/*
* 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.
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package org.apache.sanselan.formats.jpeg.exif;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.apache.sanselan.ImageReadException;
import org.apache.sanselan.Sanselan;
import org.apache.sanselan.common.IImageMetadata;
import org.apache.sanselan.formats.jpeg.JpegImageMetadata;
import org.apache.sanselan.formats.tiff.TiffField;
import org.apache.sanselan.formats.tiff.TiffImageMetadata;
import org.apache.sanselan.formats.tiff.constants.AllTagConstants;
public class AsciiFieldTest extends ExifBaseTest implements AllTagConstants {
public void testSingleImage() throws IOException, ImageReadException {
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(EXIF_TAG_MAKE.tag), "Canon");
expectedFieldValues.put(new Integer(EXIF_TAG_MODEL.tag), "Canon PowerShot SD750");
expectedFieldValues.put(new Integer(EXIF_TAG_MODIFY_DATE.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);
}
}
}