to describe userdefined Types in WSDL.
        * Structs and one-dimensional arrays are supported:
        * Struct example: $this->__typedef['TypeName'] = array('VarName' => 'xsdType', ... );
        *    or $this->__typedef['TypeName'] = array('VarName' => '{namespace}SomeOtherType');
        * Array example: $this->__typedef['TypeName'] = array(array('item' => 'xsdType'));
        *    or $this->__typedef['TypeName'] = array(array('item' => '{namespace}SomeOtherType'));
        */
    
        /**
        * Struct 'MP3Track'
        */
        $this->__typedef['MP3Track'] = 
                    array(
                        'Title' => 'string',
                        'Artist' => 'string', 
                        'Album' => 'string', 
                        'Year' => 'int', 
                        'Genre' => 'int',
                        'Comment' => 'string',
                        'Composer' => 'string',
                        'Orig_Artist' => 'string',
                        'URL' => 'string',
                        'Encoded_by' => 'string'
                    );
                    
                    
                    
        /**
        * MP3TracksArray - array of 'MP3Track' structs
        */
        $this->__typedef['MP3TracksArray'] = 
                    array(
                        array(
                            'item' => '{urn:MP3DB}MP3Track'
                        )
                    );
                    
        /**
        * Struct 'MethodDebug'
        */
        $this->__typedef['MethodDebug'] = 
                    array(
                        'rc' => 'boolean',
                        'ErrNo' => 'int', 
                        'Error' => 'string'
                    );
                    
        /**
        * return Struct of method GetMP3Tracks
        */
        $this->__typedef['GetMP3TracksResult'] = 
                    array(
                        'MethodDebug' => '{urn:MP3DB}MethodDebug',
                        'MP3Tracks' => '{urn:MP3DB}MP3TracksArray'
                    );
                    
        /**
        * return Struct of method AddMP3Track
        */
        $this->__typedef['AddMP3TrackResult'] = 
                    array(
                        'MethodDebug' => '{urn:MP3DB}MethodDebug'
                    );
                    
        /**
        * Array of strings
        */
        $this->__typedef['ArrayOfStrings'] = 
                    array(
                        array('item'=>'string')
                    );
    
    }
    
    
    function SayHallo($name) {
        return "Hallo, " . $name;
    }
    
    
    function SayThisNTimes($SayThis,$NTimes) {
        for ($i = 0; $i < $NTimes; $i++) {
            $return[$i] = $SayThis . " $i";
        }
        return new SOAP_Value('return','{urn:MP3DB}ArrayOfStrings',$return);
    }
    
    
    function GetMP3Tracks($query = "") {
        for($i = 0; $i < 5; $i++) {
            $this->MP3Tracks[$i] = new SOAP_Value(
                    'item',
                    '{urn:MP3DB}MP3Track',
                    array(
                        "Title"         => new SOAP_Value("Title","string","some track $i"),
                        "Artist"        => new SOAP_Value("Artist","string","some artist $i"),
                        "Album"         => new SOAP_Value("Album","string","some album $i"),
                        "Year"          => new SOAP_Value("Year","int",(integer)1999),
                        "Genre"         => new SOAP_Value("Genre","int",(integer)100),
                        "Comment"       => new SOAP_Value("Comment","string","blabla $i"),
                        "Composer"      => new SOAP_Value("Composer","string",""),
                        "Orig_Artist"   => new SOAP_Value("Orig_Artist","string",""),
                        "URL"           => new SOAP_Value("URL","string",""),
                        "Encoded_by"    => new SOAP_Value("Encoded_by","string","")
                        )
                );
        }
        
        $MethodDebug["rc"]    = new SOAP_Value("rc","boolean",true);
        $MethodDebug["ErrNo"] = new SOAP_Value("ErrNo","int",(integer)0);
        $MethodDebug["Error"] = new SOAP_Value("Error","string","");
            
        return new SOAP_Value('return','{urn:MP3DB}GetMP3TracksResult',array(
                    "MethodDebug" => new SOAP_Value('MethodDebug','{urn:MP3DB}MethodDebug',$MethodDebug),
                    "MP3Tracks"   => new SOAP_Value('MP3Tracks','{urn:MP3DB}MP3TracksArray',$this->MP3Tracks)
                    )
                );
    }
    
    
    function AddMP3Track($MP3Track) {
        # well, lets imagine here some code for adding given mp3track to db or whatever...
        $MethodDebug["rc"]    = new SOAP_Value("rc","boolean",true);
        $MethodDebug["ErrNo"] = new SOAP_Value("ErrNo","int",(integer)0);
        $MethodDebug["Error"] = new SOAP_Value("Error","string","");
        
        return new SOAP_Value('return','{urn:MP3DB}AddMP3TrackResult',array(
                    "MethodDebug" => new SOAP_Value('MethodDebug','{urn:MP3DB}MethodDebug',$MethodDebug)
                    )
                );
    }
    
    
    function __dispatch($methodname) {
        if (isset($this->__dispatch_map[$methodname]))
            return $this->__dispatch_map[$methodname];
        return NULL;
    }
}

$server = new SOAP_Server;
$server->_auto_translation = true;
$MP3DB_Class = new MP3DB_Class();
$server->addObjectMap($MP3DB_Class,'urn:MP3DB');


if (isset($_SERVER['REQUEST_METHOD']) &&
    $_SERVER['REQUEST_METHOD']=='POST') {
    $server->service($HTTP_RAW_POST_DATA);
} else {
    require_once 'SOAP/Disco.php';
    $disco = new SOAP_DISCO_Server($server,"MP3DB");
    header("Content-type: text/xml");
    if (isset($_SERVER['QUERY_STRING']) &&
       strcasecmp($_SERVER['QUERY_STRING'],'wsdl')==0) {
        echo $disco->getWSDL();
    } else {
        echo $disco->getDISCO();
    }
    exit;
}
?>