From: David ‘Bombe’ Roden <bombe@pterodactylus.net>
Date: Sun, 10 Nov 2013 14:28:12 +0000 (+0100)
Subject: React correctly when parameters are not given.
X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=78443031f591347e11bad7e3cc8d80df6c30ce1d;p=Sone.git

React correctly when parameters are not given.
---

diff --git a/src/main/java/net/pterodactylus/sone/template/ImageLinkFilter.java b/src/main/java/net/pterodactylus/sone/template/ImageLinkFilter.java
index 692b1cb..ea863f9 100644
--- a/src/main/java/net/pterodactylus/sone/template/ImageLinkFilter.java
+++ b/src/main/java/net/pterodactylus/sone/template/ImageLinkFilter.java
@@ -73,11 +73,11 @@ public class ImageLinkFilter implements Filter {
 		if (image == null) {
 			return null;
 		}
-		String imageClass = String.valueOf(parameters.get("class"));
+		String imageClass = getParameterAsString(parameters, "class");
 		int maxWidth = Numbers.safeParseInteger(parameters.get("max-width"), Integer.MAX_VALUE);
 		int maxHeight = Numbers.safeParseInteger(parameters.get("max-height"), Integer.MAX_VALUE);
-		String mode = String.valueOf(parameters.get("mode"));
-		String title = String.valueOf(parameters.get("title"));
+		String mode = getParameterAsString(parameters, "mode");
+		String title = getParameterAsString(parameters, "title");
 
 		TemplateContext linkTemplateContext = templateContextFactory.createTemplateContext();
 		linkTemplateContext.set("class", imageClass);
@@ -111,4 +111,9 @@ public class ImageLinkFilter implements Filter {
 		return stringWriter.toString();
 	}
 
+	private static String getParameterAsString(Map<String, Object> parameters, String key) {
+		Object parameter = parameters.get(key);
+		return (parameter == null) ? null : String.valueOf(parameter);
+	}
+
 }