J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | package sun.print; |
| 26 | |
| 27 | import java.io.ByteArrayInputStream; |
| 28 | |
| 29 | public class AttributeClass { |
| 30 | private String myName; |
| 31 | private int myType; |
| 32 | private int nameLen; |
| 33 | private Object myValue; |
| 34 | |
| 35 | public static final int TAG_INT = 0x21; |
| 36 | public static final int TAG_BOOL = 0x22; |
| 37 | public static final int TAG_ENUM = 0x23; |
| 38 | public static final int TAG_OCTET = 0x30; |
| 39 | public static final int TAG_DATE = 0x31; |
| 40 | public static final int TAG_RESOLUTION = 0x32; |
| 41 | public static final int TAG_RANGE_INTEGER = 0x33; |
| 42 | |
| 43 | public static final int TAG_TEXT_LANGUAGE = 0x35; |
| 44 | public static final int TAG_NAME_LANGUAGE = 0x36; |
| 45 | |
| 46 | public static final int TAG_TEXT_WO_LANGUAGE = 0x41; |
| 47 | public static final int TAG_NAME_WO_LANGUAGE = 0x42; |
| 48 | public static final int TAG_KEYWORD = 0x44; |
| 49 | public static final int TAG_URI = 0x45; |
| 50 | public static final int TAG_CHARSET = 0x47; |
| 51 | public static final int TAG_NATURALLANGUAGE = 0x48; |
| 52 | public static final int TAG_MIME_MEDIATYPE = 0x49; |
| 53 | public static final int TAG_MEMBER_ATTRNAME = 0x4A; |
| 54 | |
| 55 | |
| 56 | public static final AttributeClass ATTRIBUTES_CHARSET = |
| 57 | new AttributeClass("attributes-charset", |
| 58 | TAG_CHARSET, "utf-8"); |
| 59 | public static final AttributeClass ATTRIBUTES_NATURAL_LANGUAGE = |
| 60 | new AttributeClass("attributes-natural-language", |
| 61 | TAG_NATURALLANGUAGE, "en"); |
| 62 | |
| 63 | /* |
| 64 | * value passed in by IPPPrintService.readIPPResponse is a sequence |
| 65 | * of bytes with this format |
| 66 | * | length1 | byte1 | byte 2 | ... byten | length2 | byte1 ... byten | |
| 67 | * : |
| 68 | * | lengthN | byte1 ... byten | total number of values| |
| 69 | */ |
| 70 | protected AttributeClass(String name, int type, Object value) { |
| 71 | myName = name; |
| 72 | myType = type; |
| 73 | nameLen = name.length(); |
| 74 | myValue = value; |
| 75 | } |
| 76 | |
| 77 | public byte getType() { |
| 78 | return (byte)myType; |
| 79 | } |
| 80 | |
| 81 | public char[] getLenChars() { |
| 82 | char[] chars = new char[2]; |
| 83 | chars[0] = 0; |
| 84 | chars[1] = (char)nameLen; |
| 85 | return chars; |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * Returns raw data. |
| 90 | */ |
| 91 | public Object getObjectValue() { |
| 92 | return myValue; |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * Returns single int value. |
| 97 | */ |
| 98 | public int getIntValue() { |
| 99 | byte[] bufArray = (byte[])myValue; |
| 100 | |
| 101 | if (bufArray != null) { |
| 102 | byte[] buf = new byte[4]; |
| 103 | for (int i=0; i<4; i++) { |
| 104 | buf[i] = bufArray[i+1]; |
| 105 | } |
| 106 | |
| 107 | return convertToInt(buf); |
| 108 | } |
| 109 | return 0; |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Returns array of int values. |
| 114 | */ |
| 115 | public int[] getArrayOfIntValues() { |
| 116 | |
| 117 | byte[] bufArray = (byte[])myValue; |
| 118 | if (bufArray != null) { |
| 119 | |
| 120 | //ArrayList valList = new ArrayList(); |
| 121 | ByteArrayInputStream bufStream = |
| 122 | new ByteArrayInputStream(bufArray); |
| 123 | int available = bufStream.available(); |
| 124 | |
| 125 | // total number of values is at the end of the stream |
| 126 | bufStream.mark(available); |
| 127 | bufStream.skip(available-1); |
| 128 | int length = bufStream.read(); |
| 129 | bufStream.reset(); |
| 130 | |
| 131 | int[] valueArray = new int[length]; |
| 132 | for (int i = 0; i < length; i++) { |
| 133 | // read length |
| 134 | int valLength = bufStream.read(); |
| 135 | if (valLength != 4) { |
| 136 | // invalid data |
| 137 | return null; |
| 138 | } |
| 139 | |
| 140 | byte[] bufBytes = new byte[valLength]; |
| 141 | bufStream.read(bufBytes, 0, valLength); |
