利用FlashPaper实现类似百度文库功能Demo

package action; import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; import java.util.UUID; import util.ClearTemp; import util.FlashPaper; import com.opensymphony.xwork2.ActionSupport; import constant.Constant; /** * * <p>Title: FileUploadAction.java</p> * * <p>Description: </p> * * <p>Date: Jul 8, 2011</p> * * <p>Time: 2:22:05 PM</p> * * <p>Copyright: 2011</p> * * <p>Company: HuajuN</p> * * @author 刘玉华 * @version 1.0 * * <p>============================================</p> * <p>Modification History * <p>Mender: </p> * <p>Date: </p> * <p>Reason: </p> * <p>============================================</p> */ public class FileUploadAction extends ActionSupport { private static final long serialVersionUID = 572146812454l; private static final int BUFFER_SIZE = 1024; private File file; private String fileContentType; private String fileFileName; private boolean flag; private String imageFileName; private Constant con=new Constant(); /** * 获得上传文件后缀 * @param fileContentType */ public void setFileContentType(String fileContentType) { if (fileContentType.contains("msword")) { this.fileContentType = ".doc"; } else if (fileContentType.contains("excel")) { this.fileContentType = ".xls"; } else if (fileContentType.contains("pdf")) { this.fileContentType = ".pdf"; } else if (fileContentType.contains("powerpoint")) { this.fileContentType = ".ppt"; } else { this.fileContentType = ".doc"; } } /** * copy文件src至dir * @param src * @param dir */ private static void copyFile(File src, File dir) { try { InputStream input = null; OutputStream output = null; try { input = new BufferedInputStream(new FileInputStream(src), BUFFER_SIZE); output = new BufferedOutputStream(new FileOutputStream(dir),BUFFER_SIZE); byte[] buffer = new byte[BUFFER_SIZE]; while (input.read(buffer) > 0) { output.write(buffer); } } catch (Exception e) { e.printStackTrace(); } finally { if (null != input) { input.close(); } if (null != output) { output.close(); } } } catch (Exception e) { e.printStackTrace(); } } /** * 上传 转换 * @return */ public String upload() { imageFileName = createID(); File dirFile = new File(con.getDocfolderpath() + imageFileName + this.getFileContentType()); copyFile(file, dirFile); int fileSize = 0; try { fileSize = new FileInputStream(file).available() / 1024; } catch (Exception e) { e.printStackTrace(); } //上传文件名和swf文件名一致 flag = FlashPaper.converter(imageFileName, imageFileName + this.getFileContentType(), fileSize); ClearTemp.clearTemp();//手动清除上传缓存文件 return "suc"; } /** * 随机生成32位字符串 * * @return str */ private String createID() { String uu = UUID.randomUUID().toString(); String[] uus = uu.split("-"); String str = ""; for (int i = 0; i < uus.length; i++) { str += uus[i]; } return str; } //setter and getter public boolean isFlag() { return flag; } public void setFlag(boolean flag) { this.flag = flag; } public String getFileFileName() { return fileFileName; } public void setFileFileName(String fileFileName) { this.fileFileName = fileFileName; } public File getFile() { return file; } public void setFile(File file) { this.file = file; } public String getImageFileName() { return imageFileName; } public void setImageFileName(String imageFileName) { this.imageFileName = imageFileName; } public String getFileContentType() { return fileContentType; } }