impl/src/main/java/org/apache/myfaces/resource/TempDirFileCacheContractResourceLoader.java [75:99]:
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    protected void initialize()
    {
        //Get startup FacesContext
        FacesContext facesContext = FacesContext.getCurrentInstance();
    
        //1. Create temporal directory for temporal resources
        Map<String, Object> applicationMap = facesContext.getExternalContext().getApplicationMap();
        File tempdir = (File) applicationMap.get(ServletContext.TEMPDIR);
        File imagesDir = new File(tempdir, TEMP_FOLDER_BASE_DIR);
        if (!imagesDir.exists())
        {
            imagesDir.mkdirs();
        }
        else
        {
            //Clear the cache
            deleteDir(imagesDir);
            imagesDir.mkdirs();
        }
        _tempDir = imagesDir;

        //2. Create map for register temporal resources
        Map<String, FileProducer> temporalFilesLockMap = new ConcurrentHashMap<String, FileProducer>();
        facesContext.getExternalContext().getApplicationMap().put(TEMP_FILES_LOCK_MAP, temporalFilesLockMap);
    }
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impl/src/main/java/org/apache/myfaces/resource/TempDirFileCacheResourceLoader.java [114:138]:
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    protected void initialize()
    {
        //Get startup FacesContext
        FacesContext facesContext = FacesContext.getCurrentInstance();
    
        //1. Create temporal directory for temporal resources
        Map<String, Object> applicationMap = facesContext.getExternalContext().getApplicationMap();
        File tempdir = (File) applicationMap.get(ServletContext.TEMPDIR);
        File imagesDir = new File(tempdir, TEMP_FOLDER_BASE_DIR);
        if (!imagesDir.exists())
        {
            imagesDir.mkdirs();
        }
        else
        {
            //Clear the cache
            deleteDir(imagesDir);
            imagesDir.mkdirs();
        }
        _tempDir = imagesDir;

        //2. Create map for register temporal resources
        Map<String, FileProducer> temporalFilesLockMap = new ConcurrentHashMap<>();
        facesContext.getExternalContext().getApplicationMap().put(TEMP_FILES_LOCK_MAP, temporalFilesLockMap);
    }
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