Groovy example source code file (EtchedBorderFactory.groovy)

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Java - Groovy tags/keywords

awt, color, color, etchedborderfactory, etchedborderfactory, gui, map, map, object, object, runtimeexception, swing, swingborderfactory

The Groovy EtchedBorderFactory.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 java.awt.Color
import javax.swing.BorderFactory

class EtchedBorderFactory extends SwingBorderFactory {

    final int type;

    public EtchedBorderFactory(int newType) {
        type = newType;
    }

    public Object newInstance(FactoryBuilderSupport builder, Object name, Object value, Map attributes) {
        builder.context.applyBorderToParent = attributes.remove('parent')
        // no if-else-if chain so that we can have one attribute failure block
        if (attributes.containsKey("highlight")) {
            Color highlight = attributes.remove("highlight")
            Color shadow = attributes.remove("shadow")
            if (highlight && shadow && !attributes) {
                return BorderFactory.createEtchedBorder(type, highlight, shadow);
            }
        }
        if (attributes) {
            throw new RuntimeException("$name only accepts no attributes, or highlight: and shadow: attributes")
        }
        return BorderFactory.createEtchedBorder(type);
    }

}