GUI for https://github.com/digital-preservation/csv-validator

CSVSwing

package org.lsug.csvswing

import swing._
import Swing._
import scala.swing.event.ButtonClicked
import java.io.File
import scala.util.{Failure, Success, Try}
import javax.swing.UIManager

object CSVSwing extends SimpleSwingApplication {

  UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName)

  val results = new TextArea("")

  def top = new MainFrame {
    title = "CSV Validator GUI"

    contents = new BorderPanel {
      import BorderPanel.Position._

      val filePanel:BoxPanel = new BoxPanel(Orientation.Vertical)  {
        border = Swing.EmptyBorder(5,10,5,10)

        val schemaFilePath = new TextField("/Users/andy/Projects/csv-validator/csv-validator-core/src/test/resources/uk/gov/tna/dri/validator/schema.txt")
        val schemaFile = new BorderPanel {
          layout(new Label("Schema File")) = West
          layout(schemaFilePath) = Center
          layout(new Button("...") {
            reactions += {
              case ButtonClicked(_) => {
                new FileChooser(new File(".")) {
                  title = "Schema File"
                  selectedFile = new File(schemaFilePath.text)
                  showOpenDialog(filePanel)  match {
                    case FileChooser.Result.Approve => schemaFilePath.text = selectedFile.getAbsolutePath
                    case FileChooser.Result.Cancel => println("cancel")
                  }
                }
              }
            }
          }
          ) = East
        }
        contents += schemaFile

        val csvFilePath = new TextField("/Users/andy/Projects/csv-validator/csv-validator-core/src/test/resources/uk/gov/tna/dri/validator/metaData.csv")
        val csvFile = new BorderPanel {
          layout(new Label("CSV File")) = West
          layout(csvFilePath) = Center
          layout(new Button("...") {
            reactions += {
              case ButtonClicked(_) => {
                new FileChooser(new File(".")) {
                  title = "CSV File"
                  selectedFile = new File(csvFilePath.text)
                  showOpenDialog(filePanel)  match {
                    case FileChooser.Result.Approve => csvFilePath.text = selectedFile.getAbsolutePath
                    case FileChooser.Result.Cancel => println("cancel")
                  }
                }
              }
            }
          }
          ) = East
        }
        contents += csvFile

        val runPanel = new BorderPanel {
          layout( new Button("Validate") {
            reactions += {
              case ButtonClicked(_) => executeCSV(schemaFilePath.text, csvFilePath.text)
            }
          } ) = East
        }
        contents += runPanel

      }
      layout(filePanel) = North

      layout(new BorderPanel {
        border = Swing.EmptyBorder(5,10,5,10)
        layout(results) = Center
      }) = Center

      val cmdLine = new FlowPanel {
        contents += new Button("Save")
        contents += new Button("Close") {
          reactions += {
            case ButtonClicked(_) => System.exit(0)
          }
        }
      }
      layout(new BorderPanel {
        layout(cmdLine) = East
      }) = South

    }

    location = (100, 100)
    size = (800,500)
  }


  def executeCSV(schema: String, csv: String) {
    val pb = new ProcessBuilder("""/Users/andy/Projects/csv-validator/csv-validator-core/validate""", csv, schema)
    pb.directory( new File("/Users/andy/Projects/csv-validator/csv-validator-core/"))
    val pt = Try{ pb.start}

    pt match {
      case Success(p) =>
        p.waitFor
        val out = p.getInputStream
        val buff = Array[Byte](100)
        var x = out.read(buff)
        while( x != -1) {
          results.text += new String(buff)
          x = out.read(buff)
        }

      case Failure(e) =>  results.text += "Error: " + e
    }
  }
}