1 /** 2 * Copyright (C) 2010 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 15 package com.google.inject.servlet; 16 17 import com.google.inject.servlet.ServletModule.FilterKeyBindingBuilder; 18 import com.google.inject.servlet.ServletModule.ServletKeyBindingBuilder; 19 import com.google.inject.spi.BindingTargetVisitor; 20 21 import javax.servlet.Filter; 22 import javax.servlet.http.HttpServlet; 23 24 /** 25 * A visitor for the servlet extension. 26 * 27 * If your {@link BindingTargetVisitor} implements this interface, bindings created by using 28 * {@link ServletModule} will be visited through this interface. 29 * 30 * @since 3.0 31 * @author sameb (at) google.com (Sam Berlin) 32 */ 33 public interface ServletModuleTargetVisitor<T, V> extends BindingTargetVisitor<T, V> { 34 35 /** 36 * Visits a filter binding created by {@link ServletModule#filter}, where 37 * {@link FilterKeyBindingBuilder#through} is called with a Class or Key. 38 * 39 * If multiple patterns were specified, this will be called multiple times. 40 */ 41 V visit(LinkedFilterBinding binding); 42 43 /** 44 * Visits a filter binding created by {@link ServletModule#filter} where 45 * {@link FilterKeyBindingBuilder#through} is called with a {@link Filter}. 46 * 47 * If multiple patterns were specified, this will be called multiple times. 48 */ 49 V visit(InstanceFilterBinding binding); 50 51 /** 52 * Visits a servlet binding created by {@link ServletModule#serve} where 53 * {@link ServletKeyBindingBuilder#with}, is called with a Class or Key. 54 * 55 * If multiple patterns were specified, this will be called multiple times. 56 */ 57 V visit(LinkedServletBinding binding); 58 59 /** 60 * Visits a servlet binding created by {@link ServletModule#serve} where 61 * {@link ServletKeyBindingBuilder#with}, is called with an {@link HttpServlet}. 62 * 63 * If multiple patterns were specified, this will be called multiple times. 64 */ 65 V visit(InstanceServletBinding binding); 66 }
