java.lang.Object
- org.apache.lucene.util.CodecUtil

```
public final class CodecUtil
extends Object
```
Utility class for reading and writing versioned headers. This is useful to ensure that a file is in the format you think it is.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static int`	`checkHeader(DataInput in, String codec, int minVersion, int maxVersion)`
`static int`	`headerLength(String codec)`
`static DataOutput`	`writeHeader(DataOutput out, String codec, int version)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

writeHeader

public static DataOutput writeHeader(DataOutput out,
                                     String codec,
                                     int version)
                              throws IOException

Throws:: IOException

headerLength

public static int headerLength(String codec)

checkHeader

public static int checkHeader(DataInput in,
                              String codec,
                              int minVersion,
                              int maxVersion)
                       throws IOException

Throws:: IOException

Class CodecUtil

Method Summary

Methods inherited from class java.lang.Object

Method Detail

writeHeader

headerLength

checkHeader