Author: keith Date: Sat Jul 19 11:50:52 2008 New Revision: 19644 URL: http://wso2.org/svn/browse/wso2?view=rev&revision=19644
Log: Updating the docs for WSRequest Host object Modified: trunk/mashup/java/xdocs/wsrequesthostobject.html Modified: trunk/mashup/java/xdocs/wsrequesthostobject.html URL: http://wso2.org/svn/browse/wso2/trunk/mashup/java/xdocs/wsrequesthostobject.html?rev=19644&r1=19643&r2=19644&view=diff ============================================================================== --- trunk/mashup/java/xdocs/wsrequesthostobject.html (original) +++ trunk/mashup/java/xdocs/wsrequesthostobject.html Sat Jul 19 11:50:52 2008 @@ -1,383 +1,254 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<html><head> <!-- - ~ Copyright 2005-2008 WSO2, Inc. (http://wso2.com) - ~ - ~ Licensed under the Apache License, Version 2.0 (the "License"); - ~ you may not use this file except in compliance with the License. - ~ You may obtain a copy of the License at - ~ - ~ http://www.apache.org/licenses/LICENSE-2.0 - ~ - ~ Unless required by applicable law or agreed to in writing, software - ~ distributed under the License is distributed on an "AS IS" BASIS, - ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - ~ See the License for the specific language governing permissions and - ~ limitations under the License. - --> -<html> -<head> +~ Copyright 2005-2008 WSO2, Inc. (http://wso2.com) +~ +~ Licensed under the Apache License, Version 2.0 (the "License"); +~ you may not use this file except in compliance with the License. +~ You may obtain a copy of the License at +~ +~ http://www.apache.org/licenses/LICENSE-2.0 +~ +~ Unless required by applicable law or agreed to in writing, software +~ distributed under the License is distributed on an "AS IS" BASIS, +~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +~ See the License for the specific language governing permissions and +~ limitations under the License. +--> +<meta http-equiv="content-type" content=""><title>WSRequest Host Object</title> - - <meta http-equiv="content-type" content=""> - - - - - <title>WSRequest Host Object</title> - <link href="css/mashup-docs.css" rel="stylesheet" type="text/css" media="all"> +<link href="css/mashup-docs.css" rel="stylesheet" type="text/css" media="all"> </head> - <body> <div id="main-content"> <h1>WSRequest Host Object</h1> - - <h3>1.0 Introduction</h3> - - <p>The WSO2 Mashup Server automatically generates stubs to - simplify the consumption of the Web Services it hosts. But if you're - consuming a service from somewhere else, we don't yet provide the same level - of ease. Instead of a stub which hides some of the details of exercising an - operation, you must use the WSRequest object directly to formulate the - messages.</p> - - -<p>The WSRequest object is similar to the XMLHTTPRequest - object. It's usage typically involves specifying the endpoint address and - setting up options on how to frame the message, invoking the operation with a - specific XML payload, and then checking and extracting information from the - result.</p> - - +simplify the consumption of the Web Services it hosts. But if you're +consuming a service from somewhere else, we don't yet provide the same +level of ease. Instead of a stub which hides some of the details of +exercising an operation, you must use the WSRequest object directly to +formulate the messages.</p> +<p>The WSRequest object is similar to the XMLHTTPRequest object. +It's usage typically involves specifying the endpoint address and +setting up options on how to frame the message, invoking the operation +with a specific XML payload, and then checking and extracting +information from the result.</p> <h3>1.1 Example</h3> - - <div class="code"> - -<pre>var version = new WSRequest();<br>var options = new Array();<br>options.useSOAP = 1.2;<br>options.useWSA = 1.0;<br>options.action = "urn:getVersion";<br>request = "<getVersion/>";<br><br>try {<br> version.open(options,"http://127.0.0.1:11001/services/version";, false);<br> version.send(request);<br> result = version.responseE4X;<br>} catch (e) {<br> print(e);<br>}</pre> - +<pre>function invokeGetVersion(){<br> var version = new WSRequest();<br> var options = new Array();<br> options.useSOAP = 1.2;<br> options.useWSA = 1.0;<br> options.action = "http://services.mashup.wso2.org/version/ServiceInterface/getVersionRequest";;<br> var payload = null;<br> try {<br> version.open(options,"http://localhost:7762/services/system/version";, false);<br> version.send(payload);<br> result = version.responseE4X;<br> } catch (e) {<br> system.log(e.toString(),"error");<br> return e.toString(); <br> }<br> return result;<br>}</pre> </div> - - <h3>2.0 WSRequest Object</h3> - - - <h3>2.1 WSRequest Interface</h3> - - -<p>interface WSRequest - <br clear="all"> - - { - <br clear="all"> - - property EventListener onreadystatechange; - <br clear="all"> - - property unsigned short readyState; - <br clear="all"> - - void open ( in object options | in String method, in - String url [, in boolean async [, in String user [, in String - password]]]); - <br clear="all"> - - void send ( [in Document payload | in XMLString payload | in XMLString - payload ]); - <br clear="all"> - - readonly property String responseText; - <br clear="all"> - - readonly property Document responseXML;<br> - - readonly property XML responseE4X;<br> - - readonly property WebServiceError error;<br> - - }</p> - - +<p>interface WSRequest <br clear="all"> +{ <br clear="all"> + property EventListener +onreadystatechange; <br clear="all"> + property unsigned short readyState; <br clear="all"> + function void open ( object +options | String httpMethod, String url +[, boolean async [, String username +[, String password]]]); <br clear="all"> + function void send ( XML +payload | XMLString payload ); // To be used when +the open method of WSRequest is used <br> + function void openWSDL ( String wsdlURL, boolean async, [Object +options,[QName serviceName, [String endpointName]]]);<br> function void send ( String +operationName | QName operationName, XML payload | XMLString +payload ); // To be used when the openWSDL method of +WSRequest is used<br clear="all"> + readonly property String responseText; <br clear="all"> + readonly property Document responseXML;<br> + readonly property XML responseE4X;<br> + readonly property WebServiceError error;<br> +}</p> <h3>2.2 API Documentation</h3> - - <table style="margin-left: 0.5in; border-collapse: collapse;" class="MsoTableGrid" border="1" cellpadding="5" cellspacing="0"> - - <tbody> - - <tr> - - <td> Member</td> - - <td> Description</td> - - - </tr> - - <tr> - - <td> open(options, endpointAddress, async)</td> - - <td> This method prepares the WSRequest object to invoke a Web service. It accepts - the following parameters: <br clear="all"> - - - <ul> - - <li><em>options (array)</em>: an array of options for - formulating the message. These options correspond to the message - framing required by the service as documented in the service's WSDL - and/or documentation. A list of the supported options is at - WSRequest Options. <br clear="all"> - </li> - - <li><em>endpointAddress</em> (string): a URL representing where to send the - message. <br clear="all"> - </li> - - <li><em>async</em> (boolean): a boolean flag representing whether the operation - should be invoked asynchrounously or not. <br clear="all"> - - The open() function throws an exception if the WSRequest object cannot - accommodate the request (e.g., the options are malformed.) - </li> - - - </ul> - - </td> - - - </tr> - - <tr> - - <td> send(payload)</td> - - <td> This method invokes the Web service with the requested payload. <br clear="all"> - - - <ul> - - <li><em>payload</em>: an XML object or a string containing the XML source for - the request. - </li> - - - </ul> - - </td> - - - </tr> - - <tr> - - <td> onreadystatechange</td> - - <td> This property can be set to a function - object, which is invoked when the state of an asynchronous request - changes (e.g. the request completes). - </td> - - - </tr> - - <tr> - - <td> readyState</td> - - <td> The current state of the object, which can be one of the following values: <br clear="all"> - - - <ul> - - <li>0: The object has not been initialized by calling the open() method. <br clear="all"> - </li> - - <li>1: The object has been initialized successfully, but the send() method has - not been called. <br clear="all"> - </li> - - <li>2: The request is pending <br clear="all"> - </li> - - <li>3: The request is partially complete (some data has been received, and may - be available in the responseText property. <br clear="all"> - </li> - - <li>4: The request is complete, all data has been received. <br clear="all"> - - Of these, typically only the last (readyState == 4) is used. - </li> - - - </ul> - - </td> - - - </tr> - - <tr> - - <td> responseXML</td> - - <td> The parsed XML message representing the - response from the service. (Currently this is same as responseE4X, but - this will be fixed to return a DOM document in the future versions) - </td> - - - </tr> - - <tr> - - <td> responseE4X</td> - - <td> The parsed E4X XML message representing the response from the service.