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file-online-preview
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Code Issues Releases Wiki Activity

精简util模块，ReturenResponse重构

This commit is contained in:
chenkailing 2020-12-27 14:06:06 +08:00
parent 594bd895ec
commit 38429b476e
24 changed files with 251 additions and 262 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
server/src/main/java/cn/keking/service/ConfigRefreshComponent.java → server/src/main/java/cn/keking/config/ConfigRefreshComponent.java
View File

@ -1,7 +1,5 @@
package cn.keking.service;
package cn.keking.config;
import cn.keking.config.ConfigConstants;
import cn.keking.config.WatermarkConfigConstants;
import org.artofsolving.jodconverter.office.OfficeUtils;
import org.artofsolving.jodconverter.util.ConfigUtils;
import org.slf4j.Logger;
@ -13,6 +11,7 @@ import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.Properties;
import java.util.concurrent.TimeUnit;
/**
* @auther: chenjh
@ -81,7 +80,7 @@ public class ConfigRefreshComponent {
setWatermarkConfig(properties);
bufferedReader.close();
fileReader.close();
Thread.sleep(1000L);
TimeUnit.SECONDS.sleep(1);
}
} catch (IOException | InterruptedException e) {
LOGGER.error("读取配置文件异常", e);

10
server/src/main/java/cn/keking/utils/ShedulerClean.java → server/src/main/java/cn/keking/config/SchedulerCleanConfig.java
View File

@ -1,7 +1,7 @@
package cn.keking.utils;
package cn.keking.config;
import cn.keking.config.ConfigConstants;
import cn.keking.service.cache.CacheService;
import cn.keking.utils.FileUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
@ -14,13 +14,13 @@ import org.springframework.stereotype.Component;
*/
@Component
@ConditionalOnExpression("'${cache.clean.enabled:false}'.equals('true')")
public class ShedulerClean {
public class SchedulerCleanConfig {
private final Logger logger = LoggerFactory.getLogger(ShedulerClean.class);
private final Logger logger = LoggerFactory.getLogger(SchedulerCleanConfig.class);
private final CacheService cacheService;
public ShedulerClean(CacheService cacheService) {
public SchedulerCleanConfig(CacheService cacheService) {
this.cacheService = cacheService;
}

18
server/src/main/java/cn/keking/model/FileType.java
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@ -50,9 +50,25 @@ public enum FileType {
FILE_TYPE_MAPPER.put("dwg", FileType.cad);
}
public static FileType to(String fileType){
private static FileType to(String fileType){
return FILE_TYPE_MAPPER.getOrDefault(fileType,other);
}
/**
* 查看文件类型(防止参数中存在.点号或者其他特殊字符，所以先抽取文件名，然后再获取文件类型)
*
* @param url url
* @return 文件类型
*/
public static FileType typeFromUrl(String url) {
String nonPramStr = url.substring(0, url.contains("?") ? url.indexOf("?") : url.length());
String fileName = nonPramStr.substring(nonPramStr.lastIndexOf("/") + 1);
return typeFromFileName(fileName);
}
public static FileType typeFromFileName(String fileName) {
String fileType = fileName.substring(fileName.lastIndexOf(".") + 1);
return FileType.to(fileType);
}
private final String instanceName;

33
server/src/main/java/cn/keking/model/ReturnResponse.java
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@ -4,11 +4,18 @@ import java.io.Serializable;
/**
* 接口返回值结构
*
* @author yudian-it
* @date 2017/11/17
*/
public class ReturnResponse<T> implements Serializable{
public class ReturnResponse<T> implements Serializable {
private static final long serialVersionUID = 313975329998789878L;
public static final int SUCCESS_CODE = 0;
public static final int FAILURE_CODE = 1;
public static final String SUCCESS_MSG = "SUCCESS";
public static final String FAILURE_MSG = "FAILURE";
/**
* 返回状态
* 0. 成功
@ -31,6 +38,30 @@ public class ReturnResponse<T> implements Serializable{
this.content = content;
}
public static ReturnResponse<Object> failure(String errMsg) {
return new ReturnResponse<>(FAILURE_CODE, errMsg, null);
}
public static ReturnResponse<Object> failure() {
return failure(FAILURE_MSG);
}
public static ReturnResponse<Object> success(){
return success(null);
}
public static ReturnResponse<Object> success(Object content) {
return new ReturnResponse<>(SUCCESS_CODE, SUCCESS_MSG, content);
}
public boolean isSuccess(){
return SUCCESS_CODE == code;
}
public boolean isFailure(){
return !isSuccess();
}
public int getCode() {
return code;
}

