Issue #42.

basic/src/main/java/org/jvnet/jaxb2_commons/plugin/util/StrategyClassUtils.java

@@ -5,6 +5,7 @@
 import java.lang.reflect.Modifier;
 
 import org.jvnet.jaxb2_commons.plugin.Ignoring;
+import org.jvnet.jaxb2_commons.util.JClassUtils;
 
 import com.sun.codemodel.JClass;
 import com.sun.codemodel.JCodeModel;
@@ -55,14 +56,24 @@ public static <T> JExpression createStrategyInstanceExpression(
 
 	public static <T> Boolean superClassImplements(ClassOutline classOutline,
 			Ignoring ignoring, Class<? extends T> theInterface) {
+		if (classOutline.implClass != null
+				&& classOutline.implClass._extends() != null) {
+			if (JClassUtils.isInstanceOf(classOutline.implClass._extends(),
+					theInterface)) {
+				return Boolean.TRUE;
+			}
+		}
+
 		if (classOutline.target.getBaseClass() != null) {
 			if (!ignoring.isIgnored(classOutline.parent().getClazz(
 					classOutline.target.getBaseClass()))) {
 				return Boolean.TRUE;
 			} else {
 				return Boolean.FALSE;
 			}
-		} else if (classOutline.target.getRefBaseClass() != null) {
+		}
+
+		if (classOutline.target.getRefBaseClass() != null) {
 			try {
 				if (theInterface.isAssignableFrom(Class
 						.forName(classOutline.target.getRefBaseClass()
@@ -75,9 +86,9 @@ public static <T> Boolean superClassImplements(ClassOutline classOutline,
 				// We'll assume it does implement
 				return Boolean.TRUE;
 			}
-		} else {
-			return null;
 		}
+		// Unknown
+		return null;
 	}
 
 	public static <T> Boolean superClassNotIgnored(ClassOutline classOutline,

tests/superclass/.gitignore

@@ -0,0 +1,2 @@
+.settings
+.project

tests/superclass/a/.gitignore

@@ -0,0 +1,4 @@
+.settings
+.project
+.classpath
+target

tests/superclass/a/pom.xml

@@ -0,0 +1,38 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.jvnet.jaxb2_commons</groupId>
+		<artifactId>jaxb2-basics-test-superclass</artifactId>
+		<version>0.10.1-SNAPSHOT</version>
+	</parent>
+	<artifactId>jaxb2-basics-test-superclass-a</artifactId>
+	<packaging>jar</packaging>
+	<name>JAXB2 Basics - Test [superclass-a]</name>
+	<build>
+		<defaultGoal>test</defaultGoal>
+		<plugins>
+			<plugin>
+				<groupId>org.jvnet.jaxb2.maven2</groupId>
+				<artifactId>maven-jaxb2-plugin</artifactId>
+				<configuration>
+					<extension>true</extension>
+					<args>
+						<arg>-XtoString</arg>
+						<arg>-Xequals</arg>
+						<arg>-XhashCode</arg>
+						<arg>-Xcopyable</arg>
+						<arg>-Xmergeable</arg>
+					</args>
+					<plugins>
+						<plugin>
+							<groupId>org.jvnet.jaxb2_commons</groupId>
+                                                	<artifactId>jaxb2-basics</artifactId>
+						</plugin>
+					</plugins>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+</project>

tests/superclass/a/src/main/resources/a.xsd

@@ -0,0 +1,11 @@
+<xsd:schema
+	xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+	targetNamespace="a"
+	xmlns:a="a"
+	elementFormDefault="qualified">
+
+	<xsd:complexType name="AbstractObject">
+		<xsd:attribute name="id" type="xsd:string" use="optional"/>
+	</xsd:complexType>
+
+</xsd:schema>

tests/superclass/a/src/main/resources/binding.xjb

@@ -0,0 +1,15 @@
+<jaxb:bindings
+	version="1.0"
+	xmlns:jaxb="http://java.sun.com/xml/ns/jaxb"
+	xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+	xmlns:xjc="http://java.sun.com/xml/ns/jaxb/xjc"
+	xmlns:hj="http://hyperjaxb3.jvnet.org/ejb/schemas/customizations"
+	jaxb:extensionBindingPrefixes="xjc"
+	xmlns:a="a">
+
+	<jaxb:bindings scd="x-schema::a">
+		<jaxb:schemaBindings>
+			<jaxb:package name="org.jvnet.jaxb2_commons.test.superclass.a"/>
+		</jaxb:schemaBindings>
+	</jaxb:bindings>
+</jaxb:bindings>