</td> - - - </tr> - - <tr> - - <td> responseText</td> - - <td> The raw text representing the XML (or - non-XML) response. If the responseXML property is empty, you can - check the responseText property to see if a non-XML response was - received. - </td> - - - </tr> - - <tr> - - <td> error</td> - - <td> When an asynchronous operation failed to - complete successfully (including internal errors, or protocol errors - such as SOAP faults) the error property is a WebServiceError object - </td> - - - </tr> - - - </tbody> -</table> - - -<h3>3.0 Options</h3> - - -<table class="MsoTableGrid" style="margin-left: 0.5in; border-collapse: collapse;" border="1" cellpadding="5" cellspacing="0"> - - <tbody> - - <tr> - - <td> Option</td> - - <td> Range of values</td> - - <td> Description</td> - - - </tr> - - <tr> - - <td> useSOAP</td> - - <td><b>"1.2"</b>, 1.2, "1.1", 1.1, true, false</td> - - <td> Indicates which version of SOAP to use. If - the value is "1.2", 1.2, or True, the message will be framed as a SOAP - 1.2 message. If "1.1" or 1.1, SOAP 1.1 will be used. If False, the - payload will be sent directly as the HTTP body. These options - correspond to the WSDL 2.0 SOAP 1.2 binding, and the WSDL 2.0 HTTP binding. - </td> - - - </tr> - - <tr> - - <td> useWSA</td> - - <td> TRUE | FALSE | 1.0 | <b>"1.0"</b> | "submission"</td> - - <td> Indicates whether to use WS-Addressing. If - TRUE, 1.0 or "1.0", WS-Addressing 1.0 is used. When "submission" is - specified, the submitted version is used. Except when FALSE, the - "action" must option must also be set. - </td> - - - </tr> - - <tr> - - <td> action</td> - - <td> xs:anyURI</td> - - <td> The WS-A action to use when constructing the - WS-A headers. Also used as the SOAP Action when specified, regardless - of whether WS-A is engaged or not. - </td> - - - </tr> - - <tr> - - <td> HTTPMethod</td> - - <td> xs:string | "POST"</td> - - <td> The HTTP method to use to formulate the request.</td> - - - </tr> - - - </tbody> +<tbody> +<tr> +<td> Member</td> +<td> Description</td> +</tr> +<tr> +<td><span style="font-weight: bold;">function +void open ( object options | String +httpMethod, String url [, boolean async +[, String username [, String password]]])</span> +</td> +<td> This method prepares the WSRequest object to invoke a +Web service. It accepts the following parameters: <br clear="all"> +<ul> +<li><em>options (array)</em>: an array of +options for formulating the message. These options correspond +to the message framing required by the service as documented in the +service's WSDL and/or documentation. </li></ul><div style="margin-left: 40px;">The following is a list of supported options</div><ul><ul><li>useSOAP - Specify the SOAP version to be used or weather not to use SOAP. Supported values are "1.1" | "1.2" | "false"</li><li>HTTPMethod - The HTTP method to be used. Supported values are "GET" | "POST" | "PUT" | "DELETE"</li><li>useWSA - Weather WS-Addressing needs to be used. Supported +values are "1.0" | "submission" | "true". If the version of +WS-Addressing is specified and useWSA is set to true the "1.0" version +is used.</li></ul></ul><div style="margin-left: 80px;">When WS-Addressing is been used the following options will also be processed</div><ul><ul><ul><li>action - Will be used as the wsa:to value. Can be used to specify to address that the message will be sent to.</li><li>from - Will be used as the wsa:from value. Can be used to specify the address the request was sent from.</li><li>replyTo - +Will be used as the wsa:replyTo value. Can be used to specify the +address the response should be sent to.</li><li>faultTo - Will be used as the wsa:faultTo value. Can be used to specify the address a fault should be sent to.</li></ul><li>action - If useWSA is false will be used as the SOAPAction.</li><li>useWSS +- Used to specify weather WS-Security needs to be used. Currently if +useWSS is set to true it assumes that the service is secured using +Username Token over HTTPS.