Java tutorial
/* * Copyright 2010-2013 the original author or authors. * * 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 gemlite.shell.converters; import java.util.HashSet; import java.util.List; import java.util.Set; import org.apache.commons.lang.StringUtils; import org.springframework.shell.core.Completion; import org.springframework.shell.core.Converter; import org.springframework.shell.core.MethodTarget; import org.springframework.stereotype.Component; @Component public class JobStatusConverter implements Converter<String> { @Override public boolean supports(Class<?> type, String optionContext) { return (String.class.equals(type)) && (StringUtils.contains(optionContext, "param.context.job.status")); } @Override public String convertFromText(String value, Class<?> targetType, String optionContext) { return value; } @Override public boolean getAllPossibleValues(List<Completion> completions, Class<?> targetType, String existingData, String optionContext, MethodTarget target) { if ((String.class.equals(targetType)) && (StringUtils.contains(optionContext, "param.context.job.status"))) { Set<String> status = new HashSet<String>(); status.add("STARTED"); status.add("COMPLETED"); for (String regionPath : status) { if (existingData != null) { if (regionPath.startsWith(existingData)) { completions.add(new Completion(regionPath)); } } else { completions.add(new Completion(regionPath)); } } } return !completions.isEmpty(); } }