Example usage for com.lowagie.text.pdf.parser PdfTextExtractor getTextFromPage

Introduction

In this page you can find the example usage for com.lowagie.text.pdf.parser PdfTextExtractor getTextFromPage.

Prototype

public String getTextFromPage(int page) throws IOException 

Source Link

Document

Gets the text from a page.

Usage

From source file:de.offis.health.icardea.cied.pdf.extractor.PDFiText2Extractor.java

License:LGPL

public String getText(int pageNumber) throws IOException, Exception {
    String returnValue = null;//  w w  w .  j  a v  a 2 s . c o m

    if (pdfReader != null) {
        int numberOfPages = getNumberOfPages();

        if (pageNumber > 0 && pageNumber <= numberOfPages) {
            PdfTextExtractor pdfTextExtractor = new PdfTextExtractor(pdfReader);
            String extractedText = pdfTextExtractor.getTextFromPage(pageNumber);
            if (extractedText != null && extractedText.trim().length() > 0) {
                returnValue = PAGE_START_MARKER + extractedText;
            } // end if
        } else {
            // TODO: Add own exception.
            throw new Exception("The given page number (" + pageNumber + ") "
                    + "is not in the range of valid pages (1.." + numberOfPages + ").");
        } // end if..else
    } else {
        // TODO: Add own exception.
        throw new Exception("There is no open PDF to work with.");
    } // end if..else
    return returnValue;
}

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From source file:net.laubenberger.bogatyr.helper.HelperPdf.java

License:Open Source License

/**
 * Returns the text of a given PDF as {@link String}.
 * //w w w  .j  av  a2  s . c  o  m
 * @param file
 *           input as PDF
 * @return text of the given PDF
 * @throws IOException
 * @see File
 * @since 0.9.3
 */
public static String getText(final File file) throws IOException { // $JUnit$
    if (log.isDebugEnabled())
        log.debug(HelperLog.methodStart(file));
    if (null == file) {
        throw new RuntimeExceptionIsNull("file"); //$NON-NLS-1$
    }

    final PdfReader pdfReader = new PdfReader(file.getAbsolutePath());
    final PdfTextExtractor pdfExtractor = new PdfTextExtractor(pdfReader);

    final StringBuilder sb = new StringBuilder();

    for (int page = 1; page <= pdfReader.getNumberOfPages(); page++) {
        sb.append(pdfExtractor.getTextFromPage(page));
        sb.append(HelperString.NEW_LINE);
    }
    final String result = sb.toString();

    if (log.isDebugEnabled())
        log.debug(HelperLog.methodExit(result));
    return result;
}

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