</li><li>username - If the useWSS option is set to true the username will be used +to invoke the destination service using Username Token (using +WS-Security) otherwise it will be used to invoke the service with HTTP +Basic Authentication enabled. </li><li>passowrd - If the useWSS option is set +to true the password will be used to invoke the destination service +using Username Token (using WS-Security) otherwise it will be used to +invoke the service with HTTP Basic Authentication +enabled. </li><li>HTTPLocation - Used to specify the URL pattern of the operation been invoked. Refer http://wso2.org/library/3715 for details.</li><li>HTTPLocationIgnoreUncited - Specifies weather parameters not cited in the HTTPLocation should be ignored.</li><li>HTTPQueryParameterSeparator - Specifies the query parameter seperator to be used. Defaults to &.</li><li>HTTPInputSerialization +- Specifies the message format of the request. The Mashup Server can be +extended to support custom serialization. The following are supported +by this distribution. application/x-www-form-urlencoded, +multipart/form-data, application/json, application/json/badgerfish, +application/soap+xml, text/xml, application/xml</li><li>HTTPContentEncoding - Used to speficy the content-encoding of the request. Supported values are "gzip" | "compress"</li></ul> +<li><em>httpMethod </em>(string): the +httpMethod to be used when the operation is invoked. </li> +<li><em>url </em>(string): a URL +representing where to send the message. <br clear="all"> +</li> +<li><em>async</em> (boolean): a boolean flag +representing whether the operation should be invoked asynchrounously or +not. Defaults to true.</li> +<li><em>username </em>(string): The +username. If the useWSS option is set to true the username will be used +to invoke the destination service using Username Token (using +WS-Security) otherwise it will be used to invoke the service with HTTP +Basic Authentication enabled. </li> +<li><em>password </em>(string): The +password. If the useWSS option is set +to true the password will be used to invoke the destination service +using Username Token (using WS-Security) otherwise it will be used to +invoke the service with HTTP Basic Authentication +enabled. <br clear="all"> +<br> +The open() function throws an exception if the WSRequest object cannot +accommodate the request (e.g., the options are malformed.)</li></ul>To be specific here are the various ways which the open fucntion can be +used in<br><ul><li> +open(httpMethod, url, async);</li><li>open(options, url, async);</li><li>open(httpMethod, url, username);</li><li>open(options, url, username);</li><li>open(httpMethod, url, username, password);</li><li>open(options, url, username, password);</li><li>open(httpMethod, url, async, username);</li><li>open(options, url, async, username); +</li></ul></td> +</tr> +<tr> +<td style="font-weight: bold;">function void send ( XML +payload | XMLString payload )</td> +<td> This method invokes the Web service with the requested +payload. To be used when the WSRequest object was configured using the open method.<br clear="all"> +<ul> +<li><em>payload</em>: an XML object or a +string containing the XML source for the request. </li> +</ul> +</td> +</tr> +<tr><td style="font-weight: bold;">function void openWSDL ( String wsdlURL, boolean async, [Object options,[QName serviceName, [String endpointName]]])</td><td>This +method can be used to invoke a external web service which advertices a +WSDL. Using this method had many advantages over using the open method. +<br><ol><li>The user does not need to know how to frame the request. +i.e. Whcih SOAP version to use? What should be the request be sent to? +How do I configure WS-Security? and so on</li><li>Can be used to invoke services that are secured using WS-Security</li></ol>This method acceps the following parameters<br><ul><li><span style="font-style: italic;">wsdlURL</span> (string) - The url at which the WSDL is available at. Currently supports WSDL 1.1</li><li><em>async</em> (boolean): A boolean flag +representing whether the operation should be invoked asynchrounously or +not.</li><li><em>options (array)</em>: An array of +options needed to parse in information to invoke secured services.</li></ul><div style="margin-left: 40px;">The following is a list of supported options<br></div><ul><ul><li>username +- Used to specify the username if the service needs a +username token to carry out any WS-Security related +operations. </li><li>passowrd - Used to specify the passowrd if the service needs a password token to carry out any WS-Security related operations. </li><li>encryptionUser +- Used to specify the alias of the certificate to use in Encryption if +the service needs the request to be encrypted.