/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.ambari.shell.converter;
import java.lang.reflect.Constructor;
import java.util.Collection;
import java.util.List;
import org.apache.ambari.groovy.client.AmbariClient;
import org.apache.ambari.shell.completion.AbstractCompletion;
import org.springframework.shell.core.Completion;
import org.springframework.shell.core.Converter;
/**
* Base class of completion converters.
*
* @param <T> completion class type
*/
public abstract class AbstractConverter<T extends AbstractCompletion> implements Converter<T> {
private AmbariClient client;
protected AbstractConverter(AmbariClient client) {
this.client = client;
}
@Override
public T convertFromText(String value, Class<?> clazz, String optionContext) {
try {
Constructor<?> constructor = clazz.getDeclaredConstructor(String.class);
return (T) constructor.newInstance(value);
} catch (Exception e) {
return null;
}
}
public boolean getAllPossibleValues(List<Completion> completions, Collection<String> values) {
for (String value : values) {
completions.add(new Completion(value));
}
return true;
}
public AmbariClient getClient() {
return client;
}
}