package org.sql2o.reflection;
import org.sql2o.Sql2oException;
import org.sql2o.converters.Converter;
import org.sql2o.converters.ConverterException;
import org.sql2o.quirks.Quirks;
import static org.sql2o.converters.Convert.throwIfNull;
/**
* Used internally to represent a plain old java object.
*/
public class Pojo {
private PojoMetadata metadata;
private boolean caseSensitive;
private Object object;
public Pojo(PojoMetadata metadata, boolean caseSensitive, Object object){
this.caseSensitive = caseSensitive;
this.metadata = metadata;
this.object = object;
}
public Pojo(PojoMetadata metadata, boolean caseSensitive){
this.caseSensitive = caseSensitive;
this.metadata = metadata;
ObjectConstructor objectConstructor = metadata.getObjectConstructor();
object = objectConstructor.newInstance();
}
@SuppressWarnings("unchecked")
public Object getProperty(String propertyPath, Quirks quirks){
// String.split uses RegularExpression
// this is overkill for every column for every row
int index = propertyPath.indexOf('.');
Getter getter;
if (index > 0) {
final String substring = propertyPath.substring(0, index);
getter = metadata.getPropertyGetter(substring);
String newPath = propertyPath.substring(index+1);
Object subValue = this.metadata.getValueOfProperty(substring, this.object);
if (subValue == null){
try {
subValue = getter.getType().newInstance();
} catch (InstantiationException e) {
throw new Sql2oException("Could not instantiate a new instance of class "+ getter.getType().toString(), e);
} catch (IllegalAccessException e) {
throw new Sql2oException("Could not instantiate a new instance of class "+ getter.getType().toString(), e);
}
return getter.getProperty(this.object);
}
PojoMetadata subMetadata = new PojoMetadata(getter.getType(), this.caseSensitive, this.metadata.isAutoDeriveColumnNames(), this.metadata.getColumnMappings());
Pojo subPojo = new Pojo(subMetadata, this.caseSensitive, subValue);
return subPojo.getProperty(newPath, quirks);
}
else{
getter = metadata.getPropertyGetter(propertyPath);
Converter converter;
try {
converter = throwIfNull(getter.getType(), quirks.converterOf(getter.getType()));
} catch (ConverterException e) {
throw new Sql2oException("Cannot convert column " + propertyPath + " to type " + getter.getType(), e);
}
try {
return converter.convert(getter.getProperty(this.object));
} catch (ConverterException e) {
throw new Sql2oException("Error trying to convert column " + propertyPath + " to type " + getter.getType(), e);
}
}
}
@SuppressWarnings("unchecked")
public void setProperty(String propertyPath, Object value, Quirks quirks){
// String.split uses RegularExpression
// this is overkill for every column for every row
int index = propertyPath.indexOf('.');
Setter setter;
if (index > 0){
final String substring = propertyPath.substring(0, index);
setter = metadata.getPropertySetter(substring);
String newPath = propertyPath.substring(index+1);
Object subValue = this.metadata.getValueOfProperty(substring, this.object);
if (subValue == null){
try {
subValue = setter.getType().newInstance();
} catch (InstantiationException e) {
throw new Sql2oException("Could not instantiate a new instance of class "+ setter.getType().toString(), e);
} catch (IllegalAccessException e) {
throw new Sql2oException("Could not instantiate a new instance of class "+ setter.getType().toString(), e);
}
setter.setProperty(this.object, subValue);
}
PojoMetadata subMetadata = new PojoMetadata(setter.getType(), this.caseSensitive, this.metadata.isAutoDeriveColumnNames(), this.metadata.getColumnMappings());
Pojo subPojo = new Pojo(subMetadata, this.caseSensitive, subValue);
subPojo.setProperty(newPath, value, quirks);
}
else{
setter = metadata.getPropertySetter(propertyPath);
Converter converter;
try {
converter = throwIfNull(setter.getType(), quirks.converterOf(setter.getType()));
} catch (ConverterException e) {
throw new Sql2oException("Cannot convert column " + propertyPath + " to type " + setter.getType(), e);
}
try {
setter.setProperty(this.object, converter.convert( value ));
} catch (ConverterException e) {
throw new Sql2oException("Error trying to convert column " + propertyPath + " to type " + setter.getType(), e);
}
}
}
public Object getObject(){
return this.object;
}
}