/*******************************************************************************
* Copyright (c) 2012-2016 Codenvy, S.A.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.ext.java.jdi.client.fqn;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.eclipse.che.commons.annotation.Nullable;
import javax.validation.constraints.NotNull;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
/** @author Evgen Vidolob */
@Singleton
public class FqnResolverFactory implements FqnResolverObservable {
private final List<FqnResolverObserver> listeners;
private final Map<String, FqnResolver> resolvers;
/** Create factory. */
@Inject
protected FqnResolverFactory() {
this.resolvers = new HashMap<>();
this.listeners = new LinkedList<>();
}
public void addResolver(@NotNull String mimeType, @NotNull FqnResolver resolver) {
resolvers.put(mimeType, resolver);
onFqnResolverAdded(resolver);
}
private void onFqnResolverAdded(@NotNull FqnResolver resolver) {
for (FqnResolverObserver fqnResolverObserver : listeners) {
fqnResolverObserver.onFqnResolverAdded(resolver);
}
}
@Nullable
public FqnResolver getResolver(@NotNull String mimeType) {
return resolvers.get(mimeType);
}
/**
* {@inheritDoc}
*/
@Override
public void addFqnResolverObserver(FqnResolverObserver fqnResolverObserver) {
listeners.add(fqnResolverObserver);
}
/**
* {@inheritDoc}
*/
@Override
public void removeFqnResolverObserver(FqnResolverObserver fqnResolverObserver) {
listeners.remove(fqnResolverObserver);
}
}