65 lines
2.0 KiB
Java
65 lines
2.0 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.hsmf.datatypes;
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import java.io.ByteArrayOutputStream;
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abstract public class Chunk {
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protected int chunkId;
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protected int type;
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protected String namePrefix = "__substg1.0_";
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/**
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* Gets the id of this chunk
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*/
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public int getChunkId() {
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return this.chunkId;
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}
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/**
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* Gets the numeric type of this chunk.
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*/
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public int getType() {
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return this.type;
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}
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/**
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* Creates a string to use to identify this chunk in the POI file system object.
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*/
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public String getEntryName() {
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String type = Integer.toHexString(this.type);
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while(type.length() < 4) type = "0" + type;
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String chunkId = Integer.toHexString(this.chunkId);
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while(chunkId.length() < 4) chunkId = "0" + chunkId;
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return this.namePrefix + chunkId.toUpperCase() + type.toUpperCase();
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}
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/**
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* Gets a reference to a ByteArrayOutputStream that contains the value of this chunk.
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*/
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public abstract ByteArrayOutputStream getValueByteArray();
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/**
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* Sets the value of this chunk using a OutputStream
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* @param value
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*/
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public abstract void setValue(ByteArrayOutputStream value);
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}
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