    001// Licensed to the Apache Software Foundation (ASF) under one
    002// or more contributor license agreements.  See the NOTICE file
    003// distributed with this work for additional information
    004// regarding copyright ownership.  The ASF licenses this file
    005// to you under the Apache License, Version 2.0 (the
    006// "License"); you may not use this file except in compliance
    007// with the License.  You may obtain a copy of the License at
    008//
    009// http://www.apache.org/licenses/LICENSE-2.0
    010//
    011// Unless required by applicable law or agreed to in writing,
    012// software distributed under the License is distributed on an
    013// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    014// KIND, either express or implied.  See the License for the
    015// specific language governing permissions and limitations
    016// under the License.
    017package org.apache.tapestry5.internal.services.rest;
    018
    019import java.util.Collection;
    020import java.util.Collections;
    021import java.util.HashSet;
    022import java.util.Set;
    023
    024import org.apache.tapestry5.ioc.services.ClassNameLocator;
    025import org.apache.tapestry5.services.rest.MappedEntityManager;
    026
    027/**
    028 * Default {@link MappedEntityManager} implementation.
    029 */
    030public class MappedEntityManagerImpl implements MappedEntityManager
    031{
    032
    033    private final Set<Class<?>> entities;
    034
    035    public MappedEntityManagerImpl(Collection<String> packages, final ClassNameLocator classNameLocator)
    036    {
    037
    038        Set<Class<?>> classes = new HashSet<>();
    039        ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
    040
    041        for (String packageName : packages)
    042        {
    043            for (String className : classNameLocator.locateClassNames(packageName))
    044            {
    045                try
    046                {
    047                    Class<?> entityClass = contextClassLoader.loadClass(className);
    048                    classes.add(entityClass);
    049                }
    050                catch (ClassNotFoundException ex)
    051                {
    052                    throw new RuntimeException(ex);
    053                }
    054            }
    055        }
    056
    057        entities = Collections.unmodifiableSet(new HashSet<>(classes));
    058
    059    }
    060
    061    @Override
    062    public Set<Class<?>> getEntities()
    063    {
    064        return entities;
    065    }
    066
    067}