Visitable.java
/*
* Copyright (C) 2012 Facebook, Inc.
*
* 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 com.facebook.swift.parser.visitor;
import java.io.IOException;
import java.util.Collection;
public interface Visitable
{
void visit(DocumentVisitor visitor) throws IOException;
public static final class Utils
{
private Utils()
{
}
public static void visitAll(final DocumentVisitor visitor, final Collection<? extends Visitable> visitables) throws IOException
{
if (visitables != null && !visitables.isEmpty()) {
for (Visitable visitable : visitables) {
if (visitor.accept(visitable)) {
visitable.visit(visitor);
}
}
}
}
public static void visit(final DocumentVisitor visitor, final Visitable visitable) throws IOException
{
visitor.visit(visitable);
}
}
}