khoji.PDFdoc.java Source code

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Here is the source code for khoji.PDFdoc.java

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/*
 * Copyright 2014 Mohd Azeem.
 *
 * Licensed 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 khoji;

import org.apache.pdfbox.exceptions.InvalidPasswordException;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.util.PDFTextStripper;

/**
 *
 * @author Mohd Azeem
 */
public class PDFdoc {

    /**
     *
     * @param doc_path
     * @return
     * @throws Exception
     */
    public String extractPDF(String doc_path) throws Exception {

        PDDocument document = null;
        try {
            document = PDDocument.load(doc_path);
            if (document.isEncrypted()) {
                try {
                    document.decrypt("");
                } catch (InvalidPasswordException e) {
                    System.err.println("Error: Document is encrypted with a password.");
                    System.exit(1);
                }
            }

            PDFTextStripper stripper = new PDFTextStripper();
            String text = "";
            text = stripper.getText(document);
            //            System.out.println("text:"+text);
            return text;
        } finally {
            if (document != null) {
                document.close();
            }
        }

    }
}