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Groovy example source code file (GroovyLog.java)

This example Groovy source code file (GroovyLog.java) 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

deprecated, deprecated, groovylog, groovylog, groovyobjectsupport, object, object, string, string

The Groovy GroovyLog.java 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 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 <a href="mailto:james@coredevelopers.net">James Strachan
 * @version $Revision: 18133 $
 */
@Deprecated
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;
    }
}

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