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精简util模块，ReturenResponse重构

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chenkailing
2020-12-27 14:06:06 +08:00
committed by kl
parent 594bd895ec
commit 1f1970232b
24 changed files with 251 additions and 262 deletions
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50
server/src/main/java/cn/keking/utils/CadUtils.java
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@@ -1,50 +0,0 @@
package cn.keking.utils;
import com.aspose.cad.Color;
import com.aspose.cad.fileformats.cad.CadDrawTypeMode;
import com.aspose.cad.imageoptions.CadRasterizationOptions;
import com.aspose.cad.imageoptions.PdfOptions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.OutputStream;
/**
* @author chenjhc
* @since 2019/11/21 14:34
*/
@Component
public class CadUtils {
private final Logger logger = LoggerFactory.getLogger(CadUtils.class);
public boolean cadToPdf(String inputFilePath, String outputFilePath) {
com.aspose.cad.Image cadImage = com.aspose.cad.Image.load(inputFilePath);
CadRasterizationOptions cadRasterizationOptions = new CadRasterizationOptions();
cadRasterizationOptions.setLayouts(new String[]{"Model"});
cadRasterizationOptions.setNoScaling(true);
cadRasterizationOptions.setBackgroundColor(Color.getWhite());
cadRasterizationOptions.setPageWidth(cadImage.getWidth());
cadRasterizationOptions.setPageHeight(cadImage.getHeight());
cadRasterizationOptions.setPdfProductLocation("center");
cadRasterizationOptions.setAutomaticLayoutsScaling(true);
cadRasterizationOptions.setDrawType(CadDrawTypeMode.UseObjectColor);
PdfOptions pdfOptions = new PdfOptions();
pdfOptions.setVectorRasterizationOptions(cadRasterizationOptions);
File outputFile = new File(outputFilePath);
OutputStream stream;
try {
stream = new FileOutputStream(outputFile);
cadImage.save(stream, pdfOptions);
cadImage.close();
return true;
} catch (FileNotFoundException e) {
logger.error("PDFFileNotFoundException，inputFilePath：{}", inputFilePath, e);
return false;
}
}
}

10
server/src/main/java/cn/keking/utils/FileUtils.java
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@@ -57,6 +57,16 @@ public class FileUtils {
}
}
/**
* 通过文件名获取文件后缀
* @param fileName 文件名称
* @return 文件后缀
*/
public static String suffixFromFileName(String fileName) {
return fileName.substring(fileName.lastIndexOf(".") + 1);
}
/**
* 根据文件路径删除文件
*

79
server/src/main/java/cn/keking/utils/PdfUtils.java
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@@ -1,79 +0,0 @@
package cn.keking.utils;
import cn.keking.service.FileHandlerService;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.rendering.ImageType;
import org.apache.pdfbox.rendering.PDFRenderer;
import org.apache.pdfbox.tools.imageio.ImageIOUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
@Component
public class PdfUtils {
private final Logger logger = LoggerFactory.getLogger(PdfUtils.class);
private final FileHandlerService fileHandlerService;
@Value("${server.tomcat.uri-encoding:UTF-8}")
private String uriEncoding;
public PdfUtils(FileHandlerService fileHandlerService) {
this.fileHandlerService = fileHandlerService;
}
public List<String> pdf2jpg(String pdfFilePath, String pdfName, String baseUrl) {
List<String> imageUrls = new ArrayList<>();
Integer imageCount = fileHandlerService.getConvertedPdfImage(pdfFilePath);
String imageFileSuffix = ".jpg";
String pdfFolder = pdfName.substring(0, pdfName.length() - 4);
String urlPrefix = null;
try {
urlPrefix = baseUrl + URLEncoder.encode(URLEncoder.encode(pdfFolder, uriEncoding).replaceAll("\\+", "%20"), uriEncoding);
} catch (UnsupportedEncodingException e) {
logger.error("UnsupportedEncodingException", e);
urlPrefix = baseUrl + pdfFolder;
}
if (imageCount != null && imageCount > 0) {
for (int i = 0; i < imageCount ; i++)
imageUrls.add(urlPrefix + "/" + i + imageFileSuffix);
return imageUrls;
}
try {
File pdfFile = new File(pdfFilePath);
PDDocument doc = PDDocument.load(pdfFile);
int pageCount = doc.getNumberOfPages();
PDFRenderer pdfRenderer = new PDFRenderer(doc);
int index = pdfFilePath.lastIndexOf(".");
String folder = pdfFilePath.substring(0, index);
File path = new File(folder);
if (!path.exists()) {
path.mkdirs();
}
String imageFilePath;
for (int pageIndex = 0; pageIndex < pageCount; pageIndex++) {
imageFilePath = folder + File.separator + pageIndex + imageFileSuffix;
BufferedImage image = pdfRenderer.renderImageWithDPI(pageIndex, 105, ImageType.RGB);
ImageIOUtil.writeImage(image, imageFilePath, 105);
imageUrls.add(urlPrefix + "/" + pageIndex + imageFileSuffix);
}
doc.close();
fileHandlerService.addConvertedPdfImage(pdfFilePath, pageCount);
} catch (IOException e) {
logger.error("Convert pdf to jpg exception, pdfFilePath：{}", pdfFilePath, e);
}
return imageUrls;
}
}

37
server/src/main/java/cn/keking/utils/ShedulerClean.java
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@@ -1,37 +0,0 @@
package cn.keking.utils;
import cn.keking.config.ConfigConstants;
import cn.keking.service.cache.CacheService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
/**
* @auther: chenjh
* @since: 2019/6/11 7:45
*/
@Component
@ConditionalOnExpression("'${cache.clean.enabled:false}'.equals('true')")
public class ShedulerClean {
private final Logger logger = LoggerFactory.getLogger(ShedulerClean.class);
private final CacheService cacheService;
public ShedulerClean(CacheService cacheService) {
this.cacheService = cacheService;
}
private final String fileDir = ConfigConstants.getFileDir();
//默认每晚3点执行一次
@Scheduled(cron = "${cache.clean.cron:0 0 3 * * ?}")
public void clean() {
logger.info("Cache clean start");
cacheService.cleanCache();
FileUtils.deleteDirectory(fileDir);
logger.info("Cache clean end");
}
}

26
server/src/main/java/cn/keking/utils/WebUtils.java
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@@ -57,4 +57,30 @@ public class WebUtils {
}
return strAllParam;
}
/**
* 从url中剥离出文件名
*
* @param url 格式如：http://www.com.cn/20171113164107_月度绩效表模板(新).xls?UCloudPublicKey=ucloudtangshd@weifenf.com14355492830001993909323&Expires=&Signature=I D1NOFtAJSPT16E6imv6JWuq0k=
* @return 文件名
*/
public static String getFileNameFromURL(String url) {
// 因为url的参数中可能会存在/的情况，所以直接url.lastIndexOf("/")会有问题
// 所以先从？处将url截断，然后运用url.lastIndexOf("/")获取文件名
String noQueryUrl = url.substring(0, url.contains("?") ? url.indexOf("?") : url.length());
return noQueryUrl.substring(noQueryUrl.lastIndexOf("/") + 1);
}
/**
* 从url中获取文件后缀
*
* @param url url
* @return 文件后缀
*/
public static String suffixFromUrl(String url) {
String nonPramStr = url.substring(0, url.contains("?") ? url.indexOf("?") : url.length());
String fileName = nonPramStr.substring(nonPramStr.lastIndexOf("/") + 1);
return FileUtils.suffixFromFileName(fileName);
}
}