org.codehaus.groovy.tools.shell.commands.LoadCommand.groovy Maven / Gradle / Ivy
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Groovy: A powerful, dynamic language for the JVM
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.console.completer.Completer
import org.codehaus.groovy.tools.shell.CommandSupport
import org.codehaus.groovy.tools.shell.Groovysh
import org.codehaus.groovy.tools.shell.completion.FileNameCompleter
/**
* The 'load' command.
*
* @author Jason Dillon
*/
class LoadCommand
extends CommandSupport
{
public static final String COMMAND_NAME = ':load'
LoadCommand(final Groovysh shell) {
super(shell, COMMAND_NAME, ':l')
alias('.', ':.')
}
@Override
protected List createCompleters() {
return [ new FileNameCompleter(true, true) ]
}
@Override
Object execute(final List args) {
assert args != null
if (args.size() == 0) {
fail("Command '$COMMAND_NAME' requires at least one argument") // TODO: i18n
}
for (source in args) {
URL url
log.debug("Attempting to load: \"$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 { String it, int lineNumber ->
if (lineNumber == 1 && it.startsWith('#!')) {
return
}
shell << it as String
}
}
}