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Update Endpoints Migration sample
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frankyn authored Mar 28, 2017
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8 changes: 4 additions & 4 deletions appengine/endpoints-frameworks-v2/README.md
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This directory contains Google Cloud Endpoints Frameworks for App Engine for
App Engine Standard samples. The [`backend/`](backend/) directory contains the
sample code for the [quickstart][4] for Cloud Endpoints Frameworks on App Engine
using an OpenAPI development process. The [`discovery/`](discovery/) directory
contains the sample code for [migrated][2] prior version of [Cloud Endpoints
Frameworks][1] project to the new [Cloud Endpoints Frameworks for App Engine][8]
using a discovery document development process.
using an OpenAPI development process. The [`migration-example/`](migration-example/) directory
contains the sample code for a [migrated][2] version of the [Cloud Endpoints
Frameworks][1] sample project to the new [Cloud Endpoints Frameworks for App Engine][8]
development process.

The new Google Cloud Endpoints Frameworks for App Engine provides
[additional functionality][3] using OpenAPI which may require payment.
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# Hello World Google Cloud Endpoints for App Engine with a discovery document
# Hello World Google Cloud Endpoints for App Engine

This sample provides an example of a [migration][7] from the prior version of
[Google Cloud Endpoints Frameworks][3] to new [Google Cloud Endpoints Frameworks for App Engine][8]
while still using a discovery document. This sample contains comments of how to
use the prior Endpoints Frameworks as well. For clarity, the prior Endpoints
Frameworks and the new Endpoints Frameworks are denoted as Endpoints Frameworks v1.0
and Endpoints Frameworks v2.0 respectively.
[Google Cloud Endpoints Frameworks][3] to new [Google Cloud Endpoints Frameworks for App Engine][8].
This sample contains comments of how to use the prior Endpoints Frameworks as
well. For clarity, the prior Endpoints Frameworks and the new Endpoints
Frameworks are denoted as Endpoints Frameworks v1.0 and Endpoints Frameworks
v2.0, respectively.

Google Cloud Endpoints Frameworks v2.0 provides new functionality which may
require payment and uses an OpenAPI specification instead of the discovery document.
The OpenAPI development process is explained [here][8] and a quickstart is
provided [here][9].
require payment and uses an OpenAPI specification. The OpenAPI development
process is explained [here][8] and a quickstart is provided [here][9].

## Products
- [Google App Engine Standard][1]
Expand All @@ -30,23 +29,27 @@ provided [here][9].
1. [Optional]: User Authenticating with Google Accounts in Web Clients

1. Update the `WEB_CLIENT_ID` in [Constants.java](src/main/java/com/example/helloendpoints/Constants.java)
to reflect the web client ID you have registered in the [Credentials on Developers Console for OAuth 2.0 client IDs][6].
to reflect the web client ID you have registered in the
[Credentials on Developers Console for OAuth 2.0 client IDs][6].

1. Update the value of `google.devrel.samples.helloendpoints.CLIENT_ID` in [base.js](src/main/webapp/js/base.js)
to reflect the web client ID you have registered in the [Credentials on Developers Console for OAuth 2.0 client IDs][6].
1. Update the value of `google.devrel.samples.helloendpoints.CLIENT_ID` in
[base.js](src/main/webapp/js/base.js) to reflect the web client ID you
have registered in the
[Credentials on Developers Console for OAuth 2.0 client IDs][6].

1. [Optional]: User Authenticating with Google Accounts in other Applications Types

- Inside [Constants.java](src/main/java/com/example/helloendpoints/Constants.java) you will find placeholders for Android
and iOS applications using Google Accounts client IDs registered in the
applications using Google Accounts client IDs registered in the
[Credentials on Developers Console for OAuth 2.0 client IDs][6].

- These client IDs are used when defining annotation for this sample API found in [Greetings.java](src/main/java/com/example/helloendpoints/Greetings.java).
- These client IDs are used when defining annotation for this sample API
found in [Greetings.java](src/main/java/com/example/helloendpoints/Greetings.java).

