
com.phloc.html.hc.htmlext.IHCIteratorCallback Maven / Gradle / Ivy
/**
* Copyright (C) 2006-2015 phloc systems
* http://www.phloc.com
* office[at]phloc[dot]com
*
* 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.phloc.html.hc.htmlext;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import com.phloc.commons.state.EFinish;
import com.phloc.html.hc.IHCHasChildren;
import com.phloc.html.hc.IHCNode;
/**
* Callback interface to be used when iterating an HC tree.
*
* @author Philip Helger
*/
public interface IHCIteratorCallback
{
/**
* Callback method
*
* @param aParentNode
* Optional parent node. May be null
for the initial
* element.
* @param aChildNode
* The current child node. Never null
.
* @return {@link EFinish#FINISHED} to break iteration and
* {@link EFinish#UNFINISHED} to continue iteration.
*/
@Nonnull
EFinish call (@Nullable IHCHasChildren aParentNode, @Nonnull IHCNode aChildNode);
}
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