Hi aswath 
thanks. I can now generate the reports using servlet and setting the
mimetype.But I still got a problem with getting parameters using
request.getParameter("attributename")

My service definition is as below

<service name="crmsfa.reportServlet" engine="java"
location="com.path.to.ReportServices" invoke="reportServlet">
        <description>Views a report </description>
        <attribute name="reportType" type="String" mode="IN"
optional="false"/>
        <attribute name="dateFrom" type="String" mode="IN"
optional="false"/>
        <attribute name="dateTo" type="String" mode="IN" optional="false"/>
        <attribute name="request"
type="javax.servlet.http.HttpServletRequest" mode="IN" optional="false"/>
        <attribute name="response"
type="javax.servlet.http.HttpServletResponse" mode="OUT" optional="false"/>

    </service>

Following is part of my servlet code trying to access the date parameters.

        reportType=(String)request.getParameter("reportType");
        
      dateTo=(String) request.getParameter("dateTo");
      dateFrom=(String) request.getParameter("dateFrom");

My problem is getting the value of parameters dateTo and dateFrom
which are being defined in my entry form as below

field name="dateFrom" title="From Date">
            <date-time type="timestamp" input-method="time-dropdown"  />

        </field>
        <field name="dateTo" title="To Date">
            <date-time type="timestamp" input-method="time-dropdown"  />

        </field>

with regards and Thanks
- Tanzeem

aswath wrote:
> 
> If you look at the  Apache OFBiz Development - The Beginner book, it says
> the following in the Java Events section:-
> -----------------------
> The Java method thus invoked must comply with a convention, an exact
> signature comprising:
> a static keyword that makes it a class method, not an instance method
> a return of type java.lang.String
> two parameters of type javax.servlet.http.HttpServletRequest and
> javax.servlet.http.HttpServletResponse
> -------------------------
> 
> So, you get HttpServletResponse as a parameter to the Java service method.
> 
> -Aswath
> 
> On Tue, May 5, 2009 at 2:16 PM, tanzeem.mb <[email protected]> wrote:
> 
>>
>> Hi
>>
>> I am trying to get a dynamically generated excel report to be streamed
>> back
>> to the browser.
>> How should i write my java method so that i can use the
>> HTTPServletResponze
>> and
>> org.ofbiz.base.util.UtilHttp.streamContentToBrowser(HttpServletResponse
>> response, byte[] bytes, java.lang.String contentType) to return data.
>>
>> My request-response map is as below:
>>
>> <request-map uri="createReport">
>>        <security https="true" auth="true"/>
>>        <event type="service" invoke="crmsfa.createReport"/>
>>        <response name="success" type="view" value="showReport"/>
>>
>>        <response name="error" type="request-redirect"
>> value="viewReport"/>
>>    </request-map>
>>
>> What changes should i make to the following method .
>> public static Map createReport(DispatchContext dctx, Map context) {
>> --------
>> --------
>> }
>>
>> How can i make the HTTPServletResponse object available in my java
>> service
>> method
>>
>> Can anyone give any sample java file using HTTPServletResponse object in
>> the
>> service method
>>
>> Thanks
>> Tanzeem
>> --
>> View this message in context:
>> http://www.nabble.com/Generating-excel-report-tp23383400p23383400.html
>> Sent from the OFBiz - User mailing list archive at Nabble.com.
>>
>>
> 
> 

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