com.amolik.misc.ExtractTextByArea.java Source code

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Here is the source code for com.amolik.misc.ExtractTextByArea.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.amolik.misc;

import org.apache.pdfbox.cos.COSDocument;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.text.PDFTextStripperByArea;

import java.awt.Rectangle;
import java.io.File;
import java.io.IOException;

/**
 * This is an example on how to extract text from a specific area on the PDF document.
 *
 * @author Ben Litchfield
 */
public final class ExtractTextByArea {
    private ExtractTextByArea() {
        //utility class and should not be constructed.
    }

    /**
     * This will print the documents text in a certain area.
     *
     * @param args The command line arguments.
     *
     * @throws IOException If there is an error parsing the document.
     */
    public static void main(String[] args) throws IOException {
        //args[0]= "E:\\Automation\\uphillit\\Fiscal_demo_data.pdf";
        //        if( args.length != 1 )
        //        {
        //            usage();
        //        }
        //        else
        //        {
        PDDocument document = null;
        try {
            document = PDDocument.load(new File("E:\\Automation\\uphillit\\Fiscal_demo_data.pdf"));
            int numberOfPages = document.getNumberOfPages();
            if (numberOfPages > 0) {

                PDPage page = (PDPage) document.getPages().get(0);
                System.out.println(page.getContents());
            }
            PDFTextStripperByArea stripper = new PDFTextStripperByArea();
            stripper.setSortByPosition(true);
            Rectangle rect = new Rectangle(3, 1, 600, 6000);
            stripper.addRegion("class1", rect);
            PDPage firstPage = document.getPage(0);
            stripper.extractRegions(firstPage);
            System.out.println("Text in the area:" + rect);
            System.out.println(stripper.getTextForRegion("class1"));
        } finally {
            if (document != null) {
                document.close();
            }
        }
        //       }
    }

    /**
     * This will print the usage for this document.
     */
    private static void usage() {
        System.err.println("Usage: java " + ExtractTextByArea.class.getName() + " <input-pdf>");
    }

}