org.matsim.utils.objectattributes.ObjectAttributesConverter Class Reference

Public Member Functions
	ObjectAttributesConverter (final Map< Class<?>, AttributeConverter<?>> converters)
	ObjectAttributesConverter ()
Object	convert (String className, String value)
Map< String, AttributeConverter<?> >	getConverters ()
String	convertToString (Object o)
AttributeConverter	putAttributeConverter (final Class<?> clazz, final AttributeConverter converter)
void	putAttributeConverters (final Map< Class<?>, AttributeConverter<?>> converters)
AttributeConverter	removeAttributeConverter (final Class<?> clazz)

Private Member Functions
AttributeConverter	getConverter (String className)

Private Attributes
final Map< String, AttributeConverter<?> >	converters = new HashMap<>()
final Set< String >	missingConverters = new HashSet<>()

Static Private Attributes
static final Logger	log = LogManager.getLogger(ObjectAttributesConverter.class)

Detailed Description

Object that converts arbitrary objects to and from strings based on the logic defined by {}s

Author

thibautd

Definition at line 40 of file ObjectAttributesConverter.java.

Constructor & Destructor Documentation

ObjectAttributesConverter() [1/2]

org.matsim.utils.objectattributes.ObjectAttributesConverter.ObjectAttributesConverter

(

final Map< Class<?>, AttributeConverter<?>>

converters

)

Definition at line 47 of file ObjectAttributesConverter.java.

References org.matsim.utils.objectattributes.ObjectAttributesConverter.putAttributeConverters().

                                                                                            {
        this();
        this.putAttributeConverters(converters);
    }

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ObjectAttributesConverter() [2/2]

org.matsim.utils.objectattributes.ObjectAttributesConverter.ObjectAttributesConverter

(

)

Definition at line 52 of file ObjectAttributesConverter.java.

                                       {
        this.converters.put(String.class.getName(), new StringConverter());
        this.converters.put(Integer.class.getName(), new IntegerConverter());
        this.converters.put(Float.class.getName(), new FloatConverter());
        this.converters.put(Double.class.getName(), new DoubleConverter());
        this.converters.put(Boolean.class.getName(), new BooleanConverter());
        this.converters.put(Long.class.getName(), new LongConverter());
        this.converters.put(double[].class.getName(), new DoubleArrayConverter());
        this.converters.put(Map.class.getName(), new StringStringMapConverter());
        this.converters.put(Collection.class.getName(), new StringCollectionConverter());
        this.converters.put(Coord.class.getName(), new CoordConverter());
        this.converters.put(Coord[].class.getName(), new CoordArrayConverter());
        this.converters.put(PersonVehicles.class.getName(), new PersonVehiclesAttributeConverter());
        this.converters.put(DisallowedNextLinks.class.getName(), new DisallowedNextLinksAttributeConverter());
        this.converters.put(PersonVehicleTypes.class.getName(), new PersonVehicleTypesAttributeConverter());
        this.converters.put(StringDoubleMap.class.getName(), new StringDoubleMapConverter());
    }

Member Function Documentation

convert()

Object org.matsim.utils.objectattributes.ObjectAttributesConverter.convert	(	String	className,
		String	value
	)

Definition at line 71 of file ObjectAttributesConverter.java.

References org.matsim.utils.objectattributes.AttributeConverter< T >.convert(), and org.matsim.utils.objectattributes.ObjectAttributesConverter.getConverter().

Referenced by org.matsim.utils.objectattributes.attributable.AttributesXmlReaderDelegate.endTag(), org.matsim.utils.objectattributes.ObjectAttributesXmlReader.endTag(), and org.matsim.lanes.LanesReader.parse().

                                                          {
        AttributeConverter converter = getConverter(className);
        return converter == null ? null : converter.convert(value);
    }

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getConverters()

Map<String, AttributeConverter<?> > org.matsim.utils.objectattributes.ObjectAttributesConverter.getConverters

(

)

Definition at line 76 of file ObjectAttributesConverter.java.

References org.matsim.utils.objectattributes.ObjectAttributesConverter.converters.

    {
        return this.converters;
    }

getConverter()

AttributeConverter org.matsim.utils.objectattributes.ObjectAttributesConverter.getConverter ( String  className )

private

Definition at line 81 of file ObjectAttributesConverter.java.

Referenced by org.matsim.utils.objectattributes.ObjectAttributesConverter.convert(), and org.matsim.utils.objectattributes.ObjectAttributesConverter.convertToString().

                                                              {
        if (converters.containsKey(className)) return converters.get(className);
        try {
            Class<?> clazz = Class.forName(className);

            if (clazz.isEnum()) {
                AttributeConverter converter = new EnumConverter(clazz);
                converters.put(className, converter);
                return converter;
            }

            if(Map.class.isAssignableFrom(clazz)) return this.converters.get(Map.class.getName());
            if(Collection.class.isAssignableFrom(clazz)) return this.converters.get(Collection.class.getName());

            if (missingConverters.add(className)) {
                log.warn("No AttributeConverter found for class " + className + ". Not all attribute values can be converted.");
            }
        }
        catch (ClassNotFoundException e) {
            if (missingConverters.add(className)) {
                log.warn("No AttributeConverter found for class " + className + ", and class is not on classpath. Not all attribute values can be converted.");
            }
        }

        return null;
    }

convertToString()

String org.matsim.utils.objectattributes.ObjectAttributesConverter.convertToString

(

Object

o

)

Definition at line 108 of file ObjectAttributesConverter.java.

