XQueryMediatorResolver.java

/*
 * Copyright 2005-2007 WSO2, Inc. (http://wso2.com)
 *
 * 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 org.wso2.carbon.mediation.dependency.mgt.resolvers;

import org.apache.synapse.mediators.Value;
import org.wso2.carbon.mediation.dependency.mgt.ConfigurationObject;
import org.apache.synapse.Mediator;
import org.apache.synapse.mediators.xquery.XQueryMediator;
import org.apache.synapse.mediators.xquery.MediatorVariable;
import org.apache.synapse.mediators.xquery.MediatorCustomVariable;

import java.util.List;
import java.util.ArrayList;

public class XQueryMediatorResolver extends AbstractDependencyResolver {

    public List<ConfigurationObject> resolve(Mediator m) {
        if (!(m instanceof XQueryMediator)) {
            return null;
        }

        List<ConfigurationObject> providers = new ArrayList<ConfigurationObject>();
        XQueryMediator xqueryMediator = (XQueryMediator) m;
        Value key = xqueryMediator.getQueryKey();
        if (key.getKeyValue() != null) {
            addProvider(new ConfigurationObject(ConfigurationObject.TYPE_ENTRY,
                                                key.getKeyValue()), providers);
        }

        List<MediatorVariable> variables = xqueryMediator.getVariables();
        if (variables != null) {
            for (MediatorVariable var : variables) {
                if (var instanceof MediatorCustomVariable) {
                    String varKey = ((MediatorCustomVariable) var).getRegKey();
                    if (varKey != null) {
                        addProvider(new ConfigurationObject(ConfigurationObject.TYPE_ENTRY,
                                varKey), providers);    
                    }
                }
            }
        }
        return providers;
    }
}