| /* |
| * 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.asyncweb.examples.file.fileloader; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.RandomAccessFile; |
| import java.nio.channels.FileChannel; |
| import java.security.InvalidParameterException; |
| |
| import org.apache.mina.common.IoBuffer; |
| |
| /** |
| * A simple file loader, supposed to be efficient on relativly small |
| * files. |
| * |
| * @author The Apache MINA Project (dev@mina.apache.org) |
| */ |
| public class SimpleFileLoader implements FileLoader { |
| |
| public IoBuffer loadFile(File file) throws IOException { |
| if(file.length()> Integer.MAX_VALUE) |
| throw new InvalidParameterException("File "+file+" is too big for SimpleFileLoader try MmapFileLoader"); |
| IoBuffer buffer=IoBuffer.allocate((int)file.length()); |
| RandomAccessFile raf = new RandomAccessFile(file, "r"); |
| FileChannel fc = raf.getChannel(); |
| fc.read(buffer.buf()); |
| buffer.flip(); |
| fc.close(); |
| raf.close(); |
| return buffer; |
| } |
| |
| |
| } |