| /* |
| * 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.exif; |
| |
| import java.io.File; |
| import java.util.HashMap; |
| import java.util.Hashtable; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.commons.imaging.Sanselan; |
| import org.apache.commons.imaging.common.IImageMetadata; |
| import org.apache.commons.imaging.formats.jpeg.JpegImageMetadata; |
| import org.apache.commons.imaging.formats.tiff.TiffField; |
| import org.apache.commons.imaging.formats.tiff.TiffImageMetadata; |
| import org.apache.commons.imaging.formats.tiff.constants.AllTagConstants; |
| import org.apache.commons.imaging.formats.tiff.constants.TiffTagConstants; |
| |
| public class AsciiFieldTest extends ExifBaseTest implements AllTagConstants { |
| |
| public void testSingleImage() throws Exception |
| { |
| File imageFile = getTestImageByName("Canon Powershot SD750 - 2007.12.26.n.IMG_3704.JPG"); |
| |
| Map params = new HashMap(); |
| |
| IImageMetadata metadata = Sanselan.getMetadata(imageFile, params); |
| assertNotNull(metadata); |
| JpegImageMetadata jpegMetadata = (JpegImageMetadata) metadata; |
| |
| // note that exif might be null if no Exif metadata is found. |
| TiffImageMetadata exif = jpegMetadata.getExif(); |
| if (null == exif) |
| return; |
| |
| List fields = exif.getAllFields(); |
| Map fieldMap = new Hashtable(); |
| // Build a simplified field tag -> field map, ignoring directory structures. |
| // Good enough for our purposes, since the image in question is known. |
| for (int i = 0; i < fields.size(); i++) { |
| TiffField field = (TiffField) fields.get(i); |
| fieldMap.put(new Integer(field.tag), field); |
| } |
| |
| Map expectedFieldValues = new Hashtable(); |
| expectedFieldValues.put(new Integer(TiffTagConstants.TIFF_TAG_MAKE.tag), "Canon"); |
| expectedFieldValues.put(new Integer(TiffTagConstants.TIFF_TAG_MODEL.tag), "Canon PowerShot SD750"); |
| expectedFieldValues.put(new Integer(TiffTagConstants.TIFF_TAG_DATE_TIME.tag), "2007:12:25 13:34:39"); |
| Iterator expectedTags = expectedFieldValues.keySet().iterator(); |
| while (expectedTags.hasNext()) { |
| Integer tag = (Integer) expectedTags.next(); |
| Object expectedValue = expectedFieldValues.get(tag); |
| |
| assertTrue(fieldMap.containsKey(tag)); |
| TiffField field = (TiffField) fieldMap.get(tag); |
| assertNotNull(field); |
| Object value = field.getValue(); |
| assertNotNull(value); |
| assertEquals(value, expectedValue); |
| } |
| } |
| } |