| |
| /* ==================================================================== |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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 org.apache.poi.hssf.record; |
| |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.poi.hssf.record.common.UnicodeString; |
| import org.apache.poi.util.IntMapper; |
| |
| import static org.apache.logging.log4j.util.Unbox.box; |
| |
| /** |
| * Handles the task of deserializing a SST string. The two main entry points are |
| * |
| * @author Glen Stampoultzis (glens at apache.org) |
| * @author Jason Height (jheight at apache.org) |
| */ |
| class SSTDeserializer |
| { |
| private static final Logger LOG = LogManager.getLogger(SSTDeserializer.class); |
| private IntMapper<UnicodeString> strings; |
| |
| public SSTDeserializer( IntMapper<UnicodeString> strings ) |
| { |
| this.strings = strings; |
| } |
| |
| /** |
| * This is the starting point where strings are constructed. Note that |
| * strings may span across multiple continuations. Read the SST record |
| * carefully before beginning to hack. |
| */ |
| public void manufactureStrings( int stringCount, RecordInputStream in ) |
| { |
| for (int i=0;i<stringCount;i++) { |
| // Extract exactly the count of strings from the SST record. |
| UnicodeString str; |
| if (in.available() == 0 && !in.hasNextRecord()) { |
| LOG.atError().log("Ran out of data before creating all the strings! String at index {}", box(i)); |
| str = new UnicodeString(""); |
| } else { |
| str = new UnicodeString(in); |
| } |
| addToStringTable( strings, str ); |
| } |
| } |
| |
| static public void addToStringTable( IntMapper<UnicodeString> strings, UnicodeString string ) |
| { |
| strings.add(string); |
| } |
| } |