Complex classes like FormatterOptions 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 FormatterOptions, and based on these observations, apply Extract Interface, too.
| 1 | <?php | ||
| 28 | class FormatterOptions | ||
| 29 | { | ||
| 30 | /** var array */ | ||
| 31 | protected $configurationData = []; | ||
| 32 | /** var array */ | ||
| 33 | protected $options = []; | ||
| 34 | /** var InputInterface */ | ||
| 35 | protected $input; | ||
| 36 | |||
| 37 | const FORMAT = 'format'; | ||
| 38 | const DEFAULT_FORMAT = 'default-format'; | ||
| 39 | const TABLE_STYLE = 'table-style'; | ||
| 40 | const LIST_ORIENTATION = 'list-orientation'; | ||
| 41 | const FIELDS = 'fields'; | ||
| 42 | const FIELD = 'field'; | ||
| 43 | const INCLUDE_FIELD_LABELS = 'include-field-labels'; | ||
| 44 | const ROW_LABELS = 'row-labels'; | ||
| 45 | const FIELD_LABELS = 'field-labels'; | ||
| 46 | const DEFAULT_FIELDS = 'default-fields'; | ||
| 47 | const DEFAULT_STRING_FIELD = 'default-string-field'; | ||
| 48 | const DELIMITER = 'delimiter'; | ||
| 49 | const CSV_ENCLOSURE = 'csv-enclosure'; | ||
| 50 | const CSV_ESCAPE_CHAR = 'csv-escape-char'; | ||
| 51 | const LIST_DELIMITER = 'list-delimiter'; | ||
| 52 | const TERMINAL_WIDTH = 'width'; | ||
| 53 | const METADATA_TEMPLATE = 'metadata-template'; | ||
| 54 | |||
| 55 | /** | ||
| 56 | * Create a new FormatterOptions with the configuration data and the | ||
| 57 | * user-specified options for this request. | ||
| 58 | * | ||
| 59 | * @see FormatterOptions::setInput() | ||
| 60 | * @param array $configurationData | ||
| 61 | * @param array $options | ||
| 62 | */ | ||
| 63 | public function __construct($configurationData = [], $options = []) | ||
| 68 | |||
| 69 | /** | ||
| 70 | * Create a new FormatterOptions object with new configuration data (provided), | ||
| 71 | * and the same options data as this instance. | ||
| 72 | * | ||
| 73 | * @param array $configurationData | ||
| 74 | * @return FormatterOptions | ||
| 75 | */ | ||
| 76 | public function override($configurationData) | ||
| 84 | |||
| 85 | public function setTableStyle($style) | ||
| 89 | |||
| 90 | public function setDelimiter($delimiter) | ||
| 94 | |||
| 95 | public function setCsvEnclosure($enclosure) | ||
| 99 | |||
| 100 | public function setCsvEscapeChar($escapeChar) | ||
| 104 | |||
| 105 | public function setListDelimiter($listDelimiter) | ||
| 109 | |||
| 110 | |||
| 111 | |||
| 112 | public function setIncludeFieldLables($includFieldLables) | ||
| 116 | |||
| 117 | public function setListOrientation($listOrientation) | ||
| 121 | |||
| 122 | public function setRowLabels($rowLabels) | ||
| 126 | |||
| 127 | public function setDefaultFields($fields) | ||
| 131 | |||
| 132 | public function setFieldLabels($fieldLabels) | ||
| 136 | |||
| 137 | public function setDefaultStringField($defaultStringField) | ||
| 141 | |||
| 142 | public function setWidth($width) | ||
| 146 | |||
| 147 | /** | ||
| 148 | * Get a formatter option | ||
| 149 | * | ||
| 150 | * @param string $key | ||
| 151 | * @param array $defaults | ||
| 152 | * @param mixed $default | ||
| 153 | * @return mixed | ||
| 154 | */ | ||
| 155 | public function get($key, $defaults = [], $default = false) | ||
| 160 | |||
| 161 | /** | ||
| 162 | * Return the XmlSchema to use with --format=xml for data types that support | ||
| 163 | * that. This is used when an array needs to be converted into xml. | ||
| 164 | * | ||
| 165 | * @return XmlSchema | ||
| 166 | */ | ||
| 167 | public function getXmlSchema() | ||
| 171 | |||
| 172 | /** | ||
| 173 | * Determine the format that was requested by the caller. | ||
| 174 | * | ||
| 175 | * @param array $defaults | ||
| 176 | * @return string | ||
| 177 | */ | ||
| 178 | public function getFormat($defaults = []) | ||
| 182 | |||
| 183 | /** | ||
| 184 | * Look up a key, and return its raw value. | ||
| 185 | * | ||
| 186 | * @param string $key | ||
| 187 | * @param array $defaults | ||
| 188 | * @param mixed $default | ||
| 189 | * @return mixed | ||
| 190 | */ | ||
| 191 | protected function fetch($key, $defaults = [], $default = false) | ||
| 197 | |||
| 198 | /** | ||
