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JaVers - object auditing and diff framework for Java
package org.javers.core.pico;
/**
* Helps to hide component classes in package-private scope
*
* @author bartosz walacik
*/
import org.javers.common.reflection.ReflectionUtil;
import org.picocontainer.MutablePicoContainer;
import org.picocontainer.PicoContainer;
import org.picocontainer.adapters.AbstractAdapter;
import java.lang.reflect.Type;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
public abstract class InstantiatingModule {
private final MutablePicoContainer container;
private final ContainerArgumentResolver argumentResolver;
public InstantiatingModule(MutablePicoContainer container) {
this.container = container;
this.argumentResolver = new ContainerArgumentResolver(container);
}
public final void instantiateAndBindComponents(){
for (Class implementation : getImplementations()){
ConstructorInjector constructorInjector = new ConstructorInjector(implementation);
container.addAdapter(constructorInjector);
}
for (Object bean : getBeans()) {
container.addComponent(bean);
}
}
protected List getBeans() {
return Collections.emptyList();
}
protected abstract Collection getImplementations();
private class ConstructorInjector extends AbstractAdapter {
public ConstructorInjector(Class componentImplementation) {
this(componentImplementation, componentImplementation);
}
public ConstructorInjector(Object componentKey, Class componentImplementation) {
super(componentKey, componentImplementation);
}
@Override
public Object getComponentInstance(PicoContainer pico, Type into) {
return ReflectionUtil.newInstance(getComponentImplementation(), argumentResolver);
}
public void verify(PicoContainer container) {
}
@Override
public String getDescriptor() {
return getComponentKey().toString();
}
}
protected MutablePicoContainer getContainer() {
return container;
}
}