PdfReaderInstance.java

/*
 * $Id: PdfReaderInstance.java 4065 2009-09-16 23:09:11Z psoares33 $
 *
 * Copyright 2001, 2002 Paulo Soares
 *
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the License.
 *
 * The Original Code is 'iText, a free JAVA-PDF library'.
 *
 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
 * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
 *
 * Contributor(s): all the names of the contributors are added in the source code
 * where applicable.
 *
 * Alternatively, the contents of this file may be used under the terms of the
 * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
 * provisions of LGPL are applicable instead of those above.  If you wish to
 * allow use of your version of this file only under the terms of the LGPL
 * License and not to allow others to use your version of this file under
 * the MPL, indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by the LGPL.
 * If you do not delete the provisions above, a recipient may use your version
 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the MPL as stated above or under the terms of the GNU
 * Library General Public License as published by the Free Software Foundation;
 * either version 2 of the License, or any later version.
 *
 * This library 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 Library general Public License for more
 * details.
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.lowagie.com/iText/
 */

package com.lowagie.text.pdf;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;

import com.lowagie.text.error_messages.MessageLocalization;
/**
 * Instance of PdfReader in each output document.
 *
 * @author Paulo Soares (psoares@consiste.pt)
 */
class PdfReaderInstance {
    static final PdfLiteral IDENTITYMATRIX = new PdfLiteral("[1 0 0 1 0 0]");
    static final PdfNumber ONE = new PdfNumber(1);
    int[] myXref;
    PdfReader reader;
    RandomAccessFileOrArray file;
    HashMap importedPages = new HashMap();
    PdfWriter writer;
    HashMap visited = new HashMap();
    ArrayList nextRound = new ArrayList();
    
    PdfReaderInstance(PdfReader reader, PdfWriter writer) {
        this.reader = reader;
        this.writer = writer;
        file = reader.getSafeFile();
        myXref = new int[reader.getXrefSize()];
    }
    
    PdfReader getReader() {
        return reader;
    }
    
    PdfImportedPage getImportedPage(int pageNumber) {
        if (!reader.isOpenedWithFullPermissions())
            throw new IllegalArgumentException(MessageLocalization.getComposedMessage("pdfreader.not.opened.with.owner.password"));
        if (pageNumber < 1 || pageNumber > reader.getNumberOfPages())
            throw new IllegalArgumentException(MessageLocalization.getComposedMessage("invalid.page.number.1", pageNumber));
        Integer i = pageNumber;
        PdfImportedPage pageT = (PdfImportedPage)importedPages.get(i);
        if (pageT == null) {
            pageT = new PdfImportedPage(this, writer, pageNumber);
            importedPages.put(i, pageT);
        }
        return pageT;
    }
    
    int getNewObjectNumber(int number, int generation) {
        if (myXref[number] == 0) {
            myXref[number] = writer.getIndirectReferenceNumber();
            nextRound.add(number);
        }
        return myXref[number];
    }
    
    RandomAccessFileOrArray getReaderFile() {
        return file;
    }
    
    PdfObject getResources(int pageNumber) {
        PdfObject obj = PdfReader.getPdfObjectRelease(reader.getPageNRelease(pageNumber).get(PdfName.RESOURCES));
        return obj;
    }
    
    /**
     * Gets the content stream of a page as a PdfStream object.
     * @param    pageNumber            the page of which you want the stream
     * @param    compressionLevel    the compression level you want to apply to the stream
     * @return    a PdfStream object
     * @since    2.1.3 (the method already existed without param compressionLevel)
     */
    PdfStream getFormXObject(int pageNumber, int compressionLevel) throws IOException {
        PdfDictionary page = reader.getPageNRelease(pageNumber);
        PdfObject contents = PdfReader.getPdfObjectRelease(page.get(PdfName.CONTENTS));
        PdfDictionary dic = new PdfDictionary();
        byte[] bout = null;
        if (contents != null) {
            if (contents.isStream())
                dic.putAll((PRStream)contents);
            else
                bout = reader.getPageContent(pageNumber, file);
        }
        else
            bout = new byte[0];
        dic.put(PdfName.RESOURCES, PdfReader.getPdfObjectRelease(page.get(PdfName.RESOURCES)));
        dic.put(PdfName.TYPE, PdfName.XOBJECT);
        dic.put(PdfName.SUBTYPE, PdfName.FORM);
        PdfImportedPage impPage = (PdfImportedPage)importedPages.get(pageNumber);
        dic.put(PdfName.BBOX, new PdfRectangle(impPage.getBoundingBox()));
        PdfArray matrix = impPage.getMatrix();
        if (matrix == null)
            dic.put(PdfName.MATRIX, IDENTITYMATRIX);
        else
            dic.put(PdfName.MATRIX, matrix);
        dic.put(PdfName.FORMTYPE, ONE);
        PRStream stream;
        if (bout == null) {
            stream = new PRStream((PRStream)contents, dic);
        }
        else {
            stream = new PRStream(reader, bout, compressionLevel);
            stream.putAll(dic);
        }
        return stream;
    }
    
