io.apicurio.datamodels.cmd.commands.ChangeVersionCommand Maven / Gradle / Ivy
/*
* Copyright 2019 Red Hat
*
* 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 io.apicurio.datamodels.cmd.commands;
import io.apicurio.datamodels.cmd.AbstractCommand;
import io.apicurio.datamodels.cmd.util.ModelUtils;
import io.apicurio.datamodels.compat.LoggerCompat;
import io.apicurio.datamodels.core.models.Document;
/**
* A command used to modify the version of a document.
* @author [email protected]
*/
public class ChangeVersionCommand extends AbstractCommand {
public String _newVersion;
public String _oldVersion;
public boolean _nullInfo;
/**
* Constructor.
*/
ChangeVersionCommand() {
}
/**
* Constructor.
* @param newVersion
*/
ChangeVersionCommand(String newVersion) {
this._newVersion = newVersion;
}
/**
* @see io.apicurio.datamodels.cmd.ICommand#execute(io.apicurio.datamodels.core.models.Document)
*/
@Override
public void execute(Document document) {
LoggerCompat.info("[ChangeVersionCommand] Executing.");
if (ModelUtils.isNullOrUndefined(document.info)) {
document.info = document.createInfo();
this._nullInfo = true;
this._oldVersion = null;
} else {
this._oldVersion = document.info.version;
}
document.info.version = this._newVersion;
}
/**
* @see io.apicurio.datamodels.cmd.ICommand#undo(io.apicurio.datamodels.core.models.Document)
*/
@Override
public void undo(Document document) {
LoggerCompat.info("[ChangeVersionCommand] Reverting.");
if (this._nullInfo) {
document.info = null;
} else {
document.info.version = this._oldVersion;
}
}
}