| 1 | // Copyright 2004-2007 Jean-Francois Poilpret |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package net.sourceforge.hiveevents; |
| 16 | |
| 17 | import org.apache.hivemind.HiveMind; |
| 18 | import org.apache.hivemind.Location; |
| 19 | import org.apache.hivemind.internal.Module; |
| 20 | import org.apache.hivemind.service.ObjectProvider; |
| 21 | |
| 22 | /** |
| 23 | * The ObjectProvider for event channels. Mapped to the "channel:" prefix. |
| 24 | * |
| 25 | * @author Jean-Francois Poilpret |
| 26 | */ |
| 27 | public class ChannelObjectProvider implements ObjectProvider |
| 28 | { |
| 29 | public ChannelObjectProvider(ChannelRepository repository) |
| 30 | { |
| 31 | _repository = repository; |
| 32 | } |
| 33 | |
| 34 | public Object provideObject(Module contributingModule, |
| 35 | Class propertyType, |
| 36 | String inputValue, |
| 37 | Location location) |
| 38 | { |
| 39 | if (HiveMind.isBlank(inputValue)) |
| 40 | { |
| 41 | return null; |
| 42 | } |
| 43 | return _repository.getChannel(inputValue); |
| 44 | } |
| 45 | |
| 46 | private final ChannelRepository _repository; |
| 47 | } |