org.opensingular.ws.wkhtmltopdf.client.MockHtmlToPdfConverter Maven / Gradle / Ivy
/*
* Copyright (C) 2016 Singular Studios (a.k.a Atom Tecnologia) - www.opensingular.com
*
* 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.opensingular.ws.wkhtmltopdf.client;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDPageContentStream;
import org.apache.pdfbox.pdmodel.font.PDFont;
import org.apache.pdfbox.pdmodel.font.PDType1Font;
import org.opensingular.lib.commons.dto.HtmlToPdfDTO;
import org.opensingular.lib.commons.pdf.HtmlToPdfConverter;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Optional;
import java.util.UUID;
public class MockHtmlToPdfConverter implements HtmlToPdfConverter {
@Override
public Optional convert(HtmlToPdfDTO htmlToPdfDTO) {
return Optional.ofNullable(mock()).map(Path::toFile);
}
@Override
public InputStream convertStream(HtmlToPdfDTO htmlToPdfDTO) {
return null;
}
/**
* Extraido de com modificacoes
* https://pdfbox.apache.org/1.8/cookbook/documentcreation.html
*/
private Path mock() {
try (PDDocument document = new PDDocument()) {
PDPage page = new PDPage();
PDFont font = PDType1Font.COURIER;
Path tempFile = Files.createTempFile("singular-mock" + UUID.randomUUID(), ".pdf");
int fontSize = 12;
int tx = 100;
int ty = 700;
document.addPage(page);
PDPageContentStream contentStream = new PDPageContentStream(document, page);
contentStream.beginText();
contentStream.setFont(font, fontSize);
contentStream.newLineAtOffset(tx, ty);
contentStream.showText("Aplicação em modo de desenvolvimento.");
contentStream.endText();
contentStream.close();
document.save(tempFile.toFile());
return tempFile;
} catch (IOException ex) {
getLogger().error("Não foi possivel escrever o pdf mock", ex);
}
return null;
}
}