| /* ==================================================================== |
| 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.hpsf; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.poi.util.Internal; |
| import org.apache.poi.util.LittleEndianByteArrayInputStream; |
| |
| /** |
| * Holder for vector-type properties |
| */ |
| @Internal |
| public class Vector { |
| private final short _type; |
| |
| private TypedPropertyValue[] _values; |
| |
| public Vector( short type ) { |
| this._type = type; |
| } |
| |
| public void read( LittleEndianByteArrayInputStream lei ) { |
| final long longLength = lei.readUInt(); |
| |
| if ( longLength > Integer.MAX_VALUE ) { |
| throw new UnsupportedOperationException( "Vector is too long -- " + longLength ); |
| } |
| final int length = (int) longLength; |
| |
| //BUG-61295 -- avoid OOM on corrupt file. Build list instead |
| //of allocating array of length "length". |
| //If the length is corrupted and crazily big but < Integer.MAX_VALUE, |
| //this will trigger a RuntimeException "Buffer overrun" in lei.checkPosition |
| List<TypedPropertyValue> values = new ArrayList<>(); |
| int paddedType = (_type == Variant.VT_VARIANT) ? 0 : _type; |
| for ( int i = 0; i < length; i++ ) { |
| TypedPropertyValue value = new TypedPropertyValue(paddedType, null); |
| if (paddedType == 0) { |
| value.read(lei); |
| } else { |
| value.readValue(lei); |
| } |
| values.add(value); |
| } |
| _values = values.toArray(new TypedPropertyValue[0]); |
| } |
| |
| public TypedPropertyValue[] getValues(){ |
| return _values; |
| } |
| } |