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Groovy: A powerful, dynamic language for the JVM
/*
* 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 groovy.util;
import groovy.lang.GroovyObjectSupport;
import org.codehaus.groovy.runtime.DefaultGroovyMethods;
//
// FIXME: This class really isn't all that useful. It would be *much* better if there
// was a simple log API in groovy to dynamically switch to the logging facade that
// is actually installed.
//
/**
* Represents an arbitrary logging service. By default this outputs to
* System.out though derivations of this class could log to Jakarta Commons Logging
* or log4j or JDK 1.5 logging etc
*
* @author James Strachan
* @version $Revision: 7210 $
*/
public class GroovyLog extends GroovyObjectSupport {
String prefix;
/**
* Factory method to create new instances
*/
public static GroovyLog newInstance(Class aClass) {
return new GroovyLog(aClass);
}
public GroovyLog() {
this("");
}
public GroovyLog(Class type) {
this(type.getName());
}
public GroovyLog(Object obj) {
this(obj.getClass());
}
public GroovyLog(String prefix) {
//
// FIXME: This kinda sucks as a default... shouldn't tack on any [ or : muck
//
this.prefix = (prefix != null && prefix.length() > 0) ? "[" + prefix + ":" : "[";
}
public Object invokeMethod(String name, Object args) {
if (args != null && args.getClass().isArray()) {
args = DefaultGroovyMethods.join((Object[])args, ",");
}
//
// FIXME: This kinda sucks as an output format, should probably ucase name and then
// warp prefix in [] and then output the args. Basically what the SimpleLog
// does in JCL.
//
System.out.println(prefix + name + "] " + args);
return null;
}
}