WebSVN – lars-tiefland.prado – /framework/3rdParty/WsdlGen/Wsdl.php

<?php
/**
 * Wsdl file.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the BSD License.
 *
 * Copyright(c) 2005 by Marcus Nyeholt. All rights reserved.
 *
 * To contact the author write to {@link mailto:tanus@users.sourceforge.net Marcus Nyeholt}
 * This file is part of the PRADO framework from {@link http://www.xisc.com}
 *
 * @author Marcus Nyeholt               <tanus@users.sourceforge.net>
 * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
 * @version $Id: Wsdl.php 2393 2008-03-07 17:12:19Z xue $
 * @package System.Web.Services.SOAP
 */

/**
 * Contains the dom object used to build up the wsdl. The
 * operations generated by the generator are stored in here until the getWsdl()
 * method is called which builds and returns the generated XML string.
 * @author              Marcus Nyeholt          <tanus@users.sourceforge.net>
 * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
 * @version     $Revision$
 */
class Wsdl
{
        /**
         * The name of the service (usually the classname)
         * @var         string
         */
        private $serviceName;

        /**
         * The URI to find the service at. If empty, the current
         * uri will be used (minus any query string)
         */
        private $serviceUri;

        /**
         * The complex types declarations
         * @var         ArrayObject
         */
        private $types;


        /**
         * A collection of SOAP operations
         * @var         array
         */
        private $operations=array();

        /**
         * Wsdl DOMDocument that's generated.
         */
        private $wsdl = null;

        /**
         * The definitions created for the WSDL
         */
        private $definitions = null;

        /**
         * The target namespace variable?
         */
        private $targetNamespace ='';

        /**
         * The binding style (default at the moment)
         */
        private $bindingStyle = 'rpc';

        /**
         * The binding uri
         */
        private $bindingTransport = 'http://schemas.xmlsoap.org/soap/http';

        private $_encoding='';

        private static $_primitiveTypes = array('string', 'int', 'float', 'boolean', 'date', 'time', 'dateTime');

        /**
         * Creates a new Wsdl thing
         * @param       string          $name the name of the service.
         * @param       string          $serviceUri             The URI of the service that handles this WSDL
         * @param string character encoding
         */
        public function __construct($name, $serviceUri='', $encoding='')
        {
                $this->_encoding = $encoding;
                $this->serviceName = $name;
                if ($serviceUri == '') $serviceUri = 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'];
                $this->serviceUri = str_replace('&amp;', '&', $serviceUri);
                $this->types = new ArrayObject();
                $this->targetNamespace = 'urn:'.$name.'wsdl';
        }

        public function getWsdl()
        {
                $this->buildWsdl();
                return $this->wsdl;
        }

        /**
         * Generates the WSDL file into the $this->wsdl variable
         */
        protected function buildWsdl()
        {
                $encoding = $this->_encoding==='' ? '' : 'encoding="'.$this->_encoding.'"';

                $xml = '<?xml version="1.0" '.$encoding.'?>
                 <definitions name="'.$this->serviceName.'" targetNamespace="'.$this->targetNamespace.'"
                     xmlns="http://schemas.xmlsoap.org/wsdl/"
                     xmlns:tns="'.$this->targetNamespace.'"
                     xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
                     xmlns:xsd="http://www.w3.org/2001/XMLSchema"
                                         xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
                     xmlns:soap-enc="http://schemas.xmlsoap.org/soap/encoding/"></definitions>';

                $dom = new DOMDocument();
                $dom->loadXml($xml);
                $this->definitions = $dom->documentElement;

                $this->addTypes($dom);

                $this->addMessages($dom);
                $this->addPortTypes($dom);
                $this->addBindings($dom);
                $this->addService($dom);

