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Merge pull request #158 from GoogleCloudPlatform/urlfetch
Add URLFetch sample
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‎appengine/urlfetch/.gitignore

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# Eclipse files
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.project
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.classpath
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.settings
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# Intellij
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.idea/
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*.iml
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# Target folders
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target/

‎appengine/urlfetch/README.md

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# Google App Engine Standard Environment URL Fetch Sample
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This sample demonstrates how to deploy an application on Google App Engine.
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See the [Google App Engine standard environment documentation][ae-docs] for more
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detailed instructions.
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[ae-docs]: https://cloud.google.com/appengine/docs/java/
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## Setup
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1. Update the `<application>` tag in `src/main/webapp/WEB-INF/appengine-web.xml`
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with your project name.
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1. Update the `<version>` tag in `src/main/webapp/WEB-INF/appengine-web.xml`
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with your version name.
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## Running locally
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$ mvn appengine:devserver
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## Deploying
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$ mvn appengine:update

‎appengine/urlfetch/pom.xml

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<!--
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Copyright 2015 Google Inc. All Rights Reserved.
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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-URLFetch</artifactId>
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<parent>
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<groupId>com.google.cloud</groupId>
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<artifactId>doc-samples</artifactId>
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<version>1.0.0</version>
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<relativePath>../..</relativePath>
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</parent>
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<dependencies>
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>servlet-api</artifactId>
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<type>jar</type>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.json</groupId>
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<artifactId>json</artifactId>
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<version>20160212</version>
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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>org.apache.maven.plugins</groupId>
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<version>3.3</version>
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<artifactId>maven-compiler-plugin</artifactId>
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<configuration>
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<source>1.7</source>
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<target>1.7</target>
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</configuration>
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</plugin>
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<!-- Parent POM defines ${appengine.sdk.version} (updates frequently). -->
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<plugin>
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<groupId>com.google.appengine</groupId>
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<artifactId>appengine-maven-plugin</artifactId>
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<version>${appengine.sdk.version}</version>
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</plugin>
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</plugins>
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</build>
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</project>

‎appengine/urlfetch/src/main/java/com/example/appengine/UrlFetchServlet.java

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/**
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* Copyright 2015 Google Inc. All Rights Reserved.
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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;
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import org.json.JSONObject;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.PrintWriter;
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import java.net.URL;
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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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@SuppressWarnings("serial")
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public class UrlFetchServlet extends HttpServlet {
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@Override
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public void doGet(HttpServletRequest req, HttpServletResponse resp)
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throws IOException {
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PrintWriter out = resp.getWriter();
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out.println("<html><body>");
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// [START example]
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URL url = new URL("http://api.icndb.com/jokes/random");
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BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream()));
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String json = "";
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String line;
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while ((line = reader.readLine()) != null) {
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json += line;
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}
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reader.close();
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// [END example]
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JSONObject jo = new JSONObject(json);
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out.println("<h2>"
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+ jo.getJSONObject("value").getString("joke")
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+ "</h2>");
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out.println("</body></html>");
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}
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}

‎appengine/urlfetch/src/main/webapp/WEB-INF/appengine-web.xml

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<?xml version="1.0" encoding="utf-8"?>
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<appengine-web-app xmlns="http://appengine.google.com/ns/1.0">
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<application>YOUR-PROJECT-ID</application>
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<version>YOUR-VERSION-ID</version>
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<threadsafe>true</threadsafe>
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</appengine-web-app>

‎appengine/urlfetch/src/main/webapp/WEB-INF/web.xml

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<?xml version="1.0" encoding="utf-8"?>
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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>hello</servlet-name>
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<servlet-class>com.example.appengine.UrlFetchServlet</servlet-class>
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</servlet>
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<servlet-mapping>
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<servlet-name>hello</servlet-name>
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<url-pattern>/</url-pattern>
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</servlet-mapping>
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</web-app>

‎pom.xml

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<module>appengine/sendgrid</module>
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<module>appengine/static-files</module>
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<module>appengine/twilio</module>
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<module>appengine/urlfetch</module>
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<module>bigquery</module>
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<module>datastore</module>
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<module>logging</module>

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