comparison: src/main/java/de/uapcore/sudoku/DocumentHandler.java
src/main/java/de/uapcore/sudoku/DocumentHandler.java
- changeset 10
- 369903afbb29
- parent 9
- 576e7a2861ae
- child 11
- f7433671fec5
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| 9:576e7a2861ae | 10:369903afbb29 |
|---|---|
| 30 import java.util.regex.Matcher; | 30 import java.util.regex.Matcher; |
| 31 import java.util.regex.Pattern; | 31 import java.util.regex.Pattern; |
| 32 | 32 |
| 33 /** | 33 /** |
| 34 * | 34 * |
| 35 * @author mike | |
| 36 */ | 35 */ |
| 37 public class DocumentHandler { | 36 public class DocumentHandler { |
| 38 | 37 |
| 39 private String filename; | 38 private String filename; |
| 40 | 39 |
| 40 /** | |
| 41 * Loads data into the specified field. | |
| 42 * | |
| 43 * @param field the field to populated with the loaded data | |
| 44 * @throws IOException if loading fails or no file name has been set before | |
| 45 * @see #setFilename(String) | |
| 46 */ | |
| 41 public void load(Field field) throws IOException { | 47 public void load(Field field) throws IOException { |
| 42 if (!isFilenameSet()) { | 48 if (!isFilenameSet()) { |
| 43 throw new IOException("no filename supplied"); | 49 throw new IOException("no filename supplied"); |
| 44 } | 50 } |
| 45 int row = 0; | 51 int row = 0; |
| 70 throw new IOException("Kein Sudoku-Feld enthalten!"); | 76 throw new IOException("Kein Sudoku-Feld enthalten!"); |
| 71 } | 77 } |
| 72 } | 78 } |
| 73 field.setAllCellsModified(false); | 79 field.setAllCellsModified(false); |
| 74 } | 80 } |
| 75 | 81 |
| 82 /** | |
| 83 * Saves the specified field to a file. | |
| 84 * | |
| 85 * @param field the field to save | |
| 86 * @throws IOException if saving fails or the file name has not been set before | |
| 87 * @see #setFilename(String) | |
| 88 */ | |
| 76 public void save(Field field) throws IOException { | 89 public void save(Field field) throws IOException { |
| 77 if (!isFilenameSet()) { | 90 if (!isFilenameSet()) { |
| 78 throw new IOException("no filename supplied"); | 91 throw new IOException("no filename supplied"); |
| 79 } | 92 } |
| 80 | 93 |
| 87 out.append(j == 8 ? '\n': ' '); | 100 out.append(j == 8 ? '\n': ' '); |
| 88 } | 101 } |
| 89 } | 102 } |
| 90 } | 103 } |
| 91 } | 104 } |
| 92 | 105 |
| 106 /** | |
| 107 * Sets the file name for loading and saving data. | |
| 108 * | |
| 109 * @param filename the file name | |
| 110 */ | |
| 93 public void setFilename(String filename) { | 111 public void setFilename(String filename) { |
| 94 this.filename = filename; | 112 this.filename = filename; |
| 95 } | 113 } |
| 96 | 114 |
| 115 /** | |
| 116 * Clears the file name. | |
| 117 */ | |
| 97 public void clearFilename() { | 118 public void clearFilename() { |
| 98 filename = null; | 119 filename = null; |
| 99 } | 120 } |
| 100 | 121 |
| 122 /** | |
| 123 * Checks whether a file name has been set. | |
| 124 * | |
| 125 * @return true if a file name is known, false otherwise | |
| 126 */ | |
| 101 public boolean isFilenameSet() { | 127 public boolean isFilenameSet() { |
| 102 return filename != null; | 128 return filename != null; |
| 103 } | 129 } |
| 104 } | 130 } |
