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executable file 70 lines (64 sloc) 2.317 kb
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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */

/**
* Content analysis dispatcher
*
* Copyright 2005-2006 Martin Jansen
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @category Services
* @package Services_Yahoo
* @author Martin Jansen <mj@php.net>
* @copyright 2005-2006 Martin Jansen
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
* @version CVS: $Id$
* @link http://pear.php.net/package/Services_Yahoo
*/

require_once "Services/Yahoo/Exception.php";

/**
* Content analysis class
*
* This class provides a method to create a concrete instance of one
* of the supported content analysis services.
*
* @category Services
* @package Services_Yahoo
* @author Martin Jansen <mj@php.net>
* @copyright 2005-2006 Martin Jansen
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
* @version CVS: $Id$
*/
class Services_Yahoo_ContentAnalysis {

    /**
* Attempts to return a concrete instance of a content analysis class
*
* @access public
* @param string Type of content analysis. Can be one of spellingSuggestion or termExtraction
* @return object Concrete instance of a content analysis class based on the paramter
* @throws Services_Yahoo_Exception
*/
    public function factory($type)
    {
        switch ($type) {

        case "termExtraction" :
        case "spellingSuggestion" :
            require_once "Services/Yahoo/ContentAnalysis/" . $type . ".php";
            $classname = "Services_Yahoo_ContentAnalysis_" . $type;
            return new $classname;

        default :
            throw new Services_Yahoo_Exception("Unknown content analysis type {$type}");
            break;
        }
    }
}
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