| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.codehaus.groovy.control.customizers.builder; |
| |
| import groovy.lang.Closure; |
| import groovy.lang.GString; |
| import groovy.util.AbstractFactory; |
| import groovy.util.FactoryBuilderSupport; |
| import org.codehaus.groovy.control.customizers.ImportCustomizer; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| |
| /** |
| * This factory allows the generation of an {@link ImportCustomizer import customizer}. You may embed several |
| * elements: |
| * <ul> |
| * <li><i>normal</i> for "regular" imports</li> |
| * <li><i>star</i> for "star" imports</li> |
| * <li><i>staticStar</i> for "static star" imports</li> |
| * <li><i>alias</i> for imports with alias</li> |
| * <li><i>staticMember</i> for static imports of individual members</li> |
| * </ul> |
| * |
| * For example: |
| * <pre><code>builder.imports { |
| * alias 'AI', 'java.util.concurrent.atomic.AtomicInteger' |
| * alias 'AL', 'java.util.concurrent.atomic.AtomicLong' |
| *}</code></pre> |
| * |
| * @since 2.1.0 |
| */ |
| public class ImportCustomizerFactory extends AbstractFactory { |
| @Override |
| public boolean isHandlesNodeChildren() { |
| return true; |
| } |
| |
| public Object newInstance(final FactoryBuilderSupport builder, final Object name, final Object value, final Map attributes) throws InstantiationException, IllegalAccessException { |
| ImportCustomizer customizer = new ImportCustomizer(); |
| addImport(customizer, value); |
| return customizer; |
| } |
| |
| private void addImport(final ImportCustomizer customizer, final Object value) { |
| if (value==null) return; |
| if (value instanceof Collection) { |
| for (Object e : (Collection)value) { |
| addImport(customizer, e); |
| } |
| } else if (value instanceof String) { |
| customizer.addImports((String)value); |
| } else if (value instanceof Class) { |
| customizer.addImports(((Class) value).getName()); |
| } else if (value instanceof GString) { |
| customizer.addImports(value.toString()); |
| } else { |
| throw new RuntimeException("Unsupported import value type ["+value+"]"); |
| } |
| } |
| |
| @Override |
| public boolean onNodeChildren(final FactoryBuilderSupport builder, final Object node, final Closure childContent) { |
| if (node instanceof ImportCustomizer) { |
| Closure clone = (Closure) childContent.clone(); |
| clone.setDelegate(new ImportHelper((ImportCustomizer) node)); |
| clone.call(); |
| } |
| return false; |
| } |
| |
| private static final class ImportHelper { |
| private final ImportCustomizer customizer; |
| |
| private ImportHelper(final ImportCustomizer customizer) { |
| this.customizer = customizer; |
| } |
| |
| protected void normal(String... names) { |
| customizer.addImports(names); |
| } |
| protected void normal(Class... classes) { |
| for (Class aClass : classes) { |
| customizer.addImports(aClass.getName()); |
| } |
| } |
| |
| protected void alias(String alias, String name) { |
| customizer.addImport(alias, name); |
| } |
| protected void alias(String alias, Class clazz) { |
| customizer.addImport(alias, clazz.getName()); |
| } |
| |
| protected void star(String... packages) { |
| customizer.addStarImports(packages); |
| } |
| |
| protected void staticStar(String... classNames) { |
| customizer.addStaticStars(classNames); |
| } |
| protected void staticStar(Class... classes) { |
| for (Class aClass : classes) { |
| customizer.addStaticStars(aClass.getName()); |
| } |
| } |
| |
| protected void staticMember(String name, String field) { |
| customizer.addStaticImport(name, field); |
| } |
| protected void staticMember(String alias, String name, String field) { |
| customizer.addStaticImport(alias, name, field); |
| } |
| |
| } |
| |
| } |