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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 org.codehaus.groovy.runtime.InvokerHelper
import org.codehaus.groovy.runtime.MethodClosure
import org.codehaus.groovy.tools.shell.ComplexCommandSupport
import org.codehaus.groovy.tools.shell.Groovysh
import org.codehaus.groovy.tools.shell.util.Preferences
/**
* The 'show' command.
*
* @author Jason Dillon
*/
class ShowCommand
extends ComplexCommandSupport
{
public static final String COMMAND_NAME = ':show'
ShowCommand(final Groovysh shell) {
super(shell, COMMAND_NAME, ':S', [ 'variables', 'classes', 'imports', 'preferences', 'all' ])
}
def do_variables = {
if (variables.isEmpty()) {
io.out.println('No variables defined') // TODO: i18n
}
else {
io.out.println('Variables:') // TODO: i18n
variables.each { key, value ->
// Special handling for defined methods, just show the sig
if (value instanceof MethodClosure) {
//
// TODO: Would be nice to show the argument types it will accept...
//
value = "method ${value.method}()"
}
io.out.println(" $key = ${InvokerHelper.toString(value)}")
}
}
}
def do_classes = {
Class[] classes = classLoader.loadedClasses
if (classes.size() == 0) {
io.out.println('No classes have been loaded') // TODO: i18n
}
else {
io.out.println('Classes:') // TODO: i18n
classes.each { Class classIt ->
io.out.println(" $classIt")
}
}
}
def do_imports = {
if (imports.isEmpty()) {
io.out.println('No custom imports have been defined') // TODO: i18n
}
else {
io.out.println('Custom imports:') // TODO: i18n
imports.each {String importIt ->
io.out.println(" $importIt")
}
}
}
def do_preferences = {
String[] keys = Preferences.keys()
if (keys.size() == 0) {
io.out.println('No preferences are set')
return
}
io.out.println('Preferences:')
keys.each { String key ->
def value = Preferences.get(key, null)
io.out.println(" $key=$value")
}
return
}
}