io.syndesis.connector.sheets.GoogleSheetsConnector Maven / Gradle / Ivy

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/*
 * 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.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 io.syndesis.integration.component.proxy.ComponentDefinition;
import io.syndesis.integration.component.proxy.ComponentProxyComponent;
import org.apache.camel.Component;
import org.apache.camel.component.google.sheets.BatchGoogleSheetsClientFactory;
import org.apache.camel.component.google.sheets.GoogleSheetsClientFactory;
import org.apache.camel.component.google.sheets.GoogleSheetsComponent;
import org.apache.camel.component.google.sheets.stream.GoogleSheetsStreamComponent;
import org.apache.camel.util.ObjectHelper;

/**
 * @author Christoph Deppisch
 */
public class GoogleSheetsConnector extends ComponentProxyComponent {

    public static final String BEGIN_CERT = "-----BEGIN CERTIFICATE-----";
    public static final String END_CERT = "-----END CERTIFICATE-----";

    private String rootUrl;
    private String serverCertificate;
    private boolean validateCertificates = true;

    public GoogleSheetsConnector(String componentId, String componentScheme) {
        super(componentId, componentScheme);
    }

    @SuppressWarnings("PMD.SignatureDeclareThrowsException")
    @Override
    protected Optional createDelegateComponent(ComponentDefinition definition, Map options) throws Exception {
        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();
        }

        final GoogleSheetsClientFactory clientFactory = new BatchGoogleSheetsClientFactory(transport.build()) {
            @Override
            protected void configure(Sheets.Builder clientBuilder) {
                clientBuilder.setRootUrl(rootUrl);
            }
        };

        switch (getComponentScheme()) {
            case "google-sheets-stream": {
                GoogleSheetsStreamComponent component = new GoogleSheetsStreamComponent();
                component.setClientFactory(clientFactory);
                return Optional.of(component);
            }
            case "google-sheets": {
                GoogleSheetsComponent component = new GoogleSheetsComponent();
                component.setClientFactory(clientFactory);
                return Optional.of(component);
            }
            default:
                throw new IllegalArgumentException("Invalid component scheme for google sheets connector: " + getComponentScheme());
        }
    }

    public String getRootUrl() {
        return rootUrl;
    }

    /**
     * Specifies the rootUrl.
     *
     * @param rootUrl
     */
    public void setRootUrl(String rootUrl) {
        this.rootUrl = rootUrl;
    }

    public String getServerCertificate() {
        return serverCertificate;
    }

    /**
     * Specifies the serverCertificate.
     *
     * @param serverCertificate
     */
    public void setServerCertificate(String serverCertificate) {
        this.serverCertificate = serverCertificate;
    }

    public boolean isValidateCertificates() {
        return validateCertificates;
    }

    /**
     * Specifies the validateCertificates.
     *
     * @param validateCertificates
     */
    public void setValidateCertificates(boolean validateCertificates) {
        this.validateCertificates = validateCertificates;
    }
}