| /******************************************************************************* |
| * Copyright (c) 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.xml.core.internal.validation.errorcustomization; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * The error customization regsitry manages all registered |
| * IErrorMessageCustomizers by namespace. |
| */ |
| public class ErrorCustomizationRegistry |
| { |
| protected static ErrorCustomizationRegistry registry = null; |
| protected Map customizers = new HashMap(); |
| |
| /** |
| * Restricted constructor in keeping with the singleton pattern. |
| */ |
| protected ErrorCustomizationRegistry() |
| { |
| } |
| |
| /** |
| * Get the one and only instance of the registry. |
| * |
| * @return |
| * The one and only instance of the registry. |
| */ |
| public static ErrorCustomizationRegistry getInstance() |
| { |
| if(registry == null) |
| { |
| registry = new ErrorCustomizationRegistry(); |
| } |
| return registry; |
| } |
| |
| /** |
| * Add a customizer to the registry. |
| * |
| * @param namespace |
| * The namespace the customizer will act on. |
| * @param customizer |
| * The error customizer to register. |
| */ |
| public void addErrorMessageCustomizer(String namespace, IErrorMessageCustomizer customizer) |
| { |
| // To register a customizer for the no namespace use an empty string. |
| if(namespace == null) |
| { |
| namespace = ""; //$NON-NLS-1$ |
| } |
| List customizersForNS = (List)customizers.get(namespace); |
| if(customizersForNS == null) |
| { |
| customizersForNS = new ArrayList(); |
| customizers.put(namespace, customizersForNS); |
| } |
| if(customizer != null) |
| { |
| customizersForNS.add(customizer); |
| } |
| } |
| |
| /** |
| * Get the error customizers for a given namespace. |
| * |
| * @param namespace |
| * The namespace for which to retrieve the customizers. |
| * @return |
| * An array of customizers registered for this namespace. |
| */ |
| public IErrorMessageCustomizer[] getCustomizers(String namespace) |
| { |
| if(namespace == null) |
| { |
| namespace = ""; //$NON-NLS-1$ |
| } |
| List customizersForNS = (List)customizers.get(namespace); |
| if(customizersForNS == null) |
| { |
| customizersForNS = new ArrayList(); |
| } |
| return (IErrorMessageCustomizer[])customizersForNS.toArray(new IErrorMessageCustomizer[customizersForNS.size()]); |
| } |
| } |