diff --git a/src/BeSimple/SoapCommon/WsdlHandler.php b/src/BeSimple/SoapCommon/WsdlHandler.php
new file mode 100644
index 0000000..cec21f5
--- /dev/null
+++ b/src/BeSimple/SoapCommon/WsdlHandler.php
@@ -0,0 +1,206 @@
+<?php
+
+/*
+ * This file is part of BeSimpleSoapCommon.
+ *
+ * (c) Christian Kerl <christian-kerl@web.de>
+ * (c) Francis Besset <francis.besset@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace BeSimple\SoapCommon;
+
+/**
+ * This class loads the given WSDL file and allows to check MIME binding
+ * information.
+ *
+ * @author Andreas Schamberger <mail@andreass.net>
+ */
+class WsdlHandler
+{
+    /**
+     * Binding type 'input' .
+     */
+    const BINDING_OPERATION_INPUT  = 'input';
+
+    /**
+     * Binding type 'output' .
+     */
+    const BINDING_OPERATION_OUTPUT = 'output';
+
+    /**
+     * WSDL 1.1 namespace.
+     */
+    const NS_WSDL = 'http://schemas.xmlsoap.org/wsdl/';
+
+    /**
+     * WSDL MIME namespace.
+     */
+    const NS_WSDL_MIME = 'http://schemas.xmlsoap.org/wsdl/mime/';
+
+    /**
+     * WSDL SOAP 1.1 namespace.
+     */
+    const NS_WSDL_SOAP_1_1 = 'http://schemas.xmlsoap.org/wsdl/soap/';
+
+    /**
+     * WSDL SOAP 1.2 namespace.
+     */
+    const NS_WSDL_SOAP_1_2 = 'http://schemas.xmlsoap.org/wsdl/soap12/';
+
+    /**
+     * WSDL file name.
+     *
+     * @var string
+     */
+    private $wsdlFile;
+
+    /**
+     * DOMDocument WSDL file.
+     *
+     * @var \DOMDocument
+     */
+    private $domDocument;
+
+    /**
+     * DOMXPath WSDL file.
+     *
+     * @var DOMXPath
+     */
+    private $domXpath;
+
+    /**
+     * Array of mime type information.
+     *
+     * @var array(string=>array(string=>array(string=>array(string))))
+     */
+    private $mimeTypes = array();
+
+    /**
+     * WSDL namespace of current WSDL file.
+     *
+     * @var string
+     */
+    private $wsdlSoapNamespace;
+
+    /**
+     * Constructor.
+     *
+     * @param string $wsdlFile    WSDL file name
+     * @param string $soapVersion SOAP version constant
+     */
+    public function __construct($wsdlFile, $soapVersion)
+    {
+        $this->wsdlFile = $wsdlFile;
+        if ($soapVersion == SOAP_1_1) {
+            $this->wsdlSoapNamespace = self::NS_WSDL_SOAP_1_1;
+        } else {
+            $this->wsdlSoapNamespace = self::NS_WSDL_SOAP_1_2;
+        }
+        $this->domDocument = new \DOMDocument('1.0', 'utf-8');
+        $this->domDocument->load($this->wsdlFile);
+        $this->domXpath = new \DOMXPath($this->domDocument);
+        $this->domXpath->registerNamespace('wsdl', self::NS_WSDL);
+        $this->domXpath->registerNamespace('mime', self::NS_WSDL_MIME);
+        $this->domXpath->registerNamespace('soap', $this->wsdlSoapNamespace);
+    }
+
+    /**
+     * Gets the mime type information from the WSDL file.
