org.apache.maven.shared.jar.identification.hash

Class JarBytecodeHashAnalyzer

java.lang.Object

org.apache.maven.shared.jar.identification.hash.JarBytecodeHashAnalyzer

All Implemented Interfaces:

JarHashAnalyzer

@Singleton
 @Named(value="bytecode")
public class JarBytecodeHashAnalyzer
extends Object
implements JarHashAnalyzer

Analyzer that calculates the hash code for the entire file. Can be used to detect an exact copy of the file's class data. Useful to see thru a recompile, recompression, or timestamp change.

Constructor Summary

Constructors

Constructor and Description
JarBytecodeHashAnalyzer()

Method Summary

Modifier and Type	Method and Description
String	computeHash(JarAnalyzer jarAnalyzer) Compute the hash for the JAR.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JarBytecodeHashAnalyzer

public JarBytecodeHashAnalyzer()

Method Detail

computeHash

public String computeHash(JarAnalyzer jarAnalyzer)

Description copied from interface: JarHashAnalyzer

Compute the hash for the JAR. The hashcode will then be cached in the JAR data class for later use.

Specified by:

computeHash in interface JarHashAnalyzer

Parameters:

jarAnalyzer - the JAR analyzer to use to obtain the entries to hash

Returns:

the hash, or null if not able to be computed due to an exception.