Examples of java.util.Properties.store()

java.util.Properties.store()
Writes this property list (key and element pairs) in this Properties table to the output character stream in a format suitable for using the {@link #load(java.io.Reader) load(Reader)}method.
Properties from the defaults table of this Properties table (if any) are not written out by this method.
If the comments argument is not null, then an ASCII # character, the comments string, and a line separator are first written to the output stream. Thus, the comments can serve as an identifying comment. Any one of a line feed ('\n'), a carriage return ('\r'), or a carriage return followed immediately by a line feed in comments is replaced by a line separator generated by the Writer and if the next character in comments is not character # or character ! then an ASCII # is written out after that line separator.
Next, a comment line is always written, consisting of an ASCII # character, the current date and time (as if produced by the toString method of Date for the current time), and a line separator as generated by the Writer.
Then every entry in this Properties table is written out, one per line. For each entry the key string is written, then an ASCII =, then the associated element string. For the key, all space characters are written with a preceding \ character. For the element, leading space characters, but not embedded or trailing space characters, are written with a preceding \ character. The key and element characters #, !, =, and : are written with a preceding backslash to ensure that they are properly loaded.
After the entries have been written, the output stream is flushed. The output stream remains open after this method returns.
@param writer an output character stream writer. @param comments a description of the property list. @exception IOException if writing this property list to the specifiedoutput stream throws an IOException. @exception ClassCastException if this Properties objectcontains any keys or values that are not Strings. @exception NullPointerException if writer is null. @since 1.6

      }
      f=new File(dir,service.getId()+".service");
      try {
        StreamUtilities.outputStream(f, new OutputStreamProcessor() {
          public void process(OutputStream outputStream) throws IOException {
            prop.store(outputStream, "settings");
          }
        });
      } catch (IOException exc) {
        String msg = mLocalizer.msg("error.4", "Saving settings for plugin {0} failed!\n({1})",
            service.getInfo().getName(), f.getAbsolutePath(), exc);

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        Connection conn = getConnection("functions");
        Statement stat = conn.createStatement();
        String fileName = getBaseDir() + "/test.txt";
        Properties prop = System.getProperties();
        OutputStream out = IOUtils.openFileOutputStream(fileName, false);
        prop.store(out, "");
        out.close();
        ResultSet rs = stat.executeQuery("SELECT LENGTH(FILE_READ('" + fileName + "')) LEN");
        rs.next();
        assertEquals(IOUtils.length(fileName), rs.getInt(1));
        rs = stat.executeQuery("SELECT FILE_READ('" + fileName + "') PROP");

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    try {
      File f = new File("config.properties");
      f.createNewFile();
      p.store(new FileOutputStream(f), "Everbox4j Config");
      JOptionPane.showConfirmDialog(frmEverbox, 
          "保存成功!! 如果你改变了用户名,请先退出客户端,然后再启动!","提醒",JOptionPane.OK_OPTION);
    } catch (Throwable e) {
      log.error("保存出错!!", e);
      JOptionPane.showConfirmDialog(frmEverbox, "保存失败!!!","警告",JOptionPane.OK_OPTION);

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                    properties.put(key, headerText);         
                }                
                     
                {
                try {                                    
                    properties.store(new FileOutputStream(fileString), "Exported headers of project : " + _selectedProject.getName());
                }
                catch (FileNotFoundException e) {
                    MessageDialog.openError(getShell(), "Error", "WDS was unable to write file");
                    Plugin.getDefault().logError("WDS was unable to write file", e);
                }

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    FileOutputStream fos = null;
    try {
      props.setProperty(TIME_KEY, String.valueOf(time.getTime()));
      props.setProperty("LAST_TIME", time.toString());
      fos = new FileOutputStream(realPath);
      props.store(fos, null);
    } finally {
      props = null;
      if (fos != null){
        fos.close();
        fos = null;

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        installMock = context.mock(Install.class);
        propertiesDir.mkdirs();
        propertiesFile = new File(propertiesDir, "wrapper.properties");
        Properties testProperties = new Properties();
        testProperties.load(WrapperTest.class.getResourceAsStream("/org/gradle/wrapper/wrapper.properties"));
        testProperties.store(new FileOutputStream(propertiesFile), null);
        System.setProperty(Wrapper.WRAPPER_PROPERTIES_PROPERTY, propertiesFile.getCanonicalPath());
    }


    @After
    public void tearDown() {

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        System.out.println("Creating hash for " + args[1]);
        users.setProperty( args[1], hashPassword( args[2]) );


        System.out.println("Writing password for " + args[1]);
        OutputStream os = new BufferedOutputStream( new FileOutputStream( userFile ) );
        users.store( os, "" );
        os.flush();
        os.close();
        System.out.println("done");
    }

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        fos  = new FileOutputStream( new File( user_path, UPDATE_PROPERTIES ));
        
          // this handles unicode chars by writing \\u escapes
        
        update_properties.store(fos, "Azureus restart properties" );
        
      }catch( Throwable e ){
        
        Debug.printStackTrace( e );

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                    } else {
                        logger.warn("The value enhancer is invalid, the value enhancer will be deleted.");
                        
                        properties.remove(key);
                        FileOutputStream fos = new FileOutputStream(filename);
                        properties.store(fos, "");
                        fos.close();
                    }
                }
            } catch (Exception e) {
                logger.error("Error while loading enhancer settings from " + filename, e);

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            if (DataCrow.debug)
                properties.setProperty("log4j.rootLogger", "debug, textpane, logfile, stdout");
            else
                properties.setProperty("log4j.rootLogger", "info, textpane, logfile");
            
            properties.store(new FileOutputStream(DataCrow.installationDir + "log4j.properties"), "");
        } catch (Exception e) {
            logger.error("Could not find the log4j properties file.", e);
        }
        
        PropertyConfigurator.configure(DataCrow.installationDir + "log4j.properties");

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