103 lines
3.0 KiB
Java
103 lines
3.0 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.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.UnsupportedEncodingException;
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import org.apache.poi.hsmf.datatypes.Types;
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import org.apache.poi.util.IOUtils;
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import org.apache.poi.util.StringUtil;
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/**
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* A Chunk made up of a single string.
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*/
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public class StringChunk extends Chunk {
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private String value;
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/**
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* Creates a String Chunk.
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*/
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public StringChunk(String entryName) {
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super(entryName);
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}
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/**
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* Create a String Chunk, with the specified
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* type.
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*/
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public StringChunk(int chunkId, int type) {
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super(chunkId, type);
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}
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public void readValue(InputStream value) throws IOException {
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String tmpValue;
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byte[] data = IOUtils.toByteArray(value);
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switch(type) {
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case Types.ASCII_STRING:
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try {
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tmpValue = new String(data, "CP1252");
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} catch (UnsupportedEncodingException e) {
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throw new RuntimeException("Core encoding not found, JVM broken?", e);
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}
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break;
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case Types.UNICODE_STRING:
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tmpValue = StringUtil.getFromUnicodeLE(data);
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break;
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default:
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throw new IllegalArgumentException("Invalid type " + type + " for String Chunk");
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}
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// Clean up
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this.value = tmpValue.replace("\0", "");
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}
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public void writeValue(OutputStream out) throws IOException {
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byte[] data;
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switch(type) {
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case Types.ASCII_STRING:
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try {
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data = value.getBytes("CP1252");
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} catch (UnsupportedEncodingException e) {
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throw new RuntimeException("Core encoding not found, JVM broken?", e);
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}
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break;
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case Types.UNICODE_STRING:
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data = new byte[value.length()*2];
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StringUtil.putUnicodeLE(value, data, 0);
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break;
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default:
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throw new IllegalArgumentException("Invalid type " + type + " for String Chunk");
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}
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out.write(data);
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}
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public String getValue() {
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return this.value;
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}
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public String toString() {
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return this.value;
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}
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}
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