/*
* Copyright 2012-2014 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 org.springframework.boot.cli.command.shell;
import org.springframework.boot.cli.command.AbstractCommand;
import org.springframework.boot.cli.command.Command;
import org.springframework.boot.cli.command.status.ExitStatus;
/**
* {@link Command} to change the {@link Shell} prompt.
*
* @author Dave Syer
*/
public class PromptCommand extends AbstractCommand {
private final ShellPrompts prompts;
public PromptCommand(ShellPrompts shellPrompts) {
super("prompt", "Change the prompt used with the current 'shell' command. "
+ "Execute with no arguments to return to the previous value.");
this.prompts = shellPrompts;
}
@Override
public ExitStatus run(String... strings) throws Exception {
if (strings.length > 0) {
for (String string : strings) {
this.prompts.pushPrompt(string + " ");
}
}
else {
this.prompts.popPrompt();
}
return ExitStatus.OK;
}
}