    void writeAllVisited() throws IOException {
        while (!nextRound.isEmpty()) {
            ArrayList vec = nextRound;
            nextRound = new ArrayList();
            for (Object o : vec) {
                Integer i = (Integer) o;
                if (!visited.containsKey(i)) {
                    visited.put(i, null);
                    int n = i;
                    writer.addToBody(reader.getPdfObjectRelease(n), myXref[n]);
                }
            }
        }
    }
    
    void writeAllPages() throws IOException {
        try {
            file.reOpen();
            for (Object o : importedPages.values()) {
                PdfImportedPage ip = (PdfImportedPage) o;
                writer.addToBody(ip.getFormXObject(writer.getCompressionLevel()), ip.getIndirectReference());
            }
            writeAllVisited();
        }
        finally {
            try {
                reader.close();
                file.close();
            }
            catch (Exception e) {
                //Empty on purpose
            }
        }
    }
}





























Active mutators

INCREMENTS_MUTATOR
VOID_METHOD_CALL_MUTATOR
RETURN_VALS_MUTATOR
MATH_MUTATOR
NEGATE_CONDITIONALS_MUTATOR
INVERT_NEGS_MUTATOR
CONDITIONALS_BOUNDARY_MUTATOR

Tests examined

Report generated by PIT 1.4.2

1		/*
2		* $Id: PdfReaderInstance.java 4065 2009-09-16 23:09:11Z psoares33 $
3		*
4		* Copyright 2001, 2002 Paulo Soares
5		*
6		* The contents of this file are subject to the Mozilla Public License Version 1.1
7		* (the "License"); you may not use this file except in compliance with the License.
8		* You may obtain a copy of the License at http://www.mozilla.org/MPL/
9		*
10		* Software distributed under the License is distributed on an "AS IS" basis,
11		* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12		* for the specific language governing rights and limitations under the License.
13		*
14		* The Original Code is 'iText, a free JAVA-PDF library'.
15		*
16		* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
17		* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
18		* All Rights Reserved.
19		* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
20		* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
21		*
22		* Contributor(s): all the names of the contributors are added in the source code
23		* where applicable.
24		*
25		* Alternatively, the contents of this file may be used under the terms of the
26		* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
27		* provisions of LGPL are applicable instead of those above. If you wish to
28		* allow use of your version of this file only under the terms of the LGPL
29		* License and not to allow others to use your version of this file under
30		* the MPL, indicate your decision by deleting the provisions above and
31		* replace them with the notice and other provisions required by the LGPL.
32		* If you do not delete the provisions above, a recipient may use your version
33		* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
34		*
35		* This library is free software; you can redistribute it and/or modify it
36		* under the terms of the MPL as stated above or under the terms of the GNU
37		* Library General Public License as published by the Free Software Foundation;
38		* either version 2 of the License, or any later version.
39		*
40		* This library is distributed in the hope that it will be useful, but WITHOUT
41		* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
42		* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
43		* details.
44		*
45		* If you didn't download this code from the following link, you should check if
46		* you aren't using an obsolete version:
47		* http://www.lowagie.com/iText/
48		*/
49
50		package com.lowagie.text.pdf;
51		import java.io.IOException;
52		import java.util.ArrayList;
53		import java.util.HashMap;
