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Posted to commits@ofbiz.apache.org by jl...@apache.org on 2012/05/20 19:41:30 UTC

svn commit: r1340778 - in /ofbiz/branches/release11.04: ./ framework/webapp/dtd/site-conf.xsd

Author: jleroux
Date: Sun May 20 17:41:30 2012
New Revision: 1340778

URL: http://svn.apache.org/viewvc?rev=1340778&view=rev
Log:
"Applied fix from trunk for revision:  1340774" 
------------------------------------------------------------------------
r1340774 | jleroux | 2012-05-20 19:36:26 +0200 (dim., 20 mai 2012) | 3 lines

Closes "Improve site-conf.xsd" https://issues.apache.org/jira/browse/OFBIZ-4874

I always wondered why the controller syntax was poorly documented. I tried to improve that...
------------------------------------------------------------------------


Modified:
    ofbiz/branches/release11.04/   (props changed)
    ofbiz/branches/release11.04/framework/webapp/dtd/site-conf.xsd

Propchange: ofbiz/branches/release11.04/
------------------------------------------------------------------------------
  Merged /ofbiz/trunk:r1340774

Modified: ofbiz/branches/release11.04/framework/webapp/dtd/site-conf.xsd
URL: http://svn.apache.org/viewvc/ofbiz/branches/release11.04/framework/webapp/dtd/site-conf.xsd?rev=1340778&r1=1340777&r2=1340778&view=diff
==============================================================================
--- ofbiz/branches/release11.04/framework/webapp/dtd/site-conf.xsd (original)
+++ ofbiz/branches/release11.04/framework/webapp/dtd/site-conf.xsd Sun May 20 17:41:30 2012
@@ -26,13 +26,13 @@ under the License.
                 <xs:element minOccurs="0" ref="owner"/>
                 <xs:element minOccurs="0" ref="errorpage"/>
                 <xs:element minOccurs="0" maxOccurs="unbounded" ref="handler"/>
-                <xs:element minOccurs="0" maxOccurs="1" ref="protect"/>
+                <xs:element minOccurs="0" ref="protect"/>
                 <xs:element minOccurs="0" ref="firstvisit"/>
                 <xs:element minOccurs="0" ref="preprocessor"/>
                 <xs:element minOccurs="0" ref="postprocessor"/>
                 <xs:element minOccurs="0" ref="after-login"/>
                 <xs:element minOccurs="0" ref="before-logout"/>
-                <xs:element minOccurs="0" maxOccurs="1" ref="default-request"/>
+                <xs:element minOccurs="0" ref="default-request"/>
                 <xs:element minOccurs="0" maxOccurs="unbounded" ref="request-map"/>
                 <xs:element minOccurs="0" maxOccurs="unbounded" ref="view-map"/>
             </xs:sequence>
@@ -59,6 +59,12 @@ under the License.
     <xs:element name="owner" type="xs:string"/>
     <xs:element name="errorpage" type="xs:string"/>
     <xs:element name="handler">
+        <xs:annotation>
+            <xs:documentation>
+                Defines a Java class which handles a specific named type (either request or view).
+                This allows different logics for processing input from requests.
+            </xs:documentation>
+        </xs:annotation>
         <xs:complexType>
             <xs:attributeGroup ref="attlist.handler"/>
         </xs:complexType>
@@ -66,16 +72,28 @@ under the License.
     <xs:attributeGroup name="attlist.handler">
         <xs:attribute type="xs:string" name="name" use="required"/>
         <xs:attribute name="type" default="request">
+            <xs:annotation>
+                <xs:documentation>
+                    To keep it short, request is for action when view is for rendering
+                </xs:documentation>
+            </xs:annotation>
             <xs:simpleType>
                 <xs:restriction base="xs:token">
-                    <xs:enumeration value="view"/>
                     <xs:enumeration value="request"/>
+                    <xs:enumeration value="view"/>
                 </xs:restriction>
             </xs:simpleType>
         </xs:attribute>
         <xs:attribute type="xs:string" name="class" use="required"/>
     </xs:attributeGroup>
     <xs:element name="protect">
+        <xs:annotation>
+            <xs:documentation>
+                Mechanism used to protect from data leakage (data stolen from a login/password couple compromised).
+                It works like the grey list anti-spam feature (aka tarpitting).
