/*
* Copyright © 2014 Cask Data, Inc.
*
* 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 co.cask.cdap.shell;
import co.cask.cdap.client.ApplicationClient;
import co.cask.cdap.shell.completer.StringsCompleter;
import co.cask.cdap.shell.completer.element.ProgramIdCompleter;
import com.google.common.base.Objects;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import jline.console.completer.Completer;
import java.util.Map;
import javax.inject.Inject;
/**
* Provides {@link ProgramIdCompleter} implementations per {@link ElementType}.
*/
public class ProgramIdCompleterFactory {
private final Map<ElementType, ProgramIdCompleter> programIdCompleters;
@Inject
public ProgramIdCompleterFactory(ApplicationClient appClient) {
this.programIdCompleters = ImmutableMap.<ElementType, ProgramIdCompleter>builder()
.put(ElementType.FLOW,
new ProgramIdCompleter(appClient, ElementType.FLOW.getProgramType()))
.put(ElementType.MAPREDUCE,
new ProgramIdCompleter(appClient, ElementType.MAPREDUCE.getProgramType()))
.put(ElementType.PROCEDURE,
new ProgramIdCompleter(appClient, ElementType.PROCEDURE.getProgramType()))
.put(ElementType.WORKFLOW,
new ProgramIdCompleter(appClient, ElementType.WORKFLOW.getProgramType()))
.build();
}
public Completer getProgramIdCompleter(ElementType elementType) {
return Objects.firstNonNull(programIdCompleters.get(elementType),
new StringsCompleter(ImmutableList.<String>of()));
}
}