}
//新闻图片内容转svg
File svgFile = readIoStringToFile(newsContentPicture, svgPath);
if(svgFile != null){
//svg文件转jpg
File jpgFile = SVGConverterUtils.svgFileChangeJpg(svgFile, jpgPath);
if(jpgFile != null){
//上传jpg图片到s3
AWSCredentials awsCredentials = new BasicAWSCredentials(accessKey, secretKey);
AmazonS3 s3Client = AmazonS3ClientBuilder.standard().withRegion(clientRegion)
.withCredentials(new AWSStaticCredentialsProvider(awsCredentials)).build();
PutObjectRequest request = new PutObjectRequest(bucketName, fileName, jpgFile);
ObjectMetadata metadata = new ObjectMetadata();
metadata.addUserMetadata("x-amz-meta-title", "someTitle");
request.setMetadata(metadata);
request.setKey(fileName);
s3Client.putObject(request);
url = s3Client.getUrl(bucketName, fileName);
if (svgFile.exists()) {
svgFile.delete();
}
if (jpgFile.exists()) {
jpgFile.delete();
}
}
}
return url.toString();
}
/**
-
把IO字符串输出到文件
-
@param ioString
- @param filePath
*/
public static File readIoStringToFile(String ioString, String filePath) {
log.info("========readIoStringToFile.filePath:" + filePath);
File file = null;
FileOutputStream fos = null;
try {
file = new File(filePath);
log.info("========readIoStringToFile.file:" + file);
if (file.exists()) {
file.delete();
}else {
file.getParentFile().mkdir();
file.createNewFile();
}
fos = new FileOutputStream(file);
fos.write(ioString.getBytes("UTF-8"));
fos.flush();
} catch (Exception e) {
log.error("readIoStringToFile.Exception异常了：" + e.getMessage());
e.printStackTrace();
} finally {
if (fos != null) {
try {
fos.close();
} catch (IOException e) {
log.error("readIoStringToFile.IOException异常了：" + e.getMessage());
e.printStackTrace();
}
}
}
return file;
}
svg转jpg依赖：
<!-- https://mvnrepository.com/artifact/org.apache.xmlgraphics/batik-all -->
<dependency>
<groupId>org.apache.xmlgraphics</groupId>
<artifactId>batik-all</artifactId>
<version>1.12</version>
<type>pom</type>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.xmlgraphics/fop -->
<dependency>
<groupId>org.apache.xmlgraphics</groupId>
<artifactId>fop</artifactId>
<version>2.4</version>
</dependency>
svg转jpg的工具类：
package com.common.entity.utils;
import lombok.extern.slf4j.Slf4j;
import org.apache.batik.transcoder.*;
import org.apache.batik.transcoder.image.JPEGTranscoder;
import org.apache.batik.transcoder.image.PNGTranscoder;
import org.apache.fop.render.ps.EPSTranscoder;
import org.apache.fop.render.ps.PSTranscoder;
import org.apache.fop.svg.PDFTranscoder;
import java.io.*;
/**
-
@author zhiwei Liao
-
@version 1.0
-
@Description 利用Apache Batik实现 SVG转PDF/PNG/JPG
- @Date 2021/9/13 16:26
*/
@Slf4j
public class SVGConverterUtils {
public static void main(String[] args) throws Exception {
String svgpath = "E:\svgfile\c.svg";
File svgFile = new File(svgpath);
String name = svgFile.getName();
name = name.substring(0, name.lastIndexOf("."));
// converter.svg2PDF(new File(svgpath), new File("E:/" + name + "_SVG文件转PDF.pdf"));
// converter.svg2PNG(new File(svgpath), new File("E:/" + name + "_SVG文件转PNG.png"));
svg2JPEG(new File(svgpath), new File("E:/" + name + "_SVG文件转JPG.jpg"));
String svgCode = svg2String(new File(svgpath));
// converter.svg2PDF(svgCode, "D:/" + name + "_SVG代码转PDF.pdf");
// converter.svg2PNG(svgCode, "D:/" + name + "_SVG代码转PNG.png");
// converter.svg2JPEG(svgCode, "D:/" + name + "_SVG代码转JPG.jpg");
// converter.svg2PDF(svgCode, new FileOutputStream(new File("E:/svgfile/" + name + "_SVG代码转输出流.pdf")));
// converter.svg2PNG(svgCode, new FileOutputStream(new File("E:/svgfile/" + name + "_SVG代码转输出流.png")));
// converter.svg2JPEG(svgCode, new FileOutputStream(new File("E:/svgfile/" + name + "_SVG代码转输出流.jpg")));
// converter.svg2EPS(svgCode, new FileOutputStream(new File("E:/svgfile/" + name + "_SVG代码转输出流.eps")));
