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 015package org.apache.hivemind.parse; 016 017import java.util.ArrayList; 018import java.util.List; 019 020import org.apache.hivemind.Element; 021import org.apache.hivemind.impl.BaseLocatable; 022import 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 */ 030public 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}