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| 1 | +// |
| 2 | +// ======================================================================== |
| 3 | +// Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd. |
| 4 | +// ------------------------------------------------------------------------ |
| 5 | +// All rights reserved. This program and the accompanying materials |
| 6 | +// are made available under the terms of the Eclipse Public License v1.0 |
| 7 | +// and Apache License v2.0 which accompanies this distribution. |
| 8 | +// |
| 9 | +// The Eclipse Public License is available at |
| 10 | +// http://www.eclipse.org/legal/epl-v10.html |
| 11 | +// |
| 12 | +// The Apache License v2.0 is available at |
| 13 | +// http://www.opensource.org/licenses/apache2.0.php |
| 14 | +// |
| 15 | +// You may elect to redistribute this code under either of these licenses. |
| 16 | +// ======================================================================== |
| 17 | +// |
| 18 | +package spark.utils.urldecoding; |
| 19 | + |
| 20 | +import java.lang.reflect.Method; |
| 21 | +import java.util.HashMap; |
| 22 | + |
| 23 | +/* ------------------------------------------------------------ */ |
| 24 | + |
| 25 | +/** |
| 26 | + * TYPE Utilities. |
| 27 | + * Provides various static utiltiy methods for manipulating types and their |
| 28 | + * string representations. |
| 29 | + * |
| 30 | + * @since Jetty 4.1 |
| 31 | + */ |
| 32 | +public class TypeUtil { |
| 33 | + |
| 34 | + /* ------------------------------------------------------------ */ |
| 35 | + private static final HashMap<String, Class<?>> name2Class = new HashMap<>(); |
| 36 | + |
| 37 | + static { |
| 38 | + name2Class.put("boolean", java.lang.Boolean.TYPE); |
| 39 | + name2Class.put("byte", java.lang.Byte.TYPE); |
| 40 | + name2Class.put("char", java.lang.Character.TYPE); |
| 41 | + name2Class.put("double", java.lang.Double.TYPE); |
| 42 | + name2Class.put("float", java.lang.Float.TYPE); |
| 43 | + name2Class.put("int", java.lang.Integer.TYPE); |
| 44 | + name2Class.put("long", java.lang.Long.TYPE); |
| 45 | + name2Class.put("short", java.lang.Short.TYPE); |
| 46 | + name2Class.put("void", java.lang.Void.TYPE); |
| 47 | + |
| 48 | + name2Class.put("java.lang.Boolean.TYPE", java.lang.Boolean.TYPE); |
| 49 | + name2Class.put("java.lang.Byte.TYPE", java.lang.Byte.TYPE); |
| 50 | + name2Class.put("java.lang.Character.TYPE", java.lang.Character.TYPE); |
| 51 | + name2Class.put("java.lang.Double.TYPE", java.lang.Double.TYPE); |
| 52 | + name2Class.put("java.lang.Float.TYPE", java.lang.Float.TYPE); |
| 53 | + name2Class.put("java.lang.Integer.TYPE", java.lang.Integer.TYPE); |
| 54 | + name2Class.put("java.lang.Long.TYPE", java.lang.Long.TYPE); |
| 55 | + name2Class.put("java.lang.Short.TYPE", java.lang.Short.TYPE); |
| 56 | + name2Class.put("java.lang.Void.TYPE", java.lang.Void.TYPE); |
| 57 | + |
| 58 | + name2Class.put("java.lang.Boolean", java.lang.Boolean.class); |
| 59 | + name2Class.put("java.lang.Byte", java.lang.Byte.class); |
| 60 | + name2Class.put("java.lang.Character", java.lang.Character.class); |
| 61 | + name2Class.put("java.lang.Double", java.lang.Double.class); |
| 62 | + name2Class.put("java.lang.Float", java.lang.Float.class); |
| 63 | + name2Class.put("java.lang.Integer", java.lang.Integer.class); |
| 64 | + name2Class.put("java.lang.Long", java.lang.Long.class); |
| 65 | + name2Class.put("java.lang.Short", java.lang.Short.class); |
| 66 | + |
| 67 | + name2Class.put("Boolean", java.lang.Boolean.class); |
| 68 | + name2Class.put("Byte", java.lang.Byte.class); |
| 69 | + name2Class.put("Character", java.lang.Character.class); |
| 70 | + name2Class.put("Double", java.lang.Double.class); |
| 71 | + name2Class.put("Float", java.lang.Float.class); |
