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initial commit Google App engine sample
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‎.gitignore

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.classpath
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.project
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*.iml
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*.iml
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appengine-web.xml

‎samples/photo_album_gae/META-INF/persistence.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<persistence xmlns="http://java.sun.com/xml/ns/persistence" version="2.0">
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</persistence>

‎samples/photo_album_gae/README.md

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Cloudinary Java/Spring MVC Sample Project on Google AppEngine
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=============================================================
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A simple web application that allows you to uploads photos, maintain a database with references to them, list them with their metadata, and display them using various cloud-based transformations.
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## Installation
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Run the following commands from your shell.
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Clone the Cloudinary Java project:
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git clone git://github.com/cloudinary/cloudinary_java.git
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This sample relies on a version of the Cloudinary client not yet published so we need to install it locally:
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cd cloudinary_java
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mvn install
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Go to the sample project folder:
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cd samples/photo_album_gae
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## Configuration
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Next you need to pass your Cloudinary account's Cloud Name, API Key, and API Secret. This sample application assumes these values exists in the form
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of a `CLOUDINARY_URL`. The `CLOUDINARY_URL` value is available in the [dashboard of your Cloudinary account](https://cloudinary.com/console).
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If you don't have a Cloudinary account yet, [click here](https://cloudinary.com/users/register/free) to create one for free.
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cp src/main/webapp/WEB-INF/appengine-web.xml.sample src/main/webapp/WEB-INF/appengine-web.xml
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Edit the new `appengine-web.xml` file and set `CLOUDINARY_URL` to the value matching your account.
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*Note*: you can also change the application ID to match a remote project ID you might have started.
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## Running
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Running the application locally first clean and compile to make sure everything is working as it should:
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mvn clean compile
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Then start the application:
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mvn appengine:devserver_start
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and point your browser to [http://localhost:8080/](http://localhost:8080/).
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This sample configures the Cloudinary client with `GAEConnectionManager` from [here](http://esxx.blogspot.co.il/2009/06/using-apaches-httpclient-on-google-app.html).
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You can use any other connection manager or leave the default if you have the sockets enabled for your application. In the development environment it should work with either.
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Also, the way the `GAEConnectionManager` is instantiated and managed in this sample is not pretty. You should change it when building a real application.

‎samples/photo_album_gae/nbactions.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<actions>
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<action>
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<actionName>CUSTOM-appengine:devserver</actionName>
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<displayName>appengine:devserver</displayName>
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<goals>
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<goal>appengine:devserver</goal>
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</goals>
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</action>
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<action>
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<actionName>CUSTOM-appengine:update</actionName>
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<displayName>appengine:update</displayName>
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<goals>
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<goal>appengine:update</goal>
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</goals>
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</action>
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<action>
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<actionName>CUSTOM-appengine:rollback</actionName>
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<displayName>appengine:rollback</displayName>
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<goals>
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<goal>appengine:rollback</goal>
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</goals>
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</action>
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<action>
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<actionName>CUSTOM-appengine:update_cron</actionName>
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<displayName>appengine:update_cron</displayName>
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<goals>
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<goal>appengine:update_cron</goal>
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</goals>
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</action>
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<action>
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<actionName>CUSTOM-appengine:update_dos</actionName>
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<displayName>appengine:update_dos</displayName>
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<goals>
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<goal>appengine:update_dos</goal>
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</goals>
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</action>
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<action>
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<actionName>CUSTOM-appengine:update_indexes</actionName>
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<displayName>appengine:update_indexes</displayName>
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<goals>
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<goal>appengine:update_indexes</goal>
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</goals>
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</action>
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<action>
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<actionName>CUSTOM-appengine:update_queues</actionName>
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<displayName>appengine:update_queues</displayName>
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<goals>
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<goal>appengine:update_queues</goal>
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</goals>
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</action>
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</actions>

