| /* |
| * 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.dataset; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.apache.camel.util.IOHelper; |
| import org.apache.camel.util.Scanner; |
| |
| /** |
| * A DataSet that reads payloads from a file that are used to create each message exchange |
| * along with using a pluggable transformer to customize the messages. The file contents may optionally |
| * be split using a supplied token. |
| */ |
| public class FileDataSet extends ListDataSet { |
| private File sourceFile; |
| private String delimiter; |
| |
| private List<Object> defaultBodies; |
| |
| public FileDataSet(String sourceFileName) throws IOException { |
| this(new File(sourceFileName)); |
| } |
| |
| public FileDataSet(File sourceFile) throws IOException { |
| this(sourceFile, null); |
| } |
| |
| public FileDataSet(String sourceFileName, String delimiter) throws IOException { |
| this(new File(sourceFileName), delimiter); |
| } |
| |
| public FileDataSet(File sourceFile, String delimiter) throws IOException { |
| setSourceFile(sourceFile, delimiter); |
| } |
| |
| // Properties |
| //------------------------------------------------------------------------- |
| |
| public File getSourceFile() { |
| return sourceFile; |
| } |
| |
| public void setSourceFile(File sourceFile) throws IOException { |
| this.sourceFile = sourceFile; |
| readSourceFile(); |
| } |
| |
| public void setSourceFile(File sourceFile, String delimiter) throws IOException { |
| this.sourceFile = sourceFile; |
| this.delimiter = delimiter; |
| readSourceFile(); |
| } |
| |
| public String getDelimiter() { |
| return delimiter; |
| } |
| |
| // Implementation methods |
| //------------------------------------------------------------------------- |
| |
| private void readSourceFile() throws IOException { |
| List<Object> bodies = new LinkedList<>(); |
| if (delimiter != null) { |
| try (Scanner scanner = new Scanner(sourceFile, null, delimiter)) { |
| while (scanner.hasNext()) { |
| String nextPayload = scanner.next(); |
| if ((nextPayload != null) && (nextPayload.length() > 0)) { |
| bodies.add(nextPayload); |
| } |
| } |
| } |
| } else { |
| Object data = IOHelper.loadText(new FileInputStream(sourceFile)); |
| bodies.add(data); |
| } |
| |
| setDefaultBodies(bodies); |
| } |
| } |