net.projectmonkey.object.mapper.analysis.result.PropertyPathElement Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of object-mapper Show documentation

Object mapping implementation written as an alternative to modelmapper which is able to support inheritance, handles flattening / expanding in a precise way, and is extensible / configurable

The newest version!

package net.projectmonkey.object.mapper.analysis.result;

import net.projectmonkey.object.mapper.annotations.group.Group;
import net.projectmonkey.object.mapper.annotations.group.GroupBehaviour;
import net.projectmonkey.object.mapper.annotations.group.Groups;

import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Member;
import java.lang.reflect.Type;
import java.util.*;

/*
 *
 *  * Copyright 2012 the original author or authors.
 *  *
 *  * Licensed under the Apache License, Version 2.0 (the "License");
 *  * you may not use this file except in compliance with the License.
 *  * You may obtain a copy of the License at
 *  *
 *  *      http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  * Unless required by applicable law or agreed to in writing, software
 *  * distributed under the License is distributed on an "AS IS" BASIS,
 *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  * See the License for the specific language governing permissions and
 *  * limitations under the License.
 *
 */

/**
 * @author Andy Moody
 *         
 *         Represents a step in the path to a property from the root.
 *         Note that concrete implementations of this should define hashcode and equals
 *         based on the properties and classes they represent.
 */
public abstract class PropertyPathElement
{

	private final String name;
	private Map, PropertyConfiguration> configurationsByGroup;

	public PropertyPathElement(final String name, final Map, PropertyConfiguration> configurationsByGroup)
	{
		this.name = name;
		this.configurationsByGroup = configurationsByGroup;
	}

	public String getName()
	{
		return name;
	}

	public abstract Class getType();

	public abstract Type getGenericType();

	public abstract Object getValue(final Object source);

	public abstract void setValue(final Object value, final Object destination);

	public PropertyConfiguration getConfigurationForGroup(Class group)
	{
		return configurationsByGroup.get(group);
	}

	public boolean isIncludedInGroup(Class group)
	{
		PropertyConfiguration propertyConfiguration = getConfigurationForGroup(group);
		boolean included = false;
		if(propertyConfiguration != null)
		{
			included = propertyConfiguration.isIncluded();
		}
		else if(group.isAnnotationPresent(GroupBehaviour.class))
		{
			included = group.getAnnotation(GroupBehaviour.class).inclusive();
		}
		return included;
	}

	protected static  Map,PropertyConfiguration> calculateGroups(final Class memberType, final M... members)
	{
		Map, PropertyConfiguration> toReturn = new HashMap, PropertyConfiguration>();
		List groups = new ArrayList();
		Set types = new LinkedHashSet();
		for (M member : members)
		{
			types.add(member);
		}
		types.add(memberType);
		for (AnnotatedElement type : types)
		{
			if(type.isAnnotationPresent(Groups.class))
			{
				groups.addAll(Arrays.asList(type.getAnnotation(Groups.class).value()));
			}
			if(type.isAnnotationPresent(Group.class))
			{
				groups.add(type.getAnnotation(Group.class));
			}
		}

		for (Group group : groups)
		{
			PropertyConfiguration config = new PropertyConfiguration(group);
			Class groupClass = group.value();
			if(toReturn.containsKey(groupClass))
			{
				toReturn.get(groupClass).merge(config);
			}
			else
			{
				toReturn.put(groupClass, config);
			}
		}

		return toReturn;
	}

	@Override
	public String toString()
	{
		return "PropertyPathElement{" +
				"name='" + name + '\'' +
				'}';
	}

}