show rendered image

added loading icon
image is scaled to available space

pdb-ui/src/main/java/org/lucares/pdbui/WebConfiguration.java

@@ -1,14 +1,27 @@
 package org.lucares.pdbui;
 
+import java.nio.file.Paths;
+
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
 
 @Configuration
-public class WebConfiguration extends WebMvcConfigurerAdapter {
+public class WebConfiguration extends WebMvcConfigurerAdapter implements HardcodedValues, PropertyKeys {
+
+	private final String outputDir;
+
+	public WebConfiguration(@Value("${" + PATH_GENERATED_IMAGES + "}") final String outputDir) {
+		this.outputDir = outputDir;
+	}
 
 	@Override
 	public void addResourceHandlers(final ResourceHandlerRegistry registry) {
-		registry.addResourceHandler("/img/**").addResourceLocations("file:" + MyWebapp.IMAGE_DIR);
+
+		final String pathPattern = "/" + WEB_IMAGE_OUTPUT_PATH + "/**";
+		final String resourceLocation = "file:" + Paths.get(outputDir).toAbsolutePath() + "/";
+
+		registry.addResourceHandler(pathPattern).addResourceLocations(resourceLocation);
 	}
 }