+     *
+     * @param string $soapAction Soap action to analyse
+     * @return array(string=>array(string=>array(string)))
+     */
+    private function getMimeTypesForSoapAction($soapAction)
+    {
+        $query = '/wsdl:definitions/wsdl:binding/wsdl:operation/soap:operation[@soapAction="'.$soapAction.'"]/..';
+        $nodes = $this->domXpath->query($query);
+        $mimeTypes = array();
+        if (($wsdlOperation = $nodes->item(0)) !== null) {
+            //$wsdlOperationName = $wsdlOperation->getAttribute('name');
+            foreach ($wsdlOperation->childNodes as $soapOperationChild) {
+                // wsdl:input or wsdl:output
+                if ($soapOperationChild->localName == 'input' || $soapOperationChild->localName == 'output') {
+                    $operationType = $soapOperationChild->localName;
+                    // mime:multipartRelated/mime:part
+                    $mimeParts = $soapOperationChild->getElementsByTagNameNS(self::NS_WSDL_MIME, 'part');
+                    if ($mimeParts->length > 0) {
+                        foreach ($mimeParts as $mimePart) {
+                            foreach ($mimePart->childNodes as $child) {
+                                switch ($child->localName) {
+                                    case 'body':
+                                        $parts = $child->getAttribute('parts');
+                                        $parts = ($parts == '') ? '[body]' : $parts;
+                                        $mimeTypes[$operationType][$parts] = array('text/xml');
+                                        break;
+                                    case 'content':
+                                        $part = $child->getAttribute('part');
+                                        $part = ($part == '') ? null : $part;
+                                        $type = $child->getAttribute('type');
+                                        $type = ($type == '') ? '*/*' : $type;
+                                        if (!isset($mimeTypes[$operationType][$part])) {
+                                            $mimeTypes[$operationType][$part] = array();
+                                        }
+                                        $mimeTypes[$operationType][$part][] = $type;
+                                        break;
+                                    case 'mimeXml':
+                                        // this does not conform to the spec
+                                        $part = $child->getAttribute('part');
+                                        $part = ($part == '') ? null : $part;
+                                        $mimeTypes[$operationType][$part] = array('text/xml');
+                                        break;
+                                }
+                            }
+                        }
+                    } else {
+                        $child = $soapOperationChild->getElementsByTagNameNS($this->wsdlSoapNamespace, 'body')->item(0);
+                        if (!is_null($child)) {
+                            $parts = $child->getAttribute('parts');
+                            $parts = ($parts == '') ? '[body]' : $parts;
+                            $mimeTypes[$operationType][$parts] = array('text/xml');
+                        }
+                    }
+                }
+            }
+        }
+        return $mimeTypes;
+    }
+
+    /**
+     * Checks the mime type of the part for the given operation.
+     *
+     * @param string $soapAction      Soap action
+     * @param string $operationType   Operation type
+     * @param string $part            Part name
+     * @param string $currentMimeType Current mime type
+     * @return boolean
+     */
+    public function isValidMimeTypeType($soapAction, $operationType, $part, $currentMimeType)
+    {
+        // load data from WSDL
+        if (!isset($this->mimeTypes[$soapAction])) {
+            $this->mimeTypes[$soapAction] = $this->getMimeTypesForSoapAction($soapAction);
+        }
+        // part is valid as we do not have an explicit entry for current part
+        if (!isset($this->mimeTypes[$soapAction][$operationType][$part])) {
+            return true;
+        }
+        $mimeTypes = $this->mimeTypes[$soapAction][$operationType][$part];
+        // wildcard or exact match
+        if (in_array('*/*', $mimeTypes) || in_array($currentMimeType, $mimeTypes)) {
+            return true;
+        // type/* match
+        } else {
+            list($ctype, $csubtype) = explode('/', $currentMimeType);
+            foreach ($mimeTypes as $mimeType) {
+                list($type, $subtype) = explode('/', $mimeType);
