将 RTF 文件转换为 PDF 的 Java 库。

Java library to convert RTF files to PDF.

提问by partha

I have a java desktop service. It currently uses velocity templates to create formatted RTF files. There are quite a few of those templates and changing them (or moving from velocity) is not an option.

我有一个 Java 桌面服务。它目前使用速度模板来创建格式化的 RTF 文件。有很多这样的模板，改变它们（或从速度移动）不是一种选择。

I am looking for a quick and easy way to change RTF files to PDF, using java code. I am already checked the following avenues. 1. iText 2. OpenOffice 3. JodConverter

我正在寻找一种使用 java 代码将 RTF 文件更改为 PDF 的快速简便的方法。我已经检查了以下途径。1. iText 2. OpenOffice 3. JodConverter

However, all of them are PDF creators. I need something that will convert RTF to PDF. Please help. Thanks.

但是，他们都是 PDF 创建者。我需要一些将 RTF 转换为 PDF 的东西。请帮忙。谢谢。

回答by Neon

I have been googling the same question for a long time here is my solution: Using documents4j and microsoft office 2010 (newer version not tried) (not needed to run in background). This solution CONVERTS .rtf to .pdf

我一直在谷歌上搜索同样的问题很长一段时间，这是我的解决方案：使用文档4j和microsoft office 2010（未尝试过较新版本）（不需要在后台运行）。此解决方案将 .rtf 转换为 .pdf

POM file:

POM文件：

<dependencies>
    <dependency>
        <groupId>com.documents4j</groupId>
        <artifactId>documents4j-api</artifactId>
        <version>0.2.1</version>
    </dependency>       

    <dependency>
        <groupId>com.documents4j</groupId>
        <artifactId>documents4j-util-conversion</artifactId>
        <version>0.2.1</version>
    </dependency>

    <dependency>
        <groupId>com.documents4j</groupId>
        <artifactId>documents4j-transformer</artifactId>
        <version>0.2.1</version>
    </dependency>

    <dependency>
        <groupId>com.documents4j</groupId>
        <artifactId>documents4j-util-all</artifactId>
        <version>0.2.1</version>
    </dependency>

    <dependency>
        <groupId>com.documents4j</groupId>
        <artifactId>documents4j-local</artifactId>
        <version>0.2.1</version>
    </dependency>
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-api</artifactId>
        <version>1.8.0-beta2</version>
    </dependency>
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-simple</artifactId>
        <version>1.8.0-beta2</version>
    </dependency>
    <dependency>
        <groupId>com.documents4j</groupId>
        <artifactId>documents4j-util-standalone</artifactId>
        <version>1.0.3</version>
    </dependency>
    <dependency>
        <groupId>com.documents4j</groupId>
        <artifactId>documents4j-transformer-msoffice-word</artifactId>
        <version>1.0.3</version>
    </dependency>
    <dependency>
        <groupId>com.google.guava</groupId>
        <artifactId>guava</artifactId>
        <version>23.0</version>
    </dependency>
</dependencies>

Include ALL of them! In .rtf file you need some of them for fonts and stuff like that. Example of use in java:

包括所有这些！在 .rtf 文件中，您需要其中一些用于字体和类似的东西。在java中的使用示例：

import com.documents4j.api.DocumentType;
import com.documents4j.api.IConverter;
import com.documents4j.job.LocalConverter;
import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;

/**
 *
 * @author Neon/Jan Madle
 */
public class NewMain {

/**
 * @param args the command line arguments
 * @throws java.io.FileNotFoundException
 */
public static void main(String[] args) throws FileNotFoundException,             IOException, InterruptedException, ExecutionException {

    ByteArrayOutputStream bo = new ByteArrayOutputStream();

    InputStream in = new BufferedInputStream(new FileInputStream(System.getProperty("user.dir") + File.separator +"out.rtf"));
    IConverter converter = LocalConverter.builder()
            .baseFolder(new File(System.getProperty("user.dir") + File.separator +"test"))
            .workerPool(20, 25, 2, TimeUnit.SECONDS)
            .processTimeout(5, TimeUnit.SECONDS)
            .build();

    Future<Boolean> conversion = converter
            .convert(in).as(DocumentType.RTF)
            .to(bo).as(DocumentType.PDF)
            .prioritizeWith(1000) // optional
            .schedule();
    conversion.get();
    try (OutputStream outputStream = new FileOutputStream("out.pdf")) {
        bo.writeTo(outputStream);
    }
    in.close();
    bo.close();
}
}

Hope someone finds this usefull!

希望有人觉得这很有用！

回答by Pradeep Simha

JODConverterhelps you to convert RTF files to PDF using Java. Latest version can be found here.

JODConverter可帮助您使用 Java 将 RTF 文件转换为 PDF。最新版本可以在这里找到。

As per their website,

根据他们的网站，

JODConverter, the Java OpenDocument Converter, converts documents between different office formats. It leverages OpenOffice.org, which provides arguably the best import/export filters for OpenDocument and Microsoft Office formats available today.

JODConverter，Java OpenDocument 转换器，可在不同办公格式之间转换文档。它利用 OpenOffice.org，它为当今可用的 OpenDocument 和 Microsoft Office 格式提供了可以说是最好的导入/导出过滤器。