| /* |
| * 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. |
| */ |
| |
| /* $Id$ */ |
| package org.apache.fop.render.pdf.pdfbox; |
| |
| import java.io.IOException; |
| |
| import javax.imageio.stream.ImageInputStream; |
| |
| /** |
| * Last resort PDF preloader for PDFs with data before the header |
| */ |
| public class LastResortPreloaderPDF extends PreloaderPDF { |
| protected byte[] getHeader(ImageInputStream in, int size) throws IOException { |
| byte[] header = new byte[1024]; |
| long startPos = in.getStreamPosition(); |
| int len = in.read(header); |
| in.seek(startPos); |
| String s = new String(header, "US-ASCII"); |
| if (len > 0 && s.contains(PDF_HEADER)) { |
| return PDF_HEADER.getBytes("US-ASCII"); |
| } |
| return new byte[0]; |
| } |
| |
| public int getPriority() { |
| return DEFAULT_PRIORITY * 3; |
| } |
| } |