de.vproductions.pdi.plugin.step.googleanalyticsmanagementapi.GoogleAnalyticsManagementApiFramework.java Source code

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Here is the source code for de.vproductions.pdi.plugin.step.googleanalyticsmanagementapi.GoogleAnalyticsManagementApiFramework.java

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/* Copyright (c) 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* 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.
*/

package de.vproductions.pdi.plugin.step.googleanalyticsmanagementapi;

import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
import com.google.api.services.analytics.Analytics;
import com.google.api.services.analytics.AnalyticsScopes;
import com.google.api.client.auth.oauth2.Credential;
import com.google.api.client.googleapis.auth.oauth2.GoogleCredential;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.jackson2.JacksonFactory;
import org.pentaho.di.core.util.Assert;

import java.io.File;
import java.io.IOException;
import java.security.GeneralSecurityException;
import org.pentaho.di.core.exception.KettleFileException;
import org.pentaho.di.core.vfs.KettleVFS;

public class GoogleAnalyticsManagementApiFramework {

    private Analytics analytics;
    private final HttpTransport httpTransport;

    public static GoogleAnalyticsManagementApiFramework createFor(String application, String oauthServiceAccount,
            String oauthKeyFile)

            throws GeneralSecurityException, IOException, KettleFileException {

        return new GoogleAnalyticsManagementApiFramework(GoogleNetHttpTransport.newTrustedTransport(),
                JacksonFactory.getDefaultInstance(), application, oauthServiceAccount,
                new File(KettleVFS.getFileObject(oauthKeyFile).getURL().getPath()));
    }

    public GoogleAnalyticsManagementApiFramework(HttpTransport httpTransport, JsonFactory jsonFactory,
            String application, String oathServiceEmail, File keyFile)
            throws IOException, GeneralSecurityException {

        Assert.assertNotNull(httpTransport, "HttpTransport cannot be null");
        Assert.assertNotNull(jsonFactory, "JsonFactory cannot be null");
        Assert.assertNotBlank(application, "Application name cannot be empty");
        Assert.assertNotBlank(oathServiceEmail, "OAuth Service Email name cannot be empty");
        Assert.assertNotNull(keyFile, "OAuth secret key file cannot be null");

        this.httpTransport = httpTransport;

        Credential credential = new GoogleCredential.Builder().setTransport(httpTransport)
                .setJsonFactory(jsonFactory).setServiceAccountScopes(AnalyticsScopes.all())
                .setServiceAccountId(oathServiceEmail).setServiceAccountPrivateKeyFromP12File(keyFile).build();

        analytics = new Analytics.Builder(httpTransport, jsonFactory, credential).setApplicationName(application)
                .build();
    }

    public void close() throws IOException {
        httpTransport.shutdown();
    }

    public Analytics getAnalytics() {
        return analytics;
    }

}