/* * Copyright 2017 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 * * https://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.springframework.cloud.skipper.shell.config; import org.jline.utils.AttributedString; import org.jline.utils.AttributedStyle; import org.springframework.cloud.skipper.client.SkipperClient; import org.springframework.cloud.skipper.shell.command.support.SkipperClientUpdatedEvent; import org.springframework.context.event.EventListener; import org.springframework.shell.jline.PromptProvider; import org.springframework.stereotype.Component; /** * A provider that sets the shell prompt to 'skipper' if the server is available, * 'server-unknown' otherwise. * * @author Ilayaperumal Gopinathan */ @Component public class SkipperPromptProvider implements PromptProvider { private SkipperClient skipperClient; @Override public AttributedString getPrompt() { if (skipperClient != null) { return new AttributedString("skipper:>", AttributedStyle.DEFAULT.foreground(AttributedStyle.YELLOW)); } else { return new AttributedString("server-unknown:>", AttributedStyle.DEFAULT.foreground(AttributedStyle.RED)); } } @EventListener public void handle(SkipperClientUpdatedEvent event) { this.skipperClient = event.getSkipperClient(); } }