testhxfexcelextractor.java

介绍java核心技术的pio编程方法以及基本概念

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   this work for additional information regarding copyright ownership.
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   (the "License"); you may not use this file except in compliance with
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       http://www.apache.org/licenses/LICENSE-2.0

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   distributed under the License is distributed on an "AS IS" BASIS,
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   See the License for the specific language governing permissions and
   limitations under the License.
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package org.apache.poi.hssf.extractor;

import java.io.File;
import java.io.FileInputStream;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import junit.framework.TestCase;

import org.apache.poi.POITextExtractor;
import org.apache.poi.hssf.HSSFXML;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hssf.usermodel.HSSFXMLWorkbook;
import org.apache.poi.hxf.HXFDocument;

/**
 * Tests for HXFExcelExtractor
 */
public class TestHXFExcelExtractor extends TestCase {
	/**
	 * A very simple file
	 */
	private HSSFXML xmlA;
	/**
	 * A fairly complex file
	 */
	private HSSFXML xmlB;
	
	/**
	 * A fairly simple file - ooxml
	 */
	private HSSFXML simpleXLSX; 
	/**
	 * A fairly simple file - ole2
	 */
	private HSSFWorkbook simpleXLS;

	protected void setUp() throws Exception {
		super.setUp();
		
		File fileA = new File(
				System.getProperty("HSSF.testdata.path") +
				File.separator + "sample.xlsx"
		);
		File fileB = new File(
				System.getProperty("HSSF.testdata.path") +
				File.separator + "AverageTaxRates.xlsx"
		);
		
		File fileSOOXML = new File(
				System.getProperty("HSSF.testdata.path") +
				File.separator + "SampleSS.xlsx"
		);
		File fileSOLE2 = new File(
				System.getProperty("HSSF.testdata.path") +
				File.separator + "SampleSS.xls"
		);
		
		xmlA = new HSSFXML(HXFDocument.openPackage(fileA));
		xmlB = new HSSFXML(HXFDocument.openPackage(fileB));
		
		simpleXLSX = new HSSFXML(HXFDocument.openPackage(fileSOOXML));
		simpleXLS = new HSSFWorkbook(new FileInputStream(fileSOLE2));
	}

	/**
	 * Get text out of the simple file
	 */
	public void testGetSimpleText() throws Exception {
		new HXFExcelExtractor(xmlA.getPackage());
		new HXFExcelExtractor(new HSSFXMLWorkbook(xmlA));
		
		HXFExcelExtractor extractor = 
			new HXFExcelExtractor(xmlA.getPackage());
		extractor.getText();
		
		String text = extractor.getText();
		assertTrue(text.length() > 0);
		
		// Check sheet names
		assertTrue(text.startsWith("Sheet1"));
		assertTrue(text.endsWith("Sheet3\n"));
		
		// Now without, will have text
		extractor.setIncludeSheetNames(false);
		text = extractor.getText();
		assertEquals(
				"Lorem\t111\n" +
				"ipsum\t222\n" +
				"dolor\t333\n" +
				"sit\t444\n" +
				"amet\t555\n" +
				"consectetuer\t666\n" +
				"adipiscing\t777\n" +
				"elit\t888\n" +
				"Nunc\t999\n" +
				"at\t4995\n" +
				"\n\n", text);
		
		// Now get formulas not their values
		extractor.setFormulasNotResults(true);
		text = extractor.getText();
		assertEquals(
				"Lorem\t111\n" +
				"ipsum\t222\n" +
				"dolor\t333\n" +
				"sit\t444\n" +
				"amet\t555\n" +
				"consectetuer\t666\n" +
				"adipiscing\t777\n" +
				"elit\t888\n" +
				"Nunc\t999\n" +
				"at\tSUM(B1:B9)\n" +
				"\n\n", text);
		
		// With sheet names too
		extractor.setIncludeSheetNames(true);
		text = extractor.getText();
		assertEquals(
				"Sheet1\n" +
				"Lorem\t111\n" +
				"ipsum\t222\n" +
				"dolor\t333\n" +
				"sit\t444\n" +
				"amet\t555\n" +
				"consectetuer\t666\n" +
				"adipiscing\t777\n" +
				"elit\t888\n" +
				"Nunc\t999\n" +
				"at\tSUM(B1:B9)\n\n" +
				"Sheet2\n\n" +
				"Sheet3\n"
				, text);
	}
	
	public void testGetComplexText() throws Exception {
		new HXFExcelExtractor(xmlB.getPackage());
		new HXFExcelExtractor(new HSSFXMLWorkbook(xmlB));
		
		HXFExcelExtractor extractor = 
			new HXFExcelExtractor(xmlB.getPackage());
		extractor.getText();
		
		String text = extractor.getText();
		assertTrue(text.length() > 0);
		
		// Might not have all formatting it should do!
		// TODO decide if we should really have the "null" in there
		assertTrue(text.startsWith(
						"Avgtxfull\n" +
						"null\t(iii) AVERAGE TAX RATES ON ANNUAL"	
		));
	}
	
	/**
	 * Test that we return pretty much the same as
	 *  ExcelExtractor does, when we're both passed
	 *  the same file, just saved as xls and xlsx
	 */
	public void testComparedToOLE2() throws Exception {
		HXFExcelExtractor ooxmlExtractor =
			new HXFExcelExtractor(simpleXLSX.getPackage());
		ExcelExtractor ole2Extractor =
			new ExcelExtractor(simpleXLS);
		
		POITextExtractor[] extractors =
			new POITextExtractor[] { ooxmlExtractor, ole2Extractor };
		for (int i = 0; i < extractors.length; i++) {
			POITextExtractor extractor = extractors[i];
			
			String text = extractor.getText().replaceAll("[\r\t]", "");
			//System.out.println(text.length());
			//System.out.println(text);
			assertTrue(text.startsWith("First Sheet\nTest spreadsheet\n2nd row2nd row 2nd column\n"));
			Pattern pattern = Pattern.compile(".*13(\\.0+)?\\s+Sheet3.*", Pattern.DOTALL);
			Matcher m = pattern.matcher(text);
			assertTrue(m.matches());			
		}
	}
}