Small optimization checking the file length

gnodet · gnodet · commit a440384bae3c · 2022-02-14T09:22:51.000+01:00
diff --git a/maven-plugin-tools-generators/src/main/java/org/apache/maven/tools/plugin/generator/CachingOutputStream.java b/maven-plugin-tools-generators/src/main/java/org/apache/maven/tools/plugin/generator/CachingOutputStream.java
@@ -49,7 +49,7 @@ public CachingOutputStream( Path path )
     public void close() throws IOException
     {
         byte[] data = toByteArray();
-        if ( Files.exists( path ) )
+        if ( Files.exists( path ) && Files.size( path ) == data.length )
         {
             byte[] old = Files.readAllBytes( path );
             if ( Arrays.equals( old, data ) )

Original file line number	Diff line number	Diff line change
`@@ -49,7 +49,7 @@ public CachingOutputStream( Path path )`
`49`	`49`	`public void close() throws IOException`
`50`	`50`	`{`
`51`	`51`	`byte[] data = toByteArray();`
`52`		`- if ( Files.exists( path ) )`
	`52`	`+ if ( Files.exists( path ) && Files.size( path ) == data.length )`
`53`	`53`	`{`
`54`	`54`	`byte[] old = Files.readAllBytes( path );`
`55`	`55`	`if ( Arrays.equals( old, data ) )`