| /* |
| * 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.oodt.cas.cli.printer; |
| |
| //JDK imports |
| import java.util.List; |
| import java.util.Set; |
| |
| //OODT imports |
| import org.apache.oodt.cas.cli.action.CmdLineAction; |
| import org.apache.oodt.cas.cli.option.CmdLineOption; |
| import org.apache.oodt.cas.cli.option.validator.CmdLineOptionValidator.Result; |
| |
| /** |
| * Printer which is responsible for generating a {@link String} representation |
| * of help, validation errors, and missing required options errors. |
| * |
| * @author bfoster (Brian Foster) |
| */ |
| public interface CmdLinePrinter { |
| |
| /** |
| * Should generate help message for action specified by |
| * {@link #CmdLineArgs.getSpecifiedAction()}. |
| * |
| * @param action |
| * {@link CmdLineAction} for which help will be generate |
| * @param options |
| * Supported {@link CmdLineOption}s |
| * @return Help message for specified action |
| */ |
| public String printActionHelp(CmdLineAction action, Set<CmdLineOption> options); |
| |
| /** |
| * Generates help messages given {@link CmdLineAction}s. |
| * |
| * @param actions |
| * {@link CmdLineAction}s to print help for |
| * @return Help message for given {@link CmdLineAction}s |
| */ |
| public String printActionsHelp(Set<CmdLineAction> actions); |
| |
| /** |
| * Generates help message for given {@link CmdLineOption}s. |
| * |
| * @param options |
| * {@link CmdLineOption}s for which help message will be generated |
| * @return Help message for given {@link CmdLineOption}s |
| */ |
| public String printOptionsHelp(Set<CmdLineOption> options); |
| |
| /** |
| * Generate validation error message for results of failed validations. |
| * |
| * @param results |
| * {@link List} of FAILed validations |
| * @return Generated validation error message |
| */ |
| public String printOptionValidationErrors(List<Result> results); |
| |
| /** |
| * Generates missing required options error message from given |
| * {@link CmdLineOption}s which where required and not specified. |
| * |
| * @param missingOptions |
| * {@link Set} of {@link CmdLineOption}s which where required and |
| * not set. |
| * @return Generated missing required options error message. |
| */ |
| public String printRequiredOptionsMissingError( |
| Set<CmdLineOption> missingOptions); |
| |
| /** |
| * Generates {@link CmdLineAction} message from list of messages. |
| * |
| * @param messages The messages from a {@link CmdLineAction} |
| * @return printed message from list of messages. |
| */ |
| public String printActionMessages(List<String> messages); |
| } |