6
server/src/main/java/cn/keking/service/CompressFileReader.java
View File

@ -67,7 +67,7 @@ public class CompressFileReader {
}
String parentName = getLast2FileName(fullName, archiveSeparator, archiveFileName);
parentName = (level - 1) + "_" + parentName;
FileType type = fileHandlerService.typeFromUrl(childName);
FileType type = FileType.typeFromUrl(childName);
if (type.equals(FileType.picture)) {//添加图片文件到图片列表
imgUrls.add(baseUrl + childName);
}
@ -120,7 +120,7 @@ public class CompressFileReader {
headersToBeExtracted.add(Collections.singletonMap(childName, header));
}
String parentName = getLast2FileName(fullName, "\\", archiveFileName);
FileType type = fileHandlerService.typeFromUrl(childName);
FileType type = FileType.typeFromUrl(childName);
if (type.equals(FileType.picture)) {//添加图片文件到图片列表
imgUrls.add(baseUrl + childName);
}
@ -163,7 +163,7 @@ public class CompressFileReader {
}
String parentName = getLast2FileName(fullName, archiveSeparator, archiveFileName);
parentName = (level - 1) + "_" + parentName;
FileType type = fileHandlerService.typeFromUrl(childName);
FileType type = FileType.typeFromUrl(childName);
if (type.equals(FileType.picture)) {//添加图片文件到图片列表
imgUrls.add(baseUrl + childName);
}

3
server/src/main/java/cn/keking/service/FileConvertQueueTask.java
View File

@ -10,6 +10,7 @@ import org.springframework.ui.ExtendedModelMap;
import javax.annotation.PostConstruct;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
/**
* Created by kl on 2018/1/19.
@ -70,7 +71,7 @@ public class FileConvertQueueTask {
}
} catch (Exception e) {
try {
Thread.sleep(1000*10);
TimeUnit.SECONDS.sleep(10);
} catch (Exception ex){
ex.printStackTrace();
}