tests/superclass/b/.gitignore

@@ -0,0 +1,4 @@
+.settings
+.project
+.classpath
+target

tests/superclass/b/pom.xml

@@ -0,0 +1,61 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.jvnet.jaxb2_commons</groupId>
+		<artifactId>jaxb2-basics-test-superclass</artifactId>
+		<version>0.10.1-SNAPSHOT</version>
+	</parent>
+	<artifactId>jaxb2-basics-test-superclass-b</artifactId>
+	<packaging>jar</packaging>
+	<name>JAXB2 Basics - Test [superclass-b]</name>
+	<dependencies>
+		<dependency>
+			<groupId>org.jvnet.jaxb2_commons</groupId>
+			<artifactId>jaxb2-basics-test-superclass-a</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>org.jvnet.jaxb2_commons</groupId>
+			<artifactId>jaxb2-basics</artifactId>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.jvnet.jaxb2.maven2</groupId>
+			<artifactId>maven-jaxb2-plugin-testing</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+	<build>
+		<defaultGoal>test</defaultGoal>
+		<plugins>
+			<plugin>
+				<groupId>org.jvnet.jaxb2.maven2</groupId>
+				<artifactId>maven-jaxb2-plugin</artifactId>
+				<configuration>
+					<extension>true</extension>
+					<args>
+						<arg>-XtoString</arg>
+						<arg>-Xequals</arg>
+						<arg>-XhashCode</arg>
+						<arg>-Xcopyable</arg>
+						<arg>-Xmergeable</arg>
+					</args>
+					<plugins>
+						<plugin>
+							<groupId>org.jvnet.jaxb2_commons</groupId>
+                                                	<artifactId>jaxb2-basics</artifactId>
+						</plugin>
+					</plugins>
+					<episodes>
+						<episode>
+							<groupId>org.jvnet.jaxb2_commons</groupId>
+							<artifactId>jaxb2-basics-test-superclass-a</artifactId>
+						</episode>
+					</episodes>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+</project>

tests/superclass/b/src/main/resources/binding.xjb

@@ -0,0 +1,32 @@
+<jaxb:bindings
+	version="1.0"
+	xmlns:jaxb="http://java.sun.com/xml/ns/jaxb"
+	xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+	xmlns:xjc="http://java.sun.com/xml/ns/jaxb/xjc"
+	xmlns:hj="http://hyperjaxb3.jvnet.org/ejb/schemas/customizations"
+	jaxb:extensionBindingPrefixes="xjc"
+	xmlns:b="b">
+
+	<jaxb:globalBindings>
+		<xjc:superClass name="org.jvnet.jaxb2_commons.test.superclass.a.AbstractObject"/>
+	</jaxb:globalBindings>
+
+	<jaxb:bindings scd="x-schema::b">
+		<jaxb:schemaBindings>
+			<jaxb:package name="org.jvnet.jaxb2_commons.test.superclass.b"/>
+		</jaxb:schemaBindings>
+	</jaxb:bindings>
+
+	<!--jaxb:bindings scd="x-schema::a">
+		<jaxb:schemaBindings>
+			<jaxb:package name="org.jvnet.hyperjaxb3.ejb.tests.episodes.a.tests"/>
+		</jaxb:schemaBindings>
+		<jaxb:bindings scd="~a:AType">
+			<jaxb:class ref="org.jvnet.hyperjaxb3.ejb.tests.episodes.a.tests.AType"/>
+		</jaxb:bindings>
+		<jaxb:bindings scd="~a:A1Type">
+			<jaxb:class ref="org.jvnet.hyperjaxb3.ejb.tests.episodes.a.tests.A1Type"/>
+		</jaxb:bindings>
+	</jaxb:bindings-->
+
+</jaxb:bindings>

tests/superclass/b/src/main/resources/schema.xsd

@@ -0,0 +1,15 @@
+<xsd:schema
+	xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+	targetNamespace="b"
+	xmlns:b="b"
+	elementFormDefault="qualified">
+
+	<xsd:element name="AnotherObject" type="b:AnotherObjectType"/>
+
+	<xsd:complexType name="AnotherObjectType">
+		<xsd:sequence>
+			<xsd:element name="data" type="xsd:string"/>
+		</xsd:sequence>
+	</xsd:complexType>
+
+</xsd:schema>

tests/superclass/b/src/test/java/org/jvnet/jaxb2_commons/test/superclass/b/tests/CopyToTest.java