+                Any error will be ignored and will not affect the requests processing flow.
+            </xs:documentation>
+        </xs:annotation>
         <xs:complexType>
             <xs:attributeGroup ref="attlist.protect"/>
         </xs:complexType>
@@ -84,6 +102,12 @@ under the License.
         <xs:attribute type="xs:string" name="view" use="required"/>
     </xs:attributeGroup>
     <xs:element name="firstvisit">
+        <xs:annotation>
+            <xs:documentation>
+                Event runs at the 1st visit and only then.
+                Any error will be ignored and will not affect the requests processing flow.
+            </xs:documentation>
+        </xs:annotation>
         <xs:complexType>
             <xs:sequence>
                 <xs:element minOccurs="0" maxOccurs="unbounded" ref="event"/>
@@ -91,6 +115,12 @@ under the License.
         </xs:complexType>
     </xs:element>
     <xs:element name="preprocessor">
+        <xs:annotation>
+            <xs:documentation>
+                Event runs before each request.
+                Any error will be ignored and will not affect the requests processing flow.
+            </xs:documentation>
+        </xs:annotation>
         <xs:complexType>
             <xs:sequence>
                 <xs:element minOccurs="0" maxOccurs="unbounded" ref="event"/>
@@ -98,6 +128,12 @@ under the License.
         </xs:complexType>
     </xs:element>
     <xs:element name="postprocessor">
+        <xs:annotation>
+            <xs:documentation>
+                Event runs after each request.
+                Any error will be ignored and will not affect the requests processing flow.
+            </xs:documentation>
+        </xs:annotation>
         <xs:complexType>
             <xs:sequence>
                 <xs:element minOccurs="0" maxOccurs="unbounded" ref="event"/>
@@ -105,6 +141,12 @@ under the License.
         </xs:complexType>
     </xs:element>
     <xs:element name="after-login">
+        <xs:annotation>
+            <xs:documentation>
+                Event runs after login and only then.
+                Any error will be ignored and will not affect the requests processing flow.
+            </xs:documentation>
+        </xs:annotation>
         <xs:complexType>
             <xs:sequence>
                 <xs:element minOccurs="0" maxOccurs="unbounded" ref="event"/>
@@ -112,6 +154,12 @@ under the License.
         </xs:complexType>
     </xs:element>
     <xs:element name="before-logout">
+        <xs:annotation>
+            <xs:documentation>
+                Event runs before logout and only then.
+                Any error will be ignored and will not affect the requests processing flow.
+            </xs:documentation>
+        </xs:annotation>
         <xs:complexType>
             <xs:sequence>
                 <xs:element minOccurs="0" maxOccurs="unbounded" ref="event"/>
@@ -119,6 +167,11 @@ under the License.
         </xs:complexType>
     </xs:element>
     <xs:element name="default-request">
+        <xs:annotation>
+            <xs:documentation>
+                If a request cannot be called, or is not defined, the default-request is used
+            </xs:documentation>
+        </xs:annotation>
         <xs:complexType>
             <xs:attributeGroup ref="attlist.default-request"/>
         </xs:complexType>
@@ -127,6 +180,11 @@ under the License.
         <xs:attribute type="xs:string" name="request-uri" use="required"/>
     </xs:attributeGroup>
     <xs:element name="request-map">
+        <xs:annotation>
+            <xs:documentation>
+                Place where are defined the elements of a request.
+            </xs:documentation>
+        </xs:annotation>
         <xs:complexType>
             <xs:sequence>
                 <xs:element minOccurs="0" ref="description"/>
@@ -138,8 +196,19 @@ under the License.
         </xs:complexType>
     </xs:element>
     <xs:attributeGroup name="attlist.request-map">
-        <xs:attribute type="xs:string" name="uri" use="required"/>
+        <xs:attribute type="xs:string" name="uri" use="required">
+            <xs:annotation>
+                <xs:documentation>
+                    The name of this request. This will be the name used to access the request.
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
         <xs:attribute name="edit" default="true">
+            <xs:annotation>
+                <xs:documentation>
+                    Reserved for future use (not used yet).
+                </xs:documentation>
+            </xs:annotation>
             <xs:simpleType>
                 <xs:restriction base="xs:token">
                     <xs:enumeration value="true"/>
@@ -148,23 +217,50 @@ under the License.
