Instructions for the Prediction V1.5 Command-Line Sample

Browse Online

• Browse Source, or main file PredictionSample.java

Register Your Application

• Visit the Google apis console
• If this is your first time, click "Create project..."
• Otherwise, click on the drop down under the "Google apis" logo at the top left, and click "Create..." under "Other projects"
• Click on "API Access", and then on "Create an OAuth 2.0 Client ID...".
• Enter a product name and click "Next".
• Select "Installed application" and click "Create client ID".
• In the newly created "Client ID for installed applications", click "Download JSON" on the right side. Later on after you check out the sample project, you will copy this downloaded file (e.g. ~/Downloads/client_secrets.json) to src/main/resources/client_secrets.json. If you skip this step, when trying to run the sample you will get a 400 INVALID_CLIENT error in the browser.

You will also need to Activate Google Storage, upload the training data required by the sample to Google Storage. And then edit OBJECT_PATH in PredictionSample.java to point to the training data. Otherwise, you will get a 400 error "Training data file not found".

Checkout Instructions

Prerequisites: install Java 6, Mercurial, and Maven. You may need to set your JAVA_HOME .

cd [someDirectory]
hg clone https://code.google.com/p/google-api-java-client.samples/ google-api-java-client-samples
cd google-api-java-client-samples/prediction-cmdline-sample
cp ~/Downloads/client_secrets.json src/main/resources/client_secrets.json
[editor] src/main/java/com/google/api/services/samples/prediction/cmdline/PredictionSample.java
mvn compile
mvn -q exec:java
  

To enable logging of HTTP requests and responses (highly recommended when developing), please take a look at logging.properties.

Setup Project in Eclipse

Prerequisites: install Eclipse, the Mercurial plugin, and the Maven plugin.

• Setup Eclipse Preferences
  • Window > Preferences... (or on Mac, Eclipse > Preferences...)
  • Select Maven
    • check on "Download Artifact Sources"
    • check on "Download Artifact JavaDoc"
• Import prediction-cmdline-sample project
  • File > Import...
  • Select "General > Existing Project into Workspace" and click "Next"
  • Click "Browse" next to "Select root directory", find [someDirectory]/google-api-java-client-samples/prediction-cmdline-sample and click "Next"
  • Click "Finish"
• Run
  • Right-click on project prediction-cmdline-sample
  • Run As > Java Application
  • If asked, type "PredictionSample" and click OK