Removing some warnings from empty structure names

sbliven · sbliven · commit 7a1b15843d3a · 2017-02-15T22:29:09.000+01:00
diff --git a/biojava-structure/src/main/java/org/biojava/nbio/structure/align/multiple/MultipleAlignmentEnsembleImpl.java b/biojava-structure/src/main/java/org/biojava/nbio/structure/align/multiple/MultipleAlignmentEnsembleImpl.java
@@ -161,7 +161,8 @@ public MultipleAlignmentEnsembleImpl(AFPChain afp, Atom[] ca1, Atom[] ca2,
 		this();
 		// Copy all the creation and algorithm information
 		atomArrays = Arrays.asList(ca1, ca2);
-		if (afp.getName1() != null && afp.getName2() != null) {
+		if (afp.getName1() != null && !afp.getName1().isEmpty() &&
+				afp.getName2() != null && !afp.getName2().isEmpty()) {
 			structureIdentifiers = Arrays.<StructureIdentifier> asList(
 					new StructureName(afp.getName1()),
 					new StructureName(afp.getName2()));
