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1 // This file (WarFoundryXmlSaver.cs) is a part of the IBBoard.WarFoundry.API project and is copyright 2009 IBBoard.
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2 //
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3 // The file and the library/program it is in are licensed under the GNU LGPL license, either version 3 of the License or (at your option) any later version. Please see COPYING.LGPL for more information and the full license.
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4
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0
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5 using System;
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6 using System.Collections.Generic;
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7 using System.IO;
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8 using IBBoard.Lang;
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9 using IBBoard.WarFoundry.API.Objects;
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10
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11 namespace IBBoard.WarFoundry.API.Factories.Xml
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12 {
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13 public class WarFoundryXmlSaver
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14 {
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15 //FIXME: Rework to saving files in Zips
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16 private static WarFoundryXmlSaver saver;
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17 private static List<Type> saveAsTypes;
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18 private Dictionary<WarFoundryObject, string> savePaths = new Dictionary<WarFoundryObject,string>();
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19
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20 public static WarFoundryXmlSaver GetSaver()
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21 {
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22 if (saver == null)
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23 {
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24 saveAsTypes = new List<Type>();
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25 saveAsTypes.Add(typeof(Army));
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26 saver = new WarFoundryXmlSaver();
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27 }
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28
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29 return saver;
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30 }
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31
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32 public bool SaveAs(WarFoundryObject toSave, string saveAsPath)
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33 {
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34 if (CanSaveType(toSave))
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35 {
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36 FileStream fs = null;
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37 bool success = false;
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38
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39 try
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40 {
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41 fs = new FileStream(saveAsPath, FileMode.Create, FileAccess.Write);
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42 byte[] bytes = StringManipulation.StringToBytes(CreateXmlString(toSave));
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43 fs.Write(bytes, 0, bytes.Length);
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44 fs.Flush();
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45 savePaths.Add(toSave, saveAsPath);
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46 success = true;
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47 }
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48 finally
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49 {
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50 if (fs!=null && fs.CanWrite)
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51 {
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52 fs.Close();
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53 }
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54 }
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55
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56 return success;
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57 }
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58 else
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59 {
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60 throw new ArgumentException("Cannot directly save objects of type "+toSave.GetType());
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61 }
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62 }
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63
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64 public bool Save(WarFoundryObject toSave)
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65 {
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66 if (CanSave(toSave))
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67 {
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68 return SaveAs(toSave, savePaths[toSave]);
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69 }
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70 else
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71 {
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72 throw new InvalidOperationException("Cannot save an object that has not previously been saved using SaveAs");
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73 }
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74 }
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75
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76 private string CreateXmlString(WarFoundryObject toSave)
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77 {
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78 return ""; //TODO: Create XML string as appropriate
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79 }
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80
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81 public bool CanSaveAs(WarFoundryObject obj)
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82 {
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83 return CanSaveType(obj);
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84 }
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85
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86 public bool CanSave(WarFoundryObject obj)
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87 {
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88 return savePaths.ContainsKey(obj);
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89 }
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90
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91 public bool CanSaveType(WarFoundryObject obj)
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92 {
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93 return saveAsTypes.Contains(obj.GetType());
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94 }
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95 }
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96 }
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