org.grails.cli.gradle.commands.GradleCommand.groovy Maven / Gradle / Ivy

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/*
 * Copyright 2014 original 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.grails.cli.gradle.commands
import groovy.transform.CompileStatic
import jline.console.completer.Completer
import org.gradle.tooling.BuildLauncher
import org.grails.cli.gradle.GradleUtil
import org.grails.cli.interactive.completers.ClosureCompleter
import org.grails.cli.profile.*
/**
 * A command for invoking Gradle commands
 *
 * @author Graeme Rocher
 */
@CompileStatic
class GradleCommand implements ProjectCommand, Completer, ProjectContextAware {
    public static final String GRADLE = "gradle"

    final String name = GRADLE
    final CommandDescription description = new CommandDescription(name, "Allows running of Gradle tasks", "gradle [task name]")
    ProjectContext projectContext

    private ReadGradleTasks readTasks
    private Completer completer

    void setProjectContext(ProjectContext projectContext) {
        this.projectContext = projectContext
        initializeCompleter()
    }

    @Override
    boolean handle(ExecutionContext context) {
        GradleUtil.runBuildWithConsoleOutput(context) { BuildLauncher buildLauncher ->
            def args = context.commandLine.remainingArgsString?.trim()
            if(args) {
                buildLauncher.withArguments(args)
            }
        }
        return true
    }

    @Override
    int complete(String buffer, int cursor, List candidates) {
        initializeCompleter()

        if(completer)
            return completer.complete(buffer, cursor, candidates)
        else
            return cursor
    }

    private void initializeCompleter() {
        if (completer == null && projectContext) {
            readTasks = new ReadGradleTasks(projectContext)
            completer = new ClosureCompleter((Closure>) { readTasks.call() })
        }
    }

}