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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.bytecode.internal.bytebuddy;
import java.lang.reflect.Method;
import java.util.HashMap;
import org.hibernate.proxy.ProxyConfiguration;
import net.bytebuddy.implementation.bind.annotation.AllArguments;
import net.bytebuddy.implementation.bind.annotation.Origin;
import net.bytebuddy.implementation.bind.annotation.RuntimeType;
import net.bytebuddy.implementation.bind.annotation.This;
public class PassThroughInterceptor implements ProxyConfiguration.Interceptor {
private HashMap data = new HashMap();
private final Object proxiedObject;
private final String proxiedClassName;
public PassThroughInterceptor(Object proxiedObject, String proxiedClassName) {
this.proxiedObject = proxiedObject;
this.proxiedClassName = proxiedClassName;
}
@SuppressWarnings("unchecked")
@Override
public Object intercept(Object instance, Method method, Object[] arguments) throws Exception {
final String name = method.getName();
if ( "toString".equals( name ) ) {
return proxiedClassName + "@" + System.identityHashCode( instance );
}
else if ( "equals".equals( name ) ) {
return proxiedObject == instance;
}
else if ( "hashCode".equals( name ) ) {
return System.identityHashCode( instance );
}
final boolean hasGetterSignature = method.getParameterCount() == 0
&& method.getReturnType() != null;
final boolean hasSetterSignature = method.getParameterCount() == 1
&& ( method.getReturnType() == null || method.getReturnType() == void.class );
if ( name.startsWith( "get" ) && hasGetterSignature ) {
final String propName = name.substring( 3 );
return data.get( propName );
}
else if ( name.startsWith( "is" ) && hasGetterSignature ) {
final String propName = name.substring( 2 );
return data.get( propName );
}
else if ( name.startsWith( "set" ) && hasSetterSignature ) {
final String propName = name.substring( 3 );
data.put( propName, arguments[0] );
return null;
}
else {
// todo : what else to do here?
return null;
}
}
}