/*
* Copyright (C) 2008 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.guiceberry.controllable;
import com.google.common.collect.ImmutableMultimap;
import com.google.common.collect.Multimap;
import com.google.inject.AbstractModule;
import com.google.inject.BindingAnnotation;
import com.google.inject.Module;
import com.google.inject.Provider;
import com.google.inject.Provides;
import com.google.inject.servlet.RequestScoped;
import com.google.guiceberry.TestId;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.util.Collection;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
/**
* Installing this {@link Module} in your server injector will give you the
* canonical implementation of a {@link TestId} {@link Provider}, one that
* builds it from the {@link HttpServletRequest}'s {@link Cookie} named
* {@code TestId.COOKIE_NAME}.
*
* @author Luiz-Otavio Zorzella
*/
public class TestIdServerModule extends AbstractModule {
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD, ElementType.PARAMETER, ElementType.METHOD})
@BindingAnnotation
@interface CookieMap {}
@Provides
@RequestScoped
TestId get(@CookieMap Multimap<String,Cookie> cookieMap) {
Collection<Cookie> temp = cookieMap.get(TestId.COOKIE_NAME);
if (temp.size() > 1) {
throw new IllegalStateException(String.format(
"There's more than one Cookie named '%s'.", TestId.COOKIE_NAME));
} else if (temp.size() == 0) {
return null;
}
return new TestId(temp.iterator().next());
}
@Provides
@CookieMap
@RequestScoped
Multimap<String,Cookie> getCookieMap(
Provider<HttpServletRequest> httpServletRequestProvider) {
Cookie[] cookies = httpServletRequestProvider.get().getCookies();
ImmutableMultimap.Builder<String, Cookie> temp =
new ImmutableMultimap.Builder<String, Cookie>();
if (cookies != null) {
for (Cookie cookie : cookies) {
temp.put(cookie.getName(), cookie);
}
}
return temp.build();
}
@Override
protected void configure() {}
}