org.webswing.toolkit.WebPrinterJob Maven / Gradle / Ivy

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package org.webswing.toolkit;

import java.awt.HeadlessException;
import java.awt.print.PageFormat;
import java.awt.print.Pageable;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URI;
import java.util.UUID;

import javax.print.PrintService;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.print.attribute.standard.Media;
import javax.print.attribute.standard.MediaPrintableArea;
import javax.print.attribute.standard.MediaSizeName;
import javax.print.attribute.standard.OrientationRequested;

import org.webswing.Constants;
import org.webswing.model.internal.PrinterJobResultMsgInternal;
import org.webswing.toolkit.util.Logger;
import org.webswing.toolkit.util.Services;
import org.webswing.toolkit.util.Util;

public class WebPrinterJob extends PrinterJob {
	private PrintRequestAttributeSet attribs = new HashPrintRequestAttributeSet();
	private Printable printable;
	private Pageable pageable;
	private PrintService service;

	public WebPrinterJob() {
		service = WebPrintService.getService();
	}

	@Override
	public void setPrintable(Printable painter) {
		this.printable = painter;
	}

	@Override
	public void setPrintable(Printable painter, PageFormat format) {
		setPrintable(painter);
	}

	@Override
	public void setPageable(Pageable document) throws NullPointerException {
		this.pageable = document;
	}

	@Override
	public boolean printDialog() throws HeadlessException {
		return true;//implemented in WebPrinterJobWrapper
	}

	@Override
	public PageFormat pageDialog(PageFormat page) throws HeadlessException {
		return page;//implemented in WebPrinterJobWrapper
	}

	@Override
	public PageFormat defaultPage(PageFormat page) {
		return defaultPage();
	}

	@Override
	public PageFormat defaultPage() {
		HashPrintRequestAttributeSet attrs = new HashPrintRequestAttributeSet();
		attrs.add((OrientationRequested) service.getDefaultAttributeValue(OrientationRequested.class));
		attrs.add((MediaSizeName) service.getDefaultAttributeValue(Media.class));
		attrs.add((MediaPrintableArea) service.getDefaultAttributeValue(MediaPrintableArea.class));
		return WebPrinterJobWrapper.toPageFormat(attrs);
	}

	@Override
	public PageFormat validatePage(PageFormat page) {
		return page;//implemented in WebPrinterJobWrapper
	}

	@Override
	public void print(PrintRequestAttributeSet attributes) throws PrinterException {
		this.attribs.addAll(attributes);
		print();
	}

	@Override
	public void print() throws PrinterException {
		try (ByteArrayOutputStream out = new ByteArrayOutputStream()) {
			Services.getPdfService().printToPDF(out, pageable, printable, attribs);
			servePDF(out);
		} catch (IOException e) {
			Logger.error("IOException while printing to PDF!", e);
		}
	}
	
	private void servePDF(ByteArrayOutputStream out) {
		String tempDir = System.getProperty(Constants.TEMP_DIR_PATH);
		String id = UUID.randomUUID().toString();
		File f = new File(URI.create(tempDir + "/" + id + ".pdf"));
		try {
			FileOutputStream output = new FileOutputStream(f);
			out.writeTo(output);
			output.close();
		} catch (Exception e) {
			Logger.error("Failed to save print pdf file to location " + f.getAbsolutePath(), e);
		}
		Util.getWebToolkit().getPaintDispatcher().notifyPrintPdfFile(id, f);
	}

	@Override
	public void setCopies(int copies) {
	}

	@Override
	public int getCopies() {
		return 1;
	}

	@Override
	public String getUserName() {
		return "";
	}

	@Override
	public void setJobName(String jobName) {
	}

	@Override
	public String getJobName() {
		return "";
	}

	@Override
	public void cancel() {
	}

	@Override
	public boolean isCancelled() {
		return false;
	}

	@Override
	public PrintService getPrintService() {
		return service;
	}

	@Override
	public void setPrintService(PrintService service) throws PrinterException {
	}

}