Adds support for icons to the Ilograph exporter (#332).

Author: simonbrowndotje

structurizr-export/src/main/java/com/structurizr/export/ilograph/IlographExporter.java

@@ -16,6 +16,8 @@
  */
 public class IlographExporter extends AbstractWorkspaceExporter {
 
+    public static final String ILOGRAPH_ICON = "ilograph.icon";
+
     public WorkspaceExport export(Workspace workspace) {
         IndentingWriter writer = new IndentingWriter();
         writer.writeLine("resources:");
@@ -216,6 +218,15 @@ private void writeElement(IndentingWriter writer, Workspace workspace, Element e
             writer.writeLine(String.format("backgroundColor: \"%s\"", elementStyle.getBackground()));
         }
         writer.writeLine(String.format("color: \"%s\"", elementStyle.getColor()));
+
+        String icon = elementStyle.getProperties().get(ILOGRAPH_ICON);
+        if (StringUtils.isNullOrEmpty(icon)) {
+            icon = elementStyle.getIcon();
+        }
+        if (!StringUtils.isNullOrEmpty(icon)) {
+            writer.writeLine(String.format("icon: \"%s\"", icon));
+        }
+
         writer.writeLine();
         writer.outdent();
     }

structurizr-export/src/test/java/com/structurizr/export/ilograph/54915.ilograph

@@ -27,27 +27,31 @@ resources:
     subtitle: "[Deployment Node]"
     backgroundColor: "#ffffff"
     color: "#232f3e"
+    icon: "https://static.structurizr.com/themes/amazon-web-services-2020.04.30/[email protected]"
 
     children:
       - id: "6"
         name: "US-East-1"
         subtitle: "[Deployment Node]"
         backgroundColor: "#ffffff"
         color: "#147eba"
+        icon: "https://static.structurizr.com/themes/amazon-web-services-2020.04.30/[email protected]"
 
         children:
           - id: "12"
             name: "Amazon RDS"
             subtitle: "[Deployment Node]"
             backgroundColor: "#ffffff"
             color: "#3b48cc"
+            icon: "https://static.structurizr.com/themes/amazon-web-services-2020.04.30/[email protected]"
 
             children:
               - id: "13"
                 name: "MySQL"
                 subtitle: "[Deployment Node]"
                 backgroundColor: "#ffffff"
                 color: "#3b48cc"
+                icon: "https://static.structurizr.com/themes/amazon-web-services-2020.04.30/[email protected]"
 
                 children:
                   - id: "14"
@@ -62,13 +66,15 @@ resources:
             subtitle: "[Deployment Node]"
             backgroundColor: "#ffffff"
             color: "#cc2264"
+            icon: "https://static.structurizr.com/themes/amazon-web-services-2020.04.30/[email protected]"
 
             children:
               - id: "10"
                 name: "Amazon EC2"
                 subtitle: "[Deployment Node]"
                 backgroundColor: "#ffffff"
                 color: "#d86613"
+                icon: "https://static.structurizr.com/themes/amazon-web-services-2020.04.30/[email protected]"
 
                 children:
                   - id: "11"
@@ -84,13 +90,15 @@ resources:
             description: "Highly available and scalable cloud DNS service."
             backgroundColor: "#ffffff"
             color: "#693cc5"
+            icon: "AWS/Networking/Route-53.svg"
 
           - id: "8"
             name: "Elastic Load Balancer"
             subtitle: "[Infrastructure Node]"
             description: "Automatically distributes incoming application traffic."
             backgroundColor: "#ffffff"
             color: "#693cc5"
+            icon: "https://static.structurizr.com/themes/amazon-web-services-2020.04.30/[email protected]"
 
 perspectives:
   - name: Static Structure

structurizr-export/src/test/java/com/structurizr/export/ilograph/IlographWriterTests.java renamed to structurizr-export/src/test/java/com/structurizr/export/ilograph/IlographExporterTests.java

@@ -2,21 +2,18 @@
 
 import com.structurizr.Workspace;
 import com.structurizr.export.AbstractExporterTests;
-import com.structurizr.export.Diagram;
 import com.structurizr.export.WorkspaceExport;
-import com.structurizr.export.dot.DOTExporter;
 import com.structurizr.model.CustomElement;
 import com.structurizr.model.Model;
 import com.structurizr.util.WorkspaceUtils;
-import com.structurizr.view.CustomView;
 import com.structurizr.view.ThemeUtils;
 import org.junit.jupiter.api.Test;
 
 import java.io.File;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
-public class IlographWriterTests extends AbstractExporterTests {
+public class IlographExporterTests extends AbstractExporterTests {
 
     @Test
     public void test_BigBankPlcExample() throws Exception {
@@ -31,6 +28,8 @@ public void test_BigBankPlcExample() throws Exception {
     @Test
     public void test_AmazonWebServicesExample() throws Exception {
         Workspace workspace = WorkspaceUtils.loadWorkspaceFromJson(new File("./src/test/resources/structurizr-54915-workspace.json"));
+        workspace.getViews().getConfiguration().getStyles().addElementStyle("Amazon Web Services - Route 53").addProperty(IlographExporter.ILOGRAPH_ICON, "AWS/Networking/Route-53.svg");
+
         ThemeUtils.loadThemes(workspace);
         IlographExporter ilographExporter = new IlographExporter();
         WorkspaceExport export = ilographExporter.export(workspace);