68 lines
2.2 KiB
Java
68 lines
2.2 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.poifs.property;
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import java.util.Iterator;
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import java.io.IOException;
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/**
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* Behavior for parent (directory) properties
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*/
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public interface Parent extends Child, Iterable<Property> {
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/**
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* Get an iterator over the children of this Parent; all elements
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* are instances of Property.
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*
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* @return Iterator of children; may refer to an empty collection
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*/
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public Iterator<Property> getChildren();
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/**
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* Add a new child to the collection of children
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*
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* @param property the new child to be added; must not be null
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*
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* @exception IOException if the Parent already has a child with
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* the same name
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*/
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public void addChild(final Property property)
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throws IOException;
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/**
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* Set the previous Child
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*
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* @param child the new 'previous' child; may be null, which has
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* the effect of saying there is no 'previous' child
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*/
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public void setPreviousChild(final Child child);
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/**
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* Set the next Child
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*
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* @param child the new 'next' child; may be null, which has the
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* effect of saying there is no 'next' child
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*/
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public void setNextChild(final Child child);
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}
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