Examples of railo.runtime.PageContextImpl

railo.runtime.PageContextImpl
page context for every page object. the PageContext is a jsp page context expanded by CFML functionality. for example you have the method getSession to get jsp combatible session object (HTTPSession) and with sessionScope() you get CFML combatible session object (Struct,Scope).

    
    Class clazz = checkPrimaryTypes(className, null);
    if(clazz!=null) return clazz;
    
    if(cl==null){
      PageContextImpl pci = (PageContextImpl) ThreadLocalPageContext.get();
      if(pci!=null){
        try {
          cl=pci.getClassLoader();
        }
        catch (IOException e) {}
      }
      if(cl==null) {
        Config config = ThreadLocalPageContext.getConfig();

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  }
  
  private void pause(String name,CFMLFactoryImpl factory,List<IFDThread> threads) {
    Struct pcs = factory.getRunningPageContexts();
    Iterator<Entry<Key, Object>> it = pcs.entryIterator();
    PageContextImpl pc;
    
    while(it.hasNext()){
      pc=(PageContextImpl) it.next().getValue();
      try {
        pc.getThread().wait();
      } catch (InterruptedException e) {
        e.printStackTrace();
      }
      threads.add(new FDThreadImpl(this,factory,name,pc));
    }

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   * @return matching thread or null
   */
  private FDThreadImpl getByNativeIdentifier(String name,CFMLFactoryImpl factory,String id) {
    Struct pcs = factory.getRunningPageContexts();
    Iterator it = pcs.entrySet().iterator();
    PageContextImpl pc;
    
    while(it.hasNext()){
      pc=(PageContextImpl) ((Entry) it.next()).getValue();
      if(equals(pc,id)) return new FDThreadImpl(this,factory,name,pc);
    }

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    return pe.getMessage();
  }
  
  public static List createExceptionStack(PageException pe) {
    StackTraceElement[] traces = pe.getStackTrace();
    PageContextImpl pc = (PageContextImpl) ThreadLocalPageContext.get();
    String template="";
    StackTraceElement trace=null;
    List list=new ArrayList();
    Resource res;
    PageSource ps;
    FDStackFrameImpl frame;
    
    
    for(int i=traces.length-1;i>=0;i--) {
      trace=traces[i];
      ps=null;
      if(trace.getLineNumber()<=0) continue;
      template=trace.getFileName();
      if(template==null || ResourceUtil.getExtension(template,"").equals("java")) continue;
      
      res = ResourceUtil.toResourceNotExisting(pc, template);
      ps = pc.toPageSource(res, null);
      
      frame = new FDStackFrameImpl(null,pc,trace,ps);
      if(ASMUtil.isOverfowMethod(trace.getMethodName())) list.set(0,frame);
      else list.add(0,frame);

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   // private static int count=0;
    
    


    private Object _callCachedWithin(PageContext pc,Collection.Key calledName, Object[] args, Struct values,boolean doIncludePath) throws PageException {
      PageContextImpl pci=(PageContextImpl) pc;
      String id = UDFUtil.callerHash(this,args,values);
      
    Cache cache = Util.getDefault(pc,ConfigImpl.CACHE_DEFAULT_FUNCTION,DEFAULT_CACHE);  
    Object o =  cache.getValue(id,null);
    
    // get from cache
    if(o instanceof UDFCacheEntry ) {
      UDFCacheEntry entry = (UDFCacheEntry)o;
      //if(entry.creationdate+properties.cachedWithin>=System.currentTimeMillis()) {
        try {
          pc.write(entry.output);
        } catch (IOException e) {
          throw Caster.toPageException(e);
        }
        return entry.returnValue;
      //}
      
      //cache.remove(id);
    }
      
    // execute the function
    BodyContent bc =  pci.pushBody();
      
      try {
        Object rtn = _call(pci,calledName, args, values, doIncludePath);
        String out = bc.getString();
        cache.put(id, new UDFCacheEntry(out, rtn),properties.cachedWithin,properties.cachedWithin);

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    }
    
    private Object _call(PageContext pc,Collection.Key calledName, Object[] args, Struct values,boolean doIncludePath) throws PageException {
      
      //print.out(count++);
      PageContextImpl pci=(PageContextImpl) pc;
      Argument newArgs= pci.getScopeFactory().getArgumentInstance();
        newArgs.setFunctionArgumentNames(properties.argumentsSet);
        LocalImpl newLocal=pci.getScopeFactory().getLocalInstance();
        
    Undefined   undefined=pc.undefinedScope();
    Argument  oldArgs=pc.argumentsScope();
        Local    oldLocal=pc.localScope();
        Collection.Key oldCalledName=pci.getActiveUDFCalledName();
        
    pc.setFunctionScopes(newLocal,newArgs);
    pci.setActiveUDFCalledName(calledName);
    
    int oldCheckArgs=undefined.setMode(properties.localMode==null?pc.getApplicationContext().getLocalMode():properties.localMode.intValue());
    PageSource psInc=null;
    try {
      PageSource ps = getPageSource();
      if(doIncludePath)psInc = ps;
      //if(!ps.getDisplayPath().endsWith("Dump.cfc"))print.e(getPageSource().getDisplayPath());
      if(doIncludePath && getOwnerComponent()!=null) {
        //if(!ps.getDisplayPath().endsWith("Dump.cfc"))print.ds(ps.getDisplayPath());
        psInc=ComponentUtil.getPageSource(getOwnerComponent());
        if(psInc==pci.getCurrentTemplatePageSource()) {
          psInc=null;
        }
        
      }
      pci.addPageSource(ps,psInc);
      pci.addUDF(this);
      
