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package org.msgpack.schema;
import java.util.Map;
import java.util.Arrays;
import java.lang.reflect.Field;
import org.msgpack.*;
public class SpecificFieldSchema extends FieldSchema {
public Field fieldCache;
private int index;
public SpecificFieldSchema(String name, Schema type)
{
super(name, type);
this.index = -1;
}
@Override
public Object getFieldValue(Object obj)
{
if(index >= 0) {
return ((MessageMergeable)obj).getField(index);
}
try {
return fieldCache.get(obj);
} catch(IllegalArgumentException e) {
throw new RuntimeException("can't get value from '"+getName()+"' field of '"+obj.getClass().getName()+"' class: "+e.getMessage());
} catch(IllegalAccessException e) {
throw new RuntimeException("can't get value from '"+getName()+"' field of '"+obj.getClass().getName()+"' class: "+e.getMessage());
}
}
@Override
public void setFieldValue(Object obj, Object value)
{
if(index >= 0) {
((MessageMergeable)obj).setField(index, value);
return;
}
try {
fieldCache.set(obj, value);
} catch(IllegalArgumentException e) {
throw new RuntimeException("can't set value into '"+getName()+"' field of '"+obj.getClass().getName()+"' class: "+e.getMessage());
} catch(IllegalAccessException e) {
throw new RuntimeException("can't set value into '"+getName()+"' field of '"+obj.getClass().getName()+"' class: "+e.getMessage());
}
}
void cacheField(Class c, int index)
{
for(Class i : c.getInterfaces()) {
if(i.equals(MessageMergeable.class)) {
this.index = index;
return;
}
}
try {
fieldCache = c.getDeclaredField(getName());
if(!fieldCache.isAccessible()) {
fieldCache.setAccessible(true);
}
} catch(NoSuchFieldException e) {
throw new RuntimeException("can't get '"+getName()+"' field of '"+c.getName()+"' class: "+e.getMessage());
} catch(SecurityException e) {
throw new RuntimeException("can't get '"+getName()+"' field of '"+c.getName()+"' class: "+e.getMessage());
}
}
//public void setFieldInt(Object obj, int value)
//{
// if(type instanceof PrimitiveSchema) {
// }
//}
}
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