org.apache.tapestry5.internal.bindings.PropBindingFactory Maven / Gradle / Ivy
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Central module for Tapestry, containing interfaces to the Java
Servlet API and all core services and components.
// Copyright 2006, 2007, 2008, 2009 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.tapestry5.internal.bindings;
import org.apache.tapestry5.Binding;
import org.apache.tapestry5.ComponentResources;
import org.apache.tapestry5.PropertyConduit;
import org.apache.tapestry5.internal.services.StringInterner;
import org.apache.tapestry5.ioc.Location;
import org.apache.tapestry5.services.BindingFactory;
import org.apache.tapestry5.services.PropertyConduitSource;
/**
* Binding factory for reading and updating JavaBean properties.
*
* Expression are evaluated via a {@link PropertyConduit}, which is generated by {@link PropertyConduitSource} (which
* therefore defines the expression language).
*/
public class PropBindingFactory implements BindingFactory
{
private final PropertyConduitSource source;
private final StringInterner interner;
public PropBindingFactory(PropertyConduitSource propertyConduitSource, StringInterner interner)
{
source = propertyConduitSource;
this.interner = interner;
}
public Binding newBinding(String description, ComponentResources container,
ComponentResources component, String expression, Location location)
{
Object target = container.getComponent();
Class targetClass = target.getClass();
PropertyConduit conduit = source.create(targetClass, expression);
String toString = interner.format("PropBinding[%s %s(%s)]", description, container
.getCompleteId(), expression);
return new PropBinding(location, target, conduit, toString);
}
}