Complex classes like JWT often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use JWT, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 17 | class JWT implements JWTInterface |
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| 18 | { |
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| 19 | /** |
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| 20 | * @var string |
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| 21 | */ |
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| 22 | protected $encoded_protected_header = ''; |
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| 23 | |||
| 24 | /** |
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| 25 | * @var string |
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| 26 | */ |
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| 27 | protected $input = null; |
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| 28 | |||
| 29 | /** |
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| 30 | * @var string |
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| 31 | */ |
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| 32 | protected $encoded_payload = ''; |
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| 33 | |||
| 34 | /** |
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| 35 | * @var array |
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| 36 | */ |
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| 37 | protected $protected_headers = []; |
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| 38 | |||
| 39 | /** |
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| 40 | * @var array |
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| 41 | */ |
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| 42 | protected $unprotected_headers = []; |
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| 43 | |||
| 44 | /** |
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| 45 | * @var null |
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| 46 | */ |
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| 47 | protected $payload = null; |
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| 48 | |||
| 49 | /** |
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| 50 | * {@inheritdoc} |
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| 51 | */ |
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| 52 | public function getEncodedProtectedHeader() |
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| 56 | |||
| 57 | /** |
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| 58 | * {@inheritdoc} |
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| 59 | */ |
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| 60 | public function getInput() |
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| 64 | |||
| 65 | /** |
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| 66 | * {@inheritdoc} |
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| 67 | */ |
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| 68 | public function getEncodedPayload() |
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| 72 | |||
| 73 | /** |
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| 74 | * @return array |
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| 75 | */ |
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| 76 | public function getProtectedHeader() |
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| 80 | |||
| 81 | /** |
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| 82 | * {@inheritdoc} |
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| 83 | */ |
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| 84 | public function getUnprotectedHeader() |
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| 88 | |||
| 89 | /** |
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| 90 | * {@inheritdoc} |
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| 91 | */ |
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| 92 | public function getPayload() |
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| 96 | |||
| 97 | /** |
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| 98 | * {@inheritdoc} |
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| 99 | */ |
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| 100 | public function withInput($input) |
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| 107 | |||
| 108 | /** |
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| 109 | * {@inheritdoc} |
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| 110 | */ |
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| 111 | public function withEncodedProtectedHeader($encoded_protected_header) |
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| 118 | |||
| 119 | /** |
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| 120 | * {@inheritdoc} |
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| 121 | */ |
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| 122 | public function withEncodedPayload($encoded_payload) |
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| 129 | |||
| 130 | /** |
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| 131 | * {@inheritdoc} |
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| 132 | */ |
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| 133 | public function withProtectedHeader(array $values) |
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| 140 | |||
| 141 | /** |
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| 142 | * {@inheritdoc} |
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| 143 | */ |
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| 144 | public function withUnprotectedHeader(array $values) |
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| 151 | |||
| 152 | /** |
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| 153 | * {@inheritdoc} |
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| 154 | */ |
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| 155 | public function withProtectedHeaderValue($key, $value) |
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| 162 | |||
| 163 | /** |
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| 164 | * {@inheritdoc} |
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| 165 | */ |
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| 166 | public function withUnprotectedHeaderValue($key, $value) |
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| 173 | |||
| 174 | /** |
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| 175 | * {@inheritdoc} |
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| 176 | */ |
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| 177 | public function withPayload($payload) |
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| 184 | |||
| 185 | /** |
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| 186 | * {@inheritdoc} |
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| 187 | */ |
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| 188 | public function getProtectedHeaderValue($key) |
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| 195 | |||
| 196 | /** |
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| 197 | * {@inheritdoc} |
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| 198 | */ |
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| 199 | public function getUnprotectedHeaderValue($key) |
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| 206 | |||
| 207 | /** |
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| 208 | * {@inheritdoc} |
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| 209 | */ |
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| 210 | public function getHeaderValue($key) |
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| 218 | |||
| 219 | /** |
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| 220 | * {@inheritdoc} |
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| 221 | */ |
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| 222 | public function getHeaderOrPayloadValue($key) |
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| 226 | |||
| 227 | /** |
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| 228 | * {@inheritdoc} |
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| 229 | */ |
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| 230 | public function getPayloadValue($key) |
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| 236 | |||
| 237 | /** |
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| 238 | * {@inheritdoc} |
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| 239 | */ |
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| 240 | public function getType() |
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| 244 | |||
| 245 | /** |
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| 246 | * {@inheritdoc} |
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| 247 | */ |
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| 248 | public function getContentType() |
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| 252 | |||
| 253 | /** |
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| 254 | * {@inheritdoc} |
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| 255 | */ |
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| 256 | public function getIssuer() |
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| 260 | |||
| 261 | /** |
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| 262 | * {@inheritdoc} |
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| 263 | */ |
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| 264 | public function getSubject() |
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| 268 | |||
| 269 | /** |
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| 270 | * {@inheritdoc} |
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| 271 | */ |
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| 272 | public function getAudience() |
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| 276 | |||
| 277 | /** |
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| 278 | * {@inheritdoc} |
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| 279 | */ |
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| 280 | public function getExpirationTime() |
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| 284 | |||
| 285 | /** |
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| 286 | * {@inheritdoc} |
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| 287 | */ |
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| 288 | public function getNotBefore() |
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| 292 | |||
| 293 | /** |
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| 294 | * {@inheritdoc} |
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| 295 | */ |
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| 296 | public function getIssuedAt() |
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| 300 | |||
| 301 | /** |
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| 302 | * {@inheritdoc} |
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| 303 | */ |
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| 304 | public function getJWTID() |
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| 308 | |||
| 309 | /** |
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| 310 | * {@inheritdoc} |
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| 311 | */ |
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| 312 | public function getAlgorithm() |
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| 316 | |||
| 317 | /** |
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| 318 | * {@inheritdoc} |
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| 319 | */ |
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| 320 | public function getKeyID() |
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| 324 | |||
| 325 | /** |
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| 326 | * {@inheritdoc} |
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| 327 | */ |
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| 328 | public function getJWKUrl() |
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| 332 | |||
| 333 | /** |
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| 334 | * {@inheritdoc} |
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| 335 | */ |
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| 336 | public function getJWK() |
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| 340 | |||
| 341 | /** |
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| 342 | * {@inheritdoc} |
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| 343 | */ |
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| 344 | public function getX509Url() |
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| 348 | |||
| 349 | /** |
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| 350 | * {@inheritdoc} |
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| 351 | */ |
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| 352 | public function getX509CertificateChain() |
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| 356 | |||
| 357 | /** |
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| 358 | * {@inheritdoc} |
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| 359 | */ |
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| 360 | public function getX509CertificateSha1Thumbprint() |
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| 364 | |||
| 365 | /** |
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| 366 | * {@inheritdoc} |
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| 367 | */ |
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| 368 | public function getX509CertificateSha256Thumbprint() |
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| 372 | |||
| 373 | /** |
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| 374 | * {@inheritdoc} |
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| 375 | */ |
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| 376 | public function getCritical() |
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| 380 | } |
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| 381 |