io.syndesis.connector.sheets.GoogleSheetsConnectorHelper Maven / Gradle / Ivy
/*
* Copyright (C) 2016 Red Hat, 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 io.syndesis.connector.sheets;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.util.Base64;
import java.util.Map;
import java.util.Optional;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.services.sheets.v4.Sheets;
import org.apache.camel.component.google.sheets.BatchGoogleSheetsClientFactory;
import org.apache.camel.component.google.sheets.GoogleSheetsClientFactory;
import org.apache.camel.util.ObjectHelper;
/**
* @author Christoph Deppisch
*/
public final class GoogleSheetsConnectorHelper {
public static final String BEGIN_CERT = "-----BEGIN CERTIFICATE-----";
public static final String END_CERT = "-----END CERTIFICATE-----";
/**
* Prevent instantiation of utility class.
*/
private GoogleSheetsConnectorHelper() {
super();
}
/**
* Create Google sheets client factory with given root URL and server certificate.
* @param rootUrl
* @param serverCertificate
* @param validateCertificates
* @return
* @throws GeneralSecurityException
* @throws IOException
*/
public static GoogleSheetsClientFactory createClientFactory(String rootUrl, String serverCertificate, boolean validateCertificates) throws GeneralSecurityException, IOException {
NetHttpTransport.Builder transport = new NetHttpTransport.Builder();
if (validateCertificates && ObjectHelper.isNotEmpty(serverCertificate)) {
byte [] decoded = Base64.getDecoder().decode(serverCertificate.replaceAll(BEGIN_CERT, "")
.replaceAll(END_CERT, ""));
transport.trustCertificatesFromStream(new ByteArrayInputStream(decoded));
} else {
transport.doNotValidateCertificate();
}
return new BatchGoogleSheetsClientFactory(transport.build()) {
@Override
protected void configure(Sheets.Builder clientBuilder) {
clientBuilder.setRootUrl(rootUrl);
}
};
}
/**
* Create client from given client factory using properties or default values.
* @param clientFactory
* @param properties
* @return
*/
public static Sheets makeClient(GoogleSheetsClientFactory clientFactory, Map properties) {
final String clientId = Optional.ofNullable(properties.get("clientId"))
.map(Object::toString)
.orElse(null);
final String clientSecret = Optional.ofNullable(properties.get("clientSecret"))
.map(Object::toString)
.orElse(null);
final String applicationName = Optional.ofNullable(properties.get("applicationName"))
.map(Object::toString)
.orElse(null);
return clientFactory.makeClient(clientId, clientSecret, applicationName,
properties.getOrDefault("refreshToken", "").toString(),
properties.getOrDefault("accessToken", "").toString());
}
}