147
server/src/main/java/cn/keking/service/FileHandlerService.java
View File

@ -4,13 +4,28 @@ import cn.keking.config.ConfigConstants;
import cn.keking.model.FileAttribute;
import cn.keking.model.FileType;
import cn.keking.service.cache.CacheService;
import cn.keking.utils.FileUtils;
import cn.keking.utils.WebUtils;
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.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 org.springframework.util.StringUtils;
import javax.servlet.http.HttpServletRequest;
import java.awt.image.BufferedImage;
import java.io.*;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
@ -21,10 +36,15 @@ import java.util.Map;
@Component
public class FileHandlerService {
private final Logger logger = LoggerFactory.getLogger(FileHandlerService.class);
private static final String DEFAULT_CONVERTER_CHARSET = System.getProperty("sun.jnu.encoding");
private final String fileDir = ConfigConstants.getFileDir();
private final CacheService cacheService;
@Value("${server.tomcat.uri-encoding:UTF-8}")
private String uriEncoding;
public FileHandlerService(CacheService cacheService) {
this.cacheService = cacheService;
}
@ -51,35 +71,6 @@ public class FileHandlerService {
return cacheService.getPdfImageCache(key);
}
/**
* 查看文件类型(防止参数中存在.点号或者其他特殊字符，所以先抽取文件名，然后再获取文件类型)
*
* @param url url
* @return 文件类型
*/
public FileType typeFromUrl(String url) {
String nonPramStr = url.substring(0, url.contains("?") ? url.indexOf("?") : url.length());
String fileName = nonPramStr.substring(nonPramStr.lastIndexOf("/") + 1);
return this.typeFromFileName(fileName);
}
private FileType typeFromFileName(String fileName) {
String fileType = fileName.substring(fileName.lastIndexOf(".") + 1);
return FileType.to(fileType);
}
/**
* 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 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);
}
/**
* 从路径中获取文件负
@ -174,19 +165,87 @@ public class FileHandlerService {
}
/**
* 获取文件后缀
*
* @param url url
* @return 文件后缀
* pdf文件转换成jpg图片集
* @param pdfFilePath pdf文件路径
* @param pdfName pdf文件名称
* @param baseUrl 基础访问地址
* @return 图片访问集合
*/
private String suffixFromUrl(String url) {
String nonPramStr = url.substring(0, url.contains("?") ? url.indexOf("?") : url.length());
String fileName = nonPramStr.substring(nonPramStr.lastIndexOf("/") + 1);
return suffixFromFileName(fileName);
public List<String> pdf2jpg(String pdfFilePath, String pdfName, String baseUrl) {
List<String> imageUrls = new ArrayList<>();
Integer imageCount = this.getConvertedPdfImage(pdfFilePath);
String imageFileSuffix = ".jpg";
String pdfFolder = pdfName.substring(0, pdfName.length() - 4);
String urlPrefix;
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()) {
logger.error("创建转换文件【{}】目录失败，请检查目录权限！", folder);
}
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();
this.addConvertedPdfImage(pdfFilePath, pageCount);
} catch (IOException e) {
logger.error("Convert pdf to jpg exception, pdfFilePath：{}", pdfFilePath, e);
}
return imageUrls;
}
private String suffixFromFileName(String fileName) {
return fileName.substring(fileName.lastIndexOf(".") + 1);
/**
* cad文件转pdf
* @param inputFilePath cad文件路径
* @param outputFilePath pdf输出文件路径
* @return 转换是否成功
*/
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;
}
}
/**
@ -203,12 +262,12 @@ public class FileHandlerService {
String fullFileName = WebUtils.getUrlParameterReg(url, "fullfilename");
if (StringUtils.hasText(fullFileName)) {
fileName = fullFileName;
type = this.typeFromFileName(fullFileName);
suffix = suffixFromFileName(fullFileName);
type = FileType.typeFromFileName(fullFileName);
suffix = FileUtils.suffixFromFileName(fullFileName);
} else {
fileName = getFileNameFromURL(url);
type = typeFromUrl(url);
suffix = suffixFromUrl(url);
fileName = WebUtils.getFileNameFromURL(url);
type = FileType.typeFromUrl(url);
suffix = WebUtils.suffixFromUrl(url);
}
attribute.setType(type);
attribute.setName(fileName);

6
server/src/main/java/cn/keking/extend/ControlDocumentFormatRegistry.java → server/src/main/java/cn/keking/service/OfficePluginExtendFormatRegistry.java
View File

@ -1,4 +1,4 @@
package cn.keking.extend;
package cn.keking.service;
import org.artofsolving.jodconverter.document.DocumentFamily;
import org.artofsolving.jodconverter.document.DocumentFormat;
@ -13,9 +13,9 @@ import java.util.Map;
* @author yudian-it
* @date 2017/12/5
*/
public class ControlDocumentFormatRegistry extends SimpleDocumentFormatRegistry {
public class OfficePluginExtendFormatRegistry extends SimpleDocumentFormatRegistry {
public ControlDocumentFormatRegistry() {
public OfficePluginExtendFormatRegistry() {
DocumentFormat pdf = new DocumentFormat("Portable Document Format", "pdf", "application/pdf");
pdf.setStoreProperties(DocumentFamily.TEXT, Collections.singletonMap("FilterName", "writer_pdf_Export"));
pdf.setStoreProperties(DocumentFamily.SPREADSHEET, Collections.singletonMap("FilterName", "calc_pdf_Export"));

3
server/src/main/java/cn/keking/service/OfficePluginManager.java
View File

@ -1,7 +1,6 @@
package cn.keking.service;
import com.sun.star.document.UpdateDocMode;
import cn.keking.extend.ControlDocumentFormatRegistry;
import org.apache.commons.lang3.StringUtils;
import org.artofsolving.jodconverter.OfficeDocumentConverter;
import org.artofsolving.jodconverter.office.DefaultOfficeManagerConfiguration;
@ -72,7 +71,7 @@ public class OfficePluginManager {
}
public OfficeDocumentConverter getDocumentConverter() {
OfficeDocumentConverter converter = new OfficeDocumentConverter(officeManager, new ControlDocumentFormatRegistry());
OfficeDocumentConverter converter = new OfficeDocumentConverter(officeManager, new OfficePluginExtendFormatRegistry());
converter.setDefaultLoadProperties(getLoadProperties());
return converter;
}

