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Implement ActFramework View with JXLS library to generate Excel report

There is a newer version: 1.9.2

package act.view.excel;

/*-
 * #%L
 * ACT Excel
 * %%
 * Copyright (C) 2015 - 2017 ActFramework
 * %%
 * 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.
 * #L%
 */

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

/**
 * Mark a class as Jexl function.
 *
 * See http://jxls.sourceforge.net/reference/expression_language.html
 */
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
public @interface JexlFunc {
    /**
     * Specify the namespace of the function
     * @return the function namespace
     */
    String value();
}