| 199 | * Reduce provided defaults to the single item identified by '$key', | ||
| 200 | * if it exists, or an empty array otherwise. | ||
| 201 | * | ||
| 202 | * @param string $key | ||
| 203 | * @param array $defaults | ||
| 204 | * @return array | ||
| 205 | */ | ||
| 206 | protected function defaultsForKey($key, $defaults, $default = false) | ||
| 213 | |||
| 214 | /** | ||
| 215 | * Look up all of the items associated with the provided defaults. | ||
| 216 | * | ||
| 217 | * @param array $defaults | ||
| 218 | * @return array | ||
| 219 | */ | ||
| 220 | protected function fetchRawValues($defaults = []) | ||
| 229 | |||
| 230 | /** | ||
| 231 | * Given the raw value for a specific key, do any type conversion | ||
| 232 | * (e.g. from a textual list to an array) needed for the data. | ||
| 233 | * | ||
| 234 | * @param string $key | ||
| 235 | * @param mixed $value | ||
| 236 | * @return mixed | ||
| 237 | */ | ||
| 238 | protected function parse($key, $value) | ||
| 246 | |||
| 247 | /** | ||
| 248 | * Convert from a textual list to an array | ||
| 249 | * | ||
| 250 | * @param string $value | ||
| 251 | * @return array | ||
| 252 | */ | ||
| 253 | public function parsePropertyList($value) | ||
| 257 | |||
| 258 | /** | ||
| 259 | * Given a specific key, return the class method name of the | ||
| 260 | * parsing method for data stored under this key. | ||
| 261 | * | ||
| 262 | * @param string $key | ||
| 263 | * @return string | ||
| 264 | */ | ||
| 265 | protected function getOptionFormat($key) | ||
| 276 | |||
| 277 | /** | ||
| 278 | * Change the configuration data for this formatter options object. | ||
| 279 | * | ||
| 280 | * @param array $configurationData | ||
| 281 | * @return FormatterOptions | ||
| 282 | */ | ||
| 283 | public function setConfigurationData($configurationData) | ||
| 288 | |||
| 289 | /** | ||
| 290 | * Change one configuration value for this formatter option. | ||
| 291 | * | ||
| 292 | * @param string $key | ||
| 293 | * @param mixed $value | ||
| 294 | * @return FormetterOptions | ||
| 295 | */ | ||
| 296 | protected function setConfigurationValue($key, $value) | ||
| 301 | |||
| 302 | /** | ||
| 303 | * Change one configuration value for this formatter option, but only | ||
| 304 | * if it does not already have a value set. | ||
| 305 | * | ||
| 306 | * @param string $key | ||
| 307 | * @param mixed $value | ||
| 308 | * @return FormetterOptions | ||
| 309 | */ | ||
| 310 | public function setConfigurationDefault($key, $value) | ||
| 317 | |||
| 318 | /** | ||
| 319 | * Return a reference to the configuration data for this object. | ||
| 320 | * | ||
| 321 | * @return array | ||
| 322 | */ | ||
| 323 | public function getConfigurationData() | ||
| 327 | |||
| 328 | /** | ||
| 329 | * Set all of the options that were specified by the user for this request. | ||
| 330 | * | ||
| 331 | * @param array $options | ||
| 332 | * @return FormatterOptions | ||
| 333 | */ | ||
| 334 | public function setOptions($options) | ||
| 339 | |||
| 340 | /** | ||
| 341 | * Change one option value specified by the user for this request. | ||
| 342 | * | ||
| 343 | * @param string $key | ||
| 344 | * @param mixed $value | ||
| 345 | * @return FormatterOptions | ||
| 346 | */ | ||
| 347 | public function setOption($key, $value) | ||
| 352 | |||
| 353 | /** | ||
| 354 | * Return a reference to the user-specified options for this request. | ||
| 355 | * | ||
| 356 | * @return array | ||
| 357 | */ | ||
| 358 | public function getOptions() | ||
| 362 | |||
| 363 | /** | ||
| 364 | * Provide a Symfony Console InputInterface containing the user-specified | ||
| 365 | * options for this request. | ||
| 366 | * | ||
| 367 | * @param InputInterface $input | ||
| 368 | * @return type | ||
| 369 | */ | ||
| 370 | public function setInput(InputInterface $input) | ||
| 374 | |||
| 375 | /** | ||
| 376 | * Return all of the options from the provided $defaults array that | ||
| 377 | * exist in our InputInterface object. | ||
| 378 | * | ||
| 379 | * @param array $defaults | ||
| 380 | * @return array | ||
| 381 | */ | ||
| 382 | public function getInputOptions($defaults) | ||
| 398 | } | ||
| 399 |