com.netflix.spinnaker.halyard.cli.command.v1.config.AbstractConfigCommand.java Source code

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Here is the source code for com.netflix.spinnaker.halyard.cli.command.v1.config.AbstractConfigCommand.java

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/*
 * Copyright 2017 Google, Inc.
 *
 * 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 com.netflix.spinnaker.halyard.cli.command.v1.config;

import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import com.netflix.spinnaker.halyard.cli.command.v1.GlobalConfigOptions;
import com.netflix.spinnaker.halyard.cli.command.v1.GlobalOptions;
import com.netflix.spinnaker.halyard.cli.command.v1.NestableCommand;
import com.netflix.spinnaker.halyard.cli.services.v1.Daemon;
import com.netflix.spinnaker.halyard.cli.services.v1.OperationHandler;
import org.apache.commons.lang3.StringUtils;

import java.util.ArrayList;
import java.util.List;

@Parameters(separators = "=")
abstract public class AbstractConfigCommand extends NestableCommand {
    @Parameter(names = { "--no-validate" }, description = "Skip validation.")
    public boolean noValidate = false;

    @Parameter(names = {
            "--deployment" }, description = "If supplied, use this Halyard deployment. This will _not_ create a new deployment.")
    public void setDeployment(String deployment) {
        GlobalConfigOptions.getGlobalConfigOptions().setDeployment(deployment);
    }

    protected String getCurrentDeployment() {
        String deployment = GlobalConfigOptions.getGlobalConfigOptions().getDeployment();
        if (StringUtils.isEmpty(deployment)) {
            deployment = new OperationHandler<String>().setFailureMesssage("Failed to get deployment name.")
                    .setOperation(Daemon.getCurrentDeployment()).get();
        }

        return deployment;
    }

    protected static boolean isSet(String s) {
        return s != null;
    }

    /**
     * Provides consistent update semantics for updating a list of entries given a new list, entries to remove, and entries to add.
     *
     * @param old is the prior set of entries - these are modified to addTo and removeFrom.
     * @param setTo is a new set of entries. If provided, the old ones are discarded.
     * @param addTo is a single entry to add to old.
     * @param removeFrom is a single entry to remove from old.
     * @return the updated set of entries.
     * @throws IllegalArgumentException when setTo and (addTo or removeFrom) are provided.
     */
    protected static List<String> updateStringList(List<String> old, List<String> setTo, String addTo,
            String removeFrom) {
        if (old == null) {
            old = new ArrayList<>();
        }

        boolean set = setTo != null && !setTo.isEmpty();
        boolean add = addTo != null && !addTo.isEmpty();
        boolean remove = removeFrom != null && !removeFrom.isEmpty();

        if (set && (add || remove)) {
            throw new IllegalArgumentException(
                    "If set is specified, neither addTo nor removeFrom can be specified");
        }

        if (set) {
            return setTo;
        } else {
            if (add) {
                old.add(addTo);
            }

            if (remove) {
                old.remove(removeFrom);
            }

            return old;
        }
    }

    protected static boolean isSet(Object o) {
        return o != null;
    }
}