| /* |
| * 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.commons.imaging.formats.jpeg.xmp; |
| |
| import java.io.UnsupportedEncodingException; |
| |
| import org.apache.commons.imaging.ImageReadException; |
| import org.apache.commons.imaging.common.BinaryFileParser; |
| import org.apache.commons.imaging.formats.jpeg.JpegConstants; |
| |
| public class JpegXmpParser extends BinaryFileParser implements JpegConstants |
| { |
| |
| public JpegXmpParser() |
| { |
| setByteOrder(BYTE_ORDER_NETWORK); |
| } |
| |
| |
| public boolean isXmpJpegSegment(byte segmentData[]) |
| { |
| return BinaryFileParser.byteArrayHasPrefix(segmentData, XMP_IDENTIFIER); |
| } |
| |
| public String parseXmpJpegSegment(byte segmentData[]) |
| throws ImageReadException |
| { |
| if (!isXmpJpegSegment(segmentData)) { |
| throw new ImageReadException("Invalid JPEG XMP Segment."); |
| } |
| int index = XMP_IDENTIFIER.size(); |
| |
| try |
| { |
| // segment data is UTF-8 encoded xml. |
| String xml = new String(segmentData, index, segmentData.length |
| - index, "utf-8"); |
| return xml; |
| } catch (UnsupportedEncodingException e) |
| { |
| throw new ImageReadException("Invalid JPEG XMP Segment."); |
| } |
| } |
| |
| } |