JobDetailPdfView.java

/*
 * Copyright 2006-2014 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jrecruiter.web.views;

import java.awt.Color;
import java.awt.Image;
import java.text.DateFormat;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang.StringUtils;
import org.jrecruiter.model.Job;
import org.jrecruiter.web.actions.util.JobDetailPageEvents;
import org.springframework.web.servlet.view.document.AbstractPdfView;

import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfPCell;
import com.lowagie.text.pdf.PdfPTable;
import com.lowagie.text.pdf.PdfWriter;

/**
 * @author Gunnar Hillert
 */
public class JobDetailPdfView extends AbstractPdfView {

	//~~~~~Initialization~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


	@Override
	protected void prepareWriter(Map<String, Object> model, PdfWriter writer,
			HttpServletRequest request) throws DocumentException {

		super.prepareWriter(model, writer, request);
		writer.setPageEvent(new JobDetailPageEvents());
	}

	//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

	@Override
	protected void buildPdfDocument(final Map<String, Object> model,
									final Document document,
									final PdfWriter pdfWriter,
									final HttpServletRequest request,
									final HttpServletResponse response)
			throws Exception {

		final Job job = (Job)model.get("job");
		final Image googleMapImage = (Image)model.get("googleMapImage");

		super.setContentType("application/pdf");

		document.addCreationDate();
		document.addAuthor("www.jRecruiter.org (Gunnar Hillert)");
		document.addTitle("jRecruiter Job Posting Detail");

		response.setHeader("Expires", "0");
		response.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");
		response.setHeader("Pragma", "public");

		if (job == null) {

			response.setHeader("Content-disposition",
					"attachment; filename=" +
					"No_Job.pdf");

			document.add(new Paragraph("No job posting found for the provided id."));
		} else {

			response.setHeader("Content-disposition",
					"attachment; filename=" + "JobDetail_" + job.getId() + ".pdf");

	   //~~~~Render Job Summary~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

			this.addPdfHeader(pdfWriter, document, "Summary");

			final PdfPTable table = new PdfPTable(2);

			table.setWidthPercentage(100);
			table.setSpacingBefore(10);

			table.setWidths(new float[]{25, 75});

			addPdfRow(table, "Job Id:", String.valueOf(job.getId()));

			final DateFormat dateFormat = DateFormat.getDateInstance(DateFormat.SHORT, request.getLocale());

			addPdfRow(table, "Updated:", String.valueOf(dateFormat.format(job.getUpdateDate())));

			if (StringUtils.isNotBlank(job.getJobTitle())) {
				addPdfRow(table, "Job Title:", job.getJobTitle());
			}
			if (StringUtils.isNotBlank(job.getBusinessName())) {
				addPdfRow(table, "Business Name:", job.getBusinessName());
			}

			if (job.getOfferedBy() != null) {
				addPdfRow(table, "Job Offered By:", job.getOfferedBy().getName());
			}

			if (StringUtils.isNotBlank(job.getRegionForDisplay())) {
				addPdfRow(table, "Job Location:", job.getRegionForDisplay());
			}

			if (StringUtils.isNotBlank(job.getIndustryForDisplay())) {
				addPdfRow(table, "Industry:", job.getIndustryForDisplay());
			}

			if (StringUtils.isNotBlank(job.getSalary())) {
				addPdfRow(table, "Salary:", job.getSalary());
			}

			if (StringUtils.isNotBlank(job.getBusinessPhone())) {
				addPdfRow(table, "Phone:", job.getBusinessPhone());
			}
			if (StringUtils.isNotBlank(job.getBusinessPhoneExtension())) {
				addPdfRow(table, "Phone Extension:", job.getBusinessPhoneExtension());
			}
			if (StringUtils.isNotBlank(job.getBusinessEmail())) {
				addPdfRow(table, "Email:", job.getBusinessEmail());
			}

			if (StringUtils.isNotBlank(job.getBusinessAddress1())) {
				addPdfRow(table, "Address 1:", job.getBusinessAddress1());
			}
			if (StringUtils.isNotBlank(job.getBusinessAddress2())) {
				addPdfRow(table, "Address 2:", job.getBusinessAddress2());
			}
			if (StringUtils.isNotBlank(job.getBusinessCity())) {
				addPdfRow(table, "City:", job.getBusinessCity());
			}

			if (StringUtils.isNotBlank(job.getBusinessState())) {
				addPdfRow(table, "State:", job.getBusinessState());
			}
			if (StringUtils.isNotBlank(job.getBusinessZip())) {
				addPdfRow(table, "Zip:", job.getBusinessZip());
			}

			addPdfRow(table, "Website:", job.getWebsite());
			document.add(table);

			//~~~~~Render Map Location if available~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

			if (job.getUsesMap() && googleMapImage != null) {

				this.addPdfHeader(pdfWriter, document, "Job Location");

				com.lowagie.text.Image img = com.lowagie.text.Image.getInstance(googleMapImage,
						Color.WHITE);
				img.scalePercent(75);
				img.setBorder(Rectangle.BOX);
				img.enableBorderSide(Rectangle.BOX);
				img.setBorderColor(Color.BLACK);
				img.setBorderWidth(1);

				document.add(img);

			}

			//~~~~~Render Job Description~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

			this.addPdfHeader(pdfWriter, document, "Job Description");

			Paragraph jobDescription = new Paragraph(job.getDescription());
			document.add(jobDescription);

			//~~~~~Render Job Restrictions~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

			if (StringUtils.isNotBlank(job.getJobRestrictions())) {
				this.addPdfHeader(pdfWriter, document, "Job Restrictions");

				Paragraph jobRestrictions = new Paragraph(job.getJobRestrictions());
				document.add(jobRestrictions);
			}
		}

	}

	//~~~~~Helper~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

	private void addPdfHeader(PdfWriter pdfWriter, Document document, String headerString) throws DocumentException {

//        final Paragraph jobLocationHeader = new Paragraph(new Phrase(headerString, FontFactory.getFont(FontFactory.HELVETICA, 14, Font.BOLD)));
//        document.add(jobLocationHeader);
//
//        float pos = pdfWriter.getVerticalPosition(false) - 2;
//
//        PdfContentByte cb = pdfWriter.getDirectContent();
//
//        cb.moveTo(document.leftMargin(), pos);
//        cb.lineTo(document.right()+document.rightMargin(), pos);
//        cb.setColorStroke(Color.RED);
//        cb.stroke();
//
//        cb.moveTo(document.leftMargin(), pos - 40);

	}

	private void addPdfRow(PdfPTable table, String label, String value) throws DocumentException {

		final PdfPCell labelCell = new PdfPCell(new Phrase(label));
		final PdfPCell valueCell = new PdfPCell(new Phrase(value));

		labelCell.disableBorderSide(PdfPCell.LEFT);
		labelCell.disableBorderSide(PdfPCell.TOP);
		labelCell.disableBorderSide(PdfPCell.RIGHT);
		labelCell.disableBorderSide(PdfPCell.BOTTOM);

		valueCell.disableBorderSide(PdfPCell.LEFT);
		valueCell.disableBorderSide(PdfPCell.TOP);
		valueCell.disableBorderSide(PdfPCell.RIGHT);
		valueCell.disableBorderSide(PdfPCell.BOTTOM);

		table.addCell(labelCell);
		table.addCell(valueCell);

	}



}