- New -dotexecutable option.

- UmlGraphDoc supports @opt options.

(Contributed by Laird Nelson.)

src/org/umlgraph/doclet/Options.java

@@ -2,7 +2,7 @@
  * Create a graphviz graph based on the classes in the specified java
  * source files.
  *
- * (C) Copyright 2002-2005 Diomidis Spinellis
+ * (C) Copyright 2002-2010 Diomidis Spinellis
  *
  * Permission to use, copy, and distribute this software and its
  * documentation for any purpose and without fee is hereby granted,
@@ -134,6 +134,7 @@ public class Options implements Cloneable, OptionProvider {
     // would have been hidden by the hide pattern "java.*"
     // TODO: consider making this standard behaviour
     boolean strictMatching;    
+    String dotExecutable;
 
     Options() {
 	showQualified = false;
@@ -186,6 +187,7 @@ public class Options implements Cloneable, OptionProvider {
 	relativeLinksForSourcePackages = false;
 	nodeSep = 0.25;
 	rankSep = 0.5;
+    dotExecutable = "dot";
     }
 
     public Object clone() {
@@ -271,6 +273,7 @@ public class Options implements Cloneable, OptionProvider {
            option.equals("-collpackages") ||
            option.equals("-nodesep") ||
            option.equals("-ranksep") ||
+           option.equals("-dotexecutable") ||
            option.equals("-link"))
             return 2;
         else if(option.equals("-contextPattern"))
@@ -533,6 +536,8 @@ public class Options implements Cloneable, OptionProvider {
 	    }
 	} else if (opt[0].equals("-!ranksep")) {
 	    rankSep = 0.5;
+    } else if (opt[0].equals("-dotexecutable")) {
+        dotExecutable = opt[1];
 	} else
 	    ; // Do nothing, javadoc will handle the option or complain, if
                 // needed.

src/org/umlgraph/doclet/UmlGraph.java

@@ -2,7 +2,7 @@
  * Create a graphviz graph based on the classes in the specified java
  * source files.
  *
- * (C) Copyright 2002-2005 Diomidis Spinellis
+ * (C) Copyright 2002-2010 Diomidis Spinellis
  *
  * Permission to use, copy, and distribute this software and its
  * documentation for any purpose and without fee is hereby granted,

src/org/umlgraph/doclet/UmlGraphDoc.java

@@ -52,7 +52,7 @@ public class UmlGraphDoc {
 	try {
 	    String outputFolder = findOutputPath(root.options());
 
-	    Options opt = new Options();
+        Options opt = UmlGraph.buildOptions(root);
 	    opt.setOptions(root.options());
 	    // in javadoc enumerations are always printed
 	    opt.showEnumerations = true;
@@ -94,7 +94,7 @@ public class UmlGraphDoc {
 		packages.add(packageDoc.name());
     	    OptionProvider view = new PackageView(outputFolder, packageDoc, root, opt);
     	    UmlGraph.buildGraph(root, view, packageDoc);
-    	    runGraphviz(outputFolder, packageDoc.name(), packageDoc.name(), root);
+    	    runGraphviz(opt.dotExecutable, outputFolder, packageDoc.name(), packageDoc.name(), root);
     	    alterHtmlDocs(opt, outputFolder, packageDoc.name(), packageDoc.name(),
     		    "package-summary.html", Pattern.compile("</H2>"), root);
 	    }
@@ -113,7 +113,7 @@ public class UmlGraphDoc {
 	    else
 		view.setContextCenter(classDoc);
 	    UmlGraph.buildGraph(root, view, classDoc);
-	    runGraphviz(outputFolder, classDoc.containingPackage().name(), classDoc.name(), root);
+	    runGraphviz(opt.dotExecutable, outputFolder, classDoc.containingPackage().name(), classDoc.name(), root);
 	    alterHtmlDocs(opt, outputFolder, classDoc.containingPackage().name(), classDoc.name(),
 		    classDoc.name() + ".html", Pattern.compile("(Class|Interface|Enum) " + classDoc.name() + ".*") , root);
 	}
@@ -121,17 +121,18 @@ public class UmlGraphDoc {
 
     /**
      * Runs Graphviz dot building both a diagram (in png format) and a client side map for it.
-     * <p>
-     * At the moment, it assumes dot.exe is in the classpahth
      */
-    private static void runGraphviz(String outputFolder, String packageName, String name, RootDoc root) {
+    private static void runGraphviz(String dotExecutable, String outputFolder, String packageName, String name, RootDoc root) {
+    if (dotExecutable == null) {
+      dotExecutable = "dot";
+    }
 	File dotFile = new File(outputFolder, packageName.replace(".", "/") + "/" + name + ".dot");
 	File pngFile = new File(outputFolder, packageName.replace(".", "/") + "/" + name + ".png");
 	File mapFile = new File(outputFolder, packageName.replace(".", "/") + "/" + name + ".map");
 
 	try {
 	    Process p = Runtime.getRuntime().exec(new String [] {
-		"dot",
+		dotExecutable,
 		"-Tcmapx",
 		"-o",
 		mapFile.getAbsolutePath(),