[4] | 1 | package org.expeditee.io;
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| 2 |
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| 3 | import java.io.BufferedReader;
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| 4 | import java.io.FileReader;
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| 5 | import java.io.IOException;
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| 6 | import java.lang.reflect.Constructor;
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| 7 | import java.lang.reflect.InvocationTargetException;
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| 8 | import java.lang.reflect.Method;
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| 9 | import java.util.HashMap;
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| 10 | import java.util.Iterator;
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| 11 | import java.util.LinkedHashMap;
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| 12 |
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| 13 | import org.expeditee.gui.Frame;
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[121] | 14 | import org.expeditee.gui.MessageBay;
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[4] | 15 | import org.expeditee.items.Constraint;
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| 16 | import org.expeditee.items.Dot;
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| 17 | import org.expeditee.items.Item;
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| 18 | import org.expeditee.items.Line;
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| 19 | import org.expeditee.items.Text;
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[86] | 20 | import org.expeditee.stats.SessionStats;
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[4] | 21 |
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| 22 | /**
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| 23 | * Reads in KMS format files and constructs the Frame and Item objects they
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| 24 | * contain.
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| 25 | *
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| 26 | * @author jdm18
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| 27 | *
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| 28 | */
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[584] | 29 | public class KMSReader extends DefaultFrameReader {
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[4] | 30 |
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| 31 | private BufferedReader _reader = null;
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| 32 |
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| 33 | private static LinkedHashMap<String, Method> _ItemTags = null;
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| 34 |
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| 35 | private static LinkedHashMap<String, Method> _FrameTags = null;
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| 36 |
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| 37 | /**
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| 38 | * Does nothing, location must be set before use
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| 39 | */
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| 40 | public KMSReader() {
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| 41 | if (_ItemTags != null && _FrameTags != null)
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| 42 | return;
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| 43 |
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| 44 | _ItemTags = new LinkedHashMap<String, Method>();
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| 45 | _FrameTags = new LinkedHashMap<String, Method>();
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| 46 |
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| 47 | try {
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[80] | 48 | _FrameTags.put("A", Frame.class.getMethod("setName", pString));
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[4] | 49 | _FrameTags.put("V", Frame.class.getMethod("setVersion", pInt));
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| 50 | _FrameTags
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[108] | 51 | .put("p", Frame.class.getMethod("setPermission", pPermission));
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[4] | 52 | _FrameTags.put("U", Frame.class.getMethod("setOwner", pString));
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| 53 | _FrameTags.put("D", Frame.class
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| 54 | .getMethod("setDateCreated", pString));
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| 55 | _FrameTags.put("M", Frame.class.getMethod("setLastModifyUser",
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| 56 | pString));
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| 57 | _FrameTags.put("d", Frame.class.getMethod("setLastModifyDate",
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| 58 | pString));
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| 59 | _FrameTags
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| 60 | .put("F", Frame.class.getMethod("setFrozenDate", pString));
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| 61 |
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| 62 | _FrameTags.put("O", Frame.class.getMethod("setForegroundColor",
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| 63 | pColor));
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| 64 | _FrameTags.put("B", Frame.class.getMethod("setBackgroundColor",
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| 65 | pColor));
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| 66 |
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| 67 | _ItemTags.put("S", Item.class.getMethod("setID", pInt));
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| 68 | _ItemTags.put("s", Item.class.getMethod("setDateCreated", pString));
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| 69 | _ItemTags.put("d", Item.class.getMethod("setColor", pColor));
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| 70 | _ItemTags.put("G", Item.class.getMethod("setBackgroundColor",
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| 71 | pColor));
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| 72 | _ItemTags.put("P", Item.class.getMethod("setPosition", pPoint));
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| 73 | _ItemTags.put("F", Item.class.getMethod("setLink", pString));
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[176] | 74 | _ItemTags.put("J", Item.class.getMethod("setFormula", pString));
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| 75 |
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[74] | 76 | _ItemTags.put("X", Item.class.getMethod("setActions", pList));
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[4] | 77 | _ItemTags.put("x", Item.class.getMethod("setActionMark", pBool));
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| 78 | _ItemTags.put("U", Item.class.getMethod("setActionCursorEnter",
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| 79 | pList));