References org.matsim.utils.objectattributes.AttributeConverter< T >.convertToString(), and org.matsim.utils.objectattributes.ObjectAttributesConverter.getConverter().

Referenced by org.matsim.lanes.LanesWriter.convertDataToXml(), org.matsim.utils.objectattributes.attributable.AttributesXmlWriterDelegate.writeAttributes(), and org.matsim.utils.objectattributes.ObjectAttributesXmlWriter.writeFile().

                                            {

        AttributeConverter converter = getConverter(o.getClass().getName());

        //handle map and collection converter - check for string elements
        //we pass in a lot of maps here that we can and (maybe) do not want to write
        {
            if(converter instanceof StringStringMapConverter){
                Map<Object, Object> map = ((Map<Object, Object>) o);
                if (! map.isEmpty()){
                    Map.Entry firstEntry = map.entrySet().iterator().next();
                    if(! (firstEntry.getKey() instanceof String && firstEntry.getValue() instanceof String) ) return null;
                }
            }
            if(converter instanceof StringCollectionConverter){
                Collection collection = ((Collection) o);
                if(! collection.isEmpty()){
                    if(! ( collection.iterator().next() instanceof String) ) return null;
                }
            }
        }

        // is returning null the right approach there?
        return converter == null ? null : converter.convertToString(o);
    }

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putAttributeConverter()

AttributeConverter org.matsim.utils.objectattributes.ObjectAttributesConverter.putAttributeConverter	(	final Class<?>	clazz,
		final AttributeConverter	converter
	)

Sets the converter for reading attributes of the specified class.

Parameters

clazz
converter

Returns

the previously registered converter for this class, or null if none was set before.

Definition at line 141 of file ObjectAttributesConverter.java.

Referenced by org.matsim.utils.objectattributes.ObjectAttributesConverter.putAttributeConverters().

                                                                                                              {
        return this.converters.put(clazz.getName(), converter);
    }

putAttributeConverters()

void org.matsim.utils.objectattributes.ObjectAttributesConverter.putAttributeConverters

(

final Map< Class<?>, AttributeConverter<?>>

converters

)

Definition at line 145 of file ObjectAttributesConverter.java.

References org.matsim.utils.objectattributes.ObjectAttributesConverter.putAttributeConverter().

Referenced by org.matsim.utils.objectattributes.ObjectAttributesConverter.ObjectAttributesConverter(), org.matsim.utils.objectattributes.ObjectAttributesXmlWriter.putAttributeConverters(), org.matsim.utils.objectattributes.attributable.AttributesXmlWriterDelegate.putAttributeConverters(), and org.matsim.utils.objectattributes.ObjectAttributesXmlReader.putAttributeConverters().

                                                                                                {
        for ( Map.Entry<Class<?>, AttributeConverter<?>> e : converters.entrySet() ) {
            putAttributeConverter( e.getKey() , e.getValue() );
        }
    }

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removeAttributeConverter()

AttributeConverter org.matsim.utils.objectattributes.ObjectAttributesConverter.removeAttributeConverter

(

final Class<?>

clazz

)

Removes the converter for reading attributes of the specified class.

Parameters

clazz

Returns

the previously registered converter for this class, of null if none was set.

Definition at line 157 of file ObjectAttributesConverter.java.

Referenced by org.matsim.utils.objectattributes.attributable.AttributesXmlReaderDelegate.removeAttributeConverter(), org.matsim.utils.objectattributes.ObjectAttributesXmlWriter.removeAttributeConverter(), and org.matsim.utils.objectattributes.ObjectAttributesXmlReader.removeAttributeConverter().

                                                                             {
        return this.converters.remove(clazz.getName());
    }

Member Data Documentation

log

final Logger org.matsim.utils.objectattributes.ObjectAttributesConverter.log = LogManager.getLogger(ObjectAttributesConverter.class)

staticprivate

Definition at line 41 of file ObjectAttributesConverter.java.

converters

final Map<String, AttributeConverter<?> > org.matsim.utils.objectattributes.ObjectAttributesConverter.converters = new HashMap<>()

private

Definition at line 42 of file ObjectAttributesConverter.java.

Referenced by org.matsim.utils.objectattributes.ObjectAttributesConverter.getConverters().

missingConverters

final Set<String> org.matsim.utils.objectattributes.ObjectAttributesConverter.missingConverters = new HashSet<>()

private

Definition at line 44 of file ObjectAttributesConverter.java.

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The documentation for this class was generated from the following file:

• utils/objectattributes/ObjectAttributesConverter.java