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package com.fine.demo.util;
import com.google.common.base.Throwables;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.pdf.BaseFont;
import lombok.extern.slf4j.Slf4j;
import org.xhtmlrenderer.pdf.ITextFontResolver;
import org.xhtmlrenderer.pdf.ITextRenderer;
import javax.annotation.PostConstruct;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
@Slf4j
public class FileTypeConvertUtil {
public static String pdfPath;
public static String fontPath;
public static void html2pdf(String htmlFilePath, String pdfFilePath) {
try {
log.info("FileTypeConvertUtil[]html2pdf[]start! htmlFilePath:{}, pdfFilePath:{}", htmlFilePath, pdfFilePath);
String url = new File(htmlFilePath).toURI().toURL().toString();
OutputStream os = new FileOutputStream(pdfFilePath);
ITextRenderer renderer = new ITextRenderer();
renderer.setDocument(url);
String fontPath = "";
ITextFontResolver fontResolver = renderer.getFontResolver();
fontResolver.addFont(fontPath, BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
renderer.layout();
renderer.createPDF(os);
os.close();
log.info("FileTypeConvertUtil[]html2pdf[]success!");
} catch (Exception e) {
log.error("FileTypeConvertUtil[]html2pdf[]error! cause:{}", Throwables.getStackTraceAsString(e));
}
}
@PostConstruct
public void init() {
try {
log.info("FileTypeConvertUtil[]init[]make[]contractFile[]start!");
pathInit();
log.info("FileTypeConvertUtil[]init[]createPdfFile[]pdfPath:{}", pdfPath);
createPdfFile();
log.info("FileTypeConvertUtil[]init[]createFontFile[]fontPath:{}", fontPath);
createFontFile();
log.info("FileTypeConvertUtil[]init[]success!");
} catch (IOException e) {
log.error("FileTypeConvertUtil[]init[]error! cause:{}", Throwables.getStackTraceAsString(e));
}
}
private void createFontFile() throws IOException {
InputStream fontIs = this.getClass().getResourceAsStream("/pdf/simsun.ttf");
OutputStream outputStream = new FileOutputStream(new File(fontPath));
int byteCount = 0;
byte[] bytes = new byte[1024];
while ((byteCount = fontIs.read(bytes)) != -1) {
outputStream.write(bytes, 0, byteCount);
}
fontIs.close();
outputStream.close();
}
private void createPdfFile() {
File contractFile = new File(pdfPath);
if (!contractFile.exists()) {
contractFile.mkdir();
}
}
private void pathInit() {
String jarPath = this.getClass().getProtectionDomain().getCodeSource().getLocation().getPath();
String itemName = "***.jar";
if (jarPath.contains(itemName)) {
jarPath = jarPath.substring(6, jarPath.indexOf(itemName));
}
pdfPath = jarPath + "pdf";
fontPath = pdfPath + "/simsun.ttf";
}
}
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