// Copyright 2004, 2005 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.services.impl;
import org.apache.hivemind.Location;
import org.apache.tapestry.IComponent;
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;
/**
* Default implementation of {@link org.apache.tapestry.parse.ITemplateParserDelegate}.
*
* @author Howard Lewis Ship
* @since 4.0
*/
public class DefaultParserDelegate implements ITemplateParserDelegate
{
private IComponent _component;
private ComponentSpecificationResolver _resolver;
private IRequestCycle _cycle;
private String _componentAttributeName;
public DefaultParserDelegate(IComponent component, String componentAttributeName,
IRequestCycle cycle, ComponentSpecificationResolver resolver)
{
_component = component;
_componentAttributeName = componentAttributeName;
_resolver = resolver;
_cycle = cycle;
}
public boolean getKnownComponent(String componentId)
{
return _component.getSpecification().getComponent(componentId) != null;
}
public boolean getAllowBody(String componentId, Location 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, Location location)
{
INamespace namespace = _component.getNamespace();
_resolver.resolve(_cycle, namespace, libraryId, type, location);
IComponentSpecification spec = _resolver.getSpecification();
return spec.getAllowBody();
}
public String getComponentAttributeName()
{
return _componentAttributeName;
}
}