JarBytecodeHashAnalyzer (Apache Maven JAR Utilities 1.2 API)

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java.lang.Object
- org.codehaus.plexus.logging.AbstractLogEnabled
- - org.apache.maven.shared.jar.identification.hash.JarBytecodeHashAnalyzer

All Implemented Interfaces:

JarHashAnalyzer, org.codehaus.plexus.logging.LogEnabled
```
public class JarBytecodeHashAnalyzer
extends org.codehaus.plexus.logging.AbstractLogEnabled
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.
If you are not using Plexus, you must call setDigester(org.codehaus.plexus.digest.StreamingDigester) before use

Plexus component:
role:
"org.apache.maven.shared.jar.identification.hash.JarHashAnalyzer"
role-hint:
"bytecode"

Constructor Summary

Constructors
Constructor and Description

JarBytecodeHashAnalyzer()

Method Summary

Methods
Modifier and Type	Method and Description
`String`	`computeHash(JarAnalyzer jarAnalyzer)` Compute the hash for the JAR.
`void`	`setDigester(org.codehaus.plexus.digest.StreamingDigester digester)`

Methods inherited from class org.codehaus.plexus.logging.AbstractLogEnabled
enableLogging, getLogger, setupLogger, setupLogger, setupLogger

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.
  - setDigester
```
public void setDigester(org.codehaus.plexus.digest.StreamingDigester digester)
```

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