[jbosstools-issues] [JBoss JIRA] (JBDS-3371) The method openFileDialog(null, null) is undefined for the type FileOpenService

[Denis Golovin (JIRA)]

     [ https://issues.jboss.org/browse/JBDS-3371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Denis Golovin closed JBDS-3371.
-------------------------------


> The method openFileDialog(null, null) is undefined for the type FileOpenService
> -------------------------------------------------------------------------------
>
>                 Key: JBDS-3371
>                 URL: https://issues.jboss.org/browse/JBDS-3371
>             Project: Developer Studio (JBoss Developer Studio)
>          Issue Type: Bug
>         Environment: JBoss Developer Studio Version: 8.0.2.GA
>            Reporter: Ludumo Sankobe
>
> Im getting "The method openFileDialog(null, null) is undefined for the type FileOpenService" error wen trying to run the code bellow.:
> {code}
> package com.hrtrust.ps.scanner;
> // add javaws.jar to the classpath during compilation
> import javax.jnlp.FileOpenService;
> import javax.jnlp.FileSaveService;
> import javax.jnlp.FileContents;
> import javax.jnlp.ServiceManager;
> import javax.jnlp.UnavailableServiceException;
> import java.io.*;
> import javax.jnlp.ExtendedService;
> public class FileHandler {
>     static private FileOpenService fos = null;
>     static private FileSaveService fss = null;
>     static private FileContents fc = null;
>     static private ExtendedService exs = null;
>     // retrieves a reference to the JNLP services
>     private static synchronized void initialize() {
>         if (fss != null) {
>             return;
>         }
>         try {
>             fos = (FileOpenService) ServiceManager.lookup("javax.jnlp.FileOpenService");
>             fss = (FileSaveService) ServiceManager.lookup("javax.jnlp.FileSaveService");
>             exs = (ExtendedService) ServiceManager.lookup("javax.jnlp.ExtendedService");         
>             
>         } catch (UnavailableServiceException e) {
>             fos = null;
>             fss = null;
>             exs = null;
>         }
>     }
>     public static FileContents getDLL(File dllFile) {
>       initialize();
>       try {
>         fc = exs.openFile(dllFile);
>       } catch (IOException ioe) {
>             ioe.printStackTrace(System.out);
>             return null;
>         }
>       return fc;
>     }
>     // displays open file dialog and reads selected file using FileOpenService
>     public static String open() {
>         initialize();
>         try {
>             fc = fos.openFileDialog(null, null);
>             return readFromFile(fc);
>         } catch (IOException ioe) {
>             ioe.printStackTrace(System.out);
>             return null;
>         }
>     }
>     // displays saveFileDialog and saves file using FileSaveService
>     public static void save(String txt) {
>         initialize();
>         try {
>             // Show save dialog if no name is already given
>             if (fc == null) {
>                 fc = fss.saveFileDialog(null, null,
>                         new ByteArrayInputStream(txt.getBytes()), null);
>                 // file saved, done
>                 return;
>             }
>             // use this only when filename is known
>             if (fc != null) {
>                 writeToFile(txt, fc);
>             }
>         } catch (IOException ioe) {
>             ioe.printStackTrace(System.out);
>         }
>     }
>     // displays saveAsFileDialog and saves file using FileSaveService
>     public static void saveAs(String txt) {
>         initialize();
>         try {
>             if (fc == null) {
>                 // If not already saved. Save-as is like save
>                 save(txt);
>             } else {
>                 fc = fss.saveAsFileDialog(null, null, fc);
>                 save(txt);
>             }
>         } catch (IOException ioe) {
>             ioe.printStackTrace(System.out);
>         }
>     }
>     private static void writeToFile(String txt, FileContents fc) throws IOException {
>         int sizeNeeded = txt.length() * 2;
>         if (sizeNeeded > fc.getMaxLength()) {
>             fc.setMaxLength(sizeNeeded);
>         }
>         BufferedWriter os = new BufferedWriter(new OutputStreamWriter(fc.getOutputStream(true)));
>         os.write(txt);
>         os.close();
>     }
>     private static String readFromFile(FileContents fc) throws IOException {
>         if (fc == null) {
>             return null;
>         }
>         BufferedReader br = new BufferedReader(new InputStreamReader(fc.getInputStream()));
>         StringBuffer sb = new StringBuffer((int) fc.getLength());
>         String line = br.readLine();
>         while (line != null) {
>             sb.append(line);
>             sb.append("\n");
>             line = br.readLine();
>         }
>         br.close();
>         return sb.toString();
>     }
> }
> {code}
> NB. fc = fos.openFileDialog(null, null); is the line that gives an error. (FileOpenService)....FileSaveService and FileContents works just fine.



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