org.atemsource.atem.impl.common.AbstractAttributeFactory.java Source code

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Here is the source code for org.atemsource.atem.impl.common.AbstractAttributeFactory.java

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/*******************************************************************************
 * Stefan Meyer, 2012
 * 
 * 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.
 ******************************************************************************/
package org.atemsource.atem.impl.common;

import java.util.HashSet;
import java.util.Set;

import org.atemsource.atem.api.type.EntityType;
import org.atemsource.atem.spi.EntityTypeCreationContext;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

public abstract class AbstractAttributeFactory implements ApplicationContextAware {
    protected ApplicationContext applicationContext;

    protected <T> T create(final Class<T> clazz) {
        return (T) applicationContext.getBeansOfType(clazz).values().iterator().next();
    }

    protected Set<EntityType> createValidtypesSet(final EntityType elementEntityType, final Class[] includedTypes,
            final Class[] excludedTypes, final EntityTypeCreationContext ctx) {
        Set<EntityType> validTypesSet;
        if (includedTypes == null || includedTypes.length == 0) {
            validTypesSet = elementEntityType.getSelfAndAllSubEntityTypes();
            if (excludedTypes != null) {
                for (Class type : excludedTypes) {
                    validTypesSet.remove(ctx.getEntityTypeReference(type));
                }
            }
        } else {
            validTypesSet = new HashSet<EntityType>();
            for (Class type : includedTypes) {
                validTypesSet.add(ctx.getEntityTypeReference(type));
            }
        }
        return validTypesSet;
    }

    public void setApplicationContext(final ApplicationContext applicationContext) {
        this.applicationContext = applicationContext;
    }
}