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| 80 | _ItemTags.put("V", Item.class.getMethod("setActionCursorLeave",
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| 81 | pList));
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| 82 | _ItemTags.put("W", Item.class.getMethod("setActionEnterFrame",
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| 83 | pList));
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| 84 | _ItemTags.put("Y", Item.class.getMethod("setActionLeaveFrame",
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| 85 | pList));
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[74] | 86 | _ItemTags.put("D", Item.class.getMethod("setData", pList));
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[4] | 87 | _ItemTags.put("u", Item.class.getMethod("setHighlight", pBool));
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| 88 | _ItemTags.put("e", Item.class.getMethod("setFillColor", pColor));
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[410] | 89 | _ItemTags.put("E", Item.class.getMethod("setGradientColor", pColor));
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| 90 | _ItemTags.put("Q", Item.class.getMethod("setGradientAngle", pInt));
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| 91 |
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[4] | 92 | _ItemTags.put("i", Item.class.getMethod("setFillPattern", pString));
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| 93 | _ItemTags.put("o", Item.class.getMethod("setOwner", pString));
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| 94 | _ItemTags.put("n", Item.class.getMethod("setLinkMark", pBool));
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| 95 | _ItemTags
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| 96 | .put("q", Item.class.getMethod("setLinkFrameset", pString));
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| 97 | _ItemTags
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| 98 | .put("y", Item.class.getMethod("setLinkTemplate", pString));
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| 99 | _ItemTags.put("g", Item.class
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| 100 | .getMethod("setLinePattern", pIntArray));
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| 101 |
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| 102 | _ItemTags.put("j", Item.class.getMethod("setArrow", pArrow));
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| 103 |
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| 104 | _ItemTags.put("f", Text.class.getMethod("setFont", pFont));
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| 105 | _ItemTags.put("t", Text.class.getMethod("setSpacing", pInt));
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[80] | 106 | _ItemTags.put("T", Text.class.getMethod("appendText", pString));
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[4] | 107 |
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| 108 | _ItemTags.put("a", Text.class.getMethod("setWordSpacing", pInt));
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| 109 | _ItemTags.put("b", Text.class.getMethod("setLetterSpacing", pInt));
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| 110 | _ItemTags.put("m", Text.class.getMethod("setInitialSpacing", pInt));
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[400] | 111 | _ItemTags.put("w", Text.class.getMethod("setWidth", pIntO));
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[97] | 112 | _ItemTags.put("k", Text.class.getMethod("setJustification", pJustification));
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[4] | 113 |
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[72] | 114 | _ItemTags.put("h", Item.class.getMethod("setThickness", pFloat));
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[4] | 115 | _ItemTags.put("l", Item.class.getMethod("setLineIDs", pString));
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[86] | 116 | _ItemTags.put("c", Item.class
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| 117 | .getMethod("setConstraintIDs", pString));
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[4] | 118 |
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| 119 | // Lines and constraints are created differently
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| 120 | _ItemTags.put("L", Line.class.getMethod("setStartItem", pItem));
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| 121 | // _ItemTags.put("g", null);
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| 122 |
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| 123 | _ItemTags.put("C", Constraint.class.getMethod("getID",
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| 124 | (Class[]) null));
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| 125 | // _ItemTags.put("s2", null);
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| 126 | } catch (SecurityException e) {
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| 127 | // TODO Auto-generated catch block
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| 128 | e.printStackTrace();
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| 129 | } catch (NoSuchMethodException e) {
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| 130 | // TODO Auto-generated catch block
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| 131 | e.printStackTrace();
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| 132 | }
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| 133 | }
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| 134 |
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| 135 | /**
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| 136 | * Determines whether a string begins with a KMS tag.
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| 137 | *
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| 138 | * @param s
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| 139 | * a line of text
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| 140 | * @return true if s begins with a KMS tag
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| 141 | */
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[67] | 142 | private static boolean isValidLine(String s) {
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[4] | 143 | return s.length() >= 3 && s.charAt(0) == '+' && s.charAt(2) == '+'
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| 144 | && Character.isLetter(s.charAt(1));
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| 145 | }
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| 146 |
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| 147 | /**
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| 148 | * Reads a KMS file with the given name from disk.
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| 149 | *
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| 150 | * @param frameName
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| 151 | * the name of the Frame to read in from a file.
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| 152 | * @return A new Frame object that contains any Items described in the file.
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| 153 | * @throws IOException
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| 154 | * Any exceptions occured by the BufferedReader.
