RawZipDiff (TrueUpdate Core 0.5 API)

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net.java.trueupdate.core.zip.diff
Class RawZipDiff

java.lang.Object
  net.java.trueupdate.core.zip.diff.RawZipDiff

@Immutable public abstract class RawZipDiff
extends Object
extends Object

Compares two archives entry by entry. Archives may be ZIP, JAR, EAR or WAR files. This class requires you to implement its ZipFile and MessageDigest properties, but enables you to obtain the delta model besides diffing the input archives.

Author:: Christian Schlichtherle

Constructor Summary
`RawZipDiff()`

Method Summary
`protected abstract MessageDigest`	`digest()` Returns the message digest.
`protected abstract ZipInput`	`input1()` Returns the first input archive.
`protected abstract ZipInput`	`input2()` Returns the second input archive.
`DeltaModel`	`model()` Computes a delta model from the two input archives.
`void`	`output(ZipOutput delta)` Writes the delta ZIP file.

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

Constructor Detail

RawZipDiff

public RawZipDiff()

Method Detail

digest

protected abstract MessageDigest digest()

Returns the message digest.

input1

@WillNotClose
protected abstract ZipInput input1()

Returns the first input archive.

input2

@WillNotClose
protected abstract ZipInput input2()

Returns the second input archive.

model

public DeltaModel model()
                 throws IOException

Computes a delta model from the two input archives.

Throws:: IOException

output

public void output(@WillNotClose
                   ZipOutput delta)
            throws IOException

Writes the delta ZIP file.

Throws:: IOException