com.bazaarvoice.jolt
Class Diffy

java.lang.Object
  com.bazaarvoice.jolt.Diffy

Direct Known Subclasses:

ArrayOrderObliviousDiffy

public class Diffy
extends Object

Json Diff tool that will walk two "Json" objects simultaneously and identify mismatches. Algorithm : 1) make a copy of both input objects 2) walk both objects and _remove_ items that match 3) return what is left of the two objects in the Result In the case a full / "sucessful" match, Diffy returns a Result object with isEmpty() == true.

Nested Class Summary

static class

Diffy.Result Contains the unmatched fields from the Diffy operation.

Constructor Summary

Diffy()

Method Summary

Diffy.Result	diff(Object expected, Object actual)
protected Diffy.Result	diffHelper(Object expected, Object actual)
protected Diffy.Result	diffList(List expected, List actual)
protected Diffy.Result	diffMap(Map<String,Object> expected, Map<String,Object> actual)
protected Diffy.Result	diffScalar(Object expected, Object actual)
protected boolean	scalarEquals(Object expected, Object actual) Allow subclasses to handle things like Long 0 versus Int 0.

Methods inherited from class java.lang.Object

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

Constructor Detail

Diffy

public Diffy()

Method Detail

diff

public Diffy.Result diff(Object expected,
                         Object actual)

diffHelper

protected Diffy.Result diffHelper(Object expected,
                                  Object actual)

diffMap

protected Diffy.Result diffMap(Map<String,Object> expected,
                               Map<String,Object> actual)

diffList

protected Diffy.Result diffList(List expected,
                                List actual)

diffScalar

protected Diffy.Result diffScalar(Object expected,
                                  Object actual)

scalarEquals

protected boolean scalarEquals(Object expected,
                               Object actual)

Allow subclasses to handle things like Long 0 versus Int 0. They should be the same, but the .equals doesn't handle it.