Merge remote-tracking branch 'origin/master'

Author: NathanSweet

pom.xml

@@ -65,37 +65,44 @@
 		<pluginManagement>
 			<plugins>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-resources-plugin</artifactId>
-					<version>2.6</version>
+					<version>3.0.2</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-surefire-plugin</artifactId>
-					<version>2.12.4</version>
+					<version>2.19.1</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-compiler-plugin</artifactId>
-					<version>2.5.1</version>
+					<version>3.6.1</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-source-plugin</artifactId>
-					<version>2.2.1</version>
+					<version>3.0.1</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-javadoc-plugin</artifactId>
-					<version>2.9</version>
+					<version>2.10.4</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-gpg-plugin</artifactId>
-					<version>1.4</version>
+					<version>1.6</version>
 				</plugin>
 				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-deploy-plugin</artifactId>
-					<version>2.7</version>
+					<version>2.8.2</version>
 				</plugin>
 				<plugin>
 					<groupId>org.nuiton</groupId>
 					<artifactId>helper-maven-plugin</artifactId>
-					<version>2.0</version>
+					<version>2.3.2</version>
 				</plugin>
 			</plugins>
 		</pluginManagement>

src/com/esotericsoftware/yamlbeans/Beans.java

@@ -24,6 +24,7 @@
 import java.lang.reflect.Modifier;
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
+import java.lang.reflect.WildcardType;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
@@ -289,7 +290,18 @@ private Class getElementTypeFromGenerics (Type type) {
 				if (isCollection(rawType) || isMap(rawType)) {
 					Type[] actualTypeArguments = parameterizedType.getActualTypeArguments();
 					if (actualTypeArguments.length > 0) {
-						return (Class)actualTypeArguments[actualTypeArguments.length - 1];
+						final Type cType = actualTypeArguments[actualTypeArguments.length - 1];
+						if (cType instanceof Class) {
+							return (Class) cType;
+						} else if (cType instanceof WildcardType) {
+							WildcardType t = (WildcardType) cType;
+							final Type bound = t.getUpperBounds()[0];
+							return bound instanceof Class ? (Class) bound : null;
+						} else if (cType instanceof ParameterizedType) {
+							ParameterizedType t = (ParameterizedType) cType;
+							final Type rt = t.getRawType();
+							return rt instanceof Class ? (Class) rt : null;
+						}
 					}
 				}
 			}