| /** |
| * 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.hdfs; |
| |
| import java.net.URL; |
| import java.util.Map; |
| import javax.security.auth.login.Configuration; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.impl.UriEndpointComponent; |
| import org.apache.hadoop.fs.FsUrlStreamHandlerFactory; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class HdfsComponent extends UriEndpointComponent { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(HdfsComponent.class); |
| |
| public HdfsComponent() { |
| super(HdfsEndpoint.class); |
| initHdfs(); |
| } |
| |
| public HdfsComponent(CamelContext context) { |
| super(context, HdfsEndpoint.class); |
| initHdfs(); |
| } |
| |
| protected final Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception { |
| HdfsEndpoint hdfsEndpoint = new HdfsEndpoint(uri, this.getCamelContext()); |
| setProperties(hdfsEndpoint.getConfig(), parameters); |
| return hdfsEndpoint; |
| } |
| |
| protected void initHdfs() { |
| try { |
| URL.setURLStreamHandlerFactory(new FsUrlStreamHandlerFactory()); |
| } catch (Throwable e) { |
| // ignore as its most likely already set |
| LOG.debug("Cannot set URLStreamHandlerFactory due " + e.getMessage() + ". This exception will be ignored.", e); |
| } |
| } |
| |
| static Configuration getJAASConfiguration() { |
| Configuration auth = null; |
| try { |
| auth = Configuration.getConfiguration(); |
| LOG.trace("Existing JAAS Configuration {}", auth); |
| } catch (SecurityException e) { |
| LOG.trace("Cannot load existing JAAS configuration", e); |
| } |
| return auth; |
| } |
| |
| static void setJAASConfiguration(Configuration auth) { |
| if (auth != null) { |
| LOG.trace("Restoring existing JAAS Configuration {}", auth); |
| try { |
| Configuration.setConfiguration(auth); |
| } catch (SecurityException e) { |
| LOG.trace("Cannot restore JAAS Configuration. This exception is ignored.", e); |
| } |
| } else { |
| LOG.trace("No JAAS Configuration to restore"); |
| } |
| } |
| |
| } |