+                if ($subtype == '*' && $type == $ctype) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+}
\ No newline at end of file
diff --git a/tests/BeSimple/Tests/SoapCommon/Fixtures/WsdlMimeContent.wsdl b/tests/BeSimple/Tests/SoapCommon/Fixtures/WsdlMimeContent.wsdl
new file mode 100644
index 0000000..30984b3
--- /dev/null
+++ b/tests/BeSimple/Tests/SoapCommon/Fixtures/WsdlMimeContent.wsdl
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<wsdl:definitions xmlns:types="http://example.com/mimetypes"
+                  xmlns:ref="http://ws-i.org/profiles/basic/1.1/xsd"
+                  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+                  xmlns:soapbind="http://schemas.xmlsoap.org/wsdl/soap/"
+                  xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
+                  xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/"
+                  targetNamespace="http://example.com/mimewsdl"
+                  xmlns:tns="http://example.com/mimewsdl">
+
+    <wsdl:types>
+        <xsd:schema targetNamespace="http://example.com/mimetypes"
+                xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+
+            <xsd:element name="ClaimDetail" type="types:ClaimDetailType"/>
+            <xsd:complexType name="ClaimDetailType">
+                <xsd:sequence>
+                    <xsd:element name="Name" type="xsd:string"/>
+                    <!-- lots of other claim detail stuff -->
+                </xsd:sequence>
+            </xsd:complexType>
+
+            <xsd:element name="ClaimRefNo" type="xsd:string"/>
+
+        </xsd:schema>
+    </wsdl:types>
+
+    <wsdl:message name="ClaimIn">
+        <wsdl:part name="body" element="types:ClaimDetail"/>
+        <wsdl:part name="ClaimPhoto" type="xsd:base64Binary"/>
+    </wsdl:message>
+
+    <wsdl:message name="ClaimOut">
+        <wsdl:part name="out" element="types:ClaimRefNo"/>
+    </wsdl:message>
+
+    <wsdl:portType name="ClaimPortType">
+        <wsdl:operation name="SendClaim">
+            <wsdl:input message="tns:ClaimIn"/>
+            <wsdl:output message="tns:ClaimOut"/>
+        </wsdl:operation>
+    </wsdl:portType>
+
+    <wsdl:binding name="ClaimBinding" type="tns:ClaimPortType">
+        <soapbind:binding style="document"
+                          transport="http://schemas.xmlsoap.org/soap/http"/>
+        <wsdl:operation name="SendClaim">
+            <soapbind:operation soapAction="http://example.com/soapaction"/>
+            <wsdl:input>
+                <mime:multipartRelated>
+                    <mime:part>
+                        <soapbind:body parts="body" use="literal"/>
+                    </mime:part>
+                    <mime:part>
+                        <mime:content part="ClaimPhoto" type="image/jpeg"/>
+                    </mime:part>
+                </mime:multipartRelated>
+            </wsdl:input>
+            <wsdl:output>
+                <soapbind:body use="literal" />
+            </wsdl:output>
+        </wsdl:operation>
+    </wsdl:binding>
+</wsdl:definitions>
\ No newline at end of file
diff --git a/tests/BeSimple/Tests/SoapCommon/Fixtures/WsdlMimeContent2.wsdl b/tests/BeSimple/Tests/SoapCommon/Fixtures/WsdlMimeContent2.wsdl
new file mode 100644
index 0000000..a6168da
--- /dev/null
+++ b/tests/BeSimple/Tests/SoapCommon/Fixtures/WsdlMimeContent2.wsdl
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<wsdl:definitions xmlns:types="http://example.com/mimetypes"
+                  xmlns:ref="http://ws-i.org/profiles/basic/1.1/xsd"
+                  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+                  xmlns:soapbind="http://schemas.xmlsoap.org/wsdl/soap/"
+                  xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
+                  xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/"
+                  targetNamespace="http://example.com/mimewsdl"
+                  xmlns:tns="http://example.com/mimewsdl">
+
+    <wsdl:types>
+        <xsd:schema targetNamespace="http://example.com/mimetypes"
+                xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+
+            <xsd:element name="ClaimDetail" type="types:ClaimDetailType"/>
+            <xsd:complexType name="ClaimDetailType">
+                <xsd:sequence>
+                    <xsd:element name="Name" type="xsd:string"/>
+                    <!-- lots of other claim detail stuff -->
+                </xsd:sequence>
+            </xsd:complexType>
+
+            <xsd:element name="ClaimRefNo" type="xsd:string"/>
+
+        </xsd:schema>
+    </wsdl:types>
+
+    <wsdl:message name="ClaimIn">
