/*
* Copyright (c) 2002-2012 Alibaba Group Holding Limited.
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.citrus.springext.support.resolver;
import static com.alibaba.citrus.util.Assert.*;
import com.alibaba.citrus.springext.ConfigurationPoint;
import com.alibaba.citrus.springext.ConfigurationPoints;
import org.springframework.beans.factory.xml.NamespaceHandler;
import org.springframework.beans.factory.xml.NamespaceHandlerResolver;
public class ConfigurationPointNamespaceHandlerResolver implements NamespaceHandlerResolver {
private final ConfigurationPoints cps;
private final NamespaceHandlerResolver defaultResolver;
public ConfigurationPointNamespaceHandlerResolver(ConfigurationPoints cps, NamespaceHandlerResolver defaultResolver) {
this.cps = assertNotNull(cps, "configurationPoints");
this.defaultResolver = defaultResolver;
}
public NamespaceHandler resolve(String namespaceUri) {
ConfigurationPoint cp = cps.getConfigurationPointByNamespaceUri(namespaceUri);
if (cp != null) {
return cp.getNamespaceHandler();
} else if (defaultResolver != null) {
return defaultResolver.resolve(namespaceUri);
} else {
return null;
}
}
}