@Override
public void onCompleted(ConvertTask task) {
SharedFile sf = this.taskTagFileMap.get(task.getTaskTag());
if (null == sf) {
return;
}
Logger.d(
this.getClass(),
" ConvertTask: taskTag: "
+ task.getTaskTag()
+ " state : "
+ task.getStateCode().getDescription()
+ " "
+ " FileURIList : "
+ task.getConvertedFileURIList().toString());
List<String> uriList = task.getConvertedFileURIList();
// 组装图片访问 URL
for (String uri : uriList) {
String url = this.fileUrlPrefix + uri;
sf.appendUrl(url);
}
sf.getHttpSession().setAttribute("file", sf.toJSON());
sf.getHttpSession().setAttribute("convertstate", "completed");
this.taskTagFileMap.remove(task.getTaskTag());
}
@Override
public void onExecuting(ConvertTask task) {
SharedFile sf = this.taskTagFileMap.get(task.getTaskTag());
if (null != sf) {
Logger.d(this.getClass(), " ConvertTask: " + task.getTaskTag() + " Executing");
sf.getHttpSession().setAttribute("convertstate", "executing");
}
}
protected String startConverting(SharedFile file) {
Logger.d(this.getClass(), "startConverting:" + file.getAliasFile().getAbsolutePath());
ConvertTask task = new ConvertTask(file.getAliasFile().getAbsolutePath(), this.workPath);
taskTagFileMap.put(task.getTaskTag(), file);
ConvertTool.getInstance().addConvertTask(task);
return task.getTaskTag();
}
/**
* Closes this input stream and releases any system resources associated with the stream.
*
* @exception IOException if an I/O error occurs.
*/
public void close() throws IOException {
if (in == null) return;
try {
if (master) sf.forceClose();
else sf.close();
} finally {
sf = null;
in = null;
buf = null;
}
}
private SharedFile existSharedFile(String filename) {
SharedFile sharedFile = null;
if (!this.sharedFileList.isEmpty()) {
for (SharedFile sf : this.sharedFileList) {
if (sf.getOriginFile().getName().equals(filename)) {
sharedFile = sf;
break;
}
}
}
return sharedFile;
}
private void init(SharedFile sf, int size) throws IOException {
this.sf = sf;
this.in = sf.open();
this.start = 0;
this.datalen = in.length(); // XXX - file can't grow
this.bufsize = size;
buf = new byte[size];
}
/** Used internally by the <code>newStream</code> method. */
private SharedFileInputStream(SharedFile sf, long start, long len, int bufsize) {
super(null);
this.master = false;
this.sf = sf;
this.in = sf.open();
this.start = start;
this.bufpos = start;
this.datalen = len;
this.bufsize = bufsize;
buf = new byte[bufsize];
}
@Override
public void onTaskFailed(ConvertTask task, StateCode code) {
// TODO 转换失败
SharedFile sf = this.taskTagFileMap.get(task.getTaskTag());
if (null == sf) {
// TODO Error
return;
}
Logger.d(
this.getClass(),
" ConvertTask: "
+ task.getTaskTag()
+ " Failed : "
+ code.getDescription()
+ " FailCode: "
+ task.getFaileCode()
+ " FileURIList : "
+ task.getConvertedFileURIList().toString());
sf.getHttpSession().setAttribute("convertstate", "failed");
this.taskTagFileMap.remove(task.getTaskTag());
}
/**
* 接收文件数据。
*
* @param name
* @param request
*/
public void receive(String name, HttpServletRequest request) {
ServletFileUpload upload = new ServletFileUpload(this.factory);
upload.setSizeMax(this.fileSizeMax);
upload.setHeaderEncoding("UTF-8");
// 设置文件上传进度监听器
FileProgressListener pl = new FileProgressListener(name, request.getSession());
upload.setProgressListener(pl);
try {
List<FileItem> items = upload.parseRequest(request);
for (FileItem item : items) {
if (!item.isFormField()) {
// 原始文件名
String originFileName = item.getName();
// 文件后缀名
String extension = FileUtils.extractFileExtension(originFileName);
// 文件别名
String aliasFileName = Utils.randomString(32) + "." + extension;
FileType fileType = FileType.parseType(extension);
if (FileType.UNKNOWN != fileType) {
// 存储路径
String strFilePath = this.storePath + name + "/";
// 创建工作目录
File filePath = new File(this.workPath + name + "/");
if (!filePath.exists()) {
filePath.mkdirs();
}
// 创建存储目录
filePath = new File(strFilePath);
if (!filePath.exists()) {
filePath.mkdirs();
}
filePath = null;
// 删除相同文件
SharedFile sf = this.existSharedFile(originFileName);
if (null != sf) {
sf.delete();
this.removeSharedFile(sf);
}
// 原文件
File originFile = new File(strFilePath, originFileName);
// 别名文件
File aliasFile = new File(this.workPath + name + "/", aliasFileName);
sf = new SharedFile(name, originFile, aliasFile, fileType, request.getSession());
// 添加分享文件
this.addSharedFile(sf);
synchronized (pl.files) {
pl.files.add(sf);
}
// 写文件
item.write(originFile);
request.getSession().setAttribute("name", name);
request.getSession().setAttribute("filename", originFileName);
} else {
// 不支持的类型
Logger.w(this.getClass(), "不支持的文件类型: " + originFileName);
request.getSession().setAttribute("name", name);
request.getSession().setAttribute("filename", originFileName);
request.getSession().setAttribute("state", 300);
}
}
}
// 结束
pl.finish();
} catch (FileUploadException e) {
Logger.log(this.getClass(), e, LogLevel.ERROR);
} catch (Exception e) {
Logger.log(this.getClass(), e, LogLevel.ERROR);
}
}