Send a File from server to client using Axis2 Web Service

Web Service

1 2 3 4 5 6 7 8 9

public DataHandler executeWebService(String param1,String param2){ DataHandler actualDH=null; try { actualDH = new DataHandler(new URL("file:///D:\\test\\NEW.xml")); } catch (MalformedURLException e) { } return actualDH; }

Client

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66

public static void main(String args[]) throws java.lang.Exception { RPCServiceClient serviceClient = null;; try { serviceClient = new RPCServiceClient(); } catch (AxisFault e1) { e1.printStackTrace(); } Options options = serviceClient.getOptions(); EndpointReference targetEPR = new EndpointReference( "http://localhost:8080/webservice/services/myWebService.MyWebServiceHttpSoap11Endpoint/"); options.setProperty(Constants.Configuration.ENABLE_MTOM, Constants.VALUE_TRUE); options.setAction("urn:executeWebService"); options.setTo(targetEPR); QName opName = new QName("http://my.webservices.com", "executeWebService"); Object[] opSetArgs = new Object[0]; Class[] returnTypes = new Class[] { DataHandler.class }; try { Object[] response = serviceClient.invokeBlocking(opName, opSetArgs, returnTypes); DataHandler actualDH; actualDH = (DataHandler) response[0];// get the binary data System.out.println(actualDH); //Received file will be available in this location. File graphFile = new File("D://test//NEW1.xml"); if (!graphFile.exists()) { try { graphFile.createNewFile(); } catch (IOException e) { e.printStackTrace(); } } FileOutputStream outputStream = null; try { outputStream = new FileOutputStream(graphFile); } catch (FileNotFoundException e) { e.printStackTrace(); } try { actualDH.writeTo(outputStream); } catch (IOException e) { e.printStackTrace(); } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } }

Set page dynamically in tapestry using IPage

Below is sample on how to set page dynamically in tapestry 4.1 using ipage

public IPage doCallMethodSave(IRequestCycle cycle) {
IPage ipage = null;
ipage = cycle.getPage("pageName");
return ipage;
}

Postgres Bring row values of a column comma separated to primary key

Employee Master
id bigint
name text
department_id bigint


Department Master
id bigint
name text

Query
select userid,string_agg(gr.roledescription,',') from employee_master employee
INNER JOIN department_master dept ONemployee.department_id=dept.id

In Postgres 9 PGAdmin Text value exceeding 4860 is not showing data

Error: In Postgres 9 PGAdmin data type "Text" value exceeding 4860 is not showing data


Solution: This is problem in PGAdmin module. So execute the same in PSQL COnsole or postgres command prompt

How to write methods of java file to text file

The below example shows you how to write contents of java file to a text file.


Step 1: Open cmd.exe
Step 2: First go to the folder which contains the class file of the java file
Step 3: Execute the line javap filename >test.txt
            where filename is the name of the class file.(Do not enter extension)


Now you will see a text file created in the folder with the given file name;