Groovy example source code file (LineBorderFactory.groovy)

This example Groovy source code file (LineBorderFactory.groovy) 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

border, gui, lineborder, lineborderfactory, map, map, object, object, runtimeexception, runtimeexception, swing, swingborderfactory, swingborderfactory

The Groovy LineBorderFactory.groovy source code

/*
 * Copyright 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.swing.factory

import javax.swing.border.LineBorder

/**
 * accepts attributes:<br />
 * color: java.awt.Color <br/>
 * color: java.awt.Color, thickness: int <br/>
 * color: java.awt.Color, thickness: int, roundedBorders: boolean <br/>
 *
 */
class LineBorderFactory extends SwingBorderFactory {

    public Object newInstance(FactoryBuilderSupport builder, Object name, Object value, Map attributes) {
        builder.context.applyBorderToParent = attributes.remove('parent')
        
        def color = attributes.remove("color")
        if (color == null) {
            throw new RuntimeException("color: is a required attribute for $name")
        }
        def thickness = attributes.remove("thickness")
        if (thickness == null) {
            thickness = 1
        }
        def roundedCorners = attributes.remove("roundedCorners")
        if (roundedCorners == null) {
            roundedCorners = false
        }
        if (attributes) {
            throw new RuntimeException("$name does not know how to handle the remaining attibutes: ${attributes.keySet()}")
        }

        return new LineBorder(color, thickness, roundedCorners);
    }

}