@@ -0,0 +1,20 @@
+package org.jvnet.jaxb2_commons.test.superclass.b.tests;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.jvnet.jaxb2_commons.test.superclass.b.AnotherObjectType;
+
+public class CopyToTest {
+
+	@Test
+	public void correctlyCopies() {
+		final AnotherObjectType source = new AnotherObjectType();
+		source.setId("Id");
+		source.setData("Data");
+		final AnotherObjectType target = (AnotherObjectType) source.clone();
+		Assert.assertEquals("Id", target.getId());
+		Assert.assertEquals("Data", target.getData());
+		Assert.assertEquals(source, target);
+		Assert.assertEquals(source.hashCode(), target.hashCode());
+	}
+}

tests/superclass/b/src/test/java/org/jvnet/jaxb2_commons/test/superclass/b/tests/RunPlugins.java

@@ -0,0 +1,42 @@
+package org.jvnet.jaxb2_commons.test.superclass.b.tests;
+
+import java.io.File;
+import java.net.URL;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import com.sun.codemodel.JCodeModel;
+import com.sun.tools.xjc.ConsoleErrorReporter;
+import com.sun.tools.xjc.ModelLoader;
+import com.sun.tools.xjc.Options;
+import com.sun.tools.xjc.model.Model;
+
+public class RunPlugins {
+
+	@Before
+	public void setUp() {
+		System.setProperty("javax.xml.accessExternalSchema", "all");
+	}
+
+	@Test
+	public void compilesSchema() throws Exception {
+
+		new File("target/generated-sources/xjc").mkdirs();
+
+		URL schema = getClass().getResource("/schema.xsd");
+		URL binding = getClass().getResource("/binding.xjb");
+		final String[] arguments = new String[] { "-xmlschema",
+				schema.toExternalForm(), "-b", binding.toExternalForm(), "-d",
+				"target/generated-sources/xjc", "-extension", "-XtoString",
+				"-Xequals", "-XhashCode", "-Xcopyable", "-Xmergeable" };
+
+		Options options = new Options();
+		options.parseArguments(arguments);
+		ConsoleErrorReporter receiver = new ConsoleErrorReporter();
+		Model model = ModelLoader.load(options, new JCodeModel(), receiver);
+		model.generateCode(options, receiver);
+		com.sun.codemodel.CodeWriter cw = options.createCodeWriter();
+		model.codeModel.build(cw);
+	}
+}

tests/superclass/b/src/test/samples/1.xml

@@ -0,0 +1,8 @@
+<b xmlns:a="a" xmlns="b">
+	<a:a>
+		<a:a1>test</a:a1>
+	</a:a>
+	<b>
+		<b1>test</b1>
+	</b>
+</b>

tests/superclass/pom.xml

@@ -0,0 +1,20 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" 
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.jvnet.jaxb2_commons</groupId>
+		<artifactId>jaxb2-basics-tests</artifactId>
+		<version>0.10.1-SNAPSHOT</version>
+	</parent>
+	<artifactId>jaxb2-basics-test-superclass</artifactId>
+	<packaging>pom</packaging>
+	<name>JAXB2 Basics - Test [superclass]</name>
+	<modules>
+		<module>a</module>
+		<module>b</module>
+	</modules>
+	<build>
+		<defaultGoal>test</defaultGoal>
+	</build>
+</project>

tools/src/main/java/org/jvnet/jaxb2_commons/util/JClassUtils.java

@@ -0,0 +1,45 @@
+package org.jvnet.jaxb2_commons.util;
+
+import java.util.Iterator;
+
+import org.apache.commons.lang3.Validate;
+
+import com.sun.codemodel.JClass;
+
+public class JClassUtils {
+
+	public static <T> boolean isInstanceOf(JClass _class,
+			Class<? extends T> _interface) {
+		Validate.notNull(_class);
+		Validate.notNull(_interface);
+
+		final String className = _class.fullName();
+
+		try {
+			if (_interface.isAssignableFrom(Class.forName(className))) {
+				return true;
+			}
+		} catch (ClassNotFoundException cnfex) {
+			// Unknown
+		}
+
+		final JClass superClass = _class._extends();
+		if (superClass != null) {
+			if (isInstanceOf(superClass, _interface)) {
+				return true;
+			}
+		}
+
+		for (final Iterator<? extends JClass> implementsIterator = _class
+				._implements(); implementsIterator.hasNext();) {
+			final JClass superInterface = implementsIterator.next();
+
+			if (isInstanceOf(superInterface, _interface)) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+}