11
server/src/main/java/cn/keking/service/OfficeToPdfService.java
View File

@ -1,6 +1,8 @@
package cn.keking.service;
import org.artofsolving.jodconverter.OfficeDocumentConverter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import java.io.File;
@ -10,6 +12,8 @@ import java.io.File;
*/
@Component
public class OfficeToPdfService {
private final static Logger logger = LoggerFactory.getLogger(OfficeToPdfService.class);
private final OfficePluginManager officePluginManager;
public OfficeToPdfService(OfficePluginManager officePluginManager) {
@ -21,12 +25,11 @@ public class OfficeToPdfService {
}
public static void converterFile(File inputFile, String outputFilePath_end,
OfficeDocumentConverter converter) {
public static void converterFile(File inputFile, String outputFilePath_end, OfficeDocumentConverter converter) {
File outputFile = new File(outputFilePath_end);
// 假如目标路径不存在,则新建该路径
if (!outputFile.getParentFile().exists()) {
outputFile.getParentFile().mkdirs();
if (!outputFile.getParentFile().exists() && !outputFile.getParentFile().mkdirs()) {
logger.error("创建目录【{}】失败，请检查目录权限！",outputFilePath_end);
}
converter.convert(inputFile, outputFile);
}

14
server/src/main/java/cn/keking/service/cache/impl/CacheServiceRedisImpl.java vendored
View File

@ -28,19 +28,11 @@ public class CacheServiceRedisImpl implements CacheService {
}
@Override
public void initPDFCachePool(Integer capacity) {
}
public void initPDFCachePool(Integer capacity) { }
@Override
public void initIMGCachePool(Integer capacity) {
}
public void initIMGCachePool(Integer capacity) { }
@Override
public void initPdfImagesCachePool(Integer capacity) {
}
public void initPdfImagesCachePool(Integer capacity) { }
@Override
public void putPDFCache(String key, String value) {

3
server/src/main/java/cn/keking/service/cache/impl/CacheServiceRocksDBImpl.java vendored
View File

@ -31,11 +31,8 @@ public class CacheServiceRocksDBImpl implements CacheService {
}
private static final String DB_PATH = ConfigUtils.getHomePath() + File.separator + "cache";
private static final int QUEUE_SIZE = 500000;
private static final Logger LOGGER = LoggerFactory.getLogger(CacheServiceRocksDBImpl.class);
private final BlockingQueue<String> blockingQueue = new ArrayBlockingQueue<>(QUEUE_SIZE);
private RocksDB db;

