filter.java

反向的AJAX。最大的特性是我们成为反向的Ajax。DWR1.x允许你用javascript异步的访问java代码。DWR2.0在这上允许你建立异步java访问javascript代码。 反向的Aj

/*
 * Copyright 2006 Maik Schreiber <blizzy AT blizzy DOT de>
 *
 * 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 org.directwebremoting.annotations;

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

import org.directwebremoting.AjaxFilter;

/**
 * Filter remote accesses to a class.
 * <p>To apply multiple filters, use the {@link Filters} annotation.</p>
 * @author Maik Schreiber <blizzy AT blizzy DOT de>
 * @author Joe Walker [joe at getahead dot ltd dot uk]
 */
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
public @interface Filter
{
    /**
     * The filter implementation to use.
     */
    Class<? extends AjaxFilter> type();

    /**
     * Parameters for the filter.
     */
    Param[] params() default {};
}