Java I / O流过滤器的示例

问题描述

我正在寻找示例代码，演示如何创建可理解二进制数据的过滤器。例子中的链接非常感谢。

解决方案

举个好例子，我建议看一下 java.io.DataInputStream 。这个类向您展示了一种从二进制数据中解码原始类型和字符串的方法，从中可以生成更复杂的结构。



当然，其他应用程序可能会选择使用其他编码。例如，用于公共关键基础设施应用，它的文件格式是专为简洁而设计的。 / p>



如果您有Sun JDK，请在其顶部目录中查找src.zip。大多数IDE将会告诉你核心Java类的源代码，如果你告诉他们在哪里可以找到这个文件。


I am looking for example code that demonstrates how to create a filter that understands binary data. Links to examples are greatly appreciated.

解决方案

For a good example, I'd suggest taking a look at the source code for java.io.DataInputStream. This class shows you one way to decode primitive types and character strings from "binary" data, from which more complex structures can be produced.

Of course, other applications might choose to use other encodings. For example, the ASN.1 "distinguished encoding rules" are used for Public Key Infrastructure applications. Lucene provides good documentation for its file format, which is designed for compactness.

If you have the Sun JDK, look in its top directory for "src.zip". Most IDEs will show you the source code for the core Java classes if you tell them where to find this file.

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