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FtpComponent.java
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FtpComponent.java
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/*
* 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.file.remote;
import java.net.URI;
import java.util.Map;
import org.apache.camel.CamelContext;
import org.apache.camel.Endpoint;
import org.apache.camel.component.file.GenericFileEndpoint;
import org.apache.camel.spi.annotations.Component;
import org.apache.camel.support.EndpointHelper;
import org.apache.camel.support.component.PropertyConfigurerSupport;
import org.apache.camel.util.PropertiesHelper;
import org.apache.camel.util.StringHelper;
import org.apache.commons.net.ftp.FTPFile;
/**
* FTP Component
*/
@Component("ftp")
public class FtpComponent extends RemoteFileComponent<FTPFile> {
public FtpComponent() {
}
public FtpComponent(CamelContext context) {
super(context);
}
@Override
protected GenericFileEndpoint<FTPFile> buildFileEndpoint(String uri, String remaining, Map<String, Object> parameters)
throws Exception {
String baseUri = getBaseUri(uri);
// lets make sure we create a new configuration as each endpoint can
// customize its own version
// must pass on baseUri to the configuration (see above)
FtpConfiguration config = new FtpConfiguration(new URI(baseUri));
FtpUtils.ensureRelativeFtpDirectory(this, config);
FtpEndpoint<FTPFile> answer = new FtpEndpoint<>(uri, this, config);
extractAndSetFtpClientConfigParameters(parameters, answer);
extractAndSetFtpClientParameters(parameters, answer);
return answer;
}
/**
* Get the base uri part before the options as they can be non URI valid such as the expression using $ chars and
* the URI constructor will regard $ as an illegal character and we don't want to enforce end users to to escape the
* $ for the expression (file language)
*/
protected String getBaseUri(String uri) {
return StringHelper.before(uri, "?", uri);
}
/**
* Extract additional ftp client configuration options from the parameters map (parameters starting with
* 'ftpClientConfig.'). To remember these parameters, we set them in the endpoint and we can use them when creating
* a client.
*/
protected void extractAndSetFtpClientConfigParameters(Map<String, Object> parameters, FtpEndpoint<FTPFile> answer) {
if (PropertiesHelper.hasProperties(parameters, "ftpClientConfig.")) {
Map<String, Object> param = PropertiesHelper.extractProperties(parameters, "ftpClientConfig.");
answer.setFtpClientConfigParameters(param);
}
}
/**
* Extract additional ftp client options from the parameters map (parameters starting with 'ftpClient.'). To
* remember these parameters, we set them in the endpoint and we can use them when creating a client.
*/
protected void extractAndSetFtpClientParameters(Map<String, Object> parameters, FtpEndpoint<FTPFile> answer) {
if (PropertiesHelper.hasProperties(parameters, "ftpClient.")) {
Map<String, Object> param = PropertiesHelper.extractProperties(parameters, "ftpClient.");
answer.setFtpClientParameters(param);
}
}
@Override
protected void setProperties(Endpoint endpoint, Map<String, Object> parameters) throws Exception {
Object siteCommand = parameters.remove("siteCommand");
if (siteCommand != null) {
String cmd = PropertyConfigurerSupport.property(getCamelContext(), String.class, siteCommand);
if (EndpointHelper.isReferenceParameter(cmd)) {
cmd = EndpointHelper.resolveReferenceParameter(getCamelContext(), cmd, String.class);
}
((FtpEndpoint) endpoint).getConfiguration().setSiteCommand(cmd);
}
super.setProperties(endpoint, parameters);
}
@Override
protected void afterPropertiesSet(GenericFileEndpoint<FTPFile> endpoint) throws Exception {
// noop
}
}