- You can read more about different user authentication supported [here][12].


1. [Optional]: Use Cloud Endpoints Frameworks v2.0 Maven and Gradle discovery and
1. [Optional]: Use Cloud Endpoints Frameworks v2.0 Maven and Gradle
client library generation plugins with Cloud Endpoints Frameworks v1.0.

- Uncomment `Endpoints Frameworks v1.0` sections and comment
Expand All @@ -62,57 +65,61 @@ provided [here][9].
### Maven
1. Build a fresh binary with
1. Build a fresh binary by using:
`mvn clean compile`
1. Run the application locally at [localhost:8080][5] with
1. Run the application locally at [http://localhost:8080][5] by using:
`mvn appengine:run`
1. Generate the client library in a zip file named `helloworld-v1-java.zip` with
1. Explore local server's API explorer by browsing to:
[http://localhost:8080/_ah/api/explorer][13]
1. Generate the client library located at `target/client-libs/helloworld-v1-java.zip`
by using:
`mvn endpoints-framework:clientLibs`
1. Deploy your application to Google App Engine with
1. Deploy your application to Google App Engine by using:
`mvn appengine:deploy`
### Gradle
1. Build a fresh binary with
1. Build a fresh binary by using:
`gradle clean compileJava`
1. Run the application locally at [localhost:8080][5] with
1. Run the application locally at [http://localhost:8080][5] by using:
`gradle appengineRun`
1. Generate the client library in a zip file named `helloworld-v1-java.zip` with
1. Explore local server's API explorer by browsing to:
`gradle endpointsClientLibs`
[http://localhost:8080/_ah/api/explorer][13]
1. Deploy your application to Google App Engine with
1. Generate the client library located at `build/endpointsClientLibs/helloworld-v1-java.zip`
by using:
`gradle appengineDeploy`
`gradle endpointsClientLibs`
## Known issues
1. Deploy your application to Google App Engine by using:
There's a [bug][13] where `<version>1</version>` is required in the
[appengine-web.xml](src/main/webapp/WEB-INF/appengine-web.xml) to run
this sample locally. This will become optional in the near future.
`gradle appengineDeploy`
[1]: https://cloud.google.com/appengine/docs/java/
[2]: http://java.com/en/
[3]: https://cloud.google.com/appengine/docs/java/endpoints/
[4]: https://cloud.google.com/appengine/docs/java/tools/maven
[5]: https://localhost:8080/
[5]: http://localhost:8080/
[6]: https://console.developers.google.com/project/_/apiui/credential
[7]: https://cloud.google.com/appengine/docs/java/endpoints/migrating
[8]: https://cloud.google.com/endpoints/docs/frameworks/java/about-cloud-endpoints-frameworks
[9]: https://cloud.google.com/endpoints/docs/frameworks/java/quickstart-frameworks-java
[10]: https://github.com/GoogleCloudPlatform/endpoints-framework-maven-plugin
[11]: https://github.com/GoogleCloudPlatform/endpoints-framework-gradle-plugin
[12]: https://cloud.google.com/endpoints/docs/authenticating-users-frameworks
[13]: https://github.com/cloudendpoints/endpoints-java/issues/43
[13]: http://localhost:8080/_ah/api/explorer
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// See the License for the specific language governing permissions and
// limitations under the License.

// [START buildscript]
buildscript { // Configuration for building
repositories {
mavenCentral()
jcenter() // Bintray's repository - a fast Maven Central mirror & more
}
dependencies {
classpath 'com.google.cloud.tools:appengine-gradle-plugin:+' // latest App Engine Gradle tasks
classpath 'com.google.cloud.tools:endpoints-framework-gradle-plugin:+'
// App Engine Gradle plugin
classpath 'com.google.cloud.tools:appengine-gradle-plugin:1.1.1'

// Endpoints Frameworks Gradle plugin
classpath 'com.google.cloud.tools:endpoints-framework-gradle-plugin:1.0.0-beta6'
}
}
// [END buildscript]

repositories { // repositories for Jar's you access in your code
mavenCentral()
Expand All @@ -30,8 +35,14 @@ repositories { // repositories for Jar's you access in your code

apply plugin: 'java' // standard Java tasks
apply plugin: 'war' // standard Web Archive plugin

