juce/source/src/io/streams/juce_FileInputSource.cpp

   1 /*
   2   ==============================================================================
   3
   4    This file is part of the JUCE library - "Jules' Utility Class Extensions"
   5    Copyright 2004-11 by Raw Material Software Ltd.
   6
   7   ------------------------------------------------------------------------------
   8
   9    JUCE can be redistributed and/or modified under the terms of the GNU General
  10    Public License (Version 2), as published by the Free Software Foundation.
  11    A copy of the license is included in the JUCE distribution, or can be found
  12    online at www.gnu.org/licenses.
  13
  14    JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
  15    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  16    A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  17
  18   ------------------------------------------------------------------------------
  19
  20    To release a closed-source product which uses JUCE, commercial licenses are
  21    available: visit www.rawmaterialsoftware.com/juce for more information.
  22
  23   ==============================================================================
  24 */
  25
  26 #include "../../core/juce_StandardHeader.h"
  27
  28 BEGIN_JUCE_NAMESPACE
  29
  30 #include "juce_FileInputSource.h"
  31 #include "../files/juce_FileInputStream.h"
  32
  33
  34 //==============================================================================
  35 FileInputSource::FileInputSource (const File& file_, bool useFileTimeInHashGeneration_)
  36     : file (file_), useFileTimeInHashGeneration (useFileTimeInHashGeneration_)
  37 {
  38 }
  39
  40 FileInputSource::~FileInputSource()
  41 {
  42 }
  43
  44 InputStream* FileInputSource::createInputStream()
  45 {
  46     return file.createInputStream();
  47 }
  48
  49 InputStream* FileInputSource::createInputStreamFor (const String& relatedItemPath)
  50 {
  51     return file.getSiblingFile (relatedItemPath).createInputStream();
  52 }
  53
  54 int64 FileInputSource::hashCode() const
  55 {
  56     int64 h = file.hashCode();
  57
  58     if (useFileTimeInHashGeneration)
  59         h ^= file.getLastModificationTime().toMilliseconds();
  60
  61     return h;
  62 }
  63
  64
  65 END_JUCE_NAMESPACE