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Annotation of java/classes/org/w3c/tools/jdbc/PropertyCache.java, revision 1.4

1.1       bmahe       1: // PropertyCache.java
1.4     ! ylafon      2: // $Id: PropertyCache.java,v 1.3 2012/06/16 15:48:47 ylafon Exp $
1.1       bmahe       3: // (c) COPYRIGHT MIT, INRIA and Keio, 2000.
                      4: // Please first read the full copyright statement in file COPYRIGHT.html
                      5: package org.w3c.tools.jdbc;
                      6: 
                      7: import java.beans.PropertyDescriptor;
1.4     ! ylafon      8: import java.util.HashMap;
        !             9: import java.util.Map;
1.1       bmahe      10: 
                     11: /**
1.3       ylafon     12:  * @author Beno�t Mah� (bmahe@w3.org)
1.4     ! ylafon     13:  * @version $Revision: 1.3 $
1.1       bmahe      14:  */
                     15: public class PropertyCache {
1.2       ylafon     16: 
1.1       bmahe      17:     public static boolean debug = false;
                     18:     /**
                     19:      * The modified properties
                     20:      */
1.4     ! ylafon     21:     protected static Map<String, Object> properties = new HashMap<>();
1.2       ylafon     22: 
1.1       bmahe      23:     protected static String getId(JdbcBeanInterface bean, String property) {
1.3       ylafon     24:         StringBuilder buffer;
                     25:         buffer = new StringBuilder();
                     26:         buffer.append(String.valueOf(bean.hashCode()));
                     27:         buffer.append('.').append(property);
                     28:         return buffer.toString();
1.1       bmahe      29:     }
                     30: 
1.3       ylafon     31:     public static void addProperty(JdbcBeanInterface bean,
                     32:                                    String property,
                     33:                                    Object value) {
                     34:         String id = getId(bean, property);
                     35:         if (id != null) {
                     36:             if (debug) {
                     37:                 System.out.println("add property in cache: " + id + " = " + value);
                     38:             }
                     39:             properties.put(id, value);
                     40:         }
1.1       bmahe      41:     }
                     42: 
                     43:     public static Object getProperty(JdbcBeanInterface bean,
1.3       ylafon     44:                                      PropertyDescriptor pd) {
                     45:         String id = getId(bean, pd.getName());
                     46:         if (id != null) {
                     47:             return properties.get(id);
                     48:         }
                     49:         return null;
1.1       bmahe      50:     }
                     51: 
                     52:     public static void removeProperties(JdbcBeanInterface bean) {
1.3       ylafon     53:         StringBuilder buffer = new StringBuilder();
                     54:         buffer.append(String.valueOf(bean.hashCode()));
                     55:         buffer.append('.');
                     56:         String beankey = buffer.toString();
1.4     ! ylafon     57:         for (String key : properties.keySet()) {
1.3       ylafon     58:             if (key.startsWith(beankey)) {
                     59:                 if (debug) {
                     60:                     System.out.println("remove property from cache: " + beankey);
                     61:                 }
                     62:                 properties.remove(key);
                     63:             }
                     64:         }
1.1       bmahe      65:     }
                     66: }