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| 155 | */
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[298] | 156 | public Frame readFrame(BufferedReader reader) throws IOException {
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| 157 | _reader = reader;
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[4] | 158 | Frame newFrame = null;
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| 159 | String next = "";
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| 160 | boolean header = true;
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| 161 | // clear hashmap and line list
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| 162 | _data.clear();
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| 163 | _linePoints.clear();
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| 164 | // First read the header
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| 165 | try {
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| 166 | while (_reader.ready()) {
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| 167 | next = _reader.readLine();
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| 168 | if (isValidLine(next)) {
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| 169 | if (header) {
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| 170 | // Create the frame when the first +S+ is reached
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| 171 | // And set the flag to indicate the end of the header
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| 172 | if (getTag(next).equals("S")) {
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| 173 | newFrame = readFrameClass();
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| 174 | header = false;
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| 175 | _data.clear();
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| 176 | processBodyLine(newFrame, next);
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| 177 | } else
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| 178 | processHeaderLine(next);
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| 179 | } else
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| 180 | processBodyLine(newFrame, next);
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[86] | 181 | } else if (next.startsWith(SessionStats.ACTIVE_TIME_ATTRIBUTE)) {
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| 182 | try {
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| 183 | String value = next.substring(SessionStats.ACTIVE_TIME_ATTRIBUTE.length()).trim();
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| 184 | newFrame.setActiveTime(value);
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| 185 | } catch (Exception e) {
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| 186 | }
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| 187 |
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| 188 | } else if (next.startsWith(SessionStats.DARK_TIME_ATTRIBUTE)) {
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| 189 | try {
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| 190 | String value = next.substring(SessionStats.DARK_TIME_ATTRIBUTE.length()).trim();
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| 191 | newFrame.setDarkTime(value);
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| 192 | } catch (Exception e) {
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| 193 | }
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| 194 |
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[4] | 195 | }
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| 196 | }
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| 197 | } catch (Exception e) {
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| 198 | System.out.println("Error reading bodyLine: " + next + " "
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| 199 | + e.getMessage());
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[72] | 200 | e.printStackTrace();
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[4] | 201 | }
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| 202 |
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| 203 | // if the frame contains no items (Default.0 does this)
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| 204 | if (newFrame == null)
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| 205 | newFrame = readFrameClass();
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| 206 |
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| 207 | _reader.close();
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[86] | 208 | if (newFrame != null) {
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[247] | 209 | //newFrame.refreshItemPermissions();
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[4] | 210 | newFrame.setChanged(false);
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[72] | 211 | }
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[4] | 212 | return newFrame;
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| 213 | }
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| 214 |
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| 215 | // stores the data of the Item to be created next
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| 216 | private LinkedHashMap<String, String> _data = new LinkedHashMap<String, String>(
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| 217 | 20);
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| 218 |
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| 219 | // creates an item from the last batch of data read from the file
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| 220 | private Item createItem() {
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| 221 | // creates an item based on the information in the hashmap
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| 222 | try {
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| 223 | return readItemClass();
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| 224 | } catch (IOException e) {
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| 225 | // TODO Auto-generated catch block
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| 226 | e.printStackTrace();
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| 227 | }
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| 228 |
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| 229 | return null;
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| 230 | }
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| 231 |
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| 232 | // Stores points used when constructing lines
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| 233 | private HashMap<Integer, Item> _linePoints = new HashMap<Integer, Item>();
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| 234 |
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| 235 | /**
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| 236 | * Adds any lines stored in _lineStarts and _lineEnds to the given Frame.
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| 237 | *
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| 238 | * @param frame
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| 239 | * The Frame to add the newly created Line objects to.
