exceptionfactory commented on code in PR #8489: URL: https://github.com/apache/nifi/pull/8489#discussion_r1626184974
########## nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/DeleteFile.java: ########## @@ -0,0 +1,174 @@ +/* + * 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 org.apache.nifi.annotation.behavior.DefaultRunDuration; +import org.apache.nifi.annotation.behavior.InputRequirement; +import org.apache.nifi.annotation.behavior.SupportsBatching; +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.Tags; +import org.apache.nifi.annotation.documentation.UseCase; +import org.apache.nifi.components.PropertyDescriptor; +import org.apache.nifi.expression.ExpressionLanguageScope; +import org.apache.nifi.flowfile.FlowFile; +import org.apache.nifi.flowfile.attributes.CoreAttributes; +import org.apache.nifi.processor.AbstractProcessor; +import org.apache.nifi.processor.ProcessContext; +import org.apache.nifi.processor.ProcessSession; +import org.apache.nifi.processor.Relationship; +import org.apache.nifi.processor.exception.ProcessException; +import org.apache.nifi.processor.util.StandardValidators; + +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.NoSuchFileException; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.util.List; +import java.util.Set; +import java.util.concurrent.TimeUnit; + +@SupportsBatching(defaultDuration = DefaultRunDuration.TWENTY_FIVE_MILLIS) +@InputRequirement(InputRequirement.Requirement.INPUT_REQUIRED) +@Tags({"file", "remove", "delete", "local", "files", "filesystem"}) +@CapabilityDescription("Deletes a file from the filesystem.") +@UseCase( + description = "Delete source file only after its processing completed", + configuration = """ + Retrieve a file from the filesystem, e.g. using 'ListFile' and 'FetchFile'. + Process the file using any combination of processors. + Store the resulting file to a destination, e.g. using 'PutSFTP'. + Using 'DeleteFile', delete the file from the filesystem only after the result has been stored. + """ +) +@WritesAttributes({ + @WritesAttribute( + attribute = DeleteFile.ATTRIBUTE_FAILURE_REASON, + description = "Human-readable reason of failure. Only available if FlowFile is routed to relationship 'failure'."), + @WritesAttribute( + attribute = DeleteFile.ATTRIBUTE_EXCEPTION_CLASS, + description = "The class name of the exception thrown during processor execution. Only available if an exception caused the FlowFile to be routed to relationship 'failure'."), + @WritesAttribute( + attribute = DeleteFile.ATTRIBUTE_EXCEPTION_MESSAGE, + description = "The message of the exception thrown during processor execution. Only available if an exception caused the FlowFile to be routed to relationship 'failure'.") +}) +public class DeleteFile extends AbstractProcessor { Review Comment: This Processor needs the `@Restricted` annotation and should require the `READ_FILESYSTEM` and `WRITE_FILESYSTEM` permissions. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