//////////////////////////////////////////
      BodyContent bc=null;
      Boolean wasSilent=null;
      boolean bufferOutput=getBufferOutput(pci);
      if(!getOutput()) {
        if(bufferOutput) bc =  pci.pushBody();
        else wasSilent=pc.setSilent()?Boolean.TRUE:Boolean.FALSE;
      }
      
        UDF parent=null;
        if(ownerComponent!=null) {
          parent=pci.getActiveUDF();
          pci.setActiveUDF(this);
        }
        Object returnValue = null;
        
        try {
          
          if(args!=null)  defineArguments(pc,getFunctionArguments(),args,newArgs);
        else       defineArguments(pc,getFunctionArguments(),values,newArgs);
          
        returnValue=implementation(pci);
        if(ownerComponent!=null)pci.setActiveUDF(parent);
      }
          catch(Throwable t) {
            if(ownerComponent!=null)pci.setActiveUDF(parent);
            if(!getOutput()) {
              if(bufferOutput)BodyContentUtil.flushAndPop(pc,bc);
              else if(!wasSilent)pc.unsetSilent();
            }
            //BodyContentUtil.flushAndPop(pc,bc);
            throw Caster.toPageException(t);
          }
          if(!getOutput()) {
            if(bufferOutput)BodyContentUtil.clearAndPop(pc,bc);
            else if(!wasSilent)pc.unsetSilent();
          }
          //BodyContentUtil.clearAndPop(pc,bc);
          
          
          
          
          if(properties.returnType==CFTypes.TYPE_ANY) return returnValue;
          else if(Decision.isCastableTo(properties.strReturnType,returnValue,false,false,-1)) return returnValue;
          else throw new UDFCasterException(this,properties.strReturnType,returnValue);
      //REALCAST return Caster.castTo(pageContext,returnType,returnValue,false);
//////////////////////////////////////////
      
    }
    finally {
      pc.removeLastPageSource(psInc!=null);
      pci.removeUDF();
            pci.setFunctionScopes(oldLocal,oldArgs);
            pci.setActiveUDFCalledName(oldCalledName);
        undefined.setMode(oldCheckArgs);
            pci.getScopeFactory().recycle(newArgs);
            pci.getScopeFactory().recycle(newLocal);
    }
  }

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    else throw new ExpressionException("The attribute duration must be greater or equal than 0, now ["+duration+"]");
    
  }


    private void doJoin() throws ApplicationException {
      PageContextImpl mpc=(PageContextImpl)getMainPageContext(pc);
    
      String[] names;
      if(lcName==null) {
        names=mpc.getThreadScopeNames();
      }
      else names=ListUtil.listToStringArray(lcName, ',');
      
      ChildThread ct;
      Threads ts;
      long start=System.currentTimeMillis(),_timeout=timeout>0?timeout:-1;
      
      for(int i=0;i<names.length;i++) {
        if(StringUtil.isEmpty(names[i],true))continue;
        //PageContextImpl mpc=(PageContextImpl)getMainPageContext(pc);
        ts = mpc.getThreadScope(names[i]);
        if(ts==null)
          throw new ApplicationException("there is no thread running with the name ["+names[i]+"], only the following threads existing ["+ListUtil.arrayToList(mpc.getThreadScopeNames(),", ")+"]");
        ct=ts.getChildThread();
        
        if(ct.isAlive()) {
          try {
          if(_timeout!=-1)ct.join(_timeout);

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        }
      }
      
    }
  private void doTerminate() throws ApplicationException {
    PageContextImpl mpc=(PageContextImpl)getMainPageContext(pc);
    
    Threads ts = mpc.getThreadScope(lcName);
    
    if(ts==null)
      throw new ApplicationException("there is no thread running with the name ["+name+"]");
    ChildThread ct = ts.getChildThread();

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     * @param config
     */
    public static void addTagMetaData(ConfigWebImpl cw) {
      if(true) return;
      
      PageContextImpl pc=null;
      try{
        pc = ThreadUtil.createPageContext(cw, DevNullOutputStream.DEV_NULL_OUTPUT_STREAM, 
        "localhost", "/","", new Cookie[0], new Pair[0], new Pair[0], new StructImpl());
        
      }
      catch(Throwable t){
        return;
      }
      PageContext orgPC = ThreadLocalPageContext.get();
      ThreadLocalPageContext.register(pc);
        try{
        TagLibTagAttr attrFileName,attrIsWeb;
          String filename;
        Boolean isWeb;
        TagLibTag tlt;
        
        TagLib[] tlds = cw.getTLDs();
        for(int i=0;i<tlds.length;i++){
          Map<String, TagLibTag> tags = tlds[i].getTags();
          Iterator<TagLibTag> it = tags.values().iterator();
          while(it.hasNext()){
            tlt = it.next();
            if("railo.runtime.tag.CFTagCore".equals(tlt.getTagClassName())) {
              attrFileName = tlt.getAttribute("__filename");
              attrIsWeb = tlt.getAttribute("__isweb");
              if(attrFileName!=null && attrIsWeb!=null) {
                filename = Caster.toString(attrFileName.getDefaultValue(),null);
                isWeb=Caster.toBoolean(attrIsWeb.getDefaultValue(),null);
                if(filename!=null && isWeb!=null) {
                  addTagMetaData(pc, tlds[i], tlt, filename,isWeb.booleanValue());
                }
              }
            }
          }
        }
      }
      catch(Throwable t){
        //t.printStackTrace();
      }
      finally{
        pc.release();
        ThreadLocalPageContext.register(orgPC);
      }
  }

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        }
        
        // call page again and
        //MetaData.getInstance(getDirectory()).add(ci.getName(), ci.getRaw());
        
        PageContextImpl pci = (PageContextImpl)pageContext;
        pci.getRootOut().doCache(ci);
          
    }

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