85 lines
2.6 KiB
Java
85 lines
2.6 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.hpsf;
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import org.apache.poi.util.Internal;
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import org.apache.poi.util.LittleEndian;
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/**
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* Holder for vector-type properties
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*
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* @author Sergey Vladimirov (vlsergey {at} gmail {dot} com)
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*/
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@Internal
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class Vector
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{
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private final short _type;
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private TypedPropertyValue[] _values;
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Vector( byte[] data, int startOffset, short type )
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{
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this._type = type;
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read( data, startOffset );
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}
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Vector( short type )
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{
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this._type = type;
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}
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int read( byte[] data, int startOffset )
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{
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int offset = startOffset;
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final long longLength = LittleEndian.getUInt( data, offset );
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offset += LittleEndian.INT_SIZE;
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if ( longLength > Integer.MAX_VALUE )
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throw new UnsupportedOperationException( "Vector is too long -- "
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+ longLength );
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final int length = (int) longLength;
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_values = new TypedPropertyValue[length];
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if ( _type == Variant.VT_VARIANT )
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{
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for ( int i = 0; i < length; i++ )
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{
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TypedPropertyValue value = new TypedPropertyValue();
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offset += value.read( data, offset );
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_values[i] = value;
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}
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}
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else
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{
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for ( int i = 0; i < length; i++ )
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{
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TypedPropertyValue value = new TypedPropertyValue( _type, null );
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// be aware: not padded here
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offset += value.readValue( data, offset );
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_values[i] = value;
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}
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}
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return offset - startOffset;
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}
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TypedPropertyValue[] getValues(){
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return _values;
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}
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}
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