cpp/demo/book/simple_filesystem/FilesystemI.cpp

   1 // **********************************************************************
   2 //
   3 // Copyright (c) 2003-2011 ZeroC, Inc. All rights reserved.
   4 //
   5 // This copy of Ice is licensed to you under the terms described in the
   6 // ICE_LICENSE file included in this distribution.
   7 //
   8 // **********************************************************************
   9
  10 #include <IceUtil/IceUtil.h>
  11 #include <FilesystemI.h>
  12
  13 using namespace std;
  14
  15 // Slice Node::name() operation
  16
  17 std::string
  18 Filesystem::NodeI::name(const Ice::Current&)
  19 {
  20     return _name;
  21 }
  22
  23 // NodeI constructor
  24
  25 Filesystem::NodeI::NodeI(const Ice::CommunicatorPtr& communicator, const string& name, const DirectoryIPtr& parent) :
  26     _name(name), _parent(parent)
  27 {
  28     // Create an identity. The root directory has the fixed identity "RootDir"
  29     if(parent)
  30     {
  31         _id.name = IceUtil::generateUUID();
  32     }
  33     else
  34     {
  35         _id.name = "RootDir";
  36     }
  37 }
  38
  39 // NodeI activate() member function
  40
  41 void
  42 Filesystem::NodeI::activate(const Ice::ObjectAdapterPtr& a)
  43 {
  44     NodePrx thisNode = NodePrx::uncheckedCast(a->add(this, _id));
  45     if(_parent)
  46     {
  47         _parent->addChild(thisNode);
  48     }
  49 }
  50
  51 // Slice File::read() operation
  52
  53 Filesystem::Lines
  54 Filesystem::FileI::read(const Ice::Current&)
  55 {
  56     return _lines;
  57 }
  58
  59 // Slice File::write() operation
  60
  61 void
  62 Filesystem::FileI::write(const Filesystem::Lines& text, const Ice::Current&)
  63 {
  64     _lines = text;
  65 }
  66
  67 // FileI constructor
  68
  69 Filesystem::FileI::FileI(const Ice::CommunicatorPtr& communicator, const string& name, const DirectoryIPtr& parent) :
  70     NodeI(communicator, name, parent)
  71 {
  72 }
  73
  74 // Slice Directory::list() operation
  75
  76 Filesystem::NodeSeq
  77 Filesystem::DirectoryI::list(const Ice::Current& c)
  78 {
  79     return _contents;
  80 }
  81
  82 // DirectoryI constructor
  83
  84 Filesystem::DirectoryI::DirectoryI(const Ice::CommunicatorPtr& communicator, const string& name,
  85                                    const DirectoryIPtr& parent) :
  86     NodeI(communicator, name, parent)
  87 {
  88 }
  89
  90 // addChild is called by the child in order to add
  91 // itself to the _contents member of the parent
  92
  93 void
  94 Filesystem::DirectoryI::addChild(const NodePrx& child)
  95 {
  96     _contents.push_back(child);
  97 }