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Java example source code file (ServletModuleTargetVisitor.java)

This example Java source code file (ServletModuleTargetVisitor.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

bindingtargetvisitor, http, request, response, servlet, servletmoduletargetvisitor

The ServletModuleTargetVisitor.java Java example source code

/**
 * Copyright (C) 2010 Google Inc.
 * 
 * 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 com.google.inject.servlet;

import com.google.inject.servlet.ServletModule.FilterKeyBindingBuilder;
import com.google.inject.servlet.ServletModule.ServletKeyBindingBuilder;
import com.google.inject.spi.BindingTargetVisitor;

import javax.servlet.Filter;
import javax.servlet.http.HttpServlet;

/**
 * A visitor for the servlet extension.
 * 
 * If your {@link BindingTargetVisitor} implements this interface, bindings created by using
 * {@link ServletModule} will be visited through this interface.
 * 
 * @since 3.0
 * @author sameb@google.com (Sam Berlin)
 */
public interface ServletModuleTargetVisitor<T, V> extends BindingTargetVisitor {

  /**
   * Visits a filter binding created by {@link ServletModule#filter}, where
   * {@link FilterKeyBindingBuilder#through} is called with a Class or Key.
   * 
   * If multiple patterns were specified, this will be called multiple times.
   */
  V visit(LinkedFilterBinding binding);

  /**
   * Visits a filter binding created by {@link ServletModule#filter} where
   * {@link FilterKeyBindingBuilder#through} is called with a {@link Filter}.
   * 
   * If multiple patterns were specified, this will be called multiple times. 
   */
  V visit(InstanceFilterBinding binding);

  /**
   * Visits a servlet binding created by {@link ServletModule#serve} where
   * {@link ServletKeyBindingBuilder#with}, is called with a Class or Key.
   * 
   * If multiple patterns were specified, this will be called multiple times.
   */
  V visit(LinkedServletBinding binding);

  /**
   * Visits a servlet binding created by {@link ServletModule#serve} where 
   * {@link ServletKeyBindingBuilder#with}, is called with an {@link HttpServlet}.
   * 
   * If multiple patterns were specified, this will be called multiple times.
   */
  V visit(InstanceServletBinding binding);
}

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