Jetty example source code file (SystemProperties.java)

This example Jetty source code file (SystemProperties.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 - Jetty tags/keywords

arraylist, arraylist, list, list, setting, setting, systemproperties, systemproperties, util

The Jetty SystemProperties.java source code

//========================================================================
//Copyright 2006-2007 Sabre Holdings.
//------------------------------------------------------------------------
//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.mortbay.jetty.ant.types;

import java.util.ArrayList;
import java.util.List;

import org.apache.tools.ant.taskdefs.Property;
import org.mortbay.jetty.ant.utils.TaskLog;

/**
 * Ant <systemProperties/> tag definition.
 * 
 * @author Jakub Pawlowicz
 */
public class SystemProperties
{

    private List systemProperties = new ArrayList();

    public List getSystemProperties()
    {
        return systemProperties;
    }

    public void addSystemProperty(Property property)
    {
        systemProperties.add(property);
    }

    /**
     * Set a System.property with this value if it is not already set.
     * 
     * @return
     */
    public static boolean setIfNotSetAlready(Property property)
    {
        if (System.getProperty(property.getName()) == null)
        {
            System.setProperty(property.getName(), (property.getValue() == null ? "" : property
                    .getValue()));
            TaskLog.log("Setting property '" + property.getName() + "' to value '"
                    + property.getValue() + "'");
            return true;
        }

        return false;
    }
}