Class: WirisPlugin::FolderTreeStorageAndCache

Inherits:
Object
  • Object
show all
Extended by:
StorageAndCacheInterface
Includes:
Wiris
Defined in:
lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb

Constant Summary collapse

@@backwards_compat = 
true

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from StorageAndCacheInterface

StorageAndCache

Constructor Details

#initialize ⇒ FolderTreeStorageAndCache 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 19

def initialize()
  super()
end

Instance Attribute Details

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 11

def config
  @config
end

Class Method Details

.backwards_compat ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 13

def self.backwards_compat
  @@backwards_compat
end

.backwards_compat=(backwards_compat) ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 16

def self.backwards_compat=(backwards_compat)
  @@backwards_compat = backwards_compat
end

Instance Method Details

#codeDigest(content) ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 25

def codeDigest(content)
  digest = Md5Tools::encodeString(content)
  parent = getFolderStore(getAndCheckFolder(ConfigurationKeys::FORMULA_FOLDER),digest)
  parent::mkdirs()
  store = getFileStoreWithParent(parent,digest,"ini")
  store::write(content)
  return digest
end

#decodeDigest(digest) ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 33

def decodeDigest(digest)
  formula = getAndCheckFolder(ConfigurationKeys::FORMULA_FOLDER)
  store = getFileStore(formula,digest,"ini")
  if @@backwards_compat
    if !store::exists()
      oldstore = Store::newStore(((formula+"/")+digest)+".ini")
      parent = store::getParent()
      parent::mkdirs()
      oldstore::moveTo(store)
    end
  end
  return store::read()
end

#deleteCache ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 130

def deleteCache()
  formulaFolder = getAndCheckFolder(ConfigurationKeys::FORMULA_FOLDER)
  cacheFolder = getAndCheckFolder(ConfigurationKeys::CACHE_FOLDER)
  includes = Array.new()
  includes::push("png")
  includes::push("csv")
  includes::push("txt")
  if !(PropertiesTools::getProperty(@config,ConfigurationKeys::SAVE_MODE,"xml")=="image")
    includes::push("ini")
  end
  Store::deleteDirectory(formulaFolder,includes)
  Store::deleteDirectory(cacheFolder,includes)
end

#getAndCheckFolder(key) ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 73

def getAndCheckFolder(key)
  folder = PropertiesTools::getProperty(@config,key)
  if (folder==nil)||(folder::trim()::length()==0)
    raise Exception,"Missing configuration value: "+key
  end
  return folder
end

#getExtension(service) ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 80

def getExtension(service)
  if (service=="png")
    return "png"
  end
  if (service=="svg")
    return "svg"
  end
  return service+".txt"
end

#getFileStore(dir, digest, extension) ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 95

def getFileStore(dir,digest,extension)
  return getFileStoreWithParent(getFolderStore(dir,digest),digest,extension)
end

#getFileStoreWithParent(parent, digest, extension) ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 92

def getFileStoreWithParent(parent,digest,extension)
  return Store::newStoreWithParent(parent,(Std::substr(digest,4).to_s+".")+extension)
end

#getFolderStore(dir, digest) ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 89

def getFolderStore(dir,digest)
  return Store::newStore((((dir+"/")+Std::substr(digest,0,2).to_s)+"/")+Std::substr(digest,2,2).to_s)
end

#init(obj, config) ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 22

def init(obj,config)
  @config = config
end

#isFormulaFileName(name) ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 119

def isFormulaFileName(name)
  i = name::indexOf(".")
  if i==-1
    return nil
  end
  digest = Std::substr(name,0,i)
  if digest::length()!=32
    return nil
  end
  return digest
end

#retreiveData(digest, service) ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 46

def retreiveData(digest,service)
  formula = getAndCheckFolder(ConfigurationKeys::CACHE_FOLDER)
  store = getFileStore(formula,digest,getExtension(service))
  if @@backwards_compat
    if !store::exists()
      oldstore = Store::newStore((((formula+"/")+digest)+".")+getExtension(service))
      if !oldstore::exists()
        return nil
      end
      parent = store::getParent()
      parent::mkdirs()
      oldstore::moveTo(store)
    end
  else 
    if !store::exists()
      return nil
    end
  end
  return store::readBinary()::getData()
end

#storeData(digest, service, stream) ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 66

def storeData(digest,service,stream)
  formula = getAndCheckFolder(ConfigurationKeys::CACHE_FOLDER)
  parent = getFolderStore(formula,digest)
  parent::mkdirs()
  store = getFileStoreWithParent(parent,digest,getExtension(service))
  store::writeBinary(Bytes::ofData(stream))
end

#updateFoldersStructure ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 98

def updateFoldersStructure()
  updateFolderStructure(getAndCheckFolder(ConfigurationKeys::CACHE_FOLDER))
  updateFolderStructure(getAndCheckFolder(ConfigurationKeys::FORMULA_FOLDER))
end

#updateFolderStructure(dir) ⇒ Object 



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# File 'lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.rb', line 102

def updateFolderStructure(dir)
  folder = Store::newStore(dir)
  files = folder::list()
  if files!=nil
      for i in 0..files::length-1
        digest = isFormulaFileName(files[i])
        if digest!=nil
          newFolder = getFolderStore(dir,digest)
          newFolder::mkdirs()
          newFile = getFileStoreWithParent(newFolder,digest,Std::substr(files[i],files[i]::indexOf(".")+1))
          file = Store::newStoreWithParent(folder,files[i])
          file::moveTo(newFile)
        end
        i+=1
      end
  end
end