com.tinkerpop.gremlin.console.commands.UninstallCommand.groovy Maven / Gradle / Ivy

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package com.tinkerpop.gremlin.console.commands

import com.tinkerpop.gremlin.console.Mediator
import org.codehaus.groovy.tools.shell.CommandSupport
import org.codehaus.groovy.tools.shell.Groovysh

/**
 * Uninstall a maven dependency from the Console's path.
 *
 * @author Stephen Mallette (http://stephen.genoprime.com)
 */
class UninstallCommand extends CommandSupport {

    private final Mediator mediator

    public UninstallCommand(final Groovysh shell, final Mediator mediator) {
        super(shell, ":uninstall", ":-")
        this.mediator = mediator
    }

    @Override
    def Object execute(final List arguments) {
        final String module = arguments.size() >= 1 ? arguments.get(0) : null
        if (module == null || module.isEmpty()) return "specify the name of the module containing plugins to uninstall"

        final String extClassPath = getPathFromDependency(module)

        final File f = new File(extClassPath)
        if (!f.exists())
            return "there is no module with the name $module to remove - $extClassPath"
        else {
            f.deleteDir()
            return "uninstalled $module - restart the console for removal to take effect"
        }
    }

    private static String getPathFromDependency(final String module) {
        def fileSep = System.getProperty("file.separator")
        def extClassPath = System.getProperty("user.dir") + fileSep + "ext" + fileSep + (String) module
        return extClassPath
    }
}