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J8 samples (#665)
* j8-samples Some bugs * minor tweaks... 1. Fix guestbook-datastore to release API’s 2. Fix the rest to have 1.3.1 & runtime: java8 * add j8 suffix to artifactId * Fix import order * CheckStyle magic.
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‎.mvn/wrapper/maven-wrapper.properties

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distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.3.9/apache-maven-3.3.9-bin.zip
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distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.0/apache-maven-3.5.0-bin.zip

‎appengine-java8/README.md

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# Google App Engine Standard Environment Samples for Java 8
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This is a repository that contains Java code samples for [Google App Engine
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standard environment][ae-docs].
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[ae-docs]: https://cloud.google.com/appengine/docs/java/
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## Prerequisites
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### Download Maven
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These samples use the [Apache Maven][maven] build system. Before getting
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started, be sure to [download][maven-download] and [install][maven-install] it.
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When you use Maven as described here, it will automatically download the needed
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client libraries.
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[maven]: https://maven.apache.org
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[maven-download]: https://maven.apache.org/download.cgi
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[maven-install]: https://maven.apache.org/install.html
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### Create a Project in the Google Cloud Platform Console
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If you haven't already created a project, create one now. Projects enable you to
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manage all Google Cloud Platform resources for your app, including deployment,
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access control, billing, and services.
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1. Open the [Cloud Platform Console][cloud-console].
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1. In the drop-down menu at the top, select **Create a project**.
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1. Give your project a name.
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1. Make a note of the project ID, which might be different from the project
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name. The project ID is used in commands and in configurations.
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[cloud-console]: https://console.cloud.google.com/
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## Samples
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### Hello World
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This sample demonstrates how to deploy an application on Google App Engine.
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- [Documentation][ae-docs]
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- [Code](helloworld)
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### Sending Email
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#### Sending Email with Mailgun
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This sample demonstrates how to send email using the [Mailgun API][mailgun-api].
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- [Documentation][mailgun-sample-docs]
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- [Code](mailgun)
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[mailgun-api]: https://documentation.mailgun.com/
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[mailgun-sample-docs]: https://cloud.google.com/appengine/docs/java/mail/mailgun
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#### Sending Email with SendGrid
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This sample demonstrates how to send email using the [SendGrid][sendgrid].
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- [Documentation][sendgrid-sample-docs]
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- [Code](sendgrid)
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[sendgrid]: https://sendgrid.com/docs/User_Guide/index.html
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[sendgrid-sample-docs]: https://cloud.google.com/appengine/docs/java/mail/sendgrid
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### Sending SMS with Twilio
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This sample demonstrates how to use [Twilio](https://www.twilio.com) on [Google
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App Engine standard environment][ae-docs].
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- [Documentation][twilio-sample-docs]
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- [Code](twilio)
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[twilio-sample-docs]: https://cloud.google.com/appengine/docs/java/sms/twilio
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### App Identity
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This sample demonstrates how to use the [App Identity API][appid] to discover
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the application's ID and assert identity to Google and third-party APIs.
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- [Documentation][appid]
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- [Code](appidentity)
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[appid]: https://cloud.google.com/appengine/docs/java/appidentity/
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### Other Samples
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- [Sample Applications][sample-apps]
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[sample-apps]: https://cloud.google.com/appengine/docs/java/samples
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## Contributing changes
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See [CONTRIBUTING.md](../CONTRIBUTING.md).
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## Licensing
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See [LICENSE](../LICENSE).
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‎appengine-java8/analytics/pom.xml