| 142 | valueArray[i] = convertToInt(bufBytes); |
| 143 | |
| 144 | } |
| 145 | return valueArray; |
| 146 | } |
| 147 | return null; |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * Returns 2 int values. |
| 152 | */ |
| 153 | public int[] getIntRangeValue() { |
| 154 | int[] range = {0, 0}; |
| 155 | byte[] bufArray = (byte[])myValue; |
| 156 | if (bufArray != null) { |
| 157 | int nBytes = 4; // 32-bit signed integer |
| 158 | for (int j=0; j<2; j++) { // 2 set of integers |
| 159 | byte[] intBytes = new byte[nBytes]; |
| 160 | // REMIND: # bytes should be 8 |
| 161 | for (int i=0; i< nBytes; i++) { |
| 162 | //+ 1 because the 1st byte is length |
| 163 | intBytes[i] = bufArray[i+(4*j)+1]; |
| 164 | } |
| 165 | range[j] = convertToInt(intBytes); |
| 166 | } |
| 167 | } |
| 168 | return range; |
| 169 | |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Returns String value. |
| 174 | */ |
| 175 | public String getStringValue() { |
| 176 | //assumes only 1 attribute value. Will get the first value |
| 177 | // if > 1. |
| 178 | String strVal = null; |
| 179 | byte[] bufArray = (byte[])myValue; |
| 180 | if (bufArray != null) { |
| 181 | ByteArrayInputStream bufStream = |
| 182 | new ByteArrayInputStream(bufArray); |
| 183 | |
| 184 | int valLength = bufStream.read(); |
| 185 | |
| 186 | byte[] strBytes = new byte[valLength]; |
| 187 | bufStream.read(strBytes, 0, valLength); |
| 188 | try { |
| 189 | strVal = new String(strBytes, "UTF-8"); |
| 190 | } catch (java.io.UnsupportedEncodingException uee) { |
| 191 | } |
| 192 | } |
| 193 | return strVal; |
| 194 | } |
| 195 | |
| 196 | |
| 197 | /** |
| 198 | * Returns array of String values. |
| 199 | */ |
| 200 | public String[] getArrayOfStringValues() { |
| 201 | |
| 202 | byte[] bufArray = (byte[])myValue; |
| 203 | if (bufArray != null) { |
| 204 | ByteArrayInputStream bufStream = |
| 205 | new ByteArrayInputStream(bufArray); |
| 206 | int available = bufStream.available(); |
| 207 | |
| 208 | // total number of values is at the end of the stream |
| 209 | bufStream.mark(available); |
| 210 | bufStream.skip(available-1); |
| 211 | int length = bufStream.read(); |
| 212 | bufStream.reset(); |
| 213 | |
| 214 | String[] valueArray = new String[length]; |
| 215 | for (int i = 0; i < length; i++) { |
| 216 | // read length |
| 217 | int valLength = bufStream.read(); |
| 218 | byte[] bufBytes = new byte[valLength]; |
| 219 | bufStream.read(bufBytes, 0, valLength); |
| 220 | try { |
| 221 | valueArray[i] = new String(bufBytes, "UTF-8"); |
| 222 | } catch (java.io.UnsupportedEncodingException uee) { |
| 223 | } |
| 224 | } |
| 225 | return valueArray; |
| 226 | } |
| 227 | return null; |
| 228 | } |
| 229 | |
| 230 | |
| 231 | /** |
| 232 | * Returns single byte value. |
| 233 | */ |
| 234 | public byte getByteValue() { |
| 235 | byte[] bufArray = (byte[])myValue; |
| 236 | |
| 237 | if ((bufArray != null) && (bufArray.length>=2)) { |
| 238 | return bufArray[1]; |
| 239 | } |
| 240 | return 0; |
| 241 | } |
| 242 | |
| 243 | /** |
| 244 | * Returns attribute name. |
| 245 | */ |
| 246 | public String getName() { |
| 247 | return myName; |
| 248 | } |
| 249 | |
| 250 | public boolean equals(Object obj) { |
| 251 | return |
| 252 | obj != null && |
| 253 | obj instanceof AttributeClass && |
| 254 | obj.toString().equals (((AttributeClass) obj).toString()); |
| 255 | } |
| 256 | |
| 257 | public String toString() { |
| 258 | return myName; |
| 259 | } |
| 260 | |
| 261 | private int unsignedByteToInt(byte b) { |
| 262 | return (int) (b & 0xff); |
| 263 | } |
| 264 | |
| 265 | private int convertToInt(byte[] buf) { |
| 266 | int intVal = 0; |
| 267 | int pos = 0; |
| 268 | intVal+= unsignedByteToInt(buf[pos++]) << 24; |
| 269 | intVal+= unsignedByteToInt(buf[pos++]) << 16; |
| 270 | intVal+= unsignedByteToInt(buf[pos++]) << 8; |
| 271 | intVal+= unsignedByteToInt(buf[pos++]) << 0; |
| 272 | return intVal; |
| 273 | } |
| 274 | } |