28
server/src/main/java/cn/keking/service/impl/CadFilePreviewImpl.java
View File

@ -4,10 +4,8 @@ import cn.keking.config.ConfigConstants;
import cn.keking.model.FileAttribute;
import cn.keking.model.ReturnResponse;
import cn.keking.service.FilePreview;
import cn.keking.utils.CadUtils;
import cn.keking.utils.DownloadUtils;
import cn.keking.service.FileHandlerService;
import cn.keking.utils.PdfUtils;
import cn.keking.web.filter.BaseUrlFilter;
import org.springframework.stereotype.Service;
import org.springframework.ui.Model;
@ -22,43 +20,37 @@ import static cn.keking.service.impl.OfficeFilePreviewImpl.getPreviewType;
@Service
public class CadFilePreviewImpl implements FilePreview {
private final FileHandlerService fileHandlerService;
private final CadUtils cadUtils;
private final PdfUtils pdfUtils;
public CadFilePreviewImpl(FileHandlerService fileHandlerService, CadUtils cadUtils, PdfUtils pdfUtils) {
this.fileHandlerService = fileHandlerService;
this.cadUtils = cadUtils;
this.pdfUtils = pdfUtils;
}
private static final String OFFICE_PREVIEW_TYPE_IMAGE = "image";
private static final String OFFICE_PREVIEW_TYPE_ALL_IMAGES = "allImages";
private static final String FILE_DIR = ConfigConstants.getFileDir();
private final FileHandlerService fileHandlerService;
public CadFilePreviewImpl(FileHandlerService fileHandlerService) {
this.fileHandlerService = fileHandlerService;
}
@Override
public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
// 预览Type，参数传了就取参数的，没传取系统默认
String officePreviewType = model.asMap().get("officePreviewType") == null ? ConfigConstants.getOfficePreviewType() : model.asMap().get("officePreviewType").toString();
String baseUrl = BaseUrlFilter.getBaseUrl();
String suffix=fileAttribute.getSuffix();
String fileName=fileAttribute.getName();
String suffix = fileAttribute.getSuffix();
String fileName = fileAttribute.getName();
String pdfName = fileName.substring(0, fileName.lastIndexOf(".") + 1) + "pdf";
String outFilePath = FILE_DIR + pdfName;
// 判断之前是否已转换过，如果转换过，直接返回，否则执行转换
if (!fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
String filePath;
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, null);
if (0 != response.getCode()) {
if (response.isFailure()) {
model.addAttribute("fileType", suffix);
model.addAttribute("msg", response.getMsg());
return "fileNotSupported";
}
filePath = response.getContent();
if (StringUtils.hasText(outFilePath)) {
boolean convertResult = cadUtils.cadToPdf(filePath, outFilePath);
boolean convertResult = fileHandlerService.cadToPdf(filePath, outFilePath);
if (!convertResult) {
model.addAttribute("fileType", suffix);
model.addAttribute("msg", "cad文件转换异常，请联系管理员");
@ -71,7 +63,7 @@ public class CadFilePreviewImpl implements FilePreview {
}
}
if (baseUrl != null && (OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType) || OFFICE_PREVIEW_TYPE_ALL_IMAGES.equals(officePreviewType))) {
return getPreviewType(model, fileAttribute, officePreviewType, baseUrl, pdfName, outFilePath, pdfUtils, OFFICE_PREVIEW_TYPE_IMAGE);
return getPreviewType(model, fileAttribute, officePreviewType, baseUrl, pdfName, outFilePath, fileHandlerService, OFFICE_PREVIEW_TYPE_IMAGE);
}
model.addAttribute("pdfUrl", pdfName);
return "pdf";

2
server/src/main/java/cn/keking/service/impl/CompressFilePreviewImpl.java
View File

@ -34,7 +34,7 @@ public class CompressFilePreviewImpl implements FilePreview {
// 判断文件名是否存在(redis缓存读取)
if (!StringUtils.hasText(fileHandlerService.getConvertedFile(fileName)) || !ConfigConstants.isCacheEnabled()) {
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
if (0 != response.getCode()) {
if (response.isFailure()) {
model.addAttribute("fileType", suffix);
model.addAttribute("msg", response.getMsg());
return "fileNotSupported";

5
server/src/main/java/cn/keking/service/impl/MediaFilePreviewImpl.java
View File

@ -8,6 +8,7 @@ import cn.keking.service.FileHandlerService;
import cn.keking.web.filter.BaseUrlFilter;
import org.springframework.stereotype.Service;
import org.springframework.ui.Model;
/**
* @author : kl
* @authorboke : kailing.pub
@ -28,7 +29,7 @@ public class MediaFilePreviewImpl implements FilePreview {
// 不是http开头，浏览器不能直接访问，需下载到本地
if (url != null && !url.toLowerCase().startsWith("http")) {
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileAttribute.getName());
if (0 != response.getCode()) {
if (!response.isSuccess()) {
model.addAttribute("fileType", fileAttribute.getSuffix());
model.addAttribute("msg", response.getMsg());
return "fileNotSupported";
@ -39,7 +40,7 @@ public class MediaFilePreviewImpl implements FilePreview {
model.addAttribute("mediaUrl", url);
}
model.addAttribute("mediaUrl", url);
String suffix=fileAttribute.getSuffix();
String suffix = fileAttribute.getSuffix();
if ("flv".equalsIgnoreCase(suffix)) {
return "flv";
}

