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Groovy: A powerful, dynamic language for the JVM

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/*
 * Copyright 2003-2009 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.lang;

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.annotation.ElementType;

/**
 * Used to grab the referenced artifact and its dependencies and make it available on the Classpath.
 */
@Retention(RetentionPolicy.SOURCE)
@Target({
    ElementType.CONSTRUCTOR,
    ElementType.FIELD,
    ElementType.LOCAL_VARIABLE,
    ElementType.METHOD,
    ElementType.PARAMETER,
    ElementType.TYPE})
public @interface Grab {
    String group() default "";
    String module() ;
    String version() default "*";
    String classifier() default "";

    /**
     * By default, when a @Grab annotation is used, the grab() call is added
     * to the static initializers of the class the annotatable node appears in.
     * If you wish to disable this add initClass=false to the annotation.
     */
    boolean initClass() default true;
}