Prevent projectURL exceptions bubbling up.

This commit prevents URL parsing exceptions in package projectURL strings
from bubbling up and causing BEAUti to produce incorrect "your
internet connection is broken" error messages.

Author: tgvaughan

src/beast/pkgmgmt/PackageManager.java

@@ -34,6 +34,7 @@
 
 
 
+import beast.base.core.Log;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.Node;
@@ -381,9 +382,14 @@ private static void loadURL(URL url, InputStream is, Map<String, Package> packag
 
                 PackageVersion packageVersion = new PackageVersion(element.getAttribute("version"));
 
-                if (element.hasAttribute("projectURL") &&
-                        !(pkg.getLatestVersion() != null && packageVersion.compareTo(pkg.getLatestVersion())<0))
-                    pkg.setProjectURL(new URL(element.getAttribute("projectURL")));
+                    if (element.hasAttribute("projectURL") &&
+                            !(pkg.getLatestVersion() != null && packageVersion.compareTo(pkg.getLatestVersion()) < 0)) {
+                        try {
+                            pkg.setProjectURL(new URL(element.getAttribute("projectURL")));
+                        } catch (MalformedURLException ex) {
+                            Log.warning.println("Error parsing projectURL: " + ex.getMessage());
+                        }
+                    }
 
                 Set<PackageDependency> packageDependencies = new HashSet<PackageDependency>();
                 NodeList depNodes = element.getElementsByTagName("depends");