// [START apply_appengine]
apply plugin: 'com.google.cloud.tools.appengine' // App Engine tasks
// [END apply_appengine]

// [START apply_endpoints-framework-server]
apply plugin: 'com.google.cloud.tools.endpoints-framework-server'
// [END apply_endpoints-framework-server]

dependencies {
providedCompile group: 'javax.servlet', name: 'servlet-api', version:'2.5'
Expand All @@ -43,7 +54,9 @@ dependencies {
// End of Endpoints Frameworks v1.0

// Endpoints Frameworks v2.0
compile "com.google.endpoints:endpoints-framework:+"
// [START endpoints-tools]
compile group: 'com.google.endpoints', name: 'endpoints-framework-tools', version: '2.0.4'
// [END endpoints-tools]
// End of Endpoints Frameworks v2.0
}

Expand All @@ -58,8 +71,14 @@ appengine { // App Engine tasks configuration
}
}

group = "com.example.helloendpoints" // Generated output GroupId
version = "1" // Version in generated output
/* [START endpoints-server]
endpointsServer {
// Endpoints Framework Plugin server-side configuration
}
[END endpoints-server] */

group = 'com.example.helloendpoints' // Generated output GroupId
version = '1' // Version in generated output

sourceCompatibility = 1.7 // App Engine Standard uses Java 7
targetCompatibility = 1.7 // App Engine Standard uses Java 7
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</parent>

<properties>
<!-- Uncomment to use Endpoints Frameworks v1.0 -->
<!--
<appengine.endpoints.version>1.9.48</appengine.endpoints.version>
-->
<!-- End of Endpoints Frameworks v1.0 -->
<appengine.maven.version>1.0.0</appengine.maven.version>
<endpoints.maven.plugin.version>1.0.0-beta2</endpoints.maven.plugin.version>
<endpoints.framework.version>2.0.0-beta.12</endpoints.framework.version>
<javax.inject.version>1</javax.inject.version>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
Expand All @@ -53,18 +45,24 @@ limitations under the License.
<dependencies>
<!-- Compile/runtime dependencies -->
<!-- Uncomment to use Endpoints Frameworks v1.0 -->
<!--<dependency>
<!--
[START appengine-endpoints]
<dependency>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-endpoints</artifactId>
<version>${appengine.endpoints.version}</version>
</dependency>-->
<version>1.9.48</version>
</dependency>
[END appengine-endpoints]
-->
<!-- End of Endpoints Frameworks v1.0 -->
<!-- Endpoints Frameworks v2.0 -->
<!-- [START endpoints-frameworks] -->
<dependency>
<groupId>com.google.endpoints</groupId>
<artifactId>endpoints-framework</artifactId>
<version>${endpoints.framework.version}</version>
<version>2.0.4</version>
</dependency>
<!-- [END endpoints-frameworks] -->
<!-- End of Endpoints Frameworks v2.0 -->
<dependency>
<groupId>javax.servlet</groupId>
Expand All @@ -83,31 +81,26 @@ limitations under the License.
<!-- for hot reload of the web application-->
<outputDirectory>${project.build.directory}/${project.build.finalName}/WEB-INF/classes</outputDirectory>
<plugins>
<!-- [START appengine-plugin] -->
<plugin>
<groupId>com.google.cloud.tools</groupId>
<artifactId>appengine-maven-plugin</artifactId>
<version>${appengine.maven.version}</version>
<version>1.2.1</version>
<configuration>
<!-- deploy configuration -->
</configuration>
</plugin>
<!-- [END appengine-plugin] -->
<!-- [START endpoints-frameworks-plugin] -->
<plugin>
<groupId>com.google.cloud.tools</groupId>
<artifactId>endpoints-framework-maven-plugin</artifactId>
<version>${endpoints.maven.plugin.version}</version>
<version>1.0.0-beta3</version>
<configuration>
<webappDir>src/main/webapp</webappDir>
<discoveryDocDir>${project.build.directory}/generated-sources/appengine-endpoints/WEB-INF</discoveryDocDir>
<!-- plugin configuration -->
</configuration>
<executions>
<execution>
<phase>generate-sources</phase>
<goals>
<goal>discoveryDocs</goal>
</goals>
</execution>
</executions>
</plugin>
<!-- [END endpoints-frameworks-plugin] -->
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>versions-maven-plugin</artifactId>
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public class Constants {
public static final String WEB_CLIENT_ID = "replace this with your web client ID";
public static final String ANDROID_CLIENT_ID = "replace this with your Android client ID";
public static final String IOS_CLIENT_ID = "replace this with your iOS client ID";
public static final String ANDROID_AUDIENCE = WEB_CLIENT_ID;

