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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.nifi.processors.standard;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.apache.nifi.annotation.behavior.InputRequirement;
import org.apache.nifi.annotation.behavior.InputRequirement.Requirement;
import org.apache.nifi.annotation.behavior.WritesAttribute;
import org.apache.nifi.annotation.behavior.WritesAttributes;
import org.apache.nifi.annotation.documentation.CapabilityDescription;
import org.apache.nifi.annotation.documentation.SeeAlso;
import org.apache.nifi.annotation.documentation.Tags;
import org.apache.nifi.components.PropertyDescriptor;
import org.apache.nifi.components.ValidationContext;
import org.apache.nifi.components.ValidationResult;
import org.apache.nifi.processor.ProcessContext;
import org.apache.nifi.processor.ProcessorInitializationContext;
import org.apache.nifi.processors.standard.util.FTPTransfer;
import org.apache.nifi.processors.standard.util.FileTransfer;
@InputRequirement(Requirement.INPUT_FORBIDDEN)
@Tags({"FTP", "get", "retrieve", "files", "fetch", "remote", "ingest", "source", "input"})
@CapabilityDescription("Fetches files from an FTP Server and creates FlowFiles from them")
@WritesAttributes({
@WritesAttribute(attribute = "filename", description = "The filename is set to the name of the file on the remote server"),
@WritesAttribute(attribute = "path", description = "The path is set to the path of the file's directory on the remote server. "
+ "For example, if the property is set to /tmp, files picked up from /tmp will have the path attribute set "
+ "to /tmp. If the property is set to true and a file is picked up from /tmp/abc/1/2/3, then the path "
+ "attribute will be set to /tmp/abc/1/2/3"),
@WritesAttribute(attribute = "file.lastModifiedTime", description = "The date and time that the source file was last modified"),
@WritesAttribute(attribute = "file.lastAccessTime", description = "The date and time that the file was last accessed. May not work on "
+ "all file systems"),
@WritesAttribute(attribute = "file.owner", description = "The numeric owner id of the source file"),
@WritesAttribute(attribute = "file.group", description = "The numeric group id of the source file"),
@WritesAttribute(attribute = "file.permissions", description = "The read/write/execute permissions of the source file"),
@WritesAttribute(attribute = "absolute.path", description = "The full/absolute path from where a file was picked up. The current 'path' "
+ "attribute is still populated, but may be a relative path")})
@SeeAlso(PutFTP.class)
public class GetFTP extends GetFileTransfer {
private List properties;
@Override
protected void init(final ProcessorInitializationContext context) {
final List properties = new ArrayList<>();
properties.add(FTPTransfer.HOSTNAME);
properties.add(FTPTransfer.PORT);
properties.add(FTPTransfer.USERNAME);
properties.add(FTPTransfer.PASSWORD);
properties.add(FTPTransfer.CONNECTION_MODE);
properties.add(FTPTransfer.TRANSFER_MODE);
properties.add(FTPTransfer.REMOTE_PATH);
properties.add(FTPTransfer.FILE_FILTER_REGEX);
properties.add(FTPTransfer.PATH_FILTER_REGEX);
properties.add(FTPTransfer.POLLING_INTERVAL);
properties.add(FTPTransfer.RECURSIVE_SEARCH);
properties.add(FTPTransfer.FOLLOW_SYMLINK);
properties.add(FTPTransfer.IGNORE_DOTTED_FILES);
properties.add(FTPTransfer.DELETE_ORIGINAL);
properties.add(FTPTransfer.CONNECTION_TIMEOUT);
properties.add(FTPTransfer.DATA_TIMEOUT);
properties.add(FTPTransfer.MAX_SELECTS);
properties.add(FTPTransfer.REMOTE_POLL_BATCH_SIZE);
properties.add(FTPTransfer.USE_NATURAL_ORDERING);
properties.add(FTPTransfer.PROXY_CONFIGURATION_SERVICE);
properties.add(FTPTransfer.PROXY_TYPE);
properties.add(FTPTransfer.PROXY_HOST);
properties.add(FTPTransfer.PROXY_PORT);
properties.add(FTPTransfer.HTTP_PROXY_USERNAME);
properties.add(FTPTransfer.HTTP_PROXY_PASSWORD);
properties.add(FTPTransfer.BUFFER_SIZE);
properties.add(FTPTransfer.UTF8_ENCODING);
this.properties = Collections.unmodifiableList(properties);
}
@Override
protected List getSupportedPropertyDescriptors() {
return properties;
}
@Override
protected FileTransfer getFileTransfer(final ProcessContext context) {
return new FTPTransfer(context, getLogger());
}
@Override
protected Collection customValidate(ValidationContext validationContext) {
final List results = new ArrayList<>();
FTPTransfer.validateProxySpec(validationContext, results);
return results;
}
}
