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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.odata.component;

import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import org.apache.camel.Component;
import org.apache.camel.Endpoint;
import org.apache.camel.component.olingo4.Olingo4AppEndpointConfiguration;
import org.apache.camel.component.olingo4.Olingo4Component;
import org.apache.camel.util.ObjectHelper;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.nio.client.HttpAsyncClientBuilder;
import io.syndesis.connector.odata.ODataConstants;
import io.syndesis.connector.odata.ODataUtil;
import io.syndesis.connector.support.util.ConnectorOptions;
import io.syndesis.connector.support.util.PropertyBuilder;
import io.syndesis.integration.component.proxy.ComponentDefinition;
import io.syndesis.integration.component.proxy.ComponentProxyComponent;

public final class ODataComponent extends ComponentProxyComponent implements ODataConstants {

    /**
     * These fields are populated using reflection by the HandlerCustomizer class.
     *
     * The values are resolved then the appropriate setter called, while the original
     * key/value pairs are removed from the options map.
     *
     * Note 1:
     * Should a property be secret then its raw value is the property placeholder and
     * the resolving process converts it accordingly hence the importance of doing it
     * this way rather than using the options map directly.
     *
     * Note 2:
     * methodName not included as not required here but required later in the options map.
     */
    private String serviceUri;
    private String basicUserName;
    private String basicPassword;
    private String serverCertificate;
    private String keyPredicate;
    private String queryParams;
    private boolean filterAlreadySeen;
    private String connectorDirection = "from";

    // Consumer properties
    private long delay = -1;
    private long initialDelay = -1;
    private int backoffIdleThreshold = -1;
    private int backoffMultiplier = -1;
    private boolean splitResult;

    ODataComponent(String componentId, String componentScheme) {
        super(componentId, componentScheme);
    }

    public String getServiceUri() {
        return serviceUri;
    }

    public void setServiceUri(String serviceUri) {
        this.serviceUri = ODataUtil.removeEndSlashes(serviceUri);
    }

    public String getBasicUserName() {
        return basicUserName;
    }

    public void setBasicUserName(String basicUserName) {
        this.basicUserName = basicUserName;
    }

    public String getBasicPassword() {
        return basicPassword;
    }

    public void setBasicPassword(String basicPassword) {
        this.basicPassword = basicPassword;
    }

    public String getServerCertificate() {
        return serverCertificate;
    }

    public void setServerCertificate(String serverCertificate) {
        this.serverCertificate = serverCertificate;
    }

    public String getKeyPredicate() {
        return keyPredicate;
    }

    public void setKeyPredicate(String keyPredicate) {
        this.keyPredicate = keyPredicate;
    }

    public String getQueryParams() {
        return queryParams;
    }

    public void setQueryParams(String queryParams) {
        this.queryParams = queryParams;
    }

    @SuppressWarnings("PMD")
    public boolean isFilterAlreadySeen() {
        return filterAlreadySeen ;
    }

    public void setFilterAlreadySeen(boolean filterAlreadySeen) {
        this.filterAlreadySeen = filterAlreadySeen;
    }

    public long getDelay() {
        return delay;
    }

    public void setDelay(long delay) {
        this.delay = delay;
    }

    public long getInitialDelay() {
        return initialDelay;
    }

    public void setInitialDelay(long initialDelay) {
        this.initialDelay = initialDelay;
    }

    public int getBackoffIdleThreshold() {
        return backoffIdleThreshold;
    }

    public void setBackoffIdleThreshold(int backoffIdleThreshold) {
        this.backoffIdleThreshold = backoffIdleThreshold;
    }

    public int getBackoffMultiplier() {
        return backoffMultiplier;
    }

    public void setBackoffMultiplier(int backoffMultiplier) {
        this.backoffMultiplier = backoffMultiplier;
    }

    public boolean isSplitResult() {
        return splitResult;
    }

    public void setSplitResult(boolean splitResult) {
        this.splitResult = splitResult;
    }

    public String getConnectorDirection() {
        return connectorDirection;
    }

    public void setConnectorDirection(String connectorDirection) {
        this.connectorDirection = connectorDirection;
    }

    private Map bundleOptions(Map options) {
        PropertyBuilder