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| 240 | */
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| 241 | private Line createLine() {
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| 242 | String s = _data.get("L");
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| 243 | _data.remove("L");
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| 244 |
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| 245 | // get the line ID and type
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| 246 | java.awt.Point idtype = separateValues(s);
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| 247 |
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| 248 | // get the end points
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| 249 | s = _data.get("s");
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| 250 | _data.remove("s");
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| 251 |
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| 252 | java.awt.Point startend = separateValues(s);
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| 253 |
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| 254 | int start = startend.x;
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| 255 | int end = startend.y;
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| 256 |
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| 257 | if (_linePoints.get(start) != null && _linePoints.get(end) != null) {
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| 258 | Line line = new Line(_linePoints.get(start), _linePoints.get(end),
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| 259 | idtype.x);
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| 260 | return line;
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| 261 | }
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| 262 |
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[86] | 263 | // System.out.println(_linePoints.size());
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| 264 | // for (int i : _linePoints.keySet())
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| 265 | // System.out.println(i + " - "
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| 266 | // + _linePoints.get(i).getClass().getSimpleName());
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| 267 | //
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| 268 | // System.out.println("Error: Line " + idtype.x
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| 269 | // + " has missing end point(s) + (Looking for: " + start + " , "
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| 270 | // + end + ")");
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[4] | 271 | return null;
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| 272 | }
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| 273 |
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| 274 | /*
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| 275 | * Creates a constraint from the data containted in _data
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| 276 | */
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| 277 | private void createConstraint() {
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| 278 | java.awt.Point idtype = separateValues(_data.get("C"));
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| 279 | java.awt.Point startend = separateValues(_data.get("s"));
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| 280 |
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[72] | 281 | Item a = _linePoints.get(startend.x);
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| 282 | Item b = _linePoints.get(startend.y);
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[4] | 283 |
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| 284 | new Constraint(a, b, idtype.x, idtype.y);
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| 285 | }
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| 286 |
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| 287 | /**
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| 288 | * Processes the body section of the KMS file, which contains all Items
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| 289 | *
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| 290 | * @param frame
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| 291 | * The Frame to add any created Items to.
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| 292 | * @param line
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| 293 | * The line of text read in from the file to process.
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| 294 | */
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| 295 | private void processBodyLine(Frame frame, String line) {
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| 296 | // separate the tag from the value
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| 297 | String tag = getTag(line);
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| 298 | line = getValue(line);
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| 299 |
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| 300 | // if this is the start of a new item, a line, or a constraint
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| 301 | // then add the last item to the frame
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| 302 | if (tag.charAt(0) == 'S' || tag.charAt(0) == 'L'
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| 303 | || tag.charAt(0) == 'C') {
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| 304 | frame.addItem(createItem());
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| 305 |
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| 306 | _data.clear();
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| 307 | _data.put(tag, line);
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| 308 | return;
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| 309 | }
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| 310 |
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| 311 | // if this is the end of the file, then add the last item to the frame
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| 312 | if (tag.charAt(0) == 'Z') {
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| 313 | frame.addItem(createItem());
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| 314 | _data.clear();
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| 315 |
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| 316 | return;
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| 317 | }
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| 318 |
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| 319 | // check for duplicate tags (multiple lines of text)
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| 320 | String newtag = tag;
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| 321 | int i = 0;
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| 322 |
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| 323 | // only executes if there are duplicate tags for this Item
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| 324 | while (_data.containsKey(newtag)) {
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| 325 | newtag = tag + i;
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| 326 | i++;
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| 327 | }
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| 328 |
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| 329 | // All values are stored in a HashMap until the end of the Item is
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| 330 | // found.
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| 331 | _data.put(newtag, line);
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| 332 | }
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| 333 |
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[67] | 334 | private static String getTag(String line) {
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[4] | 335 | assert (line.charAt(0) == '+');
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| 336 | assert (line.length() > 2);
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| 337 | return line.substring(1, 2);
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| 338 | }
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| 339 |
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[67] | 340 | private static String getValue(String line) {
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[4] | 341 | assert (line.charAt(0) == '+');
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| 342 | if (line.length() > 4)
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| 343 | return line.substring(4);
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| 344 | else
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| 345 | return "";
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| 346 | }
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| 347 |
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| 348 | /**
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| 349 | * Reads the header section of the file, which contains information about
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| 350 | * the Frame.
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| 351 | *
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| 352 | * @param frame
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| 353 | * The Frame to assign the read values to.
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| 354 | * @param line
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| 355 | * The line from the file to process.
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| 356 | * @return False if the end of the header has been reached, True otherwise.
