      1: <?php
      2:
      3: /**
      4:  * The String complex data type
      5:  *
      6:  * @package alpha::model::types
      7:  * @since 1.0
      8:  * @author John Collins <dev@alphaframework.org>
      9:  * @version $Id: String.inc 1496 2012-02-12 20:32:21Z alphadev $
     10:  * @license http://www.opensource.org/licenses/bsd-license.php The BSD License
     11:  * @copyright Copyright (c) 2012, John Collins (founder of Alpha Framework).
     12:  * All rights reserved.
     13:  *
     14:  * <pre>
     15:  * Redistribution and use in source and binary forms, with or
     16:  * without modification, are permitted provided that the
     17:  * following conditions are met:
     18:  *
     19:  * * Redistributions of source code must retain the above
     20:  *   copyright notice, this list of conditions and the
     21:  *   following disclaimer.
     22:  * * Redistributions in binary form must reproduce the above
     23:  *   copyright notice, this list of conditions and the
     24:  *   following disclaimer in the documentation and/or other
     25:  *   materials provided with the distribution.
     26:  * * Neither the name of the Alpha Framework nor the names
     27:  *   of its contributors may be used to endorse or promote
     28:  *   products derived from this software without specific
     29:  *   prior written permission.
     30:  *
     31:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
     32:  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
     33:  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     34:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     35:  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
     36:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     37:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     38:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     39:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     40:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     41:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     42:  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     43:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     44:  * </pre>
     45:  *
     46:  */
     47: class String extends AlphaType implements AlphaTypeInterface {
     48:     /**
     49:      * The value of the string
     50:      *
     51:      * @var string
     52:      * @since 1.0
     53:      */
     54:     private $value;
     55:
     56:     /**
     57:      * The validation rule for the string type
     58:      *
     59:      * @var string
     60:      * @since 1.0
     61:      */
     62:     private $validationRule;
     63:
     64:     /**
     65:      * The error message for the string type when validation fails
     66:      *
     67:      * @var string
     68:      * @since 1.0
     69:      */
     70:     protected $helper = 'Not a valid string value!';
     71:
     72:     /**
     73:      * The size of the value for the this String
     74:      *
     75:      * @var integer
     76:      * @since 1.0
     77:      */
     78:     private $size = 255;
     79:
     80:     /**
     81:      * The absolute maximum size of the value for the this String
     82:      *
     83:      * @var integer
     84:      * @since 1.0
     85:      */
     86:     const MAX_SIZE = 255;
     87:
     88:     /**
     89:      * Simple boolean to determine if the string is a password or not
     90:      *
     91:      * @var boolean
     92:      * @since 1.0
     93:      */
     94:     private $password = false;
     95:
     96:     /**
     97:      * Constructor
     98:      *
     99:      * @param string $val
    100:      * @since 1.0
    101:      * @throws IllegalArguementException
    102:      */
    103:     public function __construct($val='') {
    104:
    105:         $this->validationRule = AlphaValidator::ALLOW_ALL;
    106:
    107:         if (strlen($val) <= $this->size) {
    108:             if (preg_match($this->validationRule, $val)) {
    109:                 $this->value = $val;
    110:             }else{
    111:                 throw new IllegalArguementException($this->helper);
    112:             }
    113:         }else{
    114:             throw new IllegalArguementException($this->helper);
    115:         }
    116:     }
    117:
    118:     /**
    119:      * Setter for the value
    120:      *
    121:      * @param string $val
    122:      * @since 1.0
    123:      * @throws IllegalArguementException
    124:      */
    125:     public function setValue($val) {
    126:
    127:         if (strlen($val) <= $this->size) {
    128:             if (preg_match($this->validationRule, $val)) {
    129:                 $this->value = $val;
    130:             }else{
    131:                 throw new IllegalArguementException($this->helper);
    132:             }
    133:         }else{
    134:             throw new IllegalArguementException($this->helper);
    135:         }
    136:     }
    137:
    138:     /**
    139:      * Getter for the value
    140:      *
    141:      * @return string
    142:      * @since 1.0
    143:      */
    144:     public function getValue() {
    145:         return $this->value;
    146:     }
    147:
    148:     /**
    149:      * Setter to override the default validation rule
    150:      *
    151:      * @param string $rule
    152:      * @since 1.0
    153:      */
    154:     public function setRule($rule) {
    155:         $this->validationRule = $rule;
    156:     }
    157:
    158:     /**
    159:      * Get the validation rule
    160:      *
    161:      * @return string
    162:      * @since 1.0
    163:      */
    164:     public function getRule() {
    165:         return $this->validationRule;
    166:     }
    167:
    168:     /**
    169:      * Used to set the allowable size of the String in the database field
    170:      *
    171:      * @param integer $size
    172:      * @since 1.0
    173:      * @throws IllegalArguementException
    174:      */
    175:     public function setSize($size) {
    176:         if ($size <= self::MAX_SIZE) {
    177:             $this->size = $size;
    178:         }else{
    179:             throw new IllegalArguementException('Error: the value '.$size.' provided by setSize is greater than the MAX_SIZE '.self::MAX_SIZE.' of this data type.');
    180:         }
    181:     }
    182:
    183:     /**
    184:      * Get the allowable size of the Double in the database field
    185:      *
    186:      * @return integer
    187:      * @since 1.0
    188:      */
    189:     public function getSize(){
    190:         return $this->size;
    191:     }
    192:
    193:     /**
    194:      * Sets up an appropriate validation rule for a required field
    195:      *
    196:      * @param bool $req
    197:      * @since 1.0
    198:      */
    199:     public function isRequired($req=true) {
    200:         if ($req) {
    201:             $this->validationRule = REQUIRED_STRING;
    202:             $this->helper = 'This string requires a value!';
    203:         }else{
    204:             $this->validationRule = DEFAULT_STRING;
    205:         }
    206:     }
    207:
    208:     /**
    209:      * Define the string as a password (making it required by validation rule)
    210:      *
    211:      * @param boolean $pass
    212:      * @since 1.0
    213:      */
    214:     public function isPassword($pass=true) {
    215:         $this->password = $pass;
    216:
    217:         if($pass) {
    218:             $this->validationRule = '/\w+/';
    219:             $this->helper = 'Password is required!';
    220:         }
    221:     }
    222:
    223:     /**
    224:      * Checks to see if the string is a password or not
    225:      *
    226:      * @return boolean
    227:      * @since 1.0
    228:      */
    229:     public function checkIsPassword() {
    230:         return $this->password;
    231:     }
    232: }
    233:
    234: ?>