// converter.svg2PS(svgCode, new FileOutputStream(new File("E:/svgfile/" + name + "_SVG代码转输出流.ps")));
svgtoeps(svgCode, new FileOutputStream(new File("E:/svgfile/" + name + "_SVG代码转输出流.eps")));
}
public static File svgFileChangeJpg(File svgFile, String jpgPath){
log.info("========svgFileChangeJpg.jpgPath:" + jpgPath);
try {
File file = new File(jpgPath);
if (file.exists()) {
file.delete();
}else {
file.getParentFile().mkdir();
file.createNewFile();
}
log.info("========svgFileChangeJpg.jpgFile:" + file);
log.info("========svgFileChangeJpg.svgFile:" + svgFile);
svg2JPEG(svgFile, file);
return file;
} catch (Exception e) {
log.error(e.getMessage());
}
return null;
}
public static void svgtoeps(String svgCode, OutputStream os){
EPSTranscoder epsTranscoder = new EPSTranscoder();
try {
svgCode = svgCode.replaceAll(":rect", "rect");
TranscoderInput input = new TranscoderInput(new ByteArrayInputStream(svgCode.getBytes()));
TranscoderOutput output = new TranscoderOutput(os);
epsTranscoder.transcode(input, output);
os.flush();
os.close();
} catch (Exception e) {
}
}
/**
-
SVG转PNG
-
@param svgCode SVG代码
-
@param outpath 输出路径
-
@throws TranscoderException
- @throws IOException
*/
public void svg2PNG(String svgCode, String outpath) throws TranscoderException, IOException {
Transcoder transcoder = new PNGTranscoder();
svgConverte(svgCode, outpath, transcoder);
}
/**
-
SVG转PNG
-
@param svgCode SVG代码
-
@param out 输出流
-
@throws TranscoderException
- @throws IOException
*/
public void svg2PNG(String svgCode, OutputStream out) throws TranscoderException, IOException {
Transcoder transcoder = new PNGTranscoder();
svgConverte(svgCode, out, transcoder);
}
/**
-
SVG转PNG
-
@param svgFile SVG文件
-
@param outFile 输出文件
-
@throws TranscoderException
- @throws IOException
*/
public void svg2PNG(File svgFile, File outFile) throws TranscoderException, IOException {
Transcoder transcoder = new PNGTranscoder();
svgConverte(svgFile, outFile, transcoder);
}
/**
-
SVG转JPG
-
@param svgCode SVG代码
-
@param outpath 输出路径
-
@throws TranscoderException
- @throws IOException
*/
public void svg2JPEG(String svgCode, String outpath) throws TranscoderException, IOException {
Transcoder transcoder = new JPEGTranscoder();
//为防止ERROR: The JPEG quality has not been specified. Use the default one: no compression 错误，需如下配置
transcoder.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, 0.99f);
svgConverte(svgCode, outpath, transcoder);
}
/**
-
SVG转JPG
-
@param svgCode SVG代码
-
@param out 输出流
-
@throws TranscoderException
- @throws IOException
*/
public void svg2JPEG(String svgCode, OutputStream out) throws TranscoderException, IOException {
Transcoder transcoder = new JPEGTranscoder();
//为防止ERROR: The JPEG quality has not been specified. Use the default one: no compression 错误，需如下配置
transcoder.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, 0.99f);
svgConverte(svgCode, out, transcoder);
}
/**
-
SVG转JPG
-
@param svgFile SVG文件
-
@param outFile 输出文件
-
@throws TranscoderException
- @throws IOException
*/
public static void svg2JPEG(File
svgFile, File outFile) throws TranscoderException, IOException {
Transcoder transcoder = new JPEGTranscoder();
//为防止ERROR: The JPEG quality has not been specified. Use the default one: no compression 错误，需如下配置
transcoder.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, 0.99f);
svgConverte(svgFile, outFile, transcoder);
}
/**
-
SVG转PDF
-
@param svgCode SVG代码
-
@param outpath 输出路径
-
@throws TranscoderException
- @throws IOException
*/
public void svg2PDF(String svgCode, String outpath) throws TranscoderException, IOException {
Transcoder transcoder = new PDFTranscoder();
svgConverte(svgCode, outpath, transcoder);
}
/**
-
SVG转PS
-
@param svgCode
-
@param outpath
-
@throws TranscoderException
- @throws IOException
*/