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| 357 | */
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| 358 | private void processHeaderLine(String line) throws IOException {
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| 359 | // first separate the tag from the text
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| 360 | String tag = getTag(line);
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| 361 | String value = getValue(line);
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| 362 |
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| 363 | if (tag.equals("Z"))
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| 364 | return;
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| 365 |
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| 366 | if (_FrameTags.get(tag) == null) {
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[86] | 367 | if (!tag.equals("t") && !tag.equals("v"))
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[121] | 368 | MessageBay.errorMessage("Tag '" + tag + "' in '" + line
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[4] | 369 | + "' is not supported.");
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| 370 | return;
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| 371 | }
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| 372 |
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| 373 | _data.put(tag, value);
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| 374 | }
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| 375 |
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| 376 | // returns two ints separated by a space from the given String
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| 377 | private java.awt.Point separateValues(String line) {
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| 378 | int x = Integer.parseInt(line.substring(0, line.indexOf(" ")));
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| 379 | int y = Integer.parseInt(line.substring(line.indexOf(" ") + 1));
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| 380 |
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| 381 | return new java.awt.Point(x, y);
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| 382 | }
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| 383 |
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| 384 | private Frame readFrameClass() throws IOException {
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| 385 | if (_data.size() == 0) {
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[121] | 386 | MessageBay
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| 387 | .errorMessage("IO Error: File contains no valid KMS lines.");
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[4] | 388 | return null;
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| 389 | }
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| 390 |
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| 391 | Frame toMake = new Frame();
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| 392 | Iterator<String> it = _data.keySet().iterator();
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| 393 |
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| 394 | while (it.hasNext()) {
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| 395 | String datatag = it.next();
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| 396 |
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| 397 | Method toRun = _FrameTags.get(datatag);
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| 398 | Object[] vals = Conversion.Convert(toRun, _data.get(datatag));
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| 399 | try {
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| 400 | toRun.invoke(toMake, vals);
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| 401 | } catch (IllegalArgumentException e) {
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| 402 | // TODO Auto-generated catch block
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| 403 | e.printStackTrace();
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| 404 | } catch (IllegalAccessException e) {
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| 405 | // TODO Auto-generated catch block
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| 406 | e.printStackTrace();
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| 407 | } catch (InvocationTargetException e) {
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| 408 | // TODO Auto-generated catch block
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| 409 | e.printStackTrace();
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| 410 | }
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| 411 | }
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| 412 |
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| 413 | return toMake;
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| 414 | }
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| 415 |
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| 416 | @SuppressWarnings("unchecked")
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| 417 | private Item readItemClass() throws IOException {
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| 418 | Iterator<String> tags = _data.keySet().iterator();
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| 419 | Class toCreate = null;
