testhxfpowerpointextractor.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.hslf.extractor;

import java.io.File;

import org.apache.poi.hslf.HSLFXML;
import org.apache.poi.hslf.usermodel.HSLFXMLSlideShow;
import org.apache.poi.hxf.HXFDocument;

import junit.framework.TestCase;

/**
 * Tests for HXFPowerPointExtractor
 */
public class TestHXFPowerPointExtractor extends TestCase {
	/**
	 * A simple file
	 */
	private HSLFXML xmlA;

	protected void setUp() throws Exception {
		super.setUp();
		
		File fileA = new File(
				System.getProperty("HSLF.testdata.path") +
				File.separator + "sample.pptx"
		);
		
		xmlA = new HSLFXML(HXFDocument.openPackage(fileA));
	}

	/**
	 * Get text out of the simple file
	 */
	public void testGetSimpleText() throws Exception {
		new HXFPowerPointExtractor(xmlA.getPackage());
		new HXFPowerPointExtractor(new HSLFXMLSlideShow(xmlA));
		
		HXFPowerPointExtractor extractor = 
			new HXFPowerPointExtractor(xmlA.getPackage());
		extractor.getText();
		
		String text = extractor.getText();
		assertTrue(text.length() > 0);
		
		// Check Basics
		assertTrue(text.startsWith("Lorem ipsum dolor sit amet\n"));
		assertTrue(text.endsWith("amet\n\n"));
		
		// Just slides, no notes
		text = extractor.getText(true, false);
		assertEquals(
				"Lorem ipsum dolor sit amet\n" +
				"Nunc at risus vel erat tempus posuere. Aenean non ante.\n" +
				"\n" +
				"Lorem ipsum dolor sit amet\n" +
				"Lorem\n" +
				"ipsum\n" +
				"dolor\n" +
				"sit\n" +
				"amet\n" +
				"\n", text
		);
		
		// Just notes, no slides
		text = extractor.getText(false, true);
		assertEquals(
				"\n\n\n\n", text
		);
		
		// Both
		text = extractor.getText(true, true);
		assertEquals(
				"Lorem ipsum dolor sit amet\n" +
				"Nunc at risus vel erat tempus posuere. Aenean non ante.\n" +
				"\n\n\n" +
				"Lorem ipsum dolor sit amet\n" +
				"Lorem\n" +
				"ipsum\n" +
				"dolor\n" +
				"sit\n" +
				"amet\n" +
				"\n\n\n", text
		);
		
		// Via set defaults
		extractor.setSlidesByDefault(false);
		extractor.setNotesByDefault(true);
		text = extractor.getText();
		assertEquals(
				"\n\n\n\n", text
		);
	}
}