             </xs:simpleType>
         </xs:attribute>
         <xs:attribute name="track-visit" default="true">
+            <xs:annotation>
+                <xs:documentation>
+                    Allow or not to track first visit (related to firstvisit preprocessor).
+                </xs:documentation>
+            </xs:annotation>
             <xs:simpleType>
                 <xs:restriction base="xs:token">
                     <xs:enumeration value="true"/>
-                    <xs:enumeration value="false"/>
+                    <xs:enumeration value="false">
+                        <xs:annotation>
+                            <xs:documentation>
+                                Don't track as first visit (related to firstvisit preprocessor).
+                            </xs:documentation>
+                        </xs:annotation>
+                    </xs:enumeration>
                 </xs:restriction>
             </xs:simpleType>
         </xs:attribute>
         <xs:attribute name="track-serverhit" default="true">
+            <xs:annotation>
+                <xs:documentation>
+                    Allow or not to track statistics.
+                </xs:documentation>
+            </xs:annotation>
             <xs:simpleType>
                 <xs:restriction base="xs:token">
                     <xs:enumeration value="true"/>
-                    <xs:enumeration value="false"/>
+                    <xs:enumeration value="false">
+                        <xs:annotation>
+                            <xs:documentation>
+                                Don't track in the statistics.
+                            </xs:documentation>
+                        </xs:annotation>
+                    </xs:enumeration>
                 </xs:restriction>
             </xs:simpleType>
         </xs:attribute>
     </xs:attributeGroup>
     <xs:element name="security">
+        <xs:annotation>
+            <xs:documentation>
+                Define the security of the request-map, using https and auth boolean attributes.
+            </xs:documentation>
+        </xs:annotation>
         <xs:complexType>
             <xs:attributeGroup ref="attlist.security"/>
         </xs:complexType>
@@ -173,12 +269,23 @@ under the License.
         <xs:attribute name="https" default="false">
             <xs:simpleType>
                 <xs:restriction base="xs:token">
-                    <xs:enumeration value="true"/>
+                    <xs:enumeration value="true">
+                        <xs:annotation>
+                            <xs:documentation>
+                                Redirects to/uses/generates the secured HTTPS protocol if necessary and possible
+                            </xs:documentation>
+                        </xs:annotation>
+                    </xs:enumeration>
                     <xs:enumeration value="false"/>
                 </xs:restriction>
             </xs:simpleType>
         </xs:attribute>
         <xs:attribute name="auth" default="false">
+            <xs:annotation>
+                <xs:documentation>
+                    If auth=true, when you hit the request if you are not logged in you will be forwarded to the login page.
+                </xs:documentation>
+            </xs:annotation>
             <xs:simpleType>
                 <xs:restriction base="xs:token">
                     <xs:enumeration value="true"/>
@@ -187,6 +294,12 @@ under the License.
             </xs:simpleType>
         </xs:attribute>
         <xs:attribute name="cert" default="false">
+            <xs:annotation>
+                <xs:documentation>
+                    It true, check for HTTPS client (x.509) security.
+                    If the request is not secured throws an exception
+                </xs:documentation>
+            </xs:annotation>
             <xs:simpleType>
                 <xs:restriction base="xs:token">
                     <xs:enumeration value="true"/>
@@ -195,6 +308,13 @@ under the License.
             </xs:simpleType>
         </xs:attribute>
         <xs:attribute name="external-view" default="true">
+            <xs:annotation>
+                <xs:documentation>
+                    If false, prevent to pass a view through the url ("chaining" it after the request,
+                    like control/request/view in an FTL file).
+                    Default to true.
+                </xs:documentation>
+            </xs:annotation>
             <xs:simpleType>
                 <xs:restriction base="xs:token">
                     <xs:enumeration value="true"/>
@@ -203,6 +323,11 @@ under the License.
             </xs:simpleType>
         </xs:attribute>
         <xs:attribute name="direct-request" default="true">
+            <xs:annotation>
+                <xs:documentation>
+                    If false the request can only be accessed in a chained request
+                </xs:documentation>
+            </xs:annotation>
             <xs:simpleType>
                 <xs:restriction base="xs:token">
                     <xs:enumeration value="true"/>
@@ -212,16 +337,61 @@ under the License.
