所有包含的字符集，以避免“java.nio.charset.MalformedInputException：Input length = 1”？ [英] All inclusive Charset to avoid "java.nio.charset.MalformedInputException: Input length = 1"?

问题描述

我在Java中创建一个简单的wordcount程序，读取目录的基于文本的文件。

I'm creating a simple wordcount program in Java that reads through a directory's text-based files.

但是，我一直收到错误：

However, I keep on getting the error:

java.nio.charset.MalformedInputException: Input length = 1

从这行代码：

BufferedReader reader = Files.newBufferedReader(file,Charset.forName("UTF-8"));

我知道我可能得到这个，因为我使用 Charset 不包括文本文件中的一些字符，其中一些包括其他语言的字符。但我想包含这些字符。

I know I probably get this because I used a Charset that didn't include some of the characters in the text files, some of which included characters of other languages. But I want to include those characters.

我后来在JavaDocs ， Charset 是可选的，仅用于更高效地读取文件，所以我将代码更改为：

I later learned at the JavaDocs that the Charset is optional and only used for a more efficient reading of the files, so I changed the code to:

BufferedReader reader = Files.newBufferedReader(file);

但有些文件仍然会引发 MalformedInputException 。我不知道为什么。

But some files still throw the MalformedInputException. I don't know why.

我想知道是否有一个全包 Charset

感谢。

推荐答案

您可能想要一个支持的编码列表。对于每个文件，依次尝试每个编码，可能从UTF-8开始。每次您捕获 MalformedInputException 时，请尝试下一个编码。

You probably want to have a list of supported encodings. For each file, try each encoding in turn, maybe starting with UTF-8. Every time you catch the MalformedInputException, try the next encoding.

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