diff options
Diffstat (limited to 'src/main/java/org/pdfbox/pdmodel/common/COSStreamArray.java')
| -rw-r--r-- | src/main/java/org/pdfbox/pdmodel/common/COSStreamArray.java | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/src/main/java/org/pdfbox/pdmodel/common/COSStreamArray.java b/src/main/java/org/pdfbox/pdmodel/common/COSStreamArray.java deleted file mode 100644 index 87dbb6a..0000000 --- a/src/main/java/org/pdfbox/pdmodel/common/COSStreamArray.java +++ /dev/null @@ -1,304 +0,0 @@ -/**
- * Copyright (c) 2003-2004, www.pdfbox.org
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of pdfbox; nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * http://www.pdfbox.org
- *
- */
-package org.pdfbox.pdmodel.common;
-
-import java.io.ByteArrayInputStream;
-import java.io.InputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.RandomAccessFile;
-import java.io.SequenceInputStream;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Vector;
-
-import org.pdfbox.cos.COSArray;
-import org.pdfbox.cos.COSBase;
-import org.pdfbox.cos.COSDictionary;
-import org.pdfbox.cos.COSName;
-import org.pdfbox.cos.COSStream;
-import org.pdfbox.cos.ICOSVisitor;
-
-import org.pdfbox.exceptions.COSVisitorException;
-
-import org.pdfbox.pdfparser.PDFStreamParser;
-
-/**
- * This will take an array of streams and sequence them together.
- *
- * @author Ben Litchfield (ben@csh.rit.edu)
- * @version $Revision: 1.7 $
- */
-public class COSStreamArray extends COSStream
-{
- private COSArray streams;
-
- /**
- * The first stream will be used to delegate some of the methods for this
- * class.
- */
- private COSStream firstStream;
-
- /**
- * Constructor.
- *
- * @param array The array of COSStreams to concatenate together.
- */
- public COSStreamArray( COSArray array )
- {
- super( new COSDictionary(), null );
- streams = array;
- if( array.size() > 0 )
- {
- firstStream = (COSStream)array.getObject( 0 );
- }
- }
- /**
- * This will get the scratch file associated with this stream.
- *
- * @return The scratch file where this stream is being stored.
- */
- public RandomAccessFile getScratchFile()
- {
- return firstStream.getScratchFile();
- }
-
- /**
- * This will get an object from this streams dictionary.
- *
- * @param key The key to the object.
- *
- * @return The dictionary object with the key or null if one does not exist.
- */
- public COSBase getItem( COSName key )
- {
- return firstStream.getItem( key );
- }
-
- /**
- * This will get an object from this streams dictionary and dereference it
- * if necessary.
- *
- * @param key The key to the object.
- *
- * @return The dictionary object with the key or null if one does not exist.
- */
- public COSBase getDictionaryObject( COSName key )
- {
- return firstStream.getDictionaryObject( key );
- }
-
- /**
- * @see Object#toString()
- */
- public String toString()
- {
- String result = "COSStream{}";
- return result;
- }
-
- /**
- * This will get all the tokens in the stream.
- *
- * @return All of the tokens in the stream.
- *
- * @throws IOException If there is an error parsing the stream.
- */
- public List getStreamTokens() throws IOException
- {
- List retval = null;
- if( streams.size() > 0 )
- {
- PDFStreamParser parser = new PDFStreamParser( this );
- parser.parse();
- retval = parser.getTokens();
- }
- else
- {
- retval = new ArrayList();
- }
- return retval;
- }
-
- /**
- * This will get the dictionary that is associated with this stream.
- *
- * @return the object that is associated with this stream.
- */
- public COSDictionary getDictionary()
- {
- return firstStream;
- }
-
- /**
- * This will get the stream with all of the filters applied.
- *
- * @return the bytes of the physical (endoced) stream
- *
- * @throws IOException when encoding/decoding causes an exception
- */
- public InputStream getFilteredStream() throws IOException
- {
- throw new IOException( "Error: Not allowed to get filtered stream from array of streams." );
- /**
- Vector inputStreams = new Vector();
- byte[] inbetweenStreamBytes = "\n".getBytes();
-
- for( int i=0;i<streams.size(); i++ )
- {
- COSStream stream = (COSStream)streams.getObject( i );
- }
-
- return new SequenceInputStream( inputStreams.elements() );
- **/
- }
-
- /**
- * This will get the logical content stream with none of the filters.
- *
- * @return the bytes of the logical (decoded) stream
- *
- * @throws IOException when encoding/decoding causes an exception
- */
- public InputStream getUnfilteredStream() throws IOException
- {
- Vector inputStreams = new Vector();
- byte[] inbetweenStreamBytes = "\n".getBytes();
-
- for( int i=0;i<streams.size(); i++ )
- {
- COSStream stream = (COSStream)streams.getObject( i );
- inputStreams.add( stream.getUnfilteredStream() );
- //handle the case where there is no whitespace in the
- //between streams in the contents array, without this
- //it is possible that two operators will get concatenated
- //together
- inputStreams.add( new ByteArrayInputStream( inbetweenStreamBytes ) );
- }
-
- return new SequenceInputStream( inputStreams.elements() );
- }
-
- /**
- * visitor pattern double dispatch method.
- *
- * @param visitor The object to notify when visiting this object.
- * @return any object, depending on the visitor implementation, or null
- * @throws COSVisitorException If an error occurs while visiting this object.
- */
- public Object accept(ICOSVisitor visitor) throws COSVisitorException
- {
- return streams.accept( visitor );
- }
-
-
- /**
- * This will return the filters to apply to the byte stream
- * the method will return.
- * - null if no filters are to be applied
- * - a COSName if one filter is to be applied
- * - a COSArray containing COSNames if multiple filters are to be applied
- *
- * @return the COSBase object representing the filters
- */
- public COSBase getFilters()
- {
- return firstStream.getFilters();
- }
-
- /**
- * This will create a new stream for which filtered byte should be
- * written to. You probably don't want this but want to use the
- * createUnfilteredStream, which is used to write raw bytes to.
- *
- * @return A stream that can be written to.
- *
- * @throws IOException If there is an error creating the stream.
- */
- public OutputStream createFilteredStream() throws IOException
- {
- return firstStream.createFilteredStream();
- }
-
- /**
- * This will create a new stream for which filtered byte should be
- * written to. You probably don't want this but want to use the
- * createUnfilteredStream, which is used to write raw bytes to.
- *
- * @param expectedLength An entry where a length is expected.
- *
- * @return A stream that can be written to.
- *
- * @throws IOException If there is an error creating the stream.
- */
- public OutputStream createFilteredStream( COSBase expectedLength ) throws IOException
- {
- return firstStream.createFilteredStream( expectedLength );
- }
-
- /**
- * set the filters to be applied to the stream.
- *
- * @param filters The filters to set on this stream.
- *
- * @throws IOException If there is an error clearing the old filters.
- */
- public void setFilters(COSBase filters) throws IOException
- {
- //should this be allowed? Should this
- //propagate to all streams in the array?
- firstStream.setFilters( filters );
- }
-
- /**
- * This will create an output stream that can be written to.
- *
- * @return An output stream which raw data bytes should be written to.
- *
- * @throws IOException If there is an error creating the stream.
- */
- public OutputStream createUnfilteredStream() throws IOException
- {
- return firstStream.createUnfilteredStream();
- }
-
- /**
- * Appends a new stream to the array that represents this object's stream.
- *
- * @param streamToAppend The stream to append.
- */
- public void appendStream(COSStream streamToAppend)
- {
- streams.add(streamToAppend);
- }
-
-}
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