| 72 | + name2Class.put("Integer", java.lang.Integer.class); |
| 73 | + name2Class.put("Long", java.lang.Long.class); |
| 74 | + name2Class.put("Short", java.lang.Short.class); |
| 75 | + |
| 76 | + name2Class.put(null, java.lang.Void.TYPE); |
| 77 | + name2Class.put("string", java.lang.String.class); |
| 78 | + name2Class.put("String", java.lang.String.class); |
| 79 | + name2Class.put("java.lang.String", java.lang.String.class); |
| 80 | + } |
| 81 | + |
| 82 | + /* ------------------------------------------------------------ */ |
| 83 | + private static final HashMap<Class<?>, String> class2Name = new HashMap<>(); |
| 84 | + |
| 85 | + static { |
| 86 | + class2Name.put(java.lang.Boolean.TYPE, "boolean"); |
| 87 | + class2Name.put(java.lang.Byte.TYPE, "byte"); |
| 88 | + class2Name.put(java.lang.Character.TYPE, "char"); |
| 89 | + class2Name.put(java.lang.Double.TYPE, "double"); |
| 90 | + class2Name.put(java.lang.Float.TYPE, "float"); |
| 91 | + class2Name.put(java.lang.Integer.TYPE, "int"); |
| 92 | + class2Name.put(java.lang.Long.TYPE, "long"); |
| 93 | + class2Name.put(java.lang.Short.TYPE, "short"); |
| 94 | + class2Name.put(java.lang.Void.TYPE, "void"); |
| 95 | + |
| 96 | + class2Name.put(java.lang.Boolean.class, "java.lang.Boolean"); |
| 97 | + class2Name.put(java.lang.Byte.class, "java.lang.Byte"); |
| 98 | + class2Name.put(java.lang.Character.class, "java.lang.Character"); |
| 99 | + class2Name.put(java.lang.Double.class, "java.lang.Double"); |
| 100 | + class2Name.put(java.lang.Float.class, "java.lang.Float"); |
| 101 | + class2Name.put(java.lang.Integer.class, "java.lang.Integer"); |
| 102 | + class2Name.put(java.lang.Long.class, "java.lang.Long"); |
| 103 | + class2Name.put(java.lang.Short.class, "java.lang.Short"); |
| 104 | + |
| 105 | + class2Name.put(null, "void"); |
| 106 | + class2Name.put(java.lang.String.class, "java.lang.String"); |
| 107 | + } |
| 108 | + |
| 109 | + /* ------------------------------------------------------------ */ |
| 110 | + private static final HashMap<Class<?>, Method> class2Value = new HashMap<>(); |
| 111 | + |
| 112 | + static { |
| 113 | + try { |
| 114 | + Class<?>[] s = {java.lang.String.class}; |
| 115 | + |
| 116 | + class2Value.put(java.lang.Boolean.TYPE, |
| 117 | + java.lang.Boolean.class.getMethod("valueOf", s)); |
| 118 | + class2Value.put(java.lang.Byte.TYPE, |
| 119 | + java.lang.Byte.class.getMethod("valueOf", s)); |
| 120 | + class2Value.put(java.lang.Double.TYPE, |
| 121 | + java.lang.Double.class.getMethod("valueOf", s)); |
| 122 | + class2Value.put(java.lang.Float.TYPE, |
| 123 | + java.lang.Float.class.getMethod("valueOf", s)); |
| 124 | + class2Value.put(java.lang.Integer.TYPE, |
| 125 | + java.lang.Integer.class.getMethod("valueOf", s)); |
| 126 | + class2Value.put(java.lang.Long.TYPE, |
| 127 | + java.lang.Long.class.getMethod("valueOf", s)); |
| 128 | + class2Value.put(java.lang.Short.TYPE, |
| 129 | + java.lang.Short.class.getMethod("valueOf", s)); |
| 130 | + |
| 131 | + class2Value.put(java.lang.Boolean.class, |
| 132 | + java.lang.Boolean.class.getMethod("valueOf", s)); |
| 133 | + class2Value.put(java.lang.Byte.class, |
| 134 | + java.lang.Byte.class.getMethod("valueOf", s)); |
| 135 | + class2Value.put(java.lang.Double.class, |
| 136 | + java.lang.Double.class.getMethod("valueOf", s)); |
| 137 | + class2Value.put(java.lang.Float.class, |
| 138 | + java.lang.Float.class.getMethod("valueOf", s)); |
| 139 | + class2Value.put(java.lang.Integer.class, |
| 140 | + java.lang.Integer.class.getMethod("valueOf", s)); |
| 141 | + class2Value.put(java.lang.Long.class, |
| 142 | + java.lang.Long.class.getMethod("valueOf", s)); |
| 143 | + class2Value.put(java.lang.Short.class, |
| 144 | + java.lang.Short.class.getMethod("valueOf", s)); |
| 145 | + } catch (Exception e) { |
| 146 | + throw new Error(e); |
