基于FlashPaper实现JSP在线阅读代码示例
package com.xidian.cui.util;
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.text.SimpleDateFormat;
import java.util.Date;
import javax.servlet.http.HttpServletRequest;
/**
* @说明 将文件转为SWF
* @author cuisuqiang
* @version 1.0
* @since 关注新浪微博：@java小强
*/
public class FlashPaper extends Thread {
@SuppressWarnings("deprecation")
public static String converter(File srcFile,String fileContentType,String fileFileName, HttpServletRequest request) {
String uploadPath = request.getRealPath("/");
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
String dataFile = format.format(new Date());
uploadPath += "swfTemp\" + dataFile;
File f = new File(uploadPath);
if (!f.exists() && !f.isDirectory()) {
f.mkdirs();
}
// SWF 放到服务器下
String filename = uploadPath + "\" + fileFileName + ".swf";
File file = new File(filename);
if(file.exists()){
return "swfTemp/" + dataFile + "/" + fileFileName + ".swf";
}
// 要转换的文件 放到临时目录
String docTempFileName = "C:\" + String.valueOf(new Date().getTime()) + fileContentType;
File docTempFile = new File(docTempFileName);
copyFile(srcFile, docTempFile);
// 转换后的文件 放到临时目录
String swfTempFileName = "C:\" + String.valueOf(new Date().getTime()) + ".swf";
File swfTempFile = new File(swfTempFileName);
try {
String converter = "C:\Program Files\Macromedia\FlashPaper 2\FlashPrinter.exe -o " + swfTempFile.getAbsolutePath() + " " + docTempFile.getAbsolutePath();
Runtime pro = Runtime.getRuntime();
pro.exec(converter);
// 注意，为了测试，这里只要没有转换工程，就一直等待
while(true){
if(!swfTempFile.exists()){
Thread.sleep(1000);
continue;
}
copyFile(swfTempFile, file);
// 删除临时文件
swfTempFile.delete();
docTempFile.delete();
return "swfTemp/" + dataFile + "/" + fileFileName + ".swf";
}
} catch (Exception e) {
System.out.println("执行失败");
e.printStackTrace();
}
return "";
}
private static final int BUFFER_SIZE = 102400;
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();
}
}
}