| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.felix.scr.impl; |
| |
| import java.util.*; |
| |
| /** |
| * This class contains the metadata associated to a service that is provided |
| * by a component |
| * |
| */ |
| public class ServiceMetadata { |
| |
| // 112.4.6 Flag that indicates if the service is a ServiceFactory |
| private boolean m_serviceFactory = false; |
| |
| // List of provided interfaces |
| private List m_provides = new ArrayList(); |
| |
| // Flag that indicates if this metadata has been validated and has become immutable |
| private boolean m_validated = false; |
| |
| /** |
| * Setter for the servicefactory attribute of the service element |
| * |
| * @param serviceFactory |
| */ |
| public void setServiceFactory(boolean serviceFactory) { |
| if(m_validated) { |
| return; |
| } |
| |
| m_serviceFactory = serviceFactory; |
| } |
| |
| /** |
| * Add a provided interface to this service |
| * |
| * @param provide a String containing the name of the provided interface |
| */ |
| public void addProvide(String provide) { |
| if(m_validated) { |
| return; |
| } |
| |
| m_provides.add(provide); |
| } |
| |
| /** |
| * Return the flag that defines if it is a service factory or not |
| * |
| * @return a boolean flag |
| */ |
| public boolean isServiceFactory() { |
| return m_serviceFactory; |
| } |
| |
| /** |
| * Returns the implemented interfaces |
| * |
| * @return the implemented interfaces as a string array |
| */ |
| public String [] getProvides() { |
| String provides[] = new String[m_provides.size()]; |
| Iterator it = m_provides.iterator(); |
| int count = 0; |
| while (it.hasNext()) |
| { |
| provides[count++] = it.next().toString(); |
| } |
| return provides; |
| } |
| |
| /** |
| * Verify if the semantics of this metadata are correct |
| * |
| */ |
| void validate( ComponentMetadata componentMetadata ) |
| { |
| if ( m_provides.size() == 0 ) |
| { |
| throw componentMetadata |
| .validationFailure( "At least one provided interface must be declared in the service element" ); |
| } |
| } |
| } |