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/*******************************************************************************
* Copyright (c) 2001, 2004 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.wsdl20;
import java.util.Hashtable;
import java.util.Map;
/**
* A registry to hold all the WSDL 2.0 validators.
*/
public class ValidatorRegistry
{
protected static ValidatorRegistry verInstance;
protected Map validatorReg = new Hashtable();
/**
* Constructor.
*/
protected ValidatorRegistry()
{
}
/**
* Returns the instance of this registry.
*
* @return The instance of this registry.
*/
public static ValidatorRegistry getInstance()
{
if (verInstance == null)
{
verInstance = new ValidatorRegistry();
}
return verInstance;
}
/**
* Register this validator delegate with the given namespace.
*
* @param namespace The namespace the validator is associated with.
* @param valDelegate The validator delegate to register.
*/
public void registerValidator(String namespace, WSDL20ValidatorDelegate valDelegate)
{
// allow the null namespace but make it the empty string
if (namespace == null)
{
namespace = "";
}
// add the validator to the hashtable
validatorReg.put(namespace, valDelegate);
}
/**
* Ask for the validator associated with this namespace. If none is found
* return null.
*
* @param namespace The namespace of the validator.
* @return The WSDL 1.1 validator for the given namespace.
*/
public IWSDL20Validator queryValidatorRegistry(String namespace)
{
// if the namespace is null allow it and treat it as the empty string
if (namespace == null)
{
namespace = "";
}
WSDL20ValidatorDelegate delegate = (WSDL20ValidatorDelegate)validatorReg.get(namespace);
if(delegate != null)
{
return delegate.getValidator();
}
return null;
}
/**
* Convenience method that tells whether a validator for a given namespace is registered.
*
* @param namespace The namespace to check.
* @return True if there is a validator registered, false otherwise.
*/
public boolean hasRegisteredValidator(String namespace)
{
if (queryValidatorRegistry(namespace) != null)
{
return true;
}
return false;
}
}
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