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package com.mandi.servlet.file.impl; |
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import java.io.File; |
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import java.io.InputStream; |
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import java.net.URL; |
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import java.nio.ByteBuffer; |
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import java.nio.channels.Channels; |
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import java.nio.channels.ReadableByteChannel; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.concurrent.locks.Lock; |
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import java.util.concurrent.locks.ReentrantLock; |
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import org.apache.log4j.Logger; |
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import org.dom4j.Document; |
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import org.dom4j.DocumentException; |
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import org.dom4j.Element; |
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import org.dom4j.io.SAXReader; |
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import org.springframework.context.annotation.Scope; |
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import org.springframework.stereotype.Service; |
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@Service("flashpaper") |
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@Scope(value="singleton") |
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public class Flashpaper extends Thread{ |
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private Logger log=Logger.getLogger(Flashpaper.class); |
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private List<File> list=null; |
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private Lock lock=null; |
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private Object obj=null; |
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private boolean executeflag=false; |
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private String flashpaperurl=null; |
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private String findflashpaper() |
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{ |
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@SuppressWarnings("rawtypes") |
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Class tc=Flashpaper.class; |
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URL turl=tc.getResource("/");//get the root path of class ,like the location where struts.xml is |
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if(turl==null) |
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return null; |
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File file=new File(turl.getPath()+"flashpaper.xml"); |
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if(!file.exists()) |
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return null; |
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SAXReader reader=new SAXReader(); |
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try { |
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Document doc=reader.read(file); |
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Element ele=doc.getRootElement(); |
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if(ele==null) |
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return null; |
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Element ele1=ele.element("flashpaher"); |
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if(ele1==null) |
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return null; |
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String path=ele1.getTextTrim(); |
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if(path!=null&&!path.isEmpty()) |
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return path; |
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} catch (DocumentException e) { |
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log.error("findflashpaper error"); |
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} |
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return null; |
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} |
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public Flashpaper() { |
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flashpaperurl=this.findflashpaper(); |
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log.info(flashpaperurl); |
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list=new ArrayList<File>(); |
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lock=new ReentrantLock(); |
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obj=new Object(); |
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executeflag=true; |
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this.start(); |
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} |
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public boolean printFile(File file) |
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{ |
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if(!file.exists()) |
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return false; |
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lock.lock(); |
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this.list.add(file); |
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lock.unlock(); |
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synchronized (obj) { |
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obj.notify(); |
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} |
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return true; |
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} |
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@Override |
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public void run() { |
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// TODO Auto-generated method stub |
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log.info("flashpaper start thread!!"); |
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// final Logger log1=this.log; |
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ProcessBuilder processbuilder=new ProcessBuilder(); |
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Map<String, String> envmap=processbuilder.environment(); |
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envmap.clear(); |
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envmap.putAll(System.getenv()); |
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while(executeflag) |
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{ |
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File file=null; |
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lock.lock(); |
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if(list.size()>0) |
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{ |
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file=list.get(0); |
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list.remove(0); |
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} |
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lock.unlock(); |
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if(file==null) |
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{ |
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synchronized (obj) { |
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try { |
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log.info("start waiting ..."); |
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obj.wait(); |
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log.info("waking..."); |
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} catch (InterruptedException e) { |
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// TODO Auto-generated catch block |
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e.printStackTrace(); |
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} |
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} |
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continue; |
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} |
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String cmd=this.flashpaperurl; |
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List<String> command = new java.util.ArrayList<String>(); |
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command.add(cmd); |
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command.add(file.getPath()); |
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command.add("-o"); |
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command.add(file.getPath()+".swf"); |
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cmd=cmd+" "+file.getPath()+" -o "+file.getPath()+".swf"; |
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Process process=null; |
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File fileparent=file.getParentFile(); |
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try { |
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if(fileparent.exists()&& fileparent.isDirectory()) |
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processbuilder.directory(fileparent); |
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process=processbuilder.command(command).start(); |
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if(process==null) |
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log.warn("can not start flashpapper"); |
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final InputStream is=process.getInputStream(); |
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final InputStream error=process.getErrorStream(); |
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final ByteBuffer bytebuffer=ByteBuffer.allocate(1024); |
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final ByteBuffer bytebuffer1=ByteBuffer.allocate(1024); |
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Thread th=new Thread(){ |
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@Override |
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public void run() { |
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// TODO Auto-generated method stub |
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ReadableByteChannel channel=Channels.newChannel(is); |
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try { |
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while(channel.read(bytebuffer)!=-1) |
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{ |
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bytebuffer.flip(); |
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bytebuffer.clear(); |
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} |
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} catch (Exception e) { |
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// TODO: handle exception |
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log.error("can't convert"); |
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e.printStackTrace(); |
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} |
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} |
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}; |
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Thread th1=new Thread(){ |
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@Override |
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public void run() { |
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// TODO Auto-generated method stub |
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ReadableByteChannel channel1=Channels.newChannel(error); |
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try { |
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while(channel1.read(bytebuffer)!=-1) |
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{ |
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bytebuffer1.flip(); |
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bytebuffer1.clear(); |
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} |
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} catch (Exception e) { |
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// TODO: handle exception |
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log.error("can't convert"); |
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e.printStackTrace(); |
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} |
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} |
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}; |
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th.setDaemon(true); |
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th.start(); |
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th1.setDaemon(true); |
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th1.start(); |
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try{ |
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int value=process.waitFor(); |
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log.info("process waitfor code is:"+value); |
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}catch (Exception e) { |
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// TODO: handle exception |
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log.error("waitfor error"+e.getMessage()); |
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} |
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}catch (Exception e) { |
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// TODO: handle exception |
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log.error("flashpaper can't convert the file"+e.getMessage()); |
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} finally{ |
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if(process!=null) |
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process.destroy(); |
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} |
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} |
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if(executeflag==false) |
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{ |
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this.list.clear(); |
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} |
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} |
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public void stopExecute() |
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{ |
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this.executeflag=false; |
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} |
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public String getFlashpaperurl() { |
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return flashpaperurl; |
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} |
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public void setFlashpaperurl(String flashpaperurl) { |
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this.flashpaperurl = flashpaperurl; |
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} |
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} |