fix classpath check

nidi3 · nidi3 · commit 77901229ca0a · 2020-03-08T23:49:36.000+01:00
diff --git a/graphviz-java/src/main/java/guru/nidi/graphviz/engine/IoUtils.java b/graphviz-java/src/main/java/guru/nidi/graphviz/engine/IoUtils.java
@@ -33,7 +33,11 @@ static String readStream(InputStream in) throws IOException {
     }
 
     static boolean isOnClasspath(String resource) {
-        return Thread.currentThread().getContextClassLoader().getResourceAsStream(resource) != null;
+        try (final InputStream stream = Thread.currentThread().getContextClassLoader().getResourceAsStream(resource)) {
+            return stream != null;
+        } catch (IOException e) {
+            throw new AssertionError(e);
+        }
     }
 
     static void closeQuietly(AutoCloseable c) {

Original file line number	Diff line number	Diff line change
`@@ -33,7 +33,11 @@ static String readStream(InputStream in) throws IOException {`
`33`	`33`	`}`
`34`	`34`
`35`	`35`	`static boolean isOnClasspath(String resource) {`
`36`		`- return Thread.currentThread().getContextClassLoader().getResourceAsStream(resource) != null;`
	`36`	`+ try (final InputStream stream = Thread.currentThread().getContextClassLoader().getResourceAsStream(resource)) {`
	`37`	`+ return stream != null;`
	`38`	`+ } catch (IOException e) {`
	`39`	`+ throw new AssertionError(e);`
	`40`	`+ }`
`37`	`41`	`}`
`38`	`42`
`39`	`43`	`static void closeQuietly(AutoCloseable c) {`