org.apache.tapestry5.util.AbstractSelectModel 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 2007 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.util;
import org.apache.tapestry5.OptionGroupModel;
import org.apache.tapestry5.OptionModel;
import org.apache.tapestry5.SelectModel;
import org.apache.tapestry5.SelectModelVisitor;
import java.util.List;
/**
* Base class for {@link SelectModel} implementations, whose primary job is to provide the {@link
* #visit(SelectModelVisitor)} method.
*/
public abstract class AbstractSelectModel implements SelectModel
{
public final void visit(SelectModelVisitor visitor)
{
List groups = getOptionGroups();
if (groups != null)
{
for (OptionGroupModel groupModel : groups)
{
visitor.beginOptionGroup(groupModel);
visitOptions(groupModel.getOptions(), visitor);
visitor.endOptionGroup(groupModel);
}
}
visitOptions(getOptions(), visitor);
}
private void visitOptions(List options, SelectModelVisitor vistor)
{
if (options != null)
{
for (OptionModel optionModel : options)
vistor.option(optionModel);
}
}
}