/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2017 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: sales@itextpdf.com
*/
package com.itextpdf.text.pdf;
import com.itextpdf.testutils.TestResourceUtils;
import com.itextpdf.text.Document;
import com.itextpdf.text.ExceptionConverter;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.exceptions.InvalidPdfException;
import com.itextpdf.text.io.RandomAccessSourceFactory;
import org.junit.*;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.Stack;
import static org.junit.Assert.*;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class PdfReaderTest {
@Before
public void setUp() throws Exception {
TestResourceUtils.purgeTempFiles();
}
@After
public void tearDown() throws Exception {
TestResourceUtils.purgeTempFiles();
}
@Ignore("validity of test needs to be resolved")
@Test
public void testGetLink() throws Exception {
File testFile = TestResourceUtils.getResourceAsTempFile(this, "getLinkTest1.pdf");
PdfReader currentReader = new PdfReader(testFile.getAbsolutePath());
Document document = new Document(PageSize.A4, 0, 0, 0, 0);
PdfWriter writer = PdfWriter.getInstance(document, new
ByteArrayOutputStream());
document.open();
document.newPage();
List<PdfAnnotation.PdfImportedLink> links = currentReader.getLinks(1);
PdfAnnotation.PdfImportedLink link = links.get(0);
writer.addAnnotation(link.createAnnotation(writer));
document.close();
currentReader.close();
}
@Test
public void testGetLink2() throws Exception {
File testFile = TestResourceUtils.getResourceAsTempFile(this, "getLinkTest2.pdf");
String filename = testFile.getAbsolutePath();
PdfReader rdr = new PdfReader(new RandomAccessFileOrArray(filename), new byte[0]);
// this one works: PdfReader rdr = new PdfReader(filename);
rdr.consolidateNamedDestinations(); // does not help
rdr.getLinks(1);
rdr.close();
}
@Test
public void testPageResources() throws Exception {
File testFile = TestResourceUtils.getResourceAsTempFile(this, "getLinkTest2.pdf");
String filename = testFile.getAbsolutePath();
PdfReader rdr = new PdfReader(new RandomAccessFileOrArray(filename), new byte[0]);
PdfDictionary pageResFromNum = rdr.getPageResources(1);
PdfDictionary pageResFromDict = rdr.getPageResources(rdr.getPageN(1));
// same size & keys
assertTrue(pageResFromNum.getKeys().equals(pageResFromDict.getKeys()));
rdr.close();
}
//Check for crash
@Test
public void readCompressedPdfTest1() throws IOException {
File testFile = TestResourceUtils.getResourceAsTempFile(this, "readCompressedPdfTest1.pdf");
String filename = testFile.getAbsolutePath();
PdfReader rdr = new PdfReader(filename);
for (int i = 1; i <= rdr.getNumberOfPages(); i++) {
PdfDictionary p = rdr.getPageNRelease(i);
assertEquals(PdfName.PAGE.toString(), p.getAsName(PdfName.TYPE).toString());
}
rdr.close();
}
@Test
public void partialReadFromByteArrayTest() throws IOException {
byte[] pdfFile = TestResourceUtils.getResourceAsByteArray(this, "iphone_user_guide.pdf");
PdfReader reader = new PdfReader(new RandomAccessFileOrArray(new RandomAccessSourceFactory().createSource(pdfFile)), null, true);
int pagesNum = 0;
PdfDictionary pagesObj = reader.getCatalog().getAsDict(PdfName.PAGES);
Stack<PdfDictionary> pages = new Stack<PdfDictionary>();
pages.push(pagesObj);
while(pages.size() > 0) {
PdfDictionary page = pages.pop();
PdfArray kids = page.getAsArray(PdfName.KIDS);
if (kids != null) {
for (int i = 0; i < kids.size(); ++i) {
pages.push(kids.getAsDict(i));
}
} else {
++pagesNum;
}
}
assertTrue(String.format("There is 130 pages in document, but iText counted %d", pagesNum), pagesNum == 130);
}
@Test(expected = ExceptionConverter.class)
public void circularReferencesInResources() throws IOException {
File testFile = TestResourceUtils.getResourceAsTempFile(this, "circularReferencesInResources.pdf");
String filename = testFile.getAbsolutePath();
PdfReader rdr = new PdfReader(filename);
rdr.close();
BaseFont.getDocumentFonts(rdr);
}
@Test(expected = InvalidPdfException.class)
public void circularReferencesInPageTree() throws IOException {
File testFile = TestResourceUtils.getResourceAsTempFile(this, "circularReferencesInPageTree.pdf");
String filename = testFile.getAbsolutePath();
PdfReader rdr = new PdfReader(filename);
}
}