</li></ul><li><span style="font-style: italic;">serviceName (QName)</span> +- The QName of the service to be invoked. Could be usefull if the WSDL +has multiple services. If not specified the ffirst service in the WSDL +is used.</li><li><span style="font-style: italic;">endpointName (String)</span> +- The name of the endpoint to use wehn invoking the service. Could be +usefull if the service has multiple endpoints and you prefer to use a +particular one. If not specified the first SOAP endpoint is used.</li></ul></td></tr><tr><td style="font-weight: bold;">function void send ( String +operationName | QName operationName, XML payload | XMLString +payload )</td><td> This method invokes the specified operation of the Web service with the requested +payload. To be used when the WSRequest object was configured using the openWSDL method.<br clear="all"> +<ul><li><span style="font-style: italic;">operationName (String</span>) - The name of the operation to be invoked<em></em></li><li><em>payload</em> : an XML object or a +string containing the XML source for the request. </li></ul></td></tr><tr> +<td style="font-weight: bold;">property EventListener + onreadystatechange</td> +<td> This property can be set to a function object, which +is invoked when the state of an asynchronous request changes (e.g. the +request completes). </td> +</tr> +<tr> +<td style="font-weight: bold;">property unsigned short readyState</td> +<td> The current state of the object, which can be one of +the following values: <br clear="all"> +<ul> +<li>0: The object has not been initialized by calling the +open() method. <br clear="all"> +</li> +<li>1: The object has been initialized successfully, but +the send() method has not been called. <br clear="all"> +</li> +<li>2: The request is pending <br clear="all"> +</li> +<li>3: The request is partially complete (some data has +been received, and may be available in the responseText property. <br clear="all"> +</li> +<li>4: The request is complete, all data has been +received. <br clear="all"> +Of these, typically only the last (readyState == 4) is used. </li> +</ul> +</td> +</tr> +<tr> +<td style="font-weight: bold;">readonly property Document responseXML</td> +<td> The parsed XML message representing the response from +the service. (Currently this is same as responseE4X, but this will be +fixed to return a DOM document in the future versions) </td> +</tr> +<tr> +<td style="font-weight: bold;"> readonly property XML responseE4X</td> +<td> The parsed E4X XML message representing the response +from the service.</td> +</tr> +<tr> +<td style="font-weight: bold;">readonly property String responseText</td> +<td> The raw text representing the XML (or non-XML) +response. If the responseXML property is empty, you can check +the responseText property to see if a non-XML response was received. </td> +</tr> +<tr> +<td style="font-weight: bold;">readonly property WebServiceError error</td> +<td> When an asynchronous operation failed to complete +successfully (including internal errors, or protocol errors such as +SOAP faults) the error property is a WebServiceError object </td> +</tr> +</tbody> </table> - -<p>See <a href="http://www.wso2.org/wiki/display/mashup/Ideas+for+evolving+WSRequest"; title="Ideas for evolving WSRequest">Ideas for evolving WSRequest</a> for additional - options under development.</p> - - +<h3>3.0 Example Usage<br></h3><h3>2.1 Calling Services in a asynchronous manner</h3>Its +important to note that when a service is called in the manner below +(assynchronously) the thread will return to the caller immidiatly (Even +before the result of the web service invocation is received). +<div class="code"> +<pre>// Demonstrates calling the getVersion operation of the version service in a asynchronous manner using the open method<br>function invokeGetVersionAsync(){<br> var version = new WSRequest();<br> version.onreadystatechange = function() {<br> handleResponse(version);<br> };<br> var options = new Array();<br> options.useSOAP = 1.2;<br> options.useWSA = 1.0;<br> options.action = "http://services.mashup.wso2.org/version/ServiceInterface/getVersionRequest";;<br> var payload = null;<br> try {<br> version.open(options,"http://localhost:7762/services/system/version";, true);<br> version.send();<br> } catch (e) {<br> system.log(e.toString(),"error");<br> return e.toString(); <br> }<br> return "Invoked getVersion in a asynchronous