         </xs:attribute>
     </xs:attributeGroup>
     <xs:element name="event">
+        <xs:annotation>
+            <xs:documentation>
+                Defines a piece of code (see handlers) which will handles the request need.
+                Return any string which is then used to route to different responses.
+                Only one event by request-map.
+            </xs:documentation>
+        </xs:annotation>
         <xs:complexType>
             <xs:attributeGroup ref="attlist.event"/>
         </xs:complexType>
     </xs:element>
     <xs:attributeGroup name="attlist.event">
-        <xs:attribute name="type" type="xs:string" use="required"/>
-        <xs:attribute name="name" type="xs:string"/>
-        <xs:attribute name="path" type="xs:string"/>
-        <xs:attribute name="invoke" type="xs:string"/>
+        <xs:attribute name="type" type="xs:string" use="required">
+            <xs:annotation>
+                <xs:documentation>
+                    There are as much as types (of type request) as available defined and accessible event handlers.
+                    Most used are java, service, service-multi, simple and bsf (or groovy).
+                    A most comprehensive list can be found in the common-controller.
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="name" type="xs:string">
+            <xs:annotation>
+                <xs:documentation>
+                    Event name, mostly used with special events
+                    (firstvisit,
+                    preprocessor,
+                    postprocessor,
+                    after-login,
+                    before-logout)
+                    where the name allows to differentiate them.
+                    Most of the time reques-maps, which have only 1 event, don't use it.
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="path" type="xs:string">
+            <xs:annotation>
+                <xs:documentation>
+                    The path to the class or XML file containing this event, leave empty for services.
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="invoke" type="xs:string">
+            <xs:annotation>
+                <xs:documentation>
+                    The name of the method or service to be run.
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
         <xs:attribute name="global-transaction" default="true">
+            <xs:annotation>
+                <xs:documentation>
+                    For service-multi, defines if the event should be wrapped in a transaction, default to true
+                </xs:documentation>
+            </xs:annotation>
             <xs:simpleType>
                 <xs:restriction base="xs:token">
                     <xs:enumeration value="true"/>
@@ -231,47 +401,144 @@ under the License.
         </xs:attribute>
     </xs:attributeGroup>
     <xs:element name="response">
+        <xs:annotation>
+            <xs:documentation>
+                You can have one response for each possible return code from the event.
+                An event can return any string, and that string can be used to route to different responses.
+                At least one reponse by request-map.
+            </xs:documentation>
+        </xs:annotation>
         <xs:complexType>
             <xs:sequence>
-                <xs:element minOccurs="0" maxOccurs="unbounded" ref="redirect-parameter"/>
+                <xs:element minOccurs="0" maxOccurs="unbounded" ref="redirect-parameter">
+                    <xs:annotation>
+                        <xs:documentation>
+                            Defines a possible parameter to redirect
+                        </xs:documentation>
+                    </xs:annotation>
+                </xs:element>
             </xs:sequence>
             <xs:attributeGroup ref="attlist.response"/>
         </xs:complexType>
     </xs:element>
     <xs:attributeGroup name="attlist.response">
-        <xs:attribute name="name" type="xs:string" use="required"/>
+        <xs:attribute name="name" type="xs:string" use="required">
+            <xs:annotation>
+                <xs:documentation>
+                    The name of the response, wich also matches the string returned by the event
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
         <xs:attribute name="type" use="required">
+            <xs:annotation>
+                <xs:documentation>
+                    One of the possible types between:
+                    none,
+                    view,
+                    view-last,
+                    view-last-noparam,
+                    view-home,
+                    request,
+                    request-redirect,
+                    request-redirect-noparam,
+                    url
+                </xs:documentation>
+            </xs:annotation>
             <xs:simpleType>
                 <xs:restriction base="xs:token">
-                    <xs:enumeration value="none"/>
-                    <xs:enumeration value="view"/>
+                    <xs:enumeration value="none">
+                        <xs:annotation>
+                            <xs:documentation>
+                                This is used in situations where the event will actually
+                                be generating the response. If you have an event that
+                                returns a binary download for example, you would use
+                                a response of type=none, so that the control servlet
+                                doesn't try to render anything and send it down to the
+                                client.
