| /** |
| * 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; |
| |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| |
| import org.apache.camel.Component; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.FailedToCreateConsumerException; |
| import org.apache.camel.Processor; |
| import org.apache.camel.impl.DefaultExchange; |
| import org.apache.camel.processor.idempotent.MemoryIdempotentRepository; |
| import org.apache.camel.util.FileUtil; |
| import org.apache.camel.util.ObjectHelper; |
| |
| /** |
| * File endpoint. |
| */ |
| public class FileEndpoint extends GenericFileEndpoint<File> { |
| |
| private FileOperations operations = new FileOperations(this); |
| private File file; |
| |
| public FileEndpoint() { |
| // use marker file as default exclusive read locks |
| this.readLock = "markerFile"; |
| } |
| |
| public FileEndpoint(String endpointUri, Component component) { |
| super(endpointUri, component); |
| // use marker file as default exclusive read locks |
| this.readLock = "markerFile"; |
| } |
| |
| public FileConsumer createConsumer(Processor processor) throws Exception { |
| ObjectHelper.notNull(operations, "operations"); |
| ObjectHelper.notNull(file, "file"); |
| |
| // we assume its a file if the name has a dot in it (eg foo.txt) |
| boolean isDirectory = file.isDirectory(); |
| if (!isDirectory && file.getName().contains(".")) { |
| throw new IllegalArgumentException("Only directory is supported. Endpoint must be configured with a valid starting directory: " + file); |
| } |
| |
| // auto create starting directory if needed |
| if (!file.exists() && !isDirectory) { |
| if (isAutoCreate()) { |
| if (log.isDebugEnabled()) { |
| log.debug("Creating non existing starting directory: " + file); |
| } |
| boolean absolute = FileUtil.isAbsolute(file); |
| operations.buildDirectory(file.getPath(), absolute); |
| } else if (isStartingDirectoryMustExist()) { |
| throw new FileNotFoundException("Starting directory does not exist: " + file); |
| } |
| } |
| |
| FileConsumer result = new FileConsumer(this, processor, operations); |
| |
| if (isDelete() && getMove() != null) { |
| throw new IllegalArgumentException("You cannot set both delete=true and move options"); |
| } |
| |
| // if noop=true then idempotent should also be configured |
| if (isNoop() && !isIdempotentSet()) { |
| log.info("Endpoint is configured with noop=true so forcing endpoint to be idempotent as well"); |
| setIdempotent(true); |
| } |
| |
| // if idempotent and no repository set then create a default one |
| if (isIdempotentSet() && isIdempotent() && idempotentRepository == null) { |
| log.info("Using default memory based idempotent repository with cache max size: " + DEFAULT_IDEMPOTENT_CACHE_SIZE); |
| idempotentRepository = MemoryIdempotentRepository.memoryIdempotentRepository(DEFAULT_IDEMPOTENT_CACHE_SIZE); |
| } |
| |
| // set max messages per poll |
| result.setMaxMessagesPerPoll(getMaxMessagesPerPoll()); |
| |
| configureConsumer(result); |
| return result; |
| } |
| |
| public GenericFileProducer<File> createProducer() throws Exception { |
| ObjectHelper.notNull(operations, "operations"); |
| |
| // you cannot use temp prefix and file exists append |
| if (getFileExist() == GenericFileExist.Append && getTempPrefix() != null) { |
| throw new IllegalArgumentException("You cannot set both fileExist=Append and tempPrefix options"); |
| } |
| |
| return new GenericFileProducer<File>(this, operations); |
| } |
| |
| public Exchange createExchange(GenericFile<File> file) { |
| Exchange exchange = new DefaultExchange(this); |
| if (file != null) { |
| file.bindToExchange(exchange); |
| } |
| return exchange; |
| } |
| |
| public File getFile() { |
| return file; |
| } |
| |
| public void setFile(File file) { |
| this.file = file; |
| // update configuration as well |
| getConfiguration().setDirectory(file.getPath()); |
| } |
| |
| @Override |
| public String getScheme() { |
| return "file"; |
| } |
| |
| @Override |
| protected String createEndpointUri() { |
| return "file://" + getFile().getAbsolutePath(); |
| } |
| |
| @Override |
| public char getFileSeparator() { |
| return File.separatorChar; |
| } |
| |
| @Override |
| public boolean isAbsolute(String name) { |
| // relative or absolute path? |
| return FileUtil.isAbsolute(new File(name)); |
| } |
| |
| } |