/[cvs]/nfo/php/libs/org.netfrag.glib/DesignPattern/Proxy.php
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revision 1.1 by joko, Mon Mar 3 22:05:25 2003 UTC revision 1.5 by joko, Wed Mar 5 17:28:43 2003 UTC
# Line 1  Line 1 
1  <?php  <?php
   
2  /**  /**
3   * This file contains the DesignPattern::Proxy class.   * This file contains the DesignPattern::Proxy class
4   *   *
5   * @author Andreas Motl <andreas.motl@ilo.de>   * @author Andreas Motl <andreas.motl@ilo.de>
6   * @module DesignPattern::Proxy   * @package org.netfrag.glib
7     * @name DesignPattern::Proxy
8     * @filesource
9   *   *
10   */   *
11     *
12  /**   *
13     * <b>Cvs-Log:</b>
14     *
15     * <pre>
16   * $Id$   * $Id$
17   *   *
18   * $Log$   * $Log$
19     * Revision 1.5  2003/03/05 17:28:43  joko
20     * updated docu (phpDocumentor testing....)
21     *
22     * Revision 1.4  2003/03/05 16:32:18  joko
23     * updated docu (phpDocumentor testing....)
24     *
25     * Revision 1.3  2003/03/05 16:10:17  joko
26     * updated docu (phpDocumentor testing....)
27     *
28     * Revision 1.2  2003/03/05 12:12:42  joko
29     * re-renamed methods and privates: _handler becomes _proxy again
30     *
31   * Revision 1.1  2003/03/03 22:05:25  joko   * Revision 1.1  2003/03/03 22:05:25  joko
32   * abstract implementation...  ;-)   * abstract implementation...  ;-)
33     * </pre>
34   *   *
35   *   *
36   */   */
37    
38    
39  /**  /**
40   * --- An attempt to implement some software design patterns...   * Load required modules:
41     *
42     */
43    loadModule('Class::Logger');
44    
45    
46    /**
47     * An attempt to implement some software design patterns...
48   * --- ProxyPattern   * --- ProxyPattern
49   *   *
50   * --- http://c2.com/cgi-bin/wiki?ProxyPattern   * @link http://c2.com/cgi-bin/wiki?ProxyPattern
51   *   *
52   * @author Andreas Motl <andreas.motl@ilo.de>   * @author Andreas Motl <andreas.motl@ilo.de>
53     * @link http://www.netfrag.org/~joko/
54     *
55   * @copyright (c) 2003 - All Rights reserved.   * @copyright (c) 2003 - All Rights reserved.
56   * @license GNU LGPL (GNU Lesser General Public License)   * @license GNU LGPL (GNU Lesser General Public License)
57   *   * @link http://www.gnu.org/licenses/lgpl.txt
  * @author-url http://www.netfrag.org/~joko/  
  * @license-url http://www.gnu.org/licenses/lgpl.txt  
58   *   *
59   * @package org.netfrag.glib   * @package org.netfrag.glib
60   * @module DesignPattern::Proxy   * @subpackage DesignPattern
61   *   * @name DesignPattern::Proxy
  */  
   
 /**  
  * Todo:  
62   *   *
63     * @todo
64     * <pre>
65   *    x DesignPattern::DecoratorProxy  (->decorate)   *    x DesignPattern::DecoratorProxy  (->decorate)
66   *    x DesignPattern::TransparentProxy  (->make_transparent)   *    x DesignPattern::TransparentProxy  (->make_transparent)
67   *    o DesignPattern::MultiProxy   (->both???) (diamond inheritance? possible in php?)   *    o DesignPattern::MultiProxy   (->both???) (diamond inheritance? possible in php?)
68   *    o DesignPattern::GenericAdapterProxy???   *    o DesignPattern::GenericAdapterProxy???
69   *      o no 'locator/query' or 'type/component'   *      o no 'locator/query' or 'type/component'
70   *      o even more generic: just 'adapter_metadata'    (-> global adapter registry?)   *      o even more generic: just 'adapter_metadata'    (-> global adapter registry?)
71     * </pre>
   
  *  
72   *   *
73   */   */
   
 /**  
  * Load required modules:  
  *  
  */  
 loadModule('Class::Logger');  
   