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<!--
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Copyright 2017 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<project>
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<modelVersion>4.0.0</modelVersion>
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<packaging>war</packaging>
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<version>1.0-SNAPSHOT</version>
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<groupId>com.example.appengine</groupId>
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<artifactId>appengine-analytics-j8</artifactId>
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<parent>
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<artifactId>appengine-java8-samples</artifactId>
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<groupId>com.google.cloud</groupId>
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<version>1.0.0</version>
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<relativePath>..</relativePath>
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</parent>
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<!-- Parent POM defines ${appengine.sdk.version} (updates frequently). -->
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<properties>
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<maven.compiler.target>1.8</maven.compiler.target>
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<maven.compiler.source>1.8</maven.compiler.source>
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<appengine.sdk.version>1.9.52</appengine.sdk.version>
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</properties>
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<dependencies>
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<!-- Compile/runtime dependencies -->
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<dependency>
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<groupId>com.google.appengine</groupId>
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<artifactId>appengine-api-1.0-sdk</artifactId>
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<version>${appengine.sdk.version}</version>
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</dependency>
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<dependency>
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<groupId>jstl</groupId>
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<artifactId>jstl</artifactId>
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<version>1.2</version>
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</dependency>
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<dependency>
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<groupId>org.apache.httpcomponents</groupId>
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<artifactId>httpclient</artifactId>
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<version>4.5.3</version>
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</dependency>
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>javax.servlet-api</artifactId>
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<version>3.1.0</version>
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<type>jar</type>
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<scope>provided</scope>
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</dependency>
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<!-- Test Dependencies -->
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<dependency>
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<groupId>com.google.appengine</groupId>
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<artifactId>appengine-testing</artifactId>
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<version>${appengine.sdk.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.google.appengine</groupId>
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<artifactId>appengine-api-stubs</artifactId>
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<version>${appengine.sdk.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.12</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-core</artifactId>
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<version>2.7.22</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.jcabi</groupId>
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<artifactId>jcabi-matchers</artifactId>
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<version>1.4</version>
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</dependency>
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<dependency>
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<groupId>com.google.truth</groupId>
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<artifactId>truth</artifactId>
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<version>0.32</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<!-- for hot reload of the web application -->
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<outputDirectory>${project.build.directory}/${project.build.finalName}/WEB-INF/classes</outputDirectory>
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<plugins>
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<plugin>
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<groupId>com.google.cloud.tools</groupId>
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<artifactId>appengine-maven-plugin</artifactId>
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<version>1.3.1</version>
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<configuration>
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<deploy.promote>true</deploy.promote>
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<deploy.stopPreviousVersion>true</deploy.stopPreviousVersion>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>

‎appengine-java8/analytics/src/main/java/com/example/appengine/analytics/AnalyticsServlet.java

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/**
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* Copyright 2015 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.appengine.analytics;
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import com.google.appengine.api.urlfetch.URLFetchService;
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import com.google.appengine.api.urlfetch.URLFetchServiceFactory;
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import org.apache.http.client.utils.URIBuilder;
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import java.io.IOException;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.net.URL;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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// [START example]
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@SuppressWarnings("serial")
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public class AnalyticsServlet extends HttpServlet {
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@Override
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public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException,
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ServletException {
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String trackingId = System.getenv("GA_TRACKING_ID");
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URIBuilder builder = new URIBuilder();
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builder.setScheme("http").setHost("www.google-analytics.com").setPath("/collect")
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.addParameter("v", "1") // API Version.
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.addParameter("tid", trackingId) // Tracking ID / Property ID.
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// Anonymous Client Identifier. Ideally, this should be a UUID that
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// is associated with particular user, device, or browser instance.
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.addParameter("cid", "555")
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.addParameter("t", "event") // Event hit type.
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.addParameter("ec", "example") // Event category.
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.addParameter("ea", "test action"); // Event action.
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URI uri = null;
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try {
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uri = builder.build();
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} catch (URISyntaxException e) {
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throw new ServletException("Problem building URI", e);
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}
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URLFetchService fetcher = URLFetchServiceFactory.getURLFetchService();
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URL url = uri.toURL();
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fetcher.fetch(url);
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resp.getWriter().println("Event tracked.");
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}
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}
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// [END example]

‎appengine-java8/analytics/src/main/webapp/WEB-INF/appengine-web.xml

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<?xml version="1.0" encoding="utf-8"?>
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<!-- [START_EXCLUDE] -->
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<!--
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Copyright 2015 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<!-- [END_EXCLUDE] -->
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<appengine-web-app xmlns="http://appengine.google.com/ns/1.0">
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<threadsafe>true</threadsafe>
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<runtime>java8</runtime>
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<env-variables>
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<env-var name="GA_TRACKING_ID" value="YOUR-GA-TRACKING-ID" />
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</env-variables>
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</appengine-web-app>
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‎appengine-java8/analytics/src/main/webapp/WEB-INF/web.xml

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<?xml version="1.0" encoding="utf-8"?>
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<!-- [START_EXCLUDE] -->
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<!--
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Copyright 2015 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<!-- [END_EXCLUDE] -->
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<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee"
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xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
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xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
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version="2.5">
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<servlet>
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<servlet-name>analytics</servlet-name>
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<servlet-class>com.example.appengine.analytics.AnalyticsServlet</servlet-class>
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</servlet>
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<servlet-mapping>
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<servlet-name>analytics</servlet-name>
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<url-pattern>/</url-pattern>
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</servlet-mapping>
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</web-app>
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‎appengine-java8/appidentity/README.md

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# App Identity sample for Google App Engine
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This sample demonstrates how to use the [App Identity API][appid] on [Google App
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Engine][ae-docs].
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[appid]: https://cloud.google.com/appengine/docs/java/appidentity/
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[ae-docs]: https://cloud.google.com/appengine/docs/java/
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## Running locally
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This example uses the
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[Maven Cloud SDK based plugin](https://cloud.google.com/appengine/docs/java/tools/using-maven).
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To run this sample locally:
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$ mvn appengine:run
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## Deploying
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$ mvn appengine:deploy

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