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Redact TXT Formats in Java

Native and high performance TXT document sensitive redaction information using Java APIs, without the use of any software like Microsoft or Adobe PDF.

How to Redact TXT File Using Java

In order to redact TXT file, we’ll use

Aspose.Words for Java

API which is a feature-rich, powerful and easy to use redaction API for Java platform. You can download its latest version directly from

Maven

and install it within your Maven-based project by adding the following configurations to the pom.xml.

Repository


<repository>
<id>AsposeJavaAPI</id>
<name>Aspose Java API</name>
<url>https://repository.aspose.com/repo/</url>
</repository>

Dependency

<dependency>
<groupId>com.aspose</groupId>
<artifactId>aspose-words</artifactId>
<version>version of aspose-words API</version>
<classifier>jdk17</classifier>
</dependency>

Steps to Redact TXT Files in Java

A basic document search and replace text in contents, comments or metadata can be done with just few lines of code. Redact sensitive information through search and replace text in contents, comments or metadata in Word documents.

  • Instantiate Document class.
  • Create FindReplaceOptions object.
  • Set Pattern
  • Use Replace method with relevant options.
  • Save document.

System Requirements

Before integrating the code, make sure that you have the following prerequisites.

  • Microsoft Windows or a compatible OS with Java Runtime Environment for JSP/JSF Application and Desktop Applications.
  • Get latest version of Aspose.Words for Java directly from Maven .
 

Redact TXT Files - Java

Document txt = new Document();
DocumentBuilder builder = new DocumentBuilder(txt);
builder.writeln("sad mad bad");
		
if(txt.getText().trim() == "sad mad bad"){
	System.out.println("Strings are equal!");
}

// Replaces all occurrences of the words "sad" or "mad" to "bad".
FindReplaceOptions options = new FindReplaceOptions();
txt.getRange().replace(Pattern.compile("[s|m]ad"), "bad", options);

// Save the TXT document.
txt.save(dataDir + "output.txt");
 
  • Java Words API can be used to load, view and convert Microsoft Word and OpenDocument Formats like DOC, DOCX, ODT to PDF, XPS, HTML and various other formats. You can also create new documents from scratch and save them in the supported formats. It is a standalone API that is suitable for server side and backend systems where high performance is required. It does not depend on any software like Microsoft or OpenOffice. ‎

    Online TXT Redaction Live Demos

    TXT What is TXT File Format

    A file with .TXT extension represents a text document that contains plain text in the form of lines. Paragraphs in a text document are recognized by carriage returns and are used for better arrangement of file contents. A standard text document can be opened in any text editor or word processing application on different operating systems. All the text contained in such a file is in human-readable format and represented by sequence of characters.

    Read More

    Other Supported Redaction Documents

    Using Java, one can easily redact different formats including.

    DOC (Microsoft Word Binary Format)
    DOCX (Office 2007+ Words Document)
    DOT (Microsoft Word Template Files)
    DOTX (Microsoft Word Template File)
    HTML (Hyper Text Markup Language)
    MD (Markdown Language)
    MHTML (Web Page Archive Format)
    ODT (OpenDocument Text File Format)
    OTT (OpenDocument Standard Format)
    RTF (Rich Text Format)
    XHTML (XML Text Based Markup)