Package test.pdfbox.pdmodel

Source Code of test.pdfbox.pdmodel.TestFDF

/**
* 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 test.pdfbox.pdmodel;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.List;
import java.util.Map;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.pdfbox.cos.COSStream;
import org.pdfbox.cos.COSString;
import org.pdfbox.pdfparser.PDFStreamParser;
import org.pdfbox.pdmodel.PDDocument;
import org.pdfbox.pdmodel.fdf.FDFDocument;
import org.pdfbox.pdmodel.interactive.annotation.PDAppearanceStream;
import org.pdfbox.pdmodel.interactive.annotation.PDAnnotationWidget;
import org.pdfbox.pdmodel.interactive.form.PDAcroForm;
import org.pdfbox.pdmodel.interactive.form.PDField;
import org.pdfbox.pdmodel.interactive.form.PDRadioCollection;
import org.pdfbox.pdmodel.interactive.form.PDTextbox;

/**
* This will test the FDF algorithms in PDFBox.
*
* @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
* @version $Revision: 1.7 $
*/
public class TestFDF extends TestCase
{
    //private static Logger log = Logger.getLogger(TestFDF.class);

    /**
     * Constructor.
     *
     * @param name The name of the test to run.
     */
    public TestFDF( String name )
    {
        super( name );
    }

    /**
     * This will get the suite of test that this class holds.
     *
     * @return All of the tests that this class holds.
     */
    public static Test suite()
    {
        return new TestSuite( TestFDF.class );
    }

    /**
     * infamous main method.
     *
     * @param args The command line arguments.
     */
    public static void main( String[] args )
    {
        String[] arg = {TestFDF.class.getName() };
        junit.textui.TestRunner.main( arg );
    }

    /**
     * This will test some simple field setting.
     *
     * @throws Exception If there is an exception while encrypting.
     */
    public void testFDFfdeb() throws Exception
    {
        PDDocument fdeb = null;
        try
        {
            fdeb = PDDocument.load( "test/input/fdeb.pdf" );
            PDAcroForm form = fdeb.getDocumentCatalog().getAcroForm();
            PDTextbox field = (PDTextbox)form.getField( "f67_1" );
            field.setValue( "2" );
           
            String expected =
                "/Tx BMC " +
                "BT " +
                "/Helv 9 Tf " +
                " 0 g " +
                " 2 1.985585 Td " +
                "2.07698 0 Td " +
                "(2) Tj " +
                "ET " +
                "EMC";
           
            testContentStreams( fdeb, field, expected );
        }
        finally
        {
            if( fdeb != null )
            {
                fdeb.close();
            }
        }
       
    }
   
    /**
     * This will test a pdf with lots of fields.
     *
     * @throws Exception If there is an exception while encrypting.
     */
    public void testFDFPDFWithLotsOfFields() throws Exception
    {
        PDDocument fdeb = null;
        try
        {
            fdeb = PDDocument.load( "test/input/pdf_with_lots_of_fields.pdf" );
            PDAcroForm form = fdeb.getDocumentCatalog().getAcroForm();
            PDTextbox feld2 = (PDTextbox)form.getField( "Feld.2" );
            feld2.setValue( "Benjamin" );
           
            String expected =
            "1 1 0.8000000119 rg " +
            " 0 0 127.5 19.8299999237 re " +
            " f " +
            " 0 0 0 RG " +
            " 1 w " +
            " 0.5 0.5 126.5 18.8299999237 re " +
            " S " +
            " 0.5 g " +
            " 1 1 m " +
            " 1 18.8299999237 l " +
            " 126.5 18.8299999237 l " +
            " 125.5 17.8299999237 l " +
            " 2 17.8299999237 l " +
            " 2 2 l " +
            " 1 1 l " +
            " f " +
            " 0.75 g " +
            " 1 1 m " +
            " 126.5 1 l " +
            " 126.5 18.8299999237 l " +
            " 125.5 17.8299999237 l " +
            " 125.5 2 l " +
            " 2 2 l " +
            " 1 1 l " +
            " f " +
            " /Tx BMC  " +
            "BT " +
            "/Helv 14 Tf " +
            " 0 0 0 rg " +
            " 4 4.721 Td " +
            "(Benjamin) Tj " +
            "ET " +
            "EMC";
           
            testContentStreams( fdeb, feld2, expected );
           