+        <wsdl:part name="body" element="types:ClaimDetail"/>
+        <wsdl:part name="ClaimPhoto" type="xsd:base64Binary"/>
+    </wsdl:message>
+
+    <wsdl:message name="ClaimOut">
+        <wsdl:part name="out" element="types:ClaimRefNo"/>
+    </wsdl:message>
+
+    <wsdl:portType name="ClaimPortType">
+        <wsdl:operation name="SendClaim">
+            <wsdl:input message="tns:ClaimIn"/>
+            <wsdl:output message="tns:ClaimOut"/>
+        </wsdl:operation>
+    </wsdl:portType>
+
+    <wsdl:binding name="ClaimBinding" type="tns:ClaimPortType">
+        <soapbind:binding style="document"
+                          transport="http://schemas.xmlsoap.org/soap/http"/>
+        <wsdl:operation name="SendClaim">
+            <soapbind:operation soapAction="http://example.com/soapaction"/>
+            <wsdl:input>
+                <mime:multipartRelated>
+                    <mime:part>
+                        <soapbind:body parts="body" use="literal"/>
+                    </mime:part>
+                    <mime:part>
+                        <mime:content part="ClaimPhoto" type="image/*"/>
+                    </mime:part>
+                </mime:multipartRelated>
+            </wsdl:input>
+            <wsdl:output>
+                <soapbind:body use="literal" />
+            </wsdl:output>
+        </wsdl:operation>
+    </wsdl:binding>
+</wsdl:definitions>
\ No newline at end of file
diff --git a/tests/BeSimple/Tests/SoapCommon/Fixtures/WsdlMimeContent3.wsdl b/tests/BeSimple/Tests/SoapCommon/Fixtures/WsdlMimeContent3.wsdl
new file mode 100644
index 0000000..c7e1d82
--- /dev/null
+++ b/tests/BeSimple/Tests/SoapCommon/Fixtures/WsdlMimeContent3.wsdl
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<wsdl:definitions xmlns:types="http://example.com/mimetypes"
+                  xmlns:ref="http://ws-i.org/profiles/basic/1.1/xsd"
+                  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+                  xmlns:soapbind="http://schemas.xmlsoap.org/wsdl/soap/"
+                  xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
+                  xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/"
+                  targetNamespace="http://example.com/mimewsdl"
+                  xmlns:tns="http://example.com/mimewsdl">
+
+    <wsdl:types>
+        <xsd:schema targetNamespace="http://example.com/mimetypes"
+                xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+
+            <xsd:element name="ClaimDetail" type="types:ClaimDetailType"/>
+            <xsd:complexType name="ClaimDetailType">
+                <xsd:sequence>
+                    <xsd:element name="Name" type="xsd:string"/>
+                    <!-- lots of other claim detail stuff -->
+                </xsd:sequence>
+            </xsd:complexType>
+
+            <xsd:element name="ClaimRefNo" type="xsd:string"/>
+
+        </xsd:schema>
+    </wsdl:types>
+
+    <wsdl:message name="ClaimIn">
+        <wsdl:part name="body" element="types:ClaimDetail"/>
+        <wsdl:part name="ClaimPhoto" type="xsd:base64Binary"/>
+    </wsdl:message>
+
+    <wsdl:message name="ClaimOut">
+        <wsdl:part name="out" element="types:ClaimRefNo"/>
+    </wsdl:message>
+
+    <wsdl:portType name="ClaimPortType">
+        <wsdl:operation name="SendClaim">
+            <wsdl:input message="tns:ClaimIn"/>
+            <wsdl:output message="tns:ClaimOut"/>
+        </wsdl:operation>
+    </wsdl:portType>
+
+    <wsdl:binding name="ClaimBinding" type="tns:ClaimPortType">
+        <soapbind:binding style="document"
+                          transport="http://schemas.xmlsoap.org/soap/http"/>
+        <wsdl:operation name="SendClaim">
+            <soapbind:operation soapAction="http://example.com/soapaction"/>
+            <wsdl:input>
+                <mime:multipartRelated>
+                    <mime:part>
+                        <soapbind:body parts="body" use="literal"/>
+                    </mime:part>
+                    <mime:part>
+                        <mime:content part="ClaimPhoto" type="*/*"/>
+                    </mime:part>
+                </mime:multipartRelated>
+            </wsdl:input>
+            <wsdl:output>
+                <soapbind:body use="literal" />
+            </wsdl:output>
+        </wsdl:operation>
+    </wsdl:binding>
+</wsdl:definitions>
\ No newline at end of file
diff --git a/tests/BeSimple/Tests/SoapCommon/WsdlHandlerTest.php b/tests/BeSimple/Tests/SoapCommon/WsdlHandlerTest.php
new file mode 100644
index 0000000..7c10c92
--- /dev/null
+++ b/tests/BeSimple/Tests/SoapCommon/WsdlHandlerTest.php
@@ -0,0 +1,48 @@
+<?php
+
+/*
+ * This file is part of the BeSimpleSoapBundle.
