/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.camel.component.linkedin;
import java.io.IOException;
import java.security.GeneralSecurityException;
import javax.net.ssl.SSLContext;
import org.apache.camel.CamelContext;
import org.apache.camel.Endpoint;
import org.apache.camel.component.linkedin.api.LinkedInOAuthRequestFilter;
import org.apache.camel.component.linkedin.api.OAuthParams;
import org.apache.camel.component.linkedin.internal.CachingOAuthSecureStorage;
import org.apache.camel.component.linkedin.internal.LinkedInApiCollection;
import org.apache.camel.component.linkedin.internal.LinkedInApiName;
import org.apache.camel.spi.UriEndpoint;
import org.apache.camel.util.ObjectHelper;
import org.apache.camel.util.component.AbstractApiComponent;
import org.apache.camel.util.jsse.SSLContextParameters;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Represents the component that manages {@link LinkedInEndpoint}.
*/
@UriEndpoint(scheme = "linkedin", consumerClass = LinkedInConsumer.class, consumerPrefix = "consumer")
public class LinkedInComponent extends AbstractApiComponent<LinkedInApiName, LinkedInConfiguration, LinkedInApiCollection> {
private static final Logger LOG = LoggerFactory.getLogger(LinkedInComponent.class);
private LinkedInOAuthRequestFilter requestFilter;
public LinkedInComponent() {
super(LinkedInEndpoint.class, LinkedInApiName.class, LinkedInApiCollection.getCollection());
}
public LinkedInComponent(CamelContext context) {
super(context, LinkedInEndpoint.class, LinkedInApiName.class, LinkedInApiCollection.getCollection());
}
@Override
protected LinkedInApiName getApiName(String apiNameStr) throws IllegalArgumentException {
return LinkedInApiName.fromValue(apiNameStr);
}
@Override
protected Endpoint createEndpoint(String uri, String methodName, LinkedInApiName apiName,
LinkedInConfiguration endpointConfiguration) {
return new LinkedInEndpoint(uri, this, apiName, methodName, endpointConfiguration);
}
public synchronized LinkedInOAuthRequestFilter getRequestFilter(LinkedInConfiguration endpointConfiguration) {
if (endpointConfiguration.equals(configuration)) {
if (requestFilter == null) {
requestFilter = createRequestFilter(this.configuration);
}
return requestFilter;
} else {
return createRequestFilter(endpointConfiguration);
}
}
private static LinkedInOAuthRequestFilter createRequestFilter(LinkedInConfiguration configuration) {
// validate configuration
configuration.validate();
final String[] enabledProtocols;
try {
// use default SSP to create supported non-SSL protocols list
final SSLContext sslContext = new SSLContextParameters().createSSLContext();
enabledProtocols = sslContext.createSSLEngine().getEnabledProtocols();
} catch (GeneralSecurityException e) {
throw ObjectHelper.wrapRuntimeCamelException(e);
} catch (IOException e) {
throw ObjectHelper.wrapRuntimeCamelException(e);
}
return new LinkedInOAuthRequestFilter(getOAuthParams(configuration),
configuration.getHttpParams(), configuration.isLazyAuth(), enabledProtocols);
}
private static OAuthParams getOAuthParams(LinkedInConfiguration configuration) {
return new OAuthParams(configuration.getUserName(), configuration.getUserPassword(),
new CachingOAuthSecureStorage(configuration.getSecureStorage()), configuration.getClientId(), configuration.getClientSecret(),
configuration.getRedirectUri(), configuration.getScopes());
}
@Override
protected void doStop() throws Exception {
if (requestFilter != null) {
closeLogException(requestFilter);
}
}
protected void closeRequestFilter(LinkedInOAuthRequestFilter requestFilter) {
// only close if not a shared filter
if (this.requestFilter != requestFilter) {
closeLogException(requestFilter);
}
}
private void closeLogException(LinkedInOAuthRequestFilter requestFilter) {
try {
requestFilter.close();
} catch (Exception e) {
LOG.warn("Error closing OAuth2 request filter: " + e.getMessage(), e);
}
}
}