private static void EncryptDocument(string name)
{
bool isAnySuchDoc = false;
foreach (var doc in documents)
{
if (doc.Name == name)
{
isAnySuchDoc = true;
EncryptableDocument encryptableDoc = doc as EncryptableDocument;
if (encryptableDoc != null)
{
encryptableDoc.Encrypt();
Console.WriteLine("Document encrypted: {0}", encryptableDoc.Name);
}
else
{
Console.WriteLine("Document does not support encryption: {0}", doc.Name);
}
}
}
if (!isAnySuchDoc)
{
Console.WriteLine("Document not found: {0}", name);
}
}
private static void EncryptAllDocuments()
{
bool isAnyEncriptableDoc = false;
foreach (var doc in documents)
{
EncryptableDocument encryptableDoc = doc as EncryptableDocument;
if (encryptableDoc != null)
{
encryptableDoc.Encrypt();
isAnyEncriptableDoc = true;
}
}
if (isAnyEncriptableDoc)
{
Console.WriteLine("All documents encrypted");
}
else
{
Console.WriteLine("No encryptable documents found");
}
}