home | career | drupal | java | mac | mysql | perl | scala | uml | unix

Groovy example source code file (LoadCommand.groovy)

This example Groovy source code file (LoadCommand.groovy) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

command, commandsupport, file, file, filenamecompletor, list, list, loadcommand, loadcommand, malformedurlexception, object, todo, url, url

The Groovy LoadCommand.groovy source code

/*
 * Copyright 2003-2007 the original author or 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.codehaus.groovy.tools.shell.commands

import jline.FileNameCompletor

import org.codehaus.groovy.tools.shell.CommandSupport
import org.codehaus.groovy.tools.shell.Shell

/**
 * The 'load' command.
 *
 * @version $Id: LoadCommand.groovy 7711 2007-08-25 01:27:50Z user57 $
 * @author <a href="mailto:jason@planet57.com">Jason Dillon
 */
class LoadCommand
    extends CommandSupport
{
    LoadCommand(final Shell shell) {
        super(shell, 'load', '\\l')

        alias('.', '\\.')
    }

    protected List createCompletors() {
        return [ new FileNameCompletor() ]
    }

    Object execute(final List args) {
        assert args != null
        
        if (args.size() == 0) {
            fail("Command 'load' requires at least one argument") // TODO: i18n
        }

        for (source in args) {
            URL url
            
            log.debug("Attempting to load: $url")
            
            try {
                url = new URL("$source")
            }
            catch (MalformedURLException e) {
                def file = new File("$source")
                
                if (!file.exists()) {
                    fail("File not found: $file") // TODO: i18n
                }
                
                url = file.toURI().toURL()
            }

            load(url)
        }
    }

    void load(final URL url) {
        assert url != null

        if (io.verbose) {
            io.out.println("Loading: $url")
        }

        url.eachLine {
            shell << it
        }
    }
}

Other Groovy examples (source code examples)

Here is a short list of links related to this Groovy LoadCommand.groovy source code file:

new blog posts

 

Copyright 1998-2014 Alvin Alexander, alvinalexander.com
All Rights Reserved.