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Diffstat (limited to 'src/main/java/org/pdfbox/examples/pdmodel/ReplaceString.java')
| -rw-r--r-- | src/main/java/org/pdfbox/examples/pdmodel/ReplaceString.java | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/src/main/java/org/pdfbox/examples/pdmodel/ReplaceString.java b/src/main/java/org/pdfbox/examples/pdmodel/ReplaceString.java deleted file mode 100644 index bbf8688..0000000 --- a/src/main/java/org/pdfbox/examples/pdmodel/ReplaceString.java +++ /dev/null @@ -1,186 +0,0 @@ -/**
- * Copyright (c) 2005, 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.examples.pdmodel;
-
-import java.io.IOException;
-import java.io.OutputStream;
-import java.util.List;
-
-import org.pdfbox.cos.COSArray;
-import org.pdfbox.cos.COSString;
-import org.pdfbox.exceptions.COSVisitorException;
-
-import org.pdfbox.pdfparser.PDFStreamParser;
-import org.pdfbox.pdfwriter.ContentStreamWriter;
-import org.pdfbox.pdmodel.PDDocument;
-import org.pdfbox.pdmodel.PDPage;
-
-import org.pdfbox.pdmodel.common.PDStream;
-
-import org.pdfbox.util.PDFOperator;
-
-
-/**
- * This is an example that will replace a string in a PDF with a new one.
- *
- * The example is taken from the pdf file format specification.
- *
- * @author Ben Litchfield (ben@benlitchfield.com)
- * @version $Revision: 1.2 $
- */
-public class ReplaceString
-{
- /**
- * Constructor.
- */
- public ReplaceString()
- {
- super();
- }
-
- /**
- * Locate a string in a PDF and replace it with a new string.
- *
- * @param inputFile The PDF to open.
- * @param outputFile The PDF to write to.
- * @param strToFind The string to find in the PDF document.
- * @param message The message to write in the file.
- *
- * @throws IOException If there is an error writing the data.
- * @throws COSVisitorException If there is an error writing the PDF.
- */
- public void doIt( String inputFile, String outputFile, String strToFind, String message)
- throws IOException, COSVisitorException
- {
- // the document
- PDDocument doc = null;
- try
- {
- doc = PDDocument.load( inputFile );
- List pages = doc.getDocumentCatalog().getAllPages();
- for( int i=0; i<pages.size(); i++ )
- {
- PDPage page = (PDPage)pages.get( i );
- PDStream contents = page.getContents();
- PDFStreamParser parser = new PDFStreamParser(contents.getStream() );
- parser.parse();
- List tokens = parser.getTokens();
- for( int j=0; j<tokens.size(); j++ )
- {
- Object next = tokens.get( j );
- if( next instanceof PDFOperator )
- {
- PDFOperator op = (PDFOperator)next;
- //Tj and TJ are the two operators that display
- //strings in a PDF
- if( op.getOperation().equals( "Tj" ) )
- {
- //Tj takes one operator and that is the string
- //to display so lets update that operator
- COSString previous = (COSString)tokens.get( j-1 );
- String string = previous.getString();
- string = string.replaceFirst( strToFind, message );
- previous.reset();
- previous.append( string.getBytes() );
- }
- else if( op.getOperation().equals( "TJ" ) )
- {
- COSArray previous = (COSArray)tokens.get( j-1 );
- for( int k=0; k<previous.size(); k++ )
- {
- Object arrElement = previous.getObject( k );
- if( arrElement instanceof COSString )
- {
- COSString cosString = (COSString)arrElement;
- String string = cosString.getString();
- string = string.replaceFirst( strToFind, message );
- cosString.reset();
- cosString.append( string.getBytes() );
- }
- }
- }
- }
- }
- //now that the tokens are updated we will replace the
- //page content stream.
- PDStream updatedStream = new PDStream(doc);
- OutputStream out = updatedStream.createOutputStream();
- ContentStreamWriter tokenWriter = new ContentStreamWriter(out);
- tokenWriter.writeTokens( tokens );
- page.setContents( updatedStream );
- }
- doc.save( outputFile );
- }
- finally
- {
- if( doc != null )
- {
- doc.close();
- }
- }
- }
-
- /**
- * This will open a PDF and replace a string if it finds it.
- * <br />
- * see usage() for commandline
- *
- * @param args Command line arguments.
- */
- public static void main(String[] args)
- {
- ReplaceString app = new ReplaceString();
- try
- {
- if( args.length != 4 )
- {
- app.usage();
- }
- else
- {
- app.doIt( args[0], args[1], args[2], args[3] );
- }
- }
- catch (Exception e)
- {
- e.printStackTrace();
- }
- }
-
- /**
- * This will print out a message telling how to use this example.
- */
- private void usage()
- {
- System.err.println( "usage: " + this.getClass().getName() +
- " <input-file> <output-file> <search-string> <Message>" );
- }
-}
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