net.oneandone.stool.Rename Maven / Gradle / Ivy

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/**
 * Copyright 1&1 Internet AG, https://github.com/1and1/
 *
 * 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 net.oneandone.stool;

import net.oneandone.stool.locking.Mode;
import net.oneandone.stool.stage.Stage;
import net.oneandone.stool.util.Session;
import net.oneandone.sushi.cli.Value;
import net.oneandone.sushi.fs.NodeAlreadyExistsException;
import net.oneandone.sushi.fs.file.FileNode;

import java.io.IOException;

public class Rename extends StageCommand {
    @Value(name = "name", position = 1)
    private String name;

    public Rename(Session session) {
        super(session, Mode.EXCLUSIVE, Mode.NONE, Mode.NONE);
    }

    @Override
    public void doInvoke(Stage stage) throws Exception {
        boolean selected;
        FileNode newWrapper;

        stage.checkOwnership();
        stage.checkNotUp();

        selected = session.isSelected(stage);
        stage.checkOwnership();
        Stage.checkName(name);
        newWrapper = session.backstages.join(name);
        try {
            newWrapper.checkNotExists();
        } catch (NodeAlreadyExistsException e) {
            throw new IOException("A stage with that name already exists. Please choose an other name.");
        }
        stage.backstage.move(newWrapper);
        stage.backstage = newWrapper;
        if (selected) {
            session.select(stage);
        }
    }
}