Mercurial > hg > Sudoku / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/de/uapcore/sudoku/DocumentHandler.java	Sat Jan 26 19:34:31 2013 +0100
     1.3 @@ -0,0 +1,77 @@
     1.4 +/*
     1.5 + * Copyright 2013 Mike Becker. All rights reserved.
     1.6 + * 
     1.7 + * Redistribution and use in source and binary forms, with or without
     1.8 + * modification, are permitted provided that the following conditions are met:
     1.9 + * 
    1.10 + * 1. Redistributions of source code must retain the above copyright
    1.11 + *    notice, this list of conditions and the following disclaimer.
    1.12 + * 
    1.13 + * 2. Redistributions in binary form must reproduce the above copyright
    1.14 + *    notice, this list of conditions and the following disclaimer in the
    1.15 + *    documentation and/or other materials provided with the distribution.
    1.16 + * 
    1.17 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    1.18 + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    1.19 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.20 + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
    1.21 + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    1.22 + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    1.23 + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    1.24 + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    1.25 + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    1.26 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    1.27 + * POSSIBILITY OF SUCH DAMAGE.
    1.28 + */
    1.29 +
    1.30 +package de.uapcore.sudoku;
    1.31 +
    1.32 +import java.io.BufferedWriter;
    1.33 +import java.io.FileOutputStream;
    1.34 +import java.io.IOException;
    1.35 +import java.io.OutputStreamWriter;
    1.36 +
    1.37 +/**
    1.38 + *
    1.39 + * @author mike
    1.40 + */
    1.41 +public class DocumentHandler {
    1.42 +    
    1.43 +    private String filename;
    1.44 +    
    1.45 +    public void load(Field field) throws IOException {
    1.46 +        if (!isFilenameSet()) {
    1.47 +            throw new IOException("no filename supplied");
    1.48 +        }
    1.49 +        // TODO: implement
    1.50 +    }
    1.51 +    
    1.52 +    public void save(Field field) throws IOException {
    1.53 +        if (!isFilenameSet()) {
    1.54 +            throw new IOException("no filename supplied");
    1.55 +        }
    1.56 +        
    1.57 +        try (BufferedWriter out = new BufferedWriter(
    1.58 +                new OutputStreamWriter(new FileOutputStream(filename)))) {
    1.59 +            for (int i = 0 ; i < 9 ; i++) {
    1.60 +                int[] row = field.getRow(i);
    1.61 +                for (int j = 0 ; j < 9 ; j++) {
    1.62 +                    out.append(row[j] > 0 ? Character.forDigit(row[j], 10):'_');
    1.63 +                    out.append(j == 8 ? '\n': ' ');
    1.64 +                }
    1.65 +            }
    1.66 +        }
    1.67 +    }
    1.68 +    
    1.69 +    public void setFilename(String filename) {
    1.70 +        this.filename = filename;
    1.71 +    }
    1.72 +    
    1.73 +    public void clearFilename() {
    1.74 +        filename = null;
    1.75 +    }
    1.76 +    
    1.77 +    public boolean isFilenameSet() {
    1.78 +        return filename != null;
    1.79 +    }
    1.80 +}