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Groovy: A powerful, dynamic language for the JVM
package org.codehaus.groovy.runtime.dgmimpl.arrays;
import groovy.lang.MetaClassImpl;
import groovy.lang.MetaMethod;
import org.codehaus.groovy.reflection.CachedClass;
import org.codehaus.groovy.reflection.ReflectionCache;
import org.codehaus.groovy.runtime.callsite.CallSite;
import org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite;
public class DoubleArrayGetAtMetaMethod extends ArrayGetAtMetaMethod {
private static final CachedClass ARR_CLASS = ReflectionCache.getCachedClass(double[].class);
public Class getReturnType() {
return Double.class;
}
public final CachedClass getDeclaringClass() {
return ARR_CLASS;
}
public Object invoke(Object object, Object[] args) {
final double[] objects = (double[]) object;
return objects[normaliseIndex(((Integer) args[0]).intValue(), objects.length)];
}
public CallSite createPojoCallSite(CallSite site, MetaClassImpl metaClass, MetaMethod metaMethod, Class[] params, Object receiver, Object[] args) {
if (!(args [0] instanceof Integer))
return PojoMetaMethodSite.createNonAwareCallSite(site, metaClass, metaMethod, params, args);
else
return new MyPojoMetaMethodSite(site, metaClass, metaMethod, params);
}
private static class MyPojoMetaMethodSite extends PojoMetaMethodSite {
public MyPojoMetaMethodSite(CallSite site, MetaClassImpl metaClass, MetaMethod metaMethod, Class[] params) {
super(site, metaClass, metaMethod, params);
}
public Object call(Object receiver, Object arg) throws Throwable {
if ((receiver instanceof double[] && arg instanceof Integer)
&& checkPojoMetaClass()) {
final double[] objects = (double[]) receiver;
return objects[normaliseIndex(((Integer) arg).intValue(), objects.length)];
}
else
return super.call(receiver,arg);
}
}
}