| /******************************************************************************* |
| * Copyright (c) 2001, 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.wsdl.validation.internal; |
| |
| import java.util.Hashtable; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Vector; |
| |
| |
| /** |
| * A registry of IWSDLValidator validators. This holds the top level WSDL and WS-I validators. |
| * Validators are registered by the namespace they validate. |
| */ |
| public class ValidatorRegistry |
| { |
| /** |
| * The WSDL validator type. |
| */ |
| public final static Integer WSDL_VALIDATOR = new Integer(0); |
| /** |
| * The WS-I validator type. |
| */ |
| public final static Integer EXT_VALIDATOR = new Integer(1); |
| protected static ValidatorRegistry verInstance; |
| /* |
| This is a Map of Maps. The top-level Map is keyed by (Class)parentType, |
| and the inner Maps are keyed by (QName)elementType. |
| This idea is the same as is done in WSDL4J |
| */ |
| protected Map validatorReg = new Hashtable(); |
| |
| protected Iterator defaultValidatorIterator; |
| |
| /** |
| * Constructor. |
| */ |
| protected ValidatorRegistry() |
| { |
| } |
| |
| /** |
| * Returns the instance of the registry. |
| * |
| * @return The instance of the registry. |
| */ |
| public static ValidatorRegistry getInstance() |
| { |
| if (verInstance == null) |
| { |
| verInstance = new ValidatorRegistry(); |
| } |
| return verInstance; |
| } |
| /** |
| * Register this validator of the given type with the given namespace. |
| * |
| * @param namespace The namespace the validator validates. |
| * @param valDelegate The validator delegate to register. |
| * @param type The type of validator. |
| */ |
| public void registerValidator(String namespace, WSDLValidatorDelegate valDelegate, Integer type) |
| { |
| // allow the null namespace but make it the empty string |
| if (namespace == null) |
| { |
| namespace = ""; |
| } |
| |
| // get the hastable for the type of validator we want |
| Hashtable typeValidatorReg = (Hashtable)validatorReg.get(type); |
| // if it's null if means we haven't defined this type of validator yet |
| if (typeValidatorReg == null) |
| { |
| typeValidatorReg = new Hashtable(); |
| validatorReg.put(type, typeValidatorReg); |
| } |
| |
| List namespacevals = (List)typeValidatorReg.get(namespace); |
| if(namespacevals == null) |
| { |
| namespacevals = new Vector(); |
| typeValidatorReg.put(namespace, namespacevals); |
| } |
| namespacevals.add(valDelegate); |
| |
| } |
| /** |
| * Ask for the validator associated with this namespace. If none is found |
| * return null. |
| * |
| * @param namespace The namespace for the validator that is being requested. |
| * @param type The type of validator that is being requested. |
| * @return An array of validator delegates if at least one is registered, null otherwise. |
| */ |
| public WSDLValidatorDelegate[] queryValidatorRegistry(String namespace, Integer type) |
| { |
| // if the namespace is null allow it and treat it as the empty string |
| if (namespace == null) |
| { |
| namespace = ""; |
| } |
| Hashtable typeValidatorReg = (Hashtable)validatorReg.get(type); |
| if (typeValidatorReg == null) |
| { |
| return null; |
| |
| } |
| |
| List valdels = (List)typeValidatorReg.get(namespace); |
| if(valdels != null) |
| { |
| return (WSDLValidatorDelegate[])valdels.toArray(new WSDLValidatorDelegate[valdels.size()]); |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Returns true if there is a validator registered of the given type with the given namespace. |
| * |
| * @param namespace The namespace of the validator. |
| * @param type The type of the validator. |
| * @return True if there is a validator registered for the namespace, false otherwise. |
| */ |
| public boolean hasRegisteredValidator(String namespace, Integer type) |
| { |
| if (queryValidatorRegistry(namespace, type) != null) |
| { |
| return true; |
| } |
| return false; |
| } |
| } |