27
server/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java
View File

@ -7,7 +7,6 @@ import cn.keking.service.FilePreview;
import cn.keking.utils.DownloadUtils;
import cn.keking.service.FileHandlerService;
import cn.keking.service.OfficeToPdfService;
import cn.keking.utils.PdfUtils;
import cn.keking.web.filter.BaseUrlFilter;
import org.springframework.stereotype.Service;
import org.springframework.ui.Model;
@ -22,20 +21,18 @@ import java.util.List;
@Service
public class OfficeFilePreviewImpl implements FilePreview {
private final FileHandlerService fileHandlerService;
private final PdfUtils pdfUtils;
private final OfficeToPdfService officeToPdfService;
public OfficeFilePreviewImpl(FileHandlerService fileHandlerService, PdfUtils pdfUtils, OfficeToPdfService officeToPdfService) {
this.fileHandlerService = fileHandlerService;
this.pdfUtils = pdfUtils;
this.officeToPdfService = officeToPdfService;
}
public static final String OFFICE_PREVIEW_TYPE_IMAGE = "image";
public static final String OFFICE_PREVIEW_TYPE_ALL_IMAGES = "allImages";
private static final String FILE_DIR = ConfigConstants.getFileDir();
private final FileHandlerService fileHandlerService;
private final OfficeToPdfService officeToPdfService;
public OfficeFilePreviewImpl(FileHandlerService fileHandlerService, OfficeToPdfService officeToPdfService) {
this.fileHandlerService = fileHandlerService;
this.officeToPdfService = officeToPdfService;
}
@Override
public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
// 预览Type，参数传了就取参数的，没传取系统默认
@ -50,7 +47,7 @@ public class OfficeFilePreviewImpl implements FilePreview {
if (!fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
String filePath;
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, null);
if (0 != response.getCode()) {
if (response.isFailure()) {
model.addAttribute("fileType", suffix);
model.addAttribute("msg", response.getMsg());
return "fileNotSupported";
@ -69,14 +66,14 @@ public class OfficeFilePreviewImpl implements FilePreview {
}
}
if (!isHtml && baseUrl != null && (OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType) || OFFICE_PREVIEW_TYPE_ALL_IMAGES.equals(officePreviewType))) {
return getPreviewType(model, fileAttribute, officePreviewType, baseUrl, pdfName, outFilePath, pdfUtils, OFFICE_PREVIEW_TYPE_IMAGE);
return getPreviewType(model, fileAttribute, officePreviewType, baseUrl, pdfName, outFilePath, fileHandlerService, OFFICE_PREVIEW_TYPE_IMAGE);
}
model.addAttribute("pdfUrl", pdfName);
return isHtml ? "html" : "pdf";
}
static String getPreviewType(Model model, FileAttribute fileAttribute, String officePreviewType, String baseUrl, String pdfName, String outFilePath, PdfUtils pdfUtils, String officePreviewTypeImage) {
List<String> imageUrls = pdfUtils.pdf2jpg(outFilePath, pdfName, baseUrl);
static String getPreviewType(Model model, FileAttribute fileAttribute, String officePreviewType, String baseUrl, String pdfName, String outFilePath, FileHandlerService fileHandlerService, String officePreviewTypeImage) {
List<String> imageUrls = fileHandlerService.pdf2jpg(outFilePath, pdfName, baseUrl);
if (imageUrls == null || imageUrls.size() < 1) {
model.addAttribute("msg", "office转图片异常，请联系管理员");
model.addAttribute("fileType",fileAttribute.getSuffix());

11
server/src/main/java/cn/keking/service/impl/PdfFilePreviewImpl.java
View File

@ -6,7 +6,6 @@ import cn.keking.model.ReturnResponse;
import cn.keking.service.FilePreview;
import cn.keking.utils.DownloadUtils;
import cn.keking.service.FileHandlerService;
import cn.keking.utils.PdfUtils;
import cn.keking.web.filter.BaseUrlFilter;
import org.springframework.stereotype.Service;
import org.springframework.ui.Model;
@ -21,12 +20,10 @@ import java.util.List;
public class PdfFilePreviewImpl implements FilePreview {
private final FileHandlerService fileHandlerService;
private final PdfUtils pdfUtils;
private static final String FILE_DIR = ConfigConstants.getFileDir();
public PdfFilePreviewImpl(FileHandlerService fileHandlerService, PdfUtils pdfUtils) {
public PdfFilePreviewImpl(FileHandlerService fileHandlerService) {
this.fileHandlerService = fileHandlerService;
this.pdfUtils = pdfUtils;
}
@Override
@ -41,7 +38,7 @@ public class PdfFilePreviewImpl implements FilePreview {
//当文件不存在时，就去下载
if (!fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
if (0 != response.getCode()) {
if (response.isFailure()) {
model.addAttribute("fileType", suffix);
model.addAttribute("msg", response.getMsg());
return "fileNotSupported";
@ -52,7 +49,7 @@ public class PdfFilePreviewImpl implements FilePreview {
fileHandlerService.addConvertedFile(pdfName, fileHandlerService.getRelativePath(outFilePath));
}
}
List<String> imageUrls = pdfUtils.pdf2jpg(outFilePath, pdfName, baseUrl);
List<String> imageUrls = fileHandlerService.pdf2jpg(outFilePath, pdfName, baseUrl);
if (imageUrls == null || imageUrls.size() < 1) {
model.addAttribute("msg", "pdf转图片异常，请联系管理员");
model.addAttribute("fileType",fileAttribute.getSuffix());
@ -70,7 +67,7 @@ public class PdfFilePreviewImpl implements FilePreview {
if (url != null && !url.toLowerCase().startsWith("http")) {
if (!fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, pdfName);
if (0 != response.getCode()) {
if (response.isFailure()) {
model.addAttribute("fileType", suffix);
model.addAttribute("msg", response.getMsg());
return "fileNotSupported";