+                            </xs:documentation>
+                        </xs:annotation>
+                    </xs:enumeration>
+                    <xs:enumeration value="view">
+                        <xs:annotation>
+                            <xs:documentation>
+                                Send to a view for final rendering
+                            </xs:documentation>
+                        </xs:annotation>
+                    </xs:enumeration>
                     <xs:enumeration value="view-last">
                         <xs:annotation>
-                            <xs:documentation>Will use the view from the last request unless there
+                            <xs:documentation>
+                                Will use the view from the last request unless there
                                 is a saved from some previous request (using the save-last-view
                                 attribute).  Use the value attribute to specify a default view
-                                in case no previous view can be retrieved.</xs:documentation>
+                                in case no previous view can be retrieved.
+                            </xs:documentation>
+                        </xs:annotation>
+                    </xs:enumeration>
+                    <xs:enumeration value="view-last-noparam">
+                        <xs:annotation>
+                            <xs:documentation>
+                                Same than view-last but no parameters are redirect
+                            </xs:documentation>
                         </xs:annotation>
                     </xs:enumeration>
-                    <xs:enumeration value="view-last-noparam"/>                            
                     <xs:enumeration value="view-home">
                         <xs:annotation>
-                            <xs:documentation>Will use the view from the last saved 'home' position
-                                (using the save-home-view attribute).</xs:documentation>
+                            <xs:documentation>
+                                Will use the view from the last saved 'home' position
+                                (using the save-home-view attribute).
+                            </xs:documentation>
+                        </xs:annotation>
+                    </xs:enumeration>
+                    <xs:enumeration value="request">
+                        <xs:annotation>
+                            <xs:documentation>
+                                Internally chains to another request
+                            </xs:documentation>
+                        </xs:annotation>
+                    </xs:enumeration>
+                    <xs:enumeration value="request-redirect">
+                        <xs:annotation>
+                            <xs:documentation>
+                                Send a redirect down to the browser telling it to go to the new request.
+                                Automatically redirect all current request parameters to the new request.
+                            </xs:documentation>
+                        </xs:annotation>
+                    </xs:enumeration>
+                    <xs:enumeration value="request-redirect-noparam">
+                        <xs:annotation>
+                            <xs:documentation>
+                                Send a redirect down to the browser telling it to go to the new request.
+                                No current request parameters are sent to the new request.
+                            </xs:documentation>
+                        </xs:annotation>
+                    </xs:enumeration>
+                    <xs:enumeration value="url">
+                        <xs:annotation>
+                            <xs:documentation>
+                                Any URL, relative or absolute
+                            </xs:documentation>
                         </xs:annotation>
                     </xs:enumeration>
-                    <xs:enumeration value="request"/>
-                    <xs:enumeration value="request-redirect"/>
-                    <xs:enumeration value="request-redirect-noparam"/>
-                    <xs:enumeration value="url"/>
                 </xs:restriction>
             </xs:simpleType>
         </xs:attribute>
-        <xs:attribute name="value" type="xs:string"/>
+        <xs:attribute name="value" type="xs:string">
+            <xs:annotation>
+                <xs:documentation>
+                    Depending on the type of response, will either
+                    be the view or request name (ie view-map-name or request-map URI).
+
+                    Can be an URL.
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
         <xs:attribute name="save-last-view" default="false">
             <xs:annotation>
-                <xs:documentation>Saves the last (previous) request's view for future use, generally
-                    with the view-last type of response.</xs:documentation>
+                <xs:documentation>
+                    Saves the last (previous) request's view for future use, generally
+                    with the view-last type of response.
+                </xs:documentation>
             </xs:annotation>
             <xs:simpleType>
                 <xs:restriction base="xs:token">
@@ -282,8 +549,10 @@ under the License.
         </xs:attribute>
         <xs:attribute name="save-current-view" default="false">
             <xs:annotation>
-                <xs:documentation>Saves the current request's view for future use, generally with
-                    the view-last type of response.</xs:documentation>
+                <xs:documentation>
+                    Saves the current request's view for future use, generally with
+                    the view-last type of response.
+                </xs:documentation>
             </xs:annotation>
             <xs:simpleType>
                 <xs:restriction base="xs:token">
@@ -294,8 +563,10 @@ under the License.
         </xs:attribute>
         <xs:attribute name="save-home-view" default="false">
             <xs:annotation>
-                <xs:documentation>Saves the current request's view for future use, generally with
-                    the view-home type of response.</xs:documentation>
+                <xs:documentation>
+                    Saves the current request's view for future use, generally with
+                    the view-home type of response.