‎samples/photo_album_gae/pom.xml

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.cloudinary</groupId>
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<artifactId>photo_album_gae</artifactId>
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<packaging>war</packaging>
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<version>1.0-SNAPSHOT</version>
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<name>photo_album_gae</name>
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<properties>
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<spring.version>3.2.0.RELEASE</spring.version>
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<appengine.app.version>1</appengine.app.version>
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<appengine.target.version>1.8.9</appengine.target.version>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<repositories>
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<repository>
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<id>JBoss Repository</id>
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<url>https://repository.jboss.org/nexus/content/repositories/releases</url>
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<name>JBoss Repository</name>
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</repository>
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<repository>
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<id>gmultipart</id>
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<url>http://gmultipart.googlecode.com/svn/repo/m2</url>
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</repository>
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</repositories>
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<pluginRepositories>
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<pluginRepository>
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<id>google-staging</id>
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<name>Google Staging</name>
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<url>https://oss.sonatype.org/content/repositories/comgoogleappengine-1004/</url>
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</pluginRepository>
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</pluginRepositories>
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<dependencies>
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<dependency>
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<groupId>com.cloudinary</groupId>
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<artifactId>cloudinary-taglib</artifactId>
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<version>1.0.13-SNAPSHOT</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-core</artifactId>
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<version>${spring.version}</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-web</artifactId>
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<version>${spring.version}</version>
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</dependency>
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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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<version>2.5</version>
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</dependency>
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<dependency>
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<groupId>javax.servlet.jsp</groupId>
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<artifactId>jsp-api</artifactId>
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<version>2.1</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-webmvc</artifactId>
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<version>${spring.version}</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-test</artifactId>
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<version>${spring.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>4.10</version>
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<scope>test</scope>
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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.springframework.data</groupId>
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<artifactId>spring-data-jpa</artifactId>
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<version>1.2.0.RELEASE</version>
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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-1.0-sdk</artifactId>
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<version>${appengine.target.version}</version>
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</dependency>
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<dependency>
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<groupId>commons-fileupload</groupId>
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<artifactId>commons-fileupload</artifactId>
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<version>1.3</version>
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</dependency>
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<dependency>
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<groupId>javax.validation</groupId>
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<artifactId>validation-api</artifactId>
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<version>1.1.0.Final</version>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-all</artifactId>
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<version>1.9.0</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.google.appengine</groupId>
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<artifactId>appengine-testing</artifactId>
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<version>${appengine.target.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.target.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.hibernate</groupId>
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<artifactId>hibernate-validator-annotation-processor</artifactId>
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<version>4.1.0.Final</version>
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</dependency>
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<dependency>
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<groupId>gmultipart</groupId>
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<artifactId>gmultipart</artifactId>
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<version>0.4</version>
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</dependency>
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</dependencies>
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<build>
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<finalName>photo_album</finalName>
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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>2.5.1</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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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-war-plugin</artifactId>
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<version>2.3</version>
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<configuration>
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<archiveClasses>true</archiveClasses>
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<webResources>
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<!-- in order to interpolate version from pom into appengine-web.xml -->
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<resource>
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<directory>${basedir}/src/main/webapp/WEB-INF</directory>
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<filtering>true</filtering>
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<targetPath>WEB-INF</targetPath>
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</resource>
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</webResources>
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</configuration>
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</plugin>
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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.target.version}</version>
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</plugin>
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</plugins>
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</build>
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</project>

‎samples/photo_album_gae/src/main/java/cloudinary/controllers/PhotoController.java

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package cloudinary.controllers;
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import cloudinary.lib.PhotoUploadValidator;
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import cloudinary.models.PhotoUpload;
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import com.cloudinary.Cloudinary;
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import com.cloudinary.Singleton;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.ModelMap;
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import org.springframework.validation.BindingResult;
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import org.springframework.web.bind.annotation.*;
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import com.google.appengine.api.datastore.DatastoreService;
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import com.google.appengine.api.datastore.DatastoreServiceFactory;
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import com.google.appengine.api.datastore.Entity;
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import com.google.appengine.api.datastore.Key;
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import com.google.appengine.api.datastore.KeyFactory;
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import com.google.appengine.api.datastore.Query;
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import com.google.appengine.api.datastore.FetchOptions;
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import java.io.IOException;
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import java.util.Map;
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import java.util.List;
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import org.esxx.js.protocol.GAEConnectionManager;
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@Controller
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@RequestMapping("/")
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public class PhotoController {
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private final static GAEConnectionManager connectoinManager = new GAEConnectionManager();
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@RequestMapping(value = "/", method = RequestMethod.GET)
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public String listPhotos(ModelMap model) {
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DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
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Key photoKey = KeyFactory.createKey("photos", "album");
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List<Entity> photoEntities = datastore.prepare(new Query("photo", photoKey)).asList(FetchOptions.Builder.withDefaults());
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List<PhotoUpload> photos = new java.util.ArrayList<PhotoUpload>();
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for(int i = 0, n = photoEntities.size(); i < n; i++) {
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photos.add(new PhotoUpload(photoEntities.get(i)));
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}
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model.addAttribute("photos", photos);
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return "photos";
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}
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@RequestMapping(value = "/upload", method = RequestMethod.POST)
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public String uploadPhoto(@ModelAttribute PhotoUpload photoUpload, BindingResult result, ModelMap model) throws IOException {
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PhotoUploadValidator validator = new PhotoUploadValidator();
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validator.validate(photoUpload, result);
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Map uploadResult = null;
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if (photoUpload.getFile() != null && !photoUpload.getFile().isEmpty()) {
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uploadResult = Singleton.getCloudinary().uploader().withConnectionManager(connectoinManager).upload(photoUpload.getFile().getBytes(),
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Cloudinary.asMap("resource_type", "auto"));
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photoUpload.setPublicId((String) uploadResult.get("public_id"));
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photoUpload.setVersion((Long) uploadResult.get("version"));
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photoUpload.setSignature((String) uploadResult.get("signature"));
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photoUpload.setFormat((String) uploadResult.get("format"));
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photoUpload.setResourceType((String) uploadResult.get("resource_type"));
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}
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if (result.hasErrors()){
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model.addAttribute("photoUpload", photoUpload);
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return "upload_form";
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} else {
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Key photoKey = KeyFactory.createKey("photos", "album");
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Entity photo = new Entity("photo", photoKey);
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photoUpload.toEntity(photo);
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model.addAttribute("upload", uploadResult);
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DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
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datastore.put(photo);
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model.addAttribute("photo", photoUpload);
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return "upload";
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}
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}
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@RequestMapping(value = "/upload_form", method = RequestMethod.GET)
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public String uploadPhotoForm(ModelMap model) {
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model.addAttribute("photo", new PhotoUpload());
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return "upload_form";
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}
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@RequestMapping(value = "/direct_upload_form", method = RequestMethod.GET)
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public String directUploadPhotoForm(ModelMap model) {
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model.addAttribute("photo", new PhotoUpload());
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return "direct_upload_form";
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}
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}

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