            PDRadioCollection feld3 = (PDRadioCollection)form.getField( "Feld.3" );
            feld3.setValue("RB1");
            assertEquals( "RB1", feld3.getValue() );
            //assertEquals( ((PDCheckbox)feld3.getKids().get( 0 )).getValue(), "RB1" );
           
        }
        finally
        {
            if( fdeb != null )
            {
                fdeb.close();
            }
        }
    }
   
    /**
     * This will test the Freedom pdf.
     *
     * @throws Exception If there is an error while testing.
     */
    public void testFDFFreedomExpressions() throws Exception
    {
        PDDocument freedom = null;
        FDFDocument fdf = null;
        try
        {
            freedom = PDDocument.load( "test/input/FreedomExpressions.pdf" );
            fdf = FDFDocument.load( "test/input/FreedomExpressions.fdf" );
            PDAcroForm form = freedom.getDocumentCatalog().getAcroForm();
            form.importFDF( fdf );
            PDTextbox feld2 = (PDTextbox)form.getField( "eeFirstName" );
            List kids = feld2.getKids();
            PDField firstKid = (PDField)kids.get( 0 );
            PDField secondKid = (PDField)kids.get( 1 );
            testContentStreamContains( freedom, firstKid, "Steve" );
            testContentStreamContains( freedom, secondKid, "Steve" );
           
            //the appearance stream is suppose to be null because there
            //is an F action in the AA dictionary that populates that field.
            PDField totalAmt = form.getField( "eeSuppTotalAmt" );
            assertTrue( totalAmt.getDictionary().getDictionaryObject( "AP" ) == null );
           
        }
        finally
        {
            if( freedom != null )
            {
                freedom.close();
            }
            if( fdf != null )
            {
                fdf.close();
            }
        }
    }
   
    private void testContentStreamContains( PDDocument doc, PDField field, String expected ) throws Exception
    {
        PDAnnotationWidget widget = field.getWidget();
        Map normalAppearance = widget.getAppearance().getNormalAppearance();
        PDAppearanceStream appearanceStream = (PDAppearanceStream)normalAppearance.get( "default" );
        COSStream actual = appearanceStream.getStream();
       
        List actualTokens = getStreamTokens( doc, actual );
        assertTrue( actualTokens.contains( new COSString( expected ) ) );
    }
   
    private void testContentStreams( PDDocument doc, PDField field, String expected ) throws Exception
    {
        PDAnnotationWidget widget = field.getWidget();
        Map normalAppearance = widget.getAppearance().getNormalAppearance();
        PDAppearanceStream appearanceStream = (PDAppearanceStream)normalAppearance.get( "default" );
        COSStream actual = appearanceStream.getStream();
       
        List actualTokens = getStreamTokens( doc, actual );
        List expectedTokens = getStreamTokens( doc, expected );
        assertEquals( actualTokens.size(), expectedTokens.size() );
        for( int i=0; i<actualTokens.size(); i++ )
        {
            Object actualToken = actualTokens.get( i );
            Object expectedToken = expectedTokens.get( i );
            assertEquals( actualToken, expectedToken );
        }
    }
   
    private List getStreamTokens( PDDocument doc, String string ) throws IOException
    {
        PDFStreamParser parser;

        List tokens = null;
        if( string != null )
        {
            ByteArrayInputStream stream = new ByteArrayInputStream( string.getBytes() );
            parser = new PDFStreamParser( stream, doc.getDocument().getScratchFile() );
            parser.parse();
            tokens = parser.getTokens();
        }
        return tokens;
    }
   
    private List getStreamTokens( PDDocument doc, COSStream stream ) throws IOException
    {
        PDFStreamParser parser;

        List tokens = null;
        if( stream != null )
        {
            parser = new PDFStreamParser( stream );
            parser.parse();
            tokens = parser.getTokens();
        }
        return tokens;
    }
}
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