fix jdk to 1.6

3 files changed, 14 insertions, 8 deletions

diff --git a/.travis.yml b/.travis.yml
index b36965e..710073b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: java
 jdk:
-- oraclejdk7
+- oraclejdk6
 
 install:
   - mvn install -DskipTests=true
diff --git a/core/src/main/java/fi/iki/elonen/NanoHTTPD.java b/core/src/main/java/fi/iki/elonen/NanoHTTPD.java
index b35dc15..a00f49e 100644
--- a/core/src/main/java/fi/iki/elonen/NanoHTTPD.java
+++ b/core/src/main/java/fi/iki/elonen/NanoHTTPD.java
@@ -1490,13 +1490,19 @@ public abstract class NanoHTTPD {
         return res;
     }
 
-    private static final void safeClose(Closeable closeable) {
-        if (closeable != null) {
-            try {
-                closeable.close();
-            } catch (IOException e) {
-                NanoHTTPD.LOG.log(Level.SEVERE, "Could not close", e);
+    private static final void safeClose(Object closeable) {
+        try {
+            if (closeable instanceof Closeable) {
+                ((Closeable) closeable).close();
+            } else if (closeable instanceof Socket) {
+                ((Socket) closeable).close();
+            } else if (closeable instanceof ServerSocket) {
+                ((ServerSocket) closeable).close();
+            } else {
+                throw new IllegalArgumentException("Unknown object to close");
             }
+        } catch (IOException e) {
+            NanoHTTPD.LOG.log(Level.SEVERE, "Could not close", e);
         }
     }
 
diff --git a/pom.xml b/pom.xml
index e2fb386..138699d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -292,7 +292,7 @@
 				<configuration>
 					<linkXref>true</linkXref>
 					<sourceEncoding>UTF-8</sourceEncoding>
-					<targetJdk>1.7</targetJdk>
+					<targetJdk>1.6</targetJdk>
 					<skipEmptyReport>false</skipEmptyReport>
 					<minimumTokens>50</minimumTokens>
 				</configuration>