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Java：将InputStream转换为OutputStream

[英]Java: Convert an InputStream to an OutputStream

原文 2015-06-03 03:32:25 2 1 java/ properties/ inputstream/ outputstream

I'm attempting to extend java.util.Properties so that when the properties file is written the entire file is encrypted. 我正在尝试扩展java.util.Properties，以便在写入属性文件时对整个文件进行加密。 This I have a POC working, and seems easy enough to do. 我有一个POC，似乎很容易做到。

In addition, I'm trying to make it so that when a non-encrypted properties file is read, it is immediately written back out as an encrypted properties file. 另外，我正在尝试使之成为一个读取非加密的属性文件时，将其立即写回为加密的属性文件。 This I'm having a more difficult time with. 这让我遇到了更多困难。

Since the "load" method of the java.util.Properties only passes in an InputStream, I need some mechanism to turn the InputStream into an OutputStream to send the encrypted content to. 由于java.util.Properties的“ load”方法仅传入InputStream，因此我需要某种机制将InputStream转换为OutputStream以便将加密的内容发送到该方法。

Is this possible to do, or is there no way to get an Outputstream from an InputStream? 这是可能做到的，还是没有办法从InputStream获取Outputstream？

1 个解决方案

我建议将InputStream中的值保存到字符串中，然后使用java.util.Properties store方法将数据写入加密的属性文件中。

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