public static final String EMAIL_SCOPE = "https://www.googleapis.com/auth/userinfo.email";
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@Api(name = "helloworld",
version = "v1",
scopes = {Constants.EMAIL_SCOPE},
clientIds = {Constants.WEB_CLIENT_ID, Constants.ANDROID_CLIENT_ID, Constants.IOS_CLIENT_ID},
clientIds = {Constants.WEB_CLIENT_ID, Constants.ANDROID_CLIENT_ID},
audiences = {Constants.ANDROID_AUDIENCE}
)
public class Greetings {
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Expand Up @@ -16,7 +16,6 @@ See the License for the specific language governing permissions and
limitations under the License.
-->
<threadsafe>true</threadsafe>
<version>1</version>
<system-properties>
<property name="java.util.logging.config.file" value="WEB-INF/logging.properties"/>
</system-properties>
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Expand Up @@ -14,17 +14,12 @@ 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.
-->
<!-- Uncomment to use Endpoints Frameworks v1.0 -->
<!--
[START appengine-endpoints]
<servlet>
<!-- Uncomment to use Endpoints Frameworks v1.0 -->
<!--
<servlet-name>SystemServiceServlet</servlet-name>
<servlet-class>com.google.api.server.spi.SystemServiceServlet</servlet-class>
-->
<!-- End of Endpoints Frameworks v1.0 -->
<!-- Endpoints Frameworks v2.0 -->
<servlet-name>EndpointsServlet</servlet-name>
<servlet-class>com.google.api.server.spi.EndpointsServlet</servlet-class>
<!-- End of Endpoints Frameworks v2.0 -->
<init-param>
<param-name>services</param-name>
<param-value>com.example.helloendpoints.Greetings</param-value>
Expand All @@ -35,17 +30,34 @@ limitations under the License.
</init-param>
</servlet>
<servlet-mapping>
<!-- Uncomment to use Endpoints Frameworks v1.0 -->
<!--
<servlet-name>SystemServiceServlet</servlet-name>
<url-pattern>/_ah/spi/*</url-pattern>
-->
<!-- End of Endpoints Frameworks v1.0 -->
<!-- Endpoints Frameworks v2.0 -->
</servlet-mapping>
[END appengine-endpoints]
-->
<!-- End of Endpoints Frameworks v1.0 -->

<!-- Endpoints Frameworks v2.0 -->
<!-- [START endpoints-frameworks] -->
<servlet>
<servlet-name>EndpointsServlet</servlet-name>
<servlet-class>com.google.api.server.spi.EndpointsServlet</servlet-class>
<init-param>
<param-name>services</param-name>
<param-value>com.example.helloendpoints.Greetings</param-value>
</init-param>
<init-param>
<param-name>restricted</param-name>
<param-value>false</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>EndpointsServlet</servlet-name>
<url-pattern>/_ah/api/*</url-pattern>
<!-- End of Endpoints Frameworks v2.0 -->
</servlet-mapping>
<!-- [END endpoints-frameworks] -->
<!-- End of Endpoints Frameworks v2.0 -->

<welcome-file-list>
<welcome-file>index.html</welcome-file>
</welcome-file-list>
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