/*
* Copyright 2002-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.core.type;
import java.lang.reflect.Modifier;
import org.springframework.util.Assert;
/**
* {@link ClassMetadata} implementation that uses standard reflection
* to introspect a given <code>Class</code>.
*
* @author Juergen Hoeller
* @since 2.5
*/
public class StandardClassMetadata implements ClassMetadata {
private final Class introspectedClass;
/**
* Create a new StandardClassMetadata wrapper for the given Class.
* @param introspectedClass the Class to introspect
*/
public StandardClassMetadata(Class introspectedClass) {
Assert.notNull(introspectedClass, "Class must not be null");
this.introspectedClass = introspectedClass;
}
/**
* Return the underlying Class.
*/
public final Class getIntrospectedClass() {
return this.introspectedClass;
}
public String getClassName() {
return this.introspectedClass.getName();
}
public boolean isInterface() {
return this.introspectedClass.isInterface();
}
public boolean isAbstract() {
return Modifier.isAbstract(this.introspectedClass.getModifiers());
}
public boolean isConcrete() {
return !(isInterface() || isAbstract());
}
public boolean isFinal() {
return Modifier.isFinal(this.introspectedClass.getModifiers());
}
public boolean isIndependent() {
return (!hasEnclosingClass() ||
(this.introspectedClass.getDeclaringClass() != null &&
Modifier.isStatic(this.introspectedClass.getModifiers())));
}
public boolean hasEnclosingClass() {
return (this.introspectedClass.getEnclosingClass() != null);
}
public String getEnclosingClassName() {
Class enclosingClass = this.introspectedClass.getEnclosingClass();
return (enclosingClass != null ? enclosingClass.getName() : null);
}
public boolean hasSuperClass() {
return (this.introspectedClass.getSuperclass() != null);
}
public String getSuperClassName() {
Class superClass = this.introspectedClass.getSuperclass();
return (superClass != null ? superClass.getName() : null);
}
public String[] getInterfaceNames() {
Class[] ifcs = this.introspectedClass.getInterfaces();
String[] ifcNames = new String[ifcs.length];
for (int i = 0; i < ifcs.length; i++) {
ifcNames[i] = ifcs[i].getName();
}
return ifcNames;
}
}
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