001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.component.file;
018
019 import java.io.File;
020
021 import org.apache.camel.Component;
022 import org.apache.camel.Exchange;
023 import org.apache.camel.Processor;
024 import org.apache.camel.impl.DefaultExchange;
025 import org.apache.camel.processor.idempotent.MemoryIdempotentRepository;
026 import org.apache.camel.util.FileUtil;
027 import org.apache.camel.util.ObjectHelper;
028
029 /**
030 * File endpoint.
031 */
032 public class FileEndpoint extends GenericFileEndpoint<File> {
033
034 private FileOperations operations = new FileOperations(this);
035 private File file;
036
037 public FileEndpoint() {
038 // use marker file as default exclusive read locks
039 this.readLock = "markerFile";
040 }
041
042 public FileEndpoint(String endpointUri, Component component) {
043 super(endpointUri, component);
044 // use marker file as default exclusive read locks
045 this.readLock = "markerFile";
046 }
047
048 public FileConsumer createConsumer(Processor processor) throws Exception {
049 ObjectHelper.notNull(operations, "operations");
050 ObjectHelper.notNull(file, "file");
051
052 // we assume its a file if the name has a dot in it (eg foo.txt)
053 if (file.getName().contains(".")) {
054 throw new IllegalArgumentException("Only directory is supported. Endpoint must be configured with a valid starting directory: " + file);
055 }
056
057 // auto create starting directory if needed
058 if (!file.exists() && !file.isDirectory()) {
059 if (isAutoCreate()) {
060 if (log.isDebugEnabled()) {
061 log.debug("Creating non existing starting directory: " + file);
062 }
063 boolean absolute = FileUtil.isAbsolute(file);
064 operations.buildDirectory(file.getPath(), absolute);
065 }
066 }
067
068 FileConsumer result = new FileConsumer(this, processor, operations);
069
070 if (isDelete() && getMove() != null) {
071 throw new IllegalArgumentException("You cannot set both delete=true and move options");
072 }
073
074 // if noop=true then idempotent should also be configured
075 if (isNoop() && !isIdempotentSet()) {
076 log.info("Endpoint is configured with noop=true so forcing endpoint to be idempotent as well");
077 setIdempotent(true);
078 }
079
080 // if idempotent and no repository set then create a default one
081 if (isIdempotentSet() && isIdempotent() && idempotentRepository == null) {
082 log.info("Using default memory based idempotent repository with cache max size: " + DEFAULT_IDEMPOTENT_CACHE_SIZE);
083 idempotentRepository = MemoryIdempotentRepository.memoryIdempotentRepository(DEFAULT_IDEMPOTENT_CACHE_SIZE);
084 }
085
086 // set max messages per poll
087 result.setMaxMessagesPerPoll(getMaxMessagesPerPoll());
088
089 configureConsumer(result);
090 return result;
091 }
092
093 public GenericFileProducer<File> createProducer() throws Exception {
094 ObjectHelper.notNull(operations, "operations");
095
096 // you cannot use temp prefix and file exists append
097 if (getFileExist() == GenericFileExist.Append && getTempPrefix() != null) {
098 throw new IllegalArgumentException("You cannot set both fileExist=Append and tempPrefix options");
099 }
100
101 return new GenericFileProducer<File>(this, operations);
102 }
103
104 public Exchange createExchange(GenericFile<File> file) {
105 Exchange exchange = new DefaultExchange(this);
106 if (file != null) {
107 file.bindToExchange(exchange);
108 }
109 return exchange;
110 }
111
112 public File getFile() {
113 return file;
114 }
115
116 public void setFile(File file) {
117 this.file = file;
118 // update configuration as well
119 getConfiguration().setDirectory(file.getPath());
120 }
121
122 @Override
123 public String getScheme() {
124 return "file";
125 }
126
127 @Override
128 protected String createEndpointUri() {
129 return "file://" + getFile().getAbsolutePath();
130 }
131
132 @Override
133 public char getFileSeparator() {
134 return File.separatorChar;
135 }
136
137 @Override
138 public boolean isAbsolute(String name) {
139 // relative or absolute path?
140 return FileUtil.isAbsolute(new File(name));
141 }
142
143 }