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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1051 | chris | 1 | package com.gebauz.bauzoid.file; |
| 2 | |||
| 3 | import java.io.DataOutputStream; |
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| 4 | import java.io.IOException; |
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| 5 | import java.io.OutputStream; |
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| 6 | |||
| 7 | import com.gebauz.bauzoid.math.Matrix4; |
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| 8 | import com.gebauz.bauzoid.math.Vector2; |
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| 9 | import com.gebauz.bauzoid.math.Vector3; |
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| 10 | import com.gebauz.bauzoid.math.Vector4; |
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| 11 | |||
| 12 | /** File wrier that supports interpreting various data types. |
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| 13 | * |
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| 14 | * No endian-ness handling - uses Standard Java endianness. |
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| 15 | */ |
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| 16 | public class FileWriter |
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| 17 | { |
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| 18 | private DataOutputStream mOS = null; |
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| 19 | |||
| 20 | /** Constructor. Takes an InputStream and claims responsibility for closing it. */ |
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| 21 | public FileWriter(OutputStream os) |
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| 22 | { |
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| 23 | mOS = new DataOutputStream(os); |
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| 24 | } |
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| 25 | |||
| 26 | /** Close the InputStream. */ |
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| 27 | public void close() throws IOException |
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| 28 | { |
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| 29 | if (mOS != null) |
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| 30 | { |
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| 31 | mOS.close(); |
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| 32 | mOS = null; |
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| 33 | } |
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| 34 | } |
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| 35 | |||
| 36 | /** writes an int for the length, then interprets the following length bytes as the String. */ |
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| 37 | public final void writeString(String s) throws IOException |
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| 38 | { |
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| 39 | writeInt(s.length()); |
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| 40 | writeString(s); |
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| 41 | } |
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| 42 | |||
| 43 | /** write a 8-bit C-style bool value. */ |
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| 44 | public final void writeBool(boolean b) throws IOException |
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| 45 | { |
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| 46 | writeByte((byte)(b ? 1 : 0)); |
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| 47 | } |
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| 48 | |||
| 49 | /** writes 3 float values and returns a Vector2. */ |
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| 50 | public final void writeVector2(Vector2 v) throws IOException |
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| 51 | { |
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| 52 | writeFloat(v.x); |
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| 53 | writeFloat(v.y); |
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| 54 | } |
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| 55 | |||
| 56 | /** writes 3 float values and returns a Vector3. */ |
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| 57 | public final void writeVector3(Vector3 v) throws IOException |
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| 58 | { |
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| 59 | writeFloat(v.x); |
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| 60 | writeFloat(v.y); |
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| 61 | writeFloat(v.z); |
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| 62 | } |
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| 63 | |||
| 64 | /** writes 4 float values and returns a Vector4. */ |
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| 65 | public final void writeVector4(Vector4 v) throws IOException |
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| 66 | { |
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| 67 | writeFloat(v.x); |
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| 68 | writeFloat(v.y); |
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| 69 | writeFloat(v.z); |
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| 70 | writeFloat(v.w); |
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| 71 | } |
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| 72 | |||
| 73 | /** write a 4x4 matrix (16 floats). */ |
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| 74 | public final void writeMatrix4(Matrix4 m) throws IOException |
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| 75 | { |
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| 76 | float[] matrix = m.toGLMatrix(); |
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| 77 | for (int i = 0; i < 16; i++) |
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| 78 | { |
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| 79 | writeFloat(matrix[i]); |
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| 80 | } |
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| 81 | } |
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| 82 | |||
| 83 | /** write a bitmap. */ |
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| 84 | /* public final Bitmap writeBitmap() throws IOException |
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| 85 | { |
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| 86 | return BitmapFactory.decodeStream(mInputStream); |
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| 87 | }*/ |
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| 88 | |||
| 89 | /** Get the internal input stream. */ |
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| 90 | public final OutputStream getOutputStream() |
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| 91 | { |
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| 92 | return mOS; |
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| 93 | } |
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| 94 | |||
| 95 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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| 96 | |||
| 97 | public final void write(byte[] buffer, int offset, int length) throws IOException |
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| 98 | { |
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| 99 | mOS.write(buffer, offset, length); |
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| 100 | } |
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| 101 | |||
| 102 | |||
| 103 | /** Equivalent to write(buffer, 0, buffer.length).*/ |
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| 104 | public final void write(byte[] buffer) throws IOException |
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| 105 | { |
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| 106 | mOS.write(buffer); |
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| 107 | } |
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| 108 | |||
| 109 | /** writes a Java boolean (32-bit single, 8-bit in arrays). */ |
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| 110 | public final void writeBoolean(boolean b) throws IOException |
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| 111 | { |
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| 112 | mOS.writeBoolean(b); |
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| 113 | } |
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| 114 | |||
| 115 | /** writes an 8-bit byte. */ |
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| 116 | public final void writeByte(byte b) throws IOException |
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| 117 | { |
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| 118 | mOS.writeByte(b); |
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| 119 | } |
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| 120 | |||
| 121 | /** writes a big-endian 16-bit character value. */ |
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| 122 | public final void writeChar(char c) throws IOException |
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| 123 | { |
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| 124 | mOS.writeChar(c); |
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| 125 | } |
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| 126 | |||
| 127 | /** writes a big-endian 64-bit double value. */ |
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| 128 | public final void writeDouble(double d) throws IOException |
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| 129 | { |
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| 130 | mOS.writeDouble(d); |
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| 131 | } |
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| 132 | |||
| 133 | /** writes a big-endian 32-bit float value. */ |
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| 134 | public final void writeFloat(float f) throws IOException |
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| 135 | { |
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| 136 | mOS.writeFloat(f); |
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| 137 | } |
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| 138 | |||
| 139 | /** writes a big-endian 32-bit integer value. */ |
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| 140 | public final void writeInt(int n) throws IOException |
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| 141 | { |
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| 142 | mOS.writeInt(n); |
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| 143 | } |
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| 144 | |||
| 145 | /** Returns a string containing the next line of text available from this stream. */ |
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| 146 | public final void writeLine(String s) throws IOException |
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| 147 | { |
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| 148 | writeString(s + "\n"); |
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| 149 | } |
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| 150 | |||
| 151 | /** writes a big-endian 64-bit long value. */ |
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| 152 | public final void writeLong(long l) throws IOException |
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| 153 | { |
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| 154 | mOS.writeLong(l); |
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| 155 | } |
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| 156 | |||
| 157 | /** writes a big-endian 16-bit short value. */ |
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| 158 | public final void writeShort(short s) throws IOException |
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| 159 | { |
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| 160 | mOS.writeShort(s); |
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| 161 | } |
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| 162 | |||
| 163 | /** writes a string encoded with modified UTF-8. */ |
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| 164 | public final void writeUTF(String s) throws IOException |
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| 165 | { |
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| 166 | mOS.writeUTF(s); |
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| 167 | } |
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| 168 | |||
| 169 | /** writes an unsigned 8-bit byte value and returns it as an int. */ |
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| 170 | /* public final void writeUnsignedByte(int ub) throws IOException |
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| 171 | { |
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| 172 | mOS.writeUnsignedByte(ub); |
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| 173 | }*/ |
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| 174 | |||
| 175 | /** writes a big-endian 16-bit unsigned short value and returns it as an int. */ |
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| 176 | /* public final void writeUnsignedShort(int us) throws IOException |
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| 177 | { |
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| 178 | mOS.writeUnsignedShort(us); |
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| 179 | }*/ |
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| 180 | |||
| 181 | } |
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| 182 | |||
| 183 |