M332-PT-NGCC/Tess4J/test/net/sourceforge/tess4j/TestFolderExtraction.java
2019-10-10 18:01:08 +02:00

85 lines
2.5 KiB
Java

/**
* Copyright @ 2008 Quan Nguyen
*
* Licensed 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 net.sourceforge.tess4j;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.net.URISyntaxException;
import java.net.URL;
import net.sourceforge.tess4j.util.LoadLibs;
import net.sourceforge.tess4j.util.LoggHelper;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TestFolderExtraction {
private static final Logger logger = LoggerFactory.getLogger(new LoggHelper().toString());
@Test
public void testFolderExtraction() {
File tessDataFolder = null;
try {
/**
* Loads the image from resources.
*/
String filename = String.format("%s/%s", "/test-data", "eurotext.pdf");
URL defaultImage = getClass().getResource(filename);
File imageFile = new File(defaultImage.toURI());
/**
* Extracts <code>tessdata</code> folder into a temp folder.
*/
logger.info("Loading the tessdata folder into a temporary folder.");
tessDataFolder = LoadLibs.extractTessResources("tessdata");
/**
* Gets tesseract instance and sets data path.
*/
ITesseract instance = new Tesseract();
if (tessDataFolder != null) {
logger.info(tessDataFolder.getAbsolutePath());
instance.setDatapath(tessDataFolder.getParent());
}
/**
* Performs OCR on the image.
*/
String result = instance.doOCR(imageFile);
logger.info(result);
} catch (TesseractException e) {
logger.error(e.getMessage());
logger.error(e.getMessage(), e);
} catch (URISyntaxException e) {
logger.error(e.getMessage(), e);
}
// checks if tessdata folder exists
assertTrue(tessDataFolder != null && tessDataFolder.exists());
}
}