| // Copyright 2007, 2008 The Apache Software Foundation |
| // |
| // 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.apache.tapestry.internal.services; |
| |
| import org.apache.tapestry.Block; |
| import org.apache.tapestry.services.BeanBlockContribution; |
| import org.apache.tapestry.services.BeanBlockOverrideSource; |
| import org.apache.tapestry.services.BeanBlockSource; |
| |
| import java.util.Collection; |
| |
| public class BeanBlockSourceImpl implements BeanBlockSource |
| { |
| // This is checked before masterSource |
| private final BeanBlockOverrideSource overrideSource; |
| |
| private final BeanBlockOverrideSource masterSource; |
| |
| public BeanBlockSourceImpl(RequestPageCache pageCache, |
| BeanBlockOverrideSource overrideSource, Collection<BeanBlockContribution> configuration) |
| { |
| this.overrideSource = overrideSource; |
| masterSource = new BeanBlockOverrideSourceImpl(pageCache, configuration); |
| } |
| |
| public boolean hasDisplayBlock(String datatype) |
| { |
| return overrideSource.hasDisplayBlock(datatype) || masterSource.hasDisplayBlock(datatype); |
| } |
| |
| public Block getDisplayBlock(String datatype) |
| { |
| Block result = overrideSource.getDisplayBlock(datatype); |
| |
| if (result == null) |
| result = masterSource.getDisplayBlock(datatype); |
| |
| if (result == null) |
| throw new RuntimeException(ServicesMessages.noDisplayForDataType(datatype)); |
| |
| return result; |
| } |
| |
| public Block getEditBlock(String datatype) |
| { |
| Block result = overrideSource.getEditBlock(datatype); |
| |
| if (result == null) |
| result = masterSource.getEditBlock(datatype); |
| |
| if (result == null) |
| throw new RuntimeException(ServicesMessages.noEditForDataType(datatype)); |
| |
| return result; |
| } |
| |
| } |