001: /*
002: * $Header: /export/home/cvsroot/MyPersonalizerRepository/MyPersonalizer/Subsystems/Admin/Sources/es/udc/mypersonalizer/admin/http/controller/actions/propertyeditor/interfaces/PropertyEditorConfigurationRegistry.java,v 1.1.1.1 2004/03/25 12:08:38 fbellas Exp $
003: * $Revision: 1.1.1.1 $
004: * $Date: 2004/03/25 12:08:38 $
005: *
006: * =============================================================================
007: *
008: * Copyright (c) 2003, The MyPersonalizer Development Group
009: * (http://www.tic.udc.es/~fbellas/mypersonalizer/index.html) at
010: * University Of A Coruna
011: * All rights reserved.
012: *
013: * Redistribution and use in source and binary forms, with or without
014: * modification, are permitted provided that the following conditions are met:
015: *
016: * - Redistributions of source code must retain the above copyright notice,
017: * this list of conditions and the following disclaimer.
018: *
019: * - Redistributions in binary form must reproduce the above copyright notice,
020: * this list of conditions and the following disclaimer in the documentation
021: * and/or other materials provided with the distribution.
022: *
023: * - Neither the name of the University Of A Coruna nor the names of its
024: * contributors may be used to endorse or promote products derived from
025: * this software without specific prior written permission.
026: *
027: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
028: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
029: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
030: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
031: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
032: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
033: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
034: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
035: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
036: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
037: * POSSIBILITY OF SUCH DAMAGE.
038: *
039: */
040:
041: package es.udc.mypersonalizer.admin.http.controller.actions.propertyeditor.interfaces;
042:
043: import java.util.Map;
044: import java.util.Hashtable;
045:
046: /**
047: * This class registries elements of class
048: * <code>PropertyEditorConfiguration</code>needed to configure the property
049: * editor for ise it in a specific context.
050: * <p>
051: * Each register must have two elements :
052: * - A String identifier (to identify a specific entry).
053: * - A <code>PropertyEditorConfiguration</code> with the configuration needed
054: * to use the property editor in a specific use case.
055: * <p>
056: * Before using the property editor the client must register an entry with the
057: * above parameters. Next will call the property editor start action with
058: * the configId parameter equals to the identifier of the entry previously
059: * registered. Using this parameter, the property editor actions can have
060: * access to the appropiate configuration for the specific use case where the
061: * property editor is being used.
062: *
063: *
064: * @author Abel Iago Toral Quiroga
065: * @since 1.0
066: */
067: public class PropertyEditorConfigurationRegistry {
068:
069: /**
070: * A synchronized Map for registerying property editor configurations.
071: */
072: private static Map configurationsRegister = new Hashtable();
073:
074: /**
075: * No instances can be created.
076: */
077: private PropertyEditorConfigurationRegistry() {
078: }
079:
080: /**
081: * Registries an editor configuration.
082: * @param configId a way to identifiy the configuration. This
083: * identifier will be used as a request parameter in the
084: * property editor actions to retrive the appropiate configuration.
085: * @param configuration the configuration.
086: */
087: public static void registerConfiguration(String configId,
088: PropertyEditorConfiguration configuration) {
089:
090: configurationsRegister.put(configId, configuration);
091: }
092:
093: /**
094: * Retrives a previously registered editor configuration.
095: * @param configId the identifier assigned to the configuration when it
096: * was registered.
097: * @throws PropertyEditorConfigurationNotRegisteredException if the
098: * configuration isn't registered.
099: * @return the property editor configuration identified by the configId
100: * parameter.
101: */
102: public static PropertyEditorConfiguration getConfiguration(
103: String configId)
104: throws PropertyEditorConfigurationNotRegisteredException {
105:
106: return ((PropertyEditorConfiguration) configurationsRegister
107: .get(configId));
108: }
109: }
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