                $this->wsdl = $dom->saveXML();
        }

        /**
         * Adds complexType definitions to the document
         * @param               DomDocument             $dom            The document to add to
         */
        public function addTypes(DomDocument $dom)
        {
                if (!count($this->types)) return;
                $types = $dom->createElementNS('http://schemas.xmlsoap.org/wsdl/', 'wsdl:types');
                $schema = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:schema');
                $schema->setAttribute('targetNamespace', $this->targetNamespace);
                foreach($this->types as $type => $elements)
                {
                        $complexType = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:complexType');
                        $complexType->setAttribute('name', $type);
                        if(substr($type, strlen($type) - 5, 5) == 'Array')  // if it's an array
                        {
                                $complexContent = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:complexContent');
                                $restriction = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:restriction');
                                $restriction->setAttribute('base', 'soap-enc:Array');
                                $attribute = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:attribute');
                                $attribute->setAttribute('ref', "soap-enc:arrayType");
                                $attribute->setAttribute('wsdl:arrayType', $this->getArrayTypePrefix($type) . substr($type, 0, strlen($type) - 5) . '[]');
                                $restriction->appendChild($attribute);
                                $complexContent->appendChild($restriction);
                                $complexType->appendChild($complexContent);
                        }
                        else
                        {
                                $all = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:all');
                                foreach($elements as $elem)
                                {
                                        $e = $dom->createElementNS('http://www.w3.org/2001/XMLSchema', 'xsd:element');
                                        $e->setAttribute('name', $elem['name']);
                                        $e->setAttribute('type', $elem['type']);
                                        $all->appendChild($e);
                                }
                                $complexType->appendChild($all);
                        }
                        $schema->appendChild($complexType);
                        $types->appendChild($schema);
                }

                $this->definitions->appendChild($types);
        }

        /**
         * @return string prefix 'xsd:' for primitive array types, otherwise, 'tns:'
         */
        protected function getArrayTypePrefix($type)
        {
                $elementType = substr($type, 0, strlen($type) - 5);
                return in_array($elementType, self::$_primitiveTypes) ? 'xsd:' : 'tns:';
        }

        /**
         * Add messages for the service
         * @param               DomDocument             $dom            The document to add to
         */
        protected function addMessages(DomDocument $dom)
        {
                foreach ($this->operations as $operation) {
                        $operation->setMessageElements($this->definitions, $dom);
                }
        }

        /**
         * Add the port types for the service
         * @param               DomDocument             $dom            The document to add to
         */
        protected function addPortTypes(DOMDocument $dom)
        {
                $portType = $dom->createElementNS('http://schemas.xmlsoap.org/wsdl/', 'wsdl:portType');
                $portType->setAttribute('name', $this->serviceName.'PortType');

                $this->definitions->appendChild($portType);
                foreach ($this->operations as $operation) {
                        $portOperation = $operation->getPortOperation($dom);
                        $portType->appendChild($portOperation);
                }
        }

        /**
         * Add the bindings for the service
         * @param               DomDocument             $dom            The document to add to
         */
        protected function addBindings(DOMDocument $dom)
        {
                $binding = $dom->createElementNS('http://schemas.xmlsoap.org/wsdl/', 'wsdl:binding');
                $binding->setAttribute('name', $this->serviceName.'Binding');
                $binding->setAttribute('type', 'tns:'.$this->serviceName.'PortType');

                $soapBinding = $dom->createElementNS('http://schemas.xmlsoap.org/wsdl/soap/', 'soap:binding');
                $soapBinding->setAttribute('style', $this->bindingStyle);
                $soapBinding->setAttribute('transport', $this->bindingTransport);
                $binding->appendChild($soapBinding);

                $this->definitions->appendChild($binding);

                foreach ($this->operations as $operation) {
                        $bindingOperation = $operation->getBindingOperation($dom, $this->targetNamespace, $this->bindingStyle);
                        $binding->appendChild($bindingOperation);
                }
        }

        /**
         * Add the service definition
         * @param               DomDocument             $dom            The document to add to
         */
        protected function addService(DomDocument $dom)
        {
                $service = $dom->createElementNS('http://schemas.xmlsoap.org/wsdl/', 'wsdl:service');
                $service->setAttribute('name', $this->serviceName.'Service');

                $port = $dom->createElementNS('http://schemas.xmlsoap.org/wsdl/', 'wsdl:port');
                $port->setAttribute('name', $this->serviceName.'Port');
                $port->setAttribute('binding', 'tns:'.$this->serviceName.'Binding');

                $soapAddress = $dom->createElementNS('http://schemas.xmlsoap.org/wsdl/soap/', 'soap:address');
                $soapAddress->setAttribute('location', $this->serviceUri);
                $port->appendChild($soapAddress);

                $service->appendChild($port);

                $this->definitions->appendChild($service);
        }

        /**
         * Adds an operation to have port types and bindings output
         * @param               WsdlOperation           $operation              The operation to add
         */
        public function addOperation(WsdlOperation $operation)
        {
                $this->operations[] = $operation;
        }

        /**
         * Adds complexTypes to the wsdl
         * @param string        $type   Name of the type
         * @param Array         $elements       Elements of the type (each one is an associative array('name','type'))
         */
        public function addComplexType($type, $elements)
        {
                $this->types[$type] = $elements;
        }
}
?>
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