74  class DesignPattern_Proxy extends Class_Logger {  class DesignPattern_Proxy extends Class_Logger {
75    
76    /**    /**
# Line 65  class DesignPattern_Proxy extends Class_ Line 78  class DesignPattern_Proxy extends Class_
78     *     *
79     */     */
80    var $_debug = array(    var $_debug = array(
81      notice => 0,      notice => 1,
82      trace => 0,      trace => 1,
83      payload => 0,      payload => 1,
84    );    );
85    
86    var $_component_name;    var $_component_name;
# Line 84  class DesignPattern_Proxy extends Class_ Line 97  class DesignPattern_Proxy extends Class_
97     * ... or others! (these are just proposals for convenience)     * ... or others! (these are just proposals for convenience)
98     *     *
99     */     */
100    var $_handler = NULL;    var $_proxy = NULL;
101        
102        
103    /**    /**
# Line 97  class DesignPattern_Proxy extends Class_ Line 110  class DesignPattern_Proxy extends Class_
110     *  );     *  );
111     *     *
112     */     */
113    var $_handler_options = NULL;    var $_proxy_options = NULL;
114    
115    
116    function about() {    function about() {
# Line 117  ABOUT; Line 130  ABOUT;
130    
131    function constructor($handler = array()) {    function constructor($handler = array()) {
132      if (sizeof($handler)) {      if (sizeof($handler)) {
133        $this->set_handler($handler);        $this->set_proxy($handler);
134      }      }
135      $this->create_handler();      $this->create_proxy();
136      $this->call_handler();      $this->call_proxy();
137    }    }
138                    
139    /*    /*
# Line 138  ABOUT; Line 151  ABOUT;
151    * @param Handler object - &$handler    * @param Handler object - &$handler
152    *    *
153    */    */
154    function set_handler( &$handler ) {    function set_proxy( &$handler ) {
155        $this->_handler = &$handler;        $this->_proxy = &$handler;
156    }    }
157    
158    function &get_handler() {    function &get_proxy() {
159        return $this->_handler;        return $this->_proxy;
160    }    }
161    
162    function call_handler() {    function call_proxy() {
163      $this->_abstract_method('call_handler', 'DesignPattern::Proxy');      $this->_abstract_method('call_proxy', 'DesignPattern::Proxy');
164    }    }
165    
166    function set_component_name($name) {    function set_component_name($name) {
# Line 156  ABOUT; Line 169  ABOUT;
169    function get_component_name() {    function get_component_name() {
170      return $this->_component_name;      return $this->_component_name;
171    }    }
172    function set_component_options($options) {    function set_component_options_v1() {
173      $this->_component_options= $options;      $options = func_get_args();
174        if (is_array($options)) {
175          if (is_hash($options)) {
176            $this->_component_options = $options;
177          } else {
178            $this->_component_options = array();
179            foreach ($options as $option) {
180              array_push($this->_component_options, $option);
181            }
182          }
183        } else {
184          $this->_component_options = $options;
185        }
186      }
187      function set_component_options() {
188        $options = func_get_args();
189        if (sizeof($options) >= 1) {
190          $this->_component_options = array();
191          foreach ($options as $option) {
192            array_push($this->_component_options, $option);
193          }
194        } else {
195          $this->_component_options = $options;
196        }
197    }    }
198    function get_component_options() {    function get_component_options() {
199      return $this->_component_options;      return $this->_component_options;
200    }    }
201    
202    function create_handler() {    function create_proxy() {
203      //print "DesignPattern::Proxy->create_handler<br/>";      //print "DesignPattern::Proxy->create_proxy<br/>";
204      //print "comp: " . $this->get_component_name() . "<br/>";      //print "comp: " . $this->get_component_name() . "<br/>";
205      //print "comp: " . $this->get_component_options() . "<br/>";      //print "comp: " . $this->get_component_options() . "<br/>";
206      $handler = php::mkComponent( $this->get_component_name(), $this->get_component_options() );      $handler = php::mkComponent( $this->get_component_name(), $this->get_component_options() );
207      //print Dumper($handler);      //print Dumper($handler);
208      //exit;      //exit;
209            
210      $this->set_handler( $handler );      $this->set_proxy( $handler );
211    }    }
212    
213    
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