# [PATCH JGIT] Equals method should not assume anything about the type of its argument

2 messages from 2009-04-29 to 2009-04-29. Participants: Sohn, Matthias, Shawn O. Pearce.
Thread: https://gitlist.dev/t/19131

## Sohn, Matthias, 2009-04-29 21:47

Subject: [PATCH JGIT] Equals method should not assume anything about the type of its argument
Message-ID: <366BBB1215D0AB4B8A153AF047A287800302A82C@dewdfe18.wdf.sap.corp>
URL: https://gitlist.dev/e/366BBB1215D0AB4B8A153AF047A287800302A82C%40dewdfe18.wdf.sap.corp

```
From: Matthias Sohn <matthias.sohn@sap.com>
The equals(Object o) method shouldn't make any assumptions about the
type of o. It should simply return false if o is not the same type as
this.

Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
---
Shawn Pearce <spearce@spearce.org> wrote:
> FWIW, your From header in the emails comes out "Sohn, Matthias"
> while your Signed-off-By is as above.  This means that when I slam
> your patch through git-am I get an author name of "Sohn, Matthias",
> which looks damn funny.  I have to remember to edit the patch after
> the fact to make it come out correct.
>
> Any change you can get your MUA to behave better?  Or is this
> Exchange enforcing a nice uniform standard... *sigh*

Didn't find a way to get around our Exchange server mangling the from header, 
hence trying to give From: in mail body. If this doesn't help I will issue a 
ticket for our Exchange administration to get this solved.

.../src/org/spearce/jgit/lib/AnyObjectId.java      |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/org.spearce.jgit/src/org/spearce/jgit/lib/AnyObjectId.java b/org.spearce.jgit/src/org/spearce/jgit/lib/AnyObjectId.java
index 2e3a43e..acb3cb5 100644
--- a/org.spearce.jgit/src/org/spearce/jgit/lib/AnyObjectId.java
+++ b/org.spearce.jgit/src/org/spearce/jgit/lib/AnyObjectId.java
@@ -253,7 +253,10 @@ public boolean equals(final AnyObjectId other) {
 	}
 
 	public boolean equals(final Object o) {
-		return equals((AnyObjectId) o);
+		if (o instanceof AnyObjectId)
+			return equals((AnyObjectId) o);
+		else
+			return false;
 	}
 
 	/**
-- 
1.6.2.2.1669.g7eaf8

```

## Shawn O. Pearce, 2009-04-29 21:51

Subject: Re: [PATCH JGIT] Equals method should not assume anything about the type of its argument
Message-ID: <20090429215149.GK23604@spearce.org>
URL: https://gitlist.dev/e/20090429215149.GK23604%40spearce.org
In-Reply-To: <366BBB1215D0AB4B8A153AF047A287800302A82C@dewdfe18.wdf.sap.corp>

```
"Sohn, Matthias" <matthias.sohn@sap.com> wrote:
> From: Matthias Sohn <matthias.sohn@sap.com>
...
> Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
> Shawn Pearce <spearce@spearce.org> wrote:
> > FWIW, your From header in the emails comes out "Sohn, Matthias"
...
> Didn't find a way to get around our Exchange server mangling the from header, 
> hence trying to give From: in mail body. If this doesn't help I will issue a 
> ticket for our Exchange administration to get this solved.

Oh, yea, doing that works.  :-)

Thanks.

-- 
Shawn.

```