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| 420 |
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| 421 | // loop through all attributes read in for this item
|
---|
| 422 | while (tags.hasNext()) {
|
---|
| 423 | String next = tags.next();
|
---|
| 424 | Method m = _ItemTags.get(next);
|
---|
| 425 | if (m != null && _ItemTags.get(next + "2") == null) {
|
---|
| 426 | if (!m.getDeclaringClass().getSimpleName().equals("Item")) {
|
---|
| 427 | toCreate = m.getDeclaringClass();
|
---|
| 428 | break;
|
---|
| 429 | }
|
---|
| 430 | }
|
---|
| 431 | }
|
---|
| 432 |
|
---|
| 433 | if (toCreate == null) {
|
---|
| 434 | if (_data.size() > 0)
|
---|
| 435 | toCreate = Dot.class;
|
---|
| 436 | else
|
---|
| 437 | return null;
|
---|
| 438 | }
|
---|
| 439 |
|
---|
| 440 | Item toMake = null;
|
---|
| 441 |
|
---|
| 442 | try {
|
---|
| 443 | if (toCreate == Line.class)
|
---|
| 444 | toMake = createLine();
|
---|
| 445 | else if (toCreate == Constraint.class) {
|
---|
| 446 | createConstraint();
|
---|
| 447 | return null;
|
---|
| 448 | } else if (toCreate == Item.class && _data.size() == 2) {
|
---|
| 449 | toCreate = Dot.class;
|
---|
| 450 | } else if (toCreate == Item.class) {
|
---|
| 451 | for (String s : _data.keySet())
|
---|
| 452 | System.out.println(s + " -> " + _data.get(s));
|
---|
| 453 | return null;
|
---|
| 454 | } else {
|
---|
| 455 | Object[] params = { -1 };
|
---|
| 456 | Constructor con = toCreate.getConstructor(int.class);
|
---|
| 457 | toMake = (Item) con.newInstance(params);
|
---|
| 458 | }
|
---|
| 459 | } catch (InstantiationException e) {
|
---|
| 460 | // TODO Auto-generated catch block
|
---|
| 461 | e.printStackTrace();
|
---|
| 462 | } catch (IllegalAccessException e) {
|
---|
| 463 | // TODO Auto-generated catch block
|
---|
| 464 | e.printStackTrace();
|
---|
| 465 | } catch (IllegalArgumentException e) {
|
---|
| 466 | // TODO Auto-generated catch block
|
---|
| 467 | e.printStackTrace();
|
---|
| 468 | } catch (InvocationTargetException e) {
|
---|
| 469 | // TODO Auto-generated catch block
|
---|
| 470 | e.printStackTrace();
|
---|
| 471 | } catch (SecurityException e) {
|
---|
| 472 | // TODO Auto-generated catch block
|
---|
| 473 | e.printStackTrace();
|
---|
| 474 | } catch (NoSuchMethodException e) {
|
---|
| 475 | // TODO Auto-generated catch block
|
---|
| 476 | e.printStackTrace();
|
---|
| 477 | }
|
---|
| 478 |
|
---|
| 479 | if (toMake == null)
|
---|
| 480 | return null;
|
---|
| 481 |
|
---|
| 482 | Iterator<String> it = _data.keySet().iterator();
|
---|
| 483 | String last = "";
|
---|
| 484 |
|
---|
| 485 | int count = 0;
|
---|
| 486 |
|
---|
| 487 | while (it.hasNext()) {
|
---|
| 488 | String tag = it.next();
|
---|
| 489 | if (_data.containsKey("" + tag.charAt(0) + count)) {
|
---|
| 490 | if (last.length() == 0)
|
---|
| 491 | last = _data.get(tag);
|
---|
| 492 | else
|
---|
| 493 | last += "\n" + _data.get(tag);
|
---|
| 494 |
|
---|
| 495 | count++;
|
---|
| 496 | } else {
|
---|
| 497 | Method toRun = _ItemTags.get("" + tag.charAt(0));
|
---|
[390] | 498 | if (toRun == null){
|
---|
[4] | 499 | System.out.println("Error accessing tag method: "
|
---|
| 500 | + tag.charAt(0));
|
---|
[390] | 501 |
|
---|
| 502 | }
|
---|
[4] | 503 | Object[] vals;
|
---|
| 504 | if (last.length() > 0)
|
---|
| 505 | vals = Conversion.Convert(toRun, last + "\n"
|
---|
| 506 | + _data.get(tag));
|
---|
| 507 | else
|
---|
| 508 | vals = Conversion.Convert(toRun, _data.get(tag));
|
---|
| 509 |
|
---|
| 510 | try {
|
---|
[86] | 511 | if (vals != null) {
|
---|
[4] | 512 | toRun.invoke(toMake, vals);
|
---|
[72] | 513 | }
|
---|
[4] | 514 | } catch (IllegalArgumentException e) {
|
---|
| 515 | // TODO Auto-generated catch block
|
---|
| 516 | e.printStackTrace();
|
---|
| 517 | } catch (IllegalAccessException e) {
|
---|
| 518 | // TODO Auto-generated catch block
|
---|
| 519 | e.printStackTrace();
|
---|
| 520 | } catch (InvocationTargetException e) {
|
---|
| 521 | // TODO Auto-generated catch block
|
---|
| 522 | e.printStackTrace();
|
---|
[72] | 523 | } catch (ClassCastException e) {
|
---|
| 524 | System.out.println(toRun.getName());
|
---|
| 525 | e.printStackTrace();
|
---|
[4] | 526 | }
|
---|
| 527 |
|
---|
| 528 | count = 0;
|
---|
| 529 | last = "";
|
---|
| 530 | }
|
---|
| 531 |
|
---|
| 532 | }
|
---|
| 533 |
|
---|
| 534 | if (!(toMake instanceof Line))
|
---|
| 535 | _linePoints.put(toMake.getID(), toMake);
|
---|
| 536 |
|
---|
| 537 | return toMake;
|
---|
| 538 | }
|
---|
[86] | 539 |
|
---|
[67] | 540 | public static int getVersion(String fullpath) {
|
---|
| 541 | try {
|
---|
| 542 | BufferedReader reader = new BufferedReader(new FileReader(fullpath));
|
---|
| 543 | String next = "";
|
---|
| 544 | // First read the header lines until we get the version number
|
---|
[86] | 545 | while (reader.ready() && (next = reader.readLine()) != null) {
|
---|
[67] | 546 | if (isValidLine(next)) {
|
---|
| 547 | char tag = getTag(next).charAt(0);
|
---|
| 548 | String value = getValue(next);
|
---|
| 549 | if (tag == 'V')
|
---|
| 550 | return Integer.parseInt(value);
|
---|
[86] | 551 | else if (tag == 'Z')
|
---|
[67] | 552 | return 0;
|
---|
| 553 | }
|
---|
| 554 | }
|
---|
| 555 | } catch (Exception e) {
|
---|
| 556 | }
|
---|
[348] | 557 | return -1;
|
---|
[67] | 558 | }
|
---|
[4] | 559 | }
|
---|