org.apache.lucene.util
Class CodecUtil

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

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