public void svg2PS(String svgCode, String outpath) throws TranscoderException, IOException {
Transcoder transcoder = new PSTranscoder();
svgConverte(svgCode, outpath, transcoder);
}
/**
-
SVG转PS
-
@param svgCode SVG代码
-
@param out 输出流
-
@throws TranscoderException
- @throws IOException
*/
public void svg2PS(String svgCode, OutputStream out) throws TranscoderException, IOException {
Transcoder transcoder = new PSTranscoder();
svgConverte(svgCode, out, transcoder);
}
/**
-
SVG转EPS
-
@param svgCode SVG代码
-
@param out 输出流
-
@throws TranscoderException
- @throws IOException
*/
public void svg2EPS(String svgCode, OutputStream out) throws TranscoderException, IOException {
Transcoder transcoder = new EPSTranscoder();
svgConverte(svgCode, out, transcoder);
}
/**
-
SVG转EPS
-
@param svgCode
-
@param outpath
-
@throws TranscoderException
- @throws IOException
*/
public void svg2EPS(String svgCode, String outpath) throws TranscoderException, IOException {
Transcoder transcoder = new EPSTranscoder();
svgConverte(svgCode, outpath, transcoder);
}
/**
-
SVG转PDF
-
@param svgCode SVG代码
-
@param out 输出流
-
@throws TranscoderException
- @throws IOException
*/
public void svg2PDF(String svgCode, OutputStream out) throws TranscoderException, IOException {
Transcoder transcoder = new PDFTranscoder();
svgConverte(svgCode, out, transcoder);
}
/**
-
SVG转PDF
-
@param svgFile SVG文件
-
@param outFile 输出文件
-
@throws TranscoderException
- @throws IOException
*/
public void svg2PDF(File svgFile, File outFile) throws TranscoderException, IOException {
Transcoder transcoder = new PDFTranscoder();
svgConverte(svgFile, outFile, transcoder);
}
private void svgConverte(String svgCode, String outpath, Transcoder transcoder) throws IOException, TranscoderException {
svgConverte(svgCode, getOutputStream(outpath), transcoder);
}
private static void svgConverte(File svg, File outFile, Transcoder transcoder) throws IOException, TranscoderException {
svgConverte(svg2String(getInputStream(svg)), getOutputStream(outFile), transcoder);
}
private static void svgConverte(String svgCode, OutputStream out, Transcoder transcoder) throws IOException, TranscoderException {
svgCode = svgCode.replaceAll(":rect", "rect");
TranscoderInput input = new TranscoderInput(new ByteArrayInputStream(svgCode.getBytes()));
TranscoderOutput output = new TranscoderOutput(out);
svgConverte(input, output, transcoder);
}
private static void svgConverte(TranscoderInput input, TranscoderOutput output, Transcoder transcoder) throws IOException, TranscoderException {
transcoder.transcode(input, output);
}
public static InputStream getInputStream(File file) throws IOException {
return new FileInputStream(file);
}
public InputStream getInputStream(String filepath) throws IOException {
File file = new File(filepath);
if (file.exists())
return getInputStream(file);
else
return null;
}
public static OutputStream getOutputStream(File outFile) throws IOException {
return new FileOutputStream(outFile);
}
public OutputStream getOutputStream(String outpath) throws IOException {
File file = new File(outpath);
if (!file.exists())
file.createNewFile();
return getOutputStream(file);
}
/**
-
默认使用编码UTF-8 SVG文件输入流转String
-
@param svgFile
-
@return SVG代码
- @throws IOException
*/
public static String svg2String(File svgFile) throws IOException {
InputStream in = getInputStream(svgFile);
return svg2String(in, "UTF-8");
}
/**
-
SVG文件输入流转String
-
@param svgFile
-
@return SVG代码
- @throws IOException
*/
public String svg2String(File svgFile, String charset) throws IOException {
InputStream in = getInputStream(svgFile);
return svg2String(in, charset);
}
/**
-
默认使用编码UTF-8SVG输入流转String
-
@param in
- @return SVG代码
*/
public static String svg2String(InputStream in) {
return svg2String(in, "UTF-8");
}
/**