2
server/src/main/java/cn/keking/service/impl/PictureFilePreviewImpl.java
View File

@ -36,7 +36,7 @@ public class PictureFilePreviewImpl implements FilePreview {
// 不是http开头，浏览器不能直接访问，需下载到本地
if (url != null && !url.toLowerCase().startsWith("http")) {
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, null);
if (0 != response.getCode()) {
if (response.isFailure()) {
model.addAttribute("fileType", fileAttribute.getSuffix());
model.addAttribute("msg", response.getMsg());
return "fileNotSupported";

2
server/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java
View File

@ -27,7 +27,7 @@ public class SimTextFilePreviewImpl implements FilePreview {
public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
String fileName = fileAttribute.getName();
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
if (0 != response.getCode()) {
if (response.isFailure()) {
model.addAttribute("msg", response.getMsg());
model.addAttribute("fileType", fileAttribute.getSuffix());
return "fileNotSupported";

50
server/src/main/java/cn/keking/utils/CadUtils.java
View File

@ -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
View File

@ -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
View File

@ -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;
}
}

26
server/src/main/java/cn/keking/utils/WebUtils.java
View File

@ -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);
}
}

10
server/src/main/java/cn/keking/web/controller/FileController.java
View File

@ -28,9 +28,7 @@ public class FileController {
private final Logger logger = LoggerFactory.getLogger(FileController.class);
private final String fileDir = ConfigConstants.getFileDir();
private final String demoDir = "demo";
private final String demoPath = demoDir + File.separator;
@RequestMapping(value = "fileUpload", method = RequestMethod.POST)
@ -49,7 +47,7 @@ public class FileController {
}
// 判断是否存在同名文件
if (existsFile(fileName)) {
return new ObjectMapper().writeValueAsString(new ReturnResponse<String>(1, "存在同名文件，请先删除原有文件再次上传", null));
return new ObjectMapper().writeValueAsString(ReturnResponse.failure("存在同名文件，请先删除原有文件再次上传"));
}
File outFile = new File(fileDir + demoPath);
if (!outFile.exists() && !outFile.mkdirs()) {
@ -58,10 +56,10 @@ public class FileController {
logger.info("上传文件：{}", fileDir + demoPath + fileName);
try(InputStream in = file.getInputStream(); OutputStream out = new FileOutputStream(fileDir + demoPath + fileName)) {
StreamUtils.copy(in, out);
return new ObjectMapper().writeValueAsString(new ReturnResponse<String>(0, "SUCCESS", null));
return new ObjectMapper().writeValueAsString(ReturnResponse.success(null));
} catch (IOException e) {
logger.error("文件上传失败", e);
return new ObjectMapper().writeValueAsString(new ReturnResponse<String>(1, "FAILURE", null));
return new ObjectMapper().writeValueAsString(ReturnResponse.failure());
}
}
@ -75,7 +73,7 @@ public class FileController {
if (file.exists() && !file.delete()) {
logger.error("删除文件【{}】失败，请检查目录权限！",file.getPath());
}
return new ObjectMapper().writeValueAsString(new ReturnResponse<String>(0, "SUCCESS", null));
return new ObjectMapper().writeValueAsString(ReturnResponse.success());
}
@RequestMapping(value = "listFiles", method = RequestMethod.GET)