ExtractMetadataFromDocumentNew.Java

// Create an instance of Parser class
try (Parser parser = new Parser("sample.docx")) {
    // Extract metadata from Word document (.docx)
    Iterable<MetadataItem> metadata = parser.getMetadata();
    // Check if metadata extraction is supported
    if (metadata == null) {
        System.out.println("Metadata extraction isn't supported.");
        return;
    }
    // Print metadata
    for (MetadataItem item : metadata) {
        System.out.println(String.format("%s = %s", item.getName(), item.getValue()));
    }
}

ExtractMetadataFromDocumentOld.Java

// Create an extractor factory
ExtractorFactory factory = new ExtractorFactory();
// Create a metadata extractor
MetadataExtractor extractor = factory.createMetadataExtractor(filePath);
// Extract metadata from Word document
MetadataCollection metadata = extractor.extractMetadata(filePath);
// Print metadata
for (String key : metadata.getKeys()) {
    String value = metadata.get_Item(key);
    System.out.println(String.format("%s = %s", key, value));
}

ExtractTextFromPDFInJavaNew.java

// Create an instance of Parser class
try (Parser parser = new Parser("sample.pdf")) {
    // Extract a text from PDF document to the reader
    try (TextReader reader = parser.getText()) {
        // Check if text extraction is supported
        if (reader == null) {
            System.out.println("Text extraction isn't supported.");
            return;
        }
        // Extract a text from the reader
        String textLine = null;
        do {
            textLine = reader.readLine();
            if (textLine != null) {
                System.out.println(textLine);
            }
        }
        while (textLine != null);
    }
}

ExtractTextFromPDFInJavaOld.java

// Create an extractor factory
ExtractorFactory factory = new ExtractorFactory();
// Create a text extractor
try (TextExtractor extractor = factory.createTextExtractor("sample.pdf")) {
    // Extract a text from the text extractor
    String textLine = null;
    do {
        textLine = extractor.extractLine();
        if (textLine != null) {
            System.out.println(textLine);
        }
    }
    while (textLine != null);
}