| 147 | + } |
| 148 | + } |
| 149 | + |
| 150 | + /** |
| 151 | + * Parse an int from a substring. |
| 152 | + * Negative numbers are not handled. |
| 153 | + * |
| 154 | + * @param s String |
| 155 | + * @param offset Offset within string |
| 156 | + * @param length Length of integer or -1 for remainder of string |
| 157 | + * @param base base of the integer |
| 158 | + * @return the parsed integer |
| 159 | + * @throws NumberFormatException if the string cannot be parsed |
| 160 | + */ |
| 161 | + public static int parseInt(String s, int offset, int length, int base) |
| 162 | + throws NumberFormatException { |
| 163 | + int value = 0; |
| 164 | + |
| 165 | + if (length < 0) { |
| 166 | + length = s.length() - offset; |
| 167 | + } |
| 168 | + |
| 169 | + for (int i = 0; i < length; i++) { |
| 170 | + char c = s.charAt(offset + i); |
| 171 | + |
| 172 | + int digit = convertHexDigit((int) c); |
| 173 | + if (digit < 0 || digit >= base) { |
| 174 | + throw new NumberFormatException(s.substring(offset, offset + length)); |
| 175 | + } |
| 176 | + value = value * base + digit; |
| 177 | + } |
| 178 | + return value; |
| 179 | + } |
| 180 | + |
| 181 | + /* ------------------------------------------------------------ */ |
| 182 | + public static String toString(byte[] bytes, int base) { |
| 183 | + StringBuilder buf = new StringBuilder(); |
| 184 | + for (byte b : bytes) { |
| 185 | + int bi = 0xff & b; |
| 186 | + int c = '0' + (bi / base) % base; |
| 187 | + if (c > '9') { |
| 188 | + c = 'a' + (c - '0' - 10); |
| 189 | + } |
| 190 | + buf.append((char) c); |
| 191 | + c = '0' + bi % base; |
| 192 | + if (c > '9') { |
| 193 | + c = 'a' + (c - '0' - 10); |
| 194 | + } |
| 195 | + buf.append((char) c); |
| 196 | + } |
| 197 | + return buf.toString(); |
| 198 | + } |
| 199 | + |
| 200 | + /* ------------------------------------------------------------ */ |
| 201 | + |
| 202 | + /** |
| 203 | + * @param c An ASCII encoded character 0-9 a-f A-F |
| 204 | + * @return The byte value of the character 0-16. |
| 205 | + */ |
| 206 | + public static int convertHexDigit(char c) { |
| 207 | + int d = ((c & 0x1f) + ((c >> 6) * 0x19) - 0x10); |
| 208 | + if (d < 0 || d > 15) { |
| 209 | + throw new NumberFormatException("!hex " + c); |
| 210 | + } |
| 211 | + return d; |
| 212 | + } |
| 213 | + |
| 214 | + /* ------------------------------------------------------------ */ |
| 215 | + |
| 216 | + /** |
| 217 | + * @param c An ASCII encoded character 0-9 a-f A-F |
| 218 | + * @return The byte value of the character 0-16. |
| 219 | + */ |
| 220 | + public static int convertHexDigit(int c) { |
| 221 | + int d = ((c & 0x1f) + ((c >> 6) * 0x19) - 0x10); |
| 222 | + if (d < 0 || d > 15) { |
| 223 | + throw new NumberFormatException("!hex " + c); |
| 224 | + } |
| 225 | + return d; |
| 226 | + } |
| 227 | + |
| 228 | + /* ------------------------------------------------------------ */ |
| 229 | + public static String toHexString(byte b) { |
| 230 | + return toHexString(new byte[] {b}, 0, 1); |
| 231 | + } |
| 232 | + |
| 233 | + /* ------------------------------------------------------------ */ |
| 234 | + public static String toHexString(byte[] b, int offset, int length) { |
| 235 | + StringBuilder buf = new StringBuilder(); |
| 236 | + for (int i = offset; i < offset + length; i++) { |
| 237 | + int bi = 0xff & b[i]; |
| 238 | + int c = '0' + (bi / 16) % 16; |
| 239 | + if (c > '9') { |
| 240 | + c = 'A' + (c - '0' - 10); |
| 241 | + } |
| 242 | + buf.append((char) c); |
| 243 | + c = '0' + bi % 16; |
| 244 | + if (c > '9') { |
| 245 | + c = 'a' + (c - '0' - 10); |
| 246 | + } |
| 247 | + buf.append((char) c); |
| 248 | + } |
| 249 | + return buf.toString(); |
| 250 | + } |
| 251 | +} |
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