package org.skife.jdbi.v2;
import org.skife.jdbi.v2.exceptions.UnableToCreateStatementException;
import org.skife.jdbi.v2.tweak.Argument;
import org.skife.jdbi.v2.tweak.NamedArgumentFinder;
import java.beans.BeanInfo;
import java.beans.IntrospectionException;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.lang.reflect.InvocationTargetException;
class BeanPropertyArguments implements NamedArgumentFinder
{
private final Object bean;
private final StatementContext ctx;
private final Foreman foreman;
private BeanInfo info;
BeanPropertyArguments(Object bean, StatementContext ctx, Foreman foreman)
{
this.bean = bean;
this.ctx = ctx;
this.foreman = foreman;
try
{
this.info = Introspector.getBeanInfo(bean.getClass());
}
catch (IntrospectionException e)
{
throw new UnableToCreateStatementException("Failed to introspect object which is supposed ot be used to" +
" set named args for a statement via JavaBean properties", e, ctx);
}
}
@Override
public Argument find(String name)
{
for (PropertyDescriptor descriptor : info.getPropertyDescriptors())
{
if (descriptor.getName().equals(name))
{
try
{
return foreman.createArgument(descriptor.getReadMethod().getReturnType(),
descriptor.getReadMethod().invoke(bean),
ctx);
}
catch (IllegalAccessException e)
{
throw new UnableToCreateStatementException(String.format("Access excpetion invoking getter for " +
"bean property [%s] on [%s]",
name, bean), e, ctx);
}
catch (InvocationTargetException e)
{
throw new UnableToCreateStatementException(String.format("Invocation target exception invoking " +
"getter for bean property [%s] on [%s]",
name, bean), e, ctx);
}
}
}
return null;
}
@Override
public String toString() {
return new StringBuilder().append("{lazy bean proprty arguments \"").append(bean).append("\"").toString();
}
}