Java tutorial
/*- * #%L * A Fiji plugin for Curvature Analysis. * %% * Copyright (C) 2016 - 2017 Gary Brouhard * %% * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * #L% */ package sc.fiji.kappa.gui; import java.io.File; import java.io.FileWriter; import java.io.IOException; import java.io.PrintWriter; import java.io.StringWriter; import java.util.ArrayList; import java.util.List; import javax.swing.JFileChooser; import javax.swing.filechooser.FileNameExtensionFilter; import org.apache.commons.io.FilenameUtils; import com.opencsv.CSVWriter; import sc.fiji.kappa.curve.BezierGroup; import sc.fiji.kappa.curve.Curve; public class CurvesExporter { private KappaFrame frame; public CurvesExporter(KappaFrame frame) { this.frame = frame; } public void export() throws IOException { export(true); } public void export(boolean exportAveragePerCurve) throws IOException { JFileChooser kappaExport = new JFileChooser(); String dirPath = frame.getImageStack().getOriginalFileInfo().directory; if (dirPath != null) { String kappaPath = FilenameUtils.removeExtension(frame.getImageStack().getOriginalFileInfo().fileName); kappaPath += ".csv"; File fullPath = new File(dirPath, kappaPath); kappaExport.setSelectedFile(fullPath); } kappaExport.setFileFilter(new FileNameExtensionFilter("CSV File", "csv")); kappaExport.setDialogTitle("Export Curve Data"); // Handles export button action. int returnVal = kappaExport.showSaveDialog(frame); if (returnVal == JFileChooser.APPROVE_OPTION) { File file = kappaExport.getSelectedFile(); exportToFile(file, exportAveragePerCurve); } } public void exportToFile(String file, boolean exportAveragePerCurve) throws IOException { exportToFile(new File(file), exportAveragePerCurve); } public void exportToFile(File file, boolean exportAveragePerCurve) throws IOException { BezierGroup curves = frame.getCurves(); // Appends a .csv if (!file.getPath().toLowerCase().endsWith(".csv")) { file = new File(file.getPath() + ".csv"); } CSVWriter writer = new CSVWriter(new FileWriter(file.getAbsoluteFile())); // Write headers List<String> headers = new ArrayList<>(); headers.add("Curve Name"); headers.add("Curve Length (um)"); headers.add("Average Curvature (um-1)"); headers.add("Curvature Std (um-1)"); headers.add("X-Coordinate (um)"); headers.add("Y-Coordinate (um)"); headers.add("Point Curvature (um-1)"); headers.add("Red Intensity"); headers.add("Green Intensity"); headers.add("Blue Intensity"); writer.writeNext(headers.stream().toArray(String[]::new)); // Not used anymore int w = frame.getCurrImage().getWidth(); int h = frame.getCurrImage().getHeight(); double[][] averaged = new double[w][h]; StringWriter out = new StringWriter(); PrintWriter printWriter = new PrintWriter(out); for (Curve c : curves) { c.printValues(printWriter, averaged, !exportAveragePerCurve); writer.flush(); String[] lines = out.toString().split("\n"); for (String line : lines) { writer.writeNext(line.split(",")); } } // close the writer writer.close(); } }