manner";<br>}<br><br>handleResponse.visible=false;<br>function handleResponse(version){<br> if (version.readyState == 4) {<br> system.log(version.responseText);<br> }<br>}</pre> +</div> +<h3></h3> +<div class="code"> +<pre>// Demonstrates calling the getVersion operation of the version service in a asynchronous manner using the openWSDL method<br>function invokeGetVersionAsync(){<br> var request = new WSRequest();<br> request.onreadystatechange = function() {<br> handleResponse(request);<br> };<br> request.openWSDL("http://localhost:7762/services/system/version?wsdl",true);<br> request.send("getVersion",null);<br> return "Invoked getVersion in a asynchronous manner";<br>}<br><br>handleResponse.visible=false;<br>function handleResponse(version){<br> if (version.readyState == 4) {<br> system.log(version.responseText);<br> }<br>}</pre> +</div> +<h3>2.1 Calling Services which are secured using WS-Security</h3>Calling +secured services using the WSO2 Mashup Server is simple. The client +given below can handle sevaral security scenarios provided that the +proper certificate provisioning has taken place. +<div class="code"> +<pre>// Demonstrates calling the getVersion operation of the version service. This client will work for most WS-Security scenarios (Works for all the scenarios the Mashup Server ships)<br>function invokeGetVersion(){<br> var request = new WSRequest();<br> var options = new Array();<br> options["username"] = "keith"; // Will be used if the service policy needed a Username Token. Assuming that access has been grated to keith<br> options["password"] = "keith"; // Will be used if the service policy needed a Username Token. Assuming that access has been grated to keith<br> options["encryptionUser"] = "versionCert"; // The alias of the certificate that will be used to encrypt the request. <br> // This is the public certificate of the Keystore that the version service is secured with.<br> // If the security policy of the version service needs the request signed the client will do so. <br> // But the keystore of the version service needs to have keith's (The clients) public certificate <br> var service = new QName("http://services.mashup.wso2.org/version","version";);<br> request.openWSDL("http://localhost:7762/services/system/version?wsdl",true, options,service,"SecureSOAP11Endpoint");<br> request.send("getVersion",null);<br> return request.responseXML;<br>}</pre> +</div> +<h3></h3>See <a href="http://www.wso2.org/wiki/display/mashup/Ideas+for+evolving+WSRequest"; title="Ideas for evolving WSRequest">Ideas for evolving +WSRequest</a> for additional options under development. <h3>4.0 References</h3> - - <ul> - - <li><a href="http://www.wso2.org/wiki/display/mashup/WebServiceError"; title="WebServiceError">WebServiceError</a> - </li> - - <li><span class="nobr"><a href="http://www.wso2.org/wiki/pages/createpage.action?spaceKey=mashup&title=wsrequest_specification&linkCreation=true&fromPageId=888"; title="Create Page: wsrequest_specification" class="createlink">wsrequest_specification</a></span></li> - - <li><a href="apidocs/org/wso2/mashup/hostobjects/wsrequest/WSRequestHostImpl.html">JavaDoc for - the WSRequest host Object</a></li> - - <li><a href="apidocs/org/wso2/mashup/hostobjects/wsrequest/WSRequestCallBack.html">JavaDoc for - the WSRequestCallBack host Object</a></li> - - <li><a href="apidocs/org/wso2/mashup/hostobjects/wsrequest/WebServiceErrorHostObject.html">JavaDoc - for the WebServiceErrorHostObject host Object</a></li> - +<li><a href="http://www.wso2.org/wiki/display/mashup/WebServiceError"; title="WebServiceError">WebServiceError</a> </li> +<li><span class="nobr"><a href="http://www.wso2.org/wiki/pages/createpage.action?spaceKey=mashup&title=wsrequest_specification&linkCreation=true&fromPageId=888"; title="Create Page: wsrequest_specification" class="createlink">wsrequest_specification</a></span></li> +<li><a href="apidocs/org/wso2/mashup/hostobjects/wsrequest/WSRequestHostImpl.html">JavaDoc +for the WSRequest host Object</a></li> +<li><a href="apidocs/org/wso2/mashup/hostobjects/wsrequest/WSRequestCallBack.html">JavaDoc +for the WSRequestCallBack host Object</a></li> +<li><a href="apidocs/org/wso2/mashup/hostobjects/wsrequest/WebServiceErrorHostObject.html">JavaDoc +for the WebServiceErrorHostObject host Object</a></li> </ul> - </div> - -<p>� WSO2 Inc.</p> - -</body> -</html> +<p>� 2007-2008 WSO2 Inc.</p> +</body></html> \ No newline at end of file
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