168 lines
4.8 KiB
Java
168 lines
4.8 KiB
Java
/*
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* ====================================================================
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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*/
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package org.apache.poi.hwpf.model;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Map;
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import org.apache.poi.hwpf.model.io.HWPFOutputStream;
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import org.apache.poi.util.Internal;
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/**
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* This class provides access to all the fields Plex.
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*
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* @author Cedric Bosdonnat <cbosdonnat@novell.com>
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*
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*/
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@Internal
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public class FieldsTables
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{
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// The size in bytes of the FLD data structure
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private static final int FLD_SIZE = 2;
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/**
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* annotation subdocument
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*/
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@Deprecated
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public static final int PLCFFLDATN = 0;
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/**
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* endnote subdocument
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*/
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@Deprecated
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public static final int PLCFFLDEDN = 1;
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/**
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* footnote subdocument
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*/
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@Deprecated
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public static final int PLCFFLDFTN = 2;
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/**
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* header subdocument
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*/
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@Deprecated
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public static final int PLCFFLDHDR = 3;
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/**
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* header textbox subdoc
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*/
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@Deprecated
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public static final int PLCFFLDHDRTXBX = 4;
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/**
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* main document
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*/
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@Deprecated
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public static final int PLCFFLDMOM = 5;
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/**
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* textbox subdoc
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*/
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@Deprecated
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public static final int PLCFFLDTXBX = 6;
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private static ArrayList<PlexOfField> toArrayList( PlexOfCps plexOfCps )
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{
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if ( plexOfCps == null )
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return new ArrayList<PlexOfField>();
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ArrayList<PlexOfField> fields = new ArrayList<PlexOfField>(
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plexOfCps.length() );
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for ( int i = 0; i < plexOfCps.length(); i++ )
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{
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GenericPropertyNode propNode = plexOfCps.getProperty( i );
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PlexOfField plex = new PlexOfField( propNode );
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fields.add( plex );
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}
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return fields;
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}
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private Map<FieldsDocumentPart, PlexOfCps> _tables;
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public FieldsTables( byte[] tableStream, FileInformationBlock fib )
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{
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_tables = new HashMap<FieldsDocumentPart, PlexOfCps>(
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FieldsDocumentPart.values().length );
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for ( FieldsDocumentPart part : FieldsDocumentPart.values() )
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{
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final PlexOfCps plexOfCps = readPLCF( tableStream, fib, part );
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_tables.put( part, plexOfCps );
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}
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}
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public ArrayList<PlexOfField> getFieldsPLCF( FieldsDocumentPart part )
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{
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return toArrayList( _tables.get( part ) );
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}
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@Deprecated
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public ArrayList<PlexOfField> getFieldsPLCF( int partIndex )
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{
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return getFieldsPLCF( FieldsDocumentPart.values()[partIndex] );
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}
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private PlexOfCps readPLCF( byte[] tableStream, FileInformationBlock fib,
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FieldsDocumentPart documentPart )
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{
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int start = fib.getFieldsPlcfOffset( documentPart );
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int length = fib.getFieldsPlcfLength( documentPart );
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if ( start <= 0 || length <= 0 )
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return null;
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return new PlexOfCps( tableStream, start, length, FLD_SIZE );
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}
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private int savePlex( FileInformationBlock fib, FieldsDocumentPart part,
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PlexOfCps plexOfCps, HWPFOutputStream outputStream )
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throws IOException
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{
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if ( plexOfCps == null || plexOfCps.length() == 0 )
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{
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fib.setFieldsPlcfOffset( part, outputStream.getOffset() );
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fib.setFieldsPlcfLength( part, 0 );
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return 0;
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}
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byte[] data = plexOfCps.toByteArray();
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int start = outputStream.getOffset();
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int length = data.length;
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outputStream.write( data );
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fib.setFieldsPlcfOffset( part, start );
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fib.setFieldsPlcfLength( part, length );
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return length;
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}
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public void write( FileInformationBlock fib, HWPFOutputStream tableStream )
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throws IOException
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{
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for ( FieldsDocumentPart part : FieldsDocumentPart.values() )
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{
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PlexOfCps plexOfCps = _tables.get( part );
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savePlex( fib, part, plexOfCps, tableStream );
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}
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}
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}
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