1 files changed, 118 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/composite-diagram/src/main/java/org/apache/tuscany/sca/diagram/artifacts/Style.java b/sca-java-2.x/tags/2.0.1-RC1/modules/composite-diagram/src/main/java/org/apache/tuscany/sca/diagram/artifacts/Style.java
new file mode 100644
index 0000000000..14e4e7e909
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/composite-diagram/src/main/java/org/apache/tuscany/sca/diagram/artifacts/Style.java
@@ -0,0 +1,118 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.diagram.artifacts;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.StringWriter;
+
+import org.w3c.dom.CDATASection;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+/**
+ * CSS style element
+ */
+public class Style {
+    private static final String DEFAULT_CSS = "rect.composite {" + "          fill: #E5E5E5;"
+        + "          stroke: #919191;"
+        + "          alignment-baseline: middle;"
+        + "      }\n"
+        + "      rect.component {"
+        + "          fill: #3D59AB;"
+        + "          stroke: #104E8B;"
+        + "          fill-opacity: 0.75;"
+        + "      }\n"
+        + "      rect.property {"
+        + "          fill: #EEEE00;"
+        + "          stroke: #EEC900;"
+        + "      }\n"
+        + "      polygon.reference {"
+        + "          fill: #BF3EFF;"
+        + "          stroke: #68228B;"
+        + "      }\n"
+        + "      polygon.service {"
+        + "          fill: #00CD66;"
+        + "          stroke: #008B45;"
+        + "      }\n"
+        + "      polyline.wire {"
+        + "          stroke-width: 2;"
+        + "          fill: none;"
+        + "      }\n"
+        + "      polyline.normalWire {"
+        + "      }\n"
+        + "      polyline.dashedWire {"
+        + "          stroke-dasharray: 3,3;"
+        + "      }\n"
+        + "      rect.layer {"
+        + "        fill: #E5E5D0;"
+        + "        stroke: #919191;"
+        + "        alignment-baseline: middle;"
+        + "      }\n";
+
+    private static volatile String css;
+
+    public Element addElement(Document document, String svgNs, String styleSheet) {
+
+        Element style = document.createElementNS(svgNs, "style");
+        style.setAttributeNS(null, "type", "text/css");
+
+        if (styleSheet == null) {
+            try {
+                if (css == null) {
+                    css = readCSS();
+                }
+            } catch (IOException e) {
+                // Ignore
+                css = DEFAULT_CSS;
+            }
+            styleSheet = css;
+        }
+
+        CDATASection cdata = document.createCDATASection(styleSheet);
+        style.appendChild(cdata);
+
+        return style;
+    }
+
+    private static String readCSS() throws IOException {
+        InputStream is = Style.class.getResourceAsStream("composite-diagram.css");
+        InputStreamReader reader = new InputStreamReader(is, "UTF-8");
+
+        StringWriter sw = new StringWriter();
+        char[] buf = new char[4096];
+        while (true) {
+            int size = reader.read(buf);
+            if (size < 0) {
+                break;
+            } else {
+                sw.write(buf, 0, size);
+            }
+        }
+        reader.close();
+        String template = sw.toString();
+        // return template.replaceFirst("/\\*(?:.|[\\n\\r])*?\\*/", ""); // Unfortunately it causes StackOverFlow in Apache Jenkins build
+        int i1 = template.indexOf("/*");
+        int i2 = template.indexOf("*/", i1);
+        String result = template.substring(0, i1) + template.substring(i2 + 2, template.length());
+        return result;
+    }
+}