+ *
+ * (c) Christian Kerl <christian-kerl@web.de>
+ * (c) Francis Besset <francis.besset@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace BeSimple\Tests\SoapCommon\Soap;
+
+use BeSimple\SoapCommon\WsdlHandler;
+
+class WsdlHandlerTest extends \PHPUnit_Framework_TestCase
+{
+    public function testIsValidMimeTypeType()
+    {
+        $filename = __DIR__.DIRECTORY_SEPARATOR.'Fixtures/WsdlMimeContent.wsdl';
+        $wh = new WsdlHandler($filename, SOAP_1_1);
+
+        $this->assertTrue($wh->isValidMimeTypeType('http://example.com/soapaction', WsdlHandler::BINDING_OPERATION_INPUT, 'body', 'text/xml'));
+        $this->assertFalse($wh->isValidMimeTypeType('http://example.com/soapaction', WsdlHandler::BINDING_OPERATION_INPUT, 'body', 'image/gif'));
+        $this->assertTrue($wh->isValidMimeTypeType('http://example.com/soapaction', WsdlHandler::BINDING_OPERATION_INPUT, 'ClaimPhoto', 'image/jpeg'));
+        $this->assertFalse($wh->isValidMimeTypeType('http://example.com/soapaction', WsdlHandler::BINDING_OPERATION_INPUT, 'ClaimPhoto', 'image/gif'));
+        $this->assertFalse($wh->isValidMimeTypeType('http://example.com/soapaction', WsdlHandler::BINDING_OPERATION_INPUT, 'ClaimPhoto', 'text/xml'));
+
+        $filename = __DIR__.DIRECTORY_SEPARATOR.'Fixtures/WsdlMimeContent2.wsdl';
+        $wh = new WsdlHandler($filename, SOAP_1_1);
+
+        $this->assertTrue($wh->isValidMimeTypeType('http://example.com/soapaction', WsdlHandler::BINDING_OPERATION_INPUT, 'body', 'text/xml'));
+        $this->assertFalse($wh->isValidMimeTypeType('http://example.com/soapaction', WsdlHandler::BINDING_OPERATION_INPUT, 'body', 'image/gif'));
+        $this->assertTrue($wh->isValidMimeTypeType('http://example.com/soapaction', WsdlHandler::BINDING_OPERATION_INPUT, 'ClaimPhoto', 'image/jpeg'));
+        $this->assertTrue($wh->isValidMimeTypeType('http://example.com/soapaction', WsdlHandler::BINDING_OPERATION_INPUT, 'ClaimPhoto', 'image/gif'));
+        $this->assertFalse($wh->isValidMimeTypeType('http://example.com/soapaction', WsdlHandler::BINDING_OPERATION_INPUT, 'ClaimPhoto', 'text/xml'));
+
+        $filename = __DIR__.DIRECTORY_SEPARATOR.'Fixtures/WsdlMimeContent3.wsdl';
+        $wh = new WsdlHandler($filename, SOAP_1_1);
+
+        $this->assertTrue($wh->isValidMimeTypeType('http://example.com/soapaction', WsdlHandler::BINDING_OPERATION_INPUT, 'body', 'text/xml'));
+        $this->assertFalse($wh->isValidMimeTypeType('http://example.com/soapaction', WsdlHandler::BINDING_OPERATION_INPUT, 'body', 'image/gif'));
+        $this->assertTrue($wh->isValidMimeTypeType('http://example.com/soapaction', WsdlHandler::BINDING_OPERATION_INPUT, 'ClaimPhoto', 'image/jpeg'));
+        $this->assertTrue($wh->isValidMimeTypeType('http://example.com/soapaction', WsdlHandler::BINDING_OPERATION_INPUT, 'ClaimPhoto', 'image/gif'));
+        $this->assertTrue($wh->isValidMimeTypeType('http://example.com/soapaction', WsdlHandler::BINDING_OPERATION_INPUT, 'ClaimPhoto', 'text/xml'));
+    }
+}
\ No newline at end of file