+                </xs:documentation>
             </xs:annotation>
             <xs:simpleType>
                 <xs:restriction base="xs:token">
@@ -307,25 +578,39 @@ under the License.
     </xs:attributeGroup>
     <xs:element name="redirect-parameter">
         <xs:annotation>
-            <xs:documentation>Adds a parameter with the given name to the redirect. Finds value in a
-                request attribute if exists, or a request parameter if no attribute is
-                found.</xs:documentation>
+            <xs:documentation>
+                Adds a parameter with the given name to the redirect. Finds value in a
+                request attribute if exists, or a request parameter if no attribute is found.
+            </xs:documentation>
         </xs:annotation>
         <xs:complexType>
             <xs:attributeGroup ref="attlist.redirect-parameter"/>
         </xs:complexType>
     </xs:element>
     <xs:attributeGroup name="attlist.redirect-parameter">
-        <xs:attribute type="xs:string" name="name" use="required"/>
+        <xs:attribute type="xs:string" name="name" use="required">
+            <xs:annotation>
+                <xs:documentation>
+                    Name of the parameter to redirect
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
         <xs:attribute type="xs:string" name="from" use="optional">
             <xs:annotation>
-                <xs:documentation>If specified used instead of the value of name for the key to find
-                    a request attribute or parameter.</xs:documentation>
+                <xs:documentation>
+                    If specified used instead of the value of name for the key to find
+                    a request attribute or parameter.
+                </xs:documentation>
             </xs:annotation>
         </xs:attribute>
         <xs:attribute type="xs:string" name="value" use="optional"/>
     </xs:attributeGroup>
     <xs:element name="view-map">
+        <xs:annotation>
+            <xs:documentation>
+                Place where are defined the elements of a view.
+            </xs:documentation>
+        </xs:annotation>
         <xs:complexType>
             <xs:sequence>
                 <xs:element minOccurs="0" ref="description"/>
@@ -334,22 +619,63 @@ under the License.
         </xs:complexType>
     </xs:element>
     <xs:attributeGroup name="attlist.view-map">
-        <xs:attribute type="xs:string" name="name" use="required"/>
-        <xs:attribute type="xs:string" name="page"/>
-        <xs:attribute type="xs:string" name="type" default="default"/>
-        <xs:attribute type="xs:string" name="info"/>
-        <xs:attribute type="xs:string" name="content-type"/>
-        <xs:attribute type="xs:string" name="encoding"/>
+        <xs:attribute type="xs:string" name="name" use="required">
+            <xs:annotation>
+                <xs:documentation>
+                    The name of this view. This will be the name used to access the view.
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute type="xs:string" name="page">
+            <xs:annotation>
+                <xs:documentation>
+                    The page mapped to this view.
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute type="xs:string" name="type" default="default">
+            <xs:annotation>
+                <xs:documentation>
+                    There are as much as types (of type view) as available defined and accessible event handlers.
+                    Most used is screen, others are notably screenxml, screentext, screencsv, screenfop, ftl, http and birt
+                    A most comprehensive list can be found in the common-controller.
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute type="xs:string" name="info">
+            <xs:annotation>
+                <xs:documentation>
+                    Extended information passed to the view handler.
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute type="xs:string" name="content-type">
+            <xs:annotation>
+                <xs:documentation>
+                    Content-type in the HTML sense
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute type="xs:string" name="encoding">
+            <xs:annotation>
+                <xs:documentation>
+                    Charset  in the HTML sense. By default "text/html" is used.
+                    If the encoding is "none" then no charset will be used.
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
         <xs:attribute name="no-cache" default="false">
             <xs:annotation>
-                <xs:documentation>Send no-cache headers if set to true.</xs:documentation>
-            </xs:annotation>        
+                <xs:documentation>
+                    Send no-cache headers if set to true.
+                </xs:documentation>
+            </xs:annotation>
             <xs:simpleType>
                 <xs:restriction base="xs:token">
                     <xs:enumeration value="true"/>
                     <xs:enumeration value="false"/>
                 </xs:restriction>
             </xs:simpleType>
-        </xs:attribute>        
+        </xs:attribute>
     </xs:attributeGroup>
 </xs:schema>