| // Copyright 2004 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.engine; |
| |
| import org.apache.tapestry.IComponent; |
| import org.apache.tapestry.ILocation; |
| import org.apache.tapestry.INamespace; |
| import org.apache.tapestry.IRequestCycle; |
| import org.apache.tapestry.Tapestry; |
| import org.apache.tapestry.parse.ITemplateParserDelegate; |
| import org.apache.tapestry.resolver.ComponentSpecificationResolver; |
| import org.apache.tapestry.spec.IComponentSpecification; |
| |
| /** |
| * Basic implementation of the {@link org.apache.tapestry.parse.ITemplateParserDelegate} interface. |
| * |
| * @author Howard Lewis Ship |
| */ |
| public class TemplateParserDelegateImpl implements ITemplateParserDelegate |
| { |
| private IComponent _component; |
| private ComponentSpecificationResolver _resolver; |
| private IRequestCycle _cycle; |
| |
| public TemplateParserDelegateImpl(IComponent component, IRequestCycle cycle) |
| { |
| _component = component; |
| _resolver = new ComponentSpecificationResolver(cycle); |
| _cycle = cycle; |
| } |
| |
| public boolean getKnownComponent(String componentId) |
| { |
| return _component.getSpecification().getComponent(componentId) != null; |
| } |
| |
| public boolean getAllowBody(String componentId, ILocation location) |
| { |
| IComponent embedded = _component.getComponent(componentId); |
| |
| if (embedded == null) |
| throw Tapestry.createNoSuchComponentException(_component, componentId, location); |
| |
| return embedded.getSpecification().getAllowBody(); |
| } |
| |
| public boolean getAllowBody(String libraryId, String type, ILocation location) |
| { |
| INamespace namespace = _component.getNamespace(); |
| |
| _resolver.resolve(_cycle, namespace, libraryId, type, location); |
| |
| IComponentSpecification spec = _resolver.getSpecification(); |
| |
| return spec.getAllowBody(); |
| } |
| |
| } |