001/*
002Copyright (c) 2011+, HL7, Inc
003All rights reserved.
004
005Redistribution and use in source and binary forms, with or without modification, 
006are permitted provided that the following conditions are met:
007
008 * Redistributions of source code must retain the above copyright notice, this 
009   list of conditions and the following disclaimer.
010 * Redistributions in binary form must reproduce the above copyright notice, 
011   this list of conditions and the following disclaimer in the documentation 
012   and/or other materials provided with the distribution.
013 * Neither the name of HL7 nor the names of its contributors may be used to 
014   endorse or promote products derived from this software without specific 
015   prior written permission.
016
017THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
018ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
019WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
020IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
021INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
022NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
023PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
024WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
025ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
026POSSIBILITY OF SUCH DAMAGE.
027
028*/
029package org.hl7.fhir.utilities;
030
031import java.io.File;
032import java.io.IOException;
033
034/**
035 * Extends the usual Java File to make it case-sensitive: if the file to be opened has
036 * a different casing in the filesystem (but is found anyway base Windows is case-insensitive), 
037 * the constructor will throw. Allows early detection of miscased filenames.
038 * @author Ewout
039 *
040 */
041public class CSFile extends File {
042  private static final long serialVersionUID = -2017155765132460726L;
043
044  public CSFile(String pathname) throws IOException {     
045    super(pathname);
046    
047//    if (exists() && getParent() != null) 
048//    {
049//      String n = getName();
050//      File f = new File(getParent());
051//      String[] l = f.list();
052//      boolean ok = false;
053//      for (String n1 : l) {
054//        if (n1.equals(n))
055//          ok = true;
056//      }
057//      if (!ok)
058//        throw new Error("Case mismatch of file "+ pathname);
059//    }
060    
061    //EK: Original code above looked extremely wasteful: every single
062    //attempt to open a file triggers a directory listing
063    if (exists()) 
064    {
065        if(!this.getCanonicalFile().getName().equals(this.getName()))
066                throw new Error("Case mismatch of file "+ pathname+": found "+this.getCanonicalFile().getName());
067    }
068  }
069
070  
071}