001    // Copyright 2004, 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.hivemind.parse;
016    
017    import java.util.ArrayList;
018    import java.util.List;
019    
020    import org.apache.hivemind.Element;
021    import org.apache.hivemind.impl.BaseLocatable;
022    import org.apache.hivemind.util.ToStringBuilder;
023    
024    /**
025     * Base class for descriptors that represent invocating a service with parameters.
026     * This is used for the <interceptor> and <invoke-factory> elements.
027     *
028     * @author Howard Lewis Ship
029     */
030    public abstract class AbstractServiceInvocationDescriptor extends BaseLocatable
031    {
032        private String _factoryServiceId;
033    
034            private List _parameters;
035    
036        public void addParameter(Element parameter)
037        {
038            if (_parameters == null)
039                _parameters = new ArrayList();
040        
041            _parameters.add(parameter);
042        }
043    
044        public List getParameters()
045        {
046            return _parameters;
047        }
048    
049        public String getFactoryServiceId()
050        {
051            return _factoryServiceId;
052        }
053    
054        public void setFactoryServiceId(String string)
055        {
056            _factoryServiceId = string;
057        }
058    
059        public String toString()
060        {
061            ToStringBuilder builder = new ToStringBuilder(this);
062        
063            builder.append("factoryServiceId", _factoryServiceId);
064            builder.append("parameters", _parameters);
065           
066            extendDescription(builder);
067        
068            return builder.toString();
069        }
070        
071        /**
072         * Overridden in subclasses to provide more information about
073         * the instance. This implementation does nothing.
074         */
075        protected void extendDescription(ToStringBuilder builder)
076        {
077        }
078    
079            
080    }