54
55		import com.lowagie.text.error_messages.MessageLocalization;
56		/**
57		* Instance of PdfReader in each output document.
58		*
59		* @author Paulo Soares (psoares@consiste.pt)
60		*/
61		class PdfReaderInstance {
62		static final PdfLiteral IDENTITYMATRIX = new PdfLiteral("[1 0 0 1 0 0]");
63		static final PdfNumber ONE = new PdfNumber(1);
64		int[] myXref;
65		PdfReader reader;
66		RandomAccessFileOrArray file;
67		HashMap importedPages = new HashMap();
68		PdfWriter writer;
69		HashMap visited = new HashMap();
70		ArrayList nextRound = new ArrayList();
71
72		PdfReaderInstance(PdfReader reader, PdfWriter writer) {
73		this.reader = reader;
74		this.writer = writer;
75		file = reader.getSafeFile();
76		myXref = new int[reader.getXrefSize()];
77		}
78
79		PdfReader getReader() {
80		return reader;
81		}
82
83		PdfImportedPage getImportedPage(int pageNumber) {
84	1 1. getImportedPage : negated conditional → NO_COVERAGE	if (!reader.isOpenedWithFullPermissions())
85		throw new IllegalArgumentException(MessageLocalization.getComposedMessage("pdfreader.not.opened.with.owner.password"));
86	4 1. getImportedPage : changed conditional boundary → NO_COVERAGE 2. getImportedPage : changed conditional boundary → NO_COVERAGE 3. getImportedPage : negated conditional → NO_COVERAGE 4. getImportedPage : negated conditional → NO_COVERAGE	if (pageNumber < 1 \|\| pageNumber > reader.getNumberOfPages())
87		throw new IllegalArgumentException(MessageLocalization.getComposedMessage("invalid.page.number.1", pageNumber));
88		Integer i = pageNumber;
89		PdfImportedPage pageT = (PdfImportedPage)importedPages.get(i);
90	1 1. getImportedPage : negated conditional → NO_COVERAGE	if (pageT == null) {
91		pageT = new PdfImportedPage(this, writer, pageNumber);
92		importedPages.put(i, pageT);
93		}
94	1 1. getImportedPage : mutated return of Object value for com/lowagie/text/pdf/PdfReaderInstance::getImportedPage to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE	return pageT;
95		}
96
97		int getNewObjectNumber(int number, int generation) {
98	1 1. getNewObjectNumber : negated conditional → NO_COVERAGE	if (myXref[number] == 0) {
99		myXref[number] = writer.getIndirectReferenceNumber();
100		nextRound.add(number);
101		}
102	1 1. getNewObjectNumber : replaced return of integer sized value with (x == 0 ? 1 : 0) → NO_COVERAGE	return myXref[number];
103		}
104
105		RandomAccessFileOrArray getReaderFile() {
106		return file;
107		}
108
109		PdfObject getResources(int pageNumber) {
110		PdfObject obj = PdfReader.getPdfObjectRelease(reader.getPageNRelease(pageNumber).get(PdfName.RESOURCES));
111	1 1. getResources : mutated return of Object value for com/lowagie/text/pdf/PdfReaderInstance::getResources to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE	return obj;
112		}
113
114		/**
115		* Gets the content stream of a page as a PdfStream object.
116		* @param pageNumber the page of which you want the stream
117		* @param compressionLevel the compression level you want to apply to the stream
118		* @return a PdfStream object
119		* @since 2.1.3 (the method already existed without param compressionLevel)
120		*/
121		PdfStream getFormXObject(int pageNumber, int compressionLevel) throws IOException {
122		PdfDictionary page = reader.getPageNRelease(pageNumber);
123		PdfObject contents = PdfReader.getPdfObjectRelease(page.get(PdfName.CONTENTS));
124		PdfDictionary dic = new PdfDictionary();
125		byte[] bout = null;
126	1 1. getFormXObject : negated conditional → NO_COVERAGE	if (contents != null) {
127	1 1. getFormXObject : negated conditional → NO_COVERAGE	if (contents.isStream())
128	1 1. getFormXObject : removed call to com/lowagie/text/pdf/PdfDictionary::putAll → NO_COVERAGE	dic.putAll((PRStream)contents);
129		else
130		bout = reader.getPageContent(pageNumber, file);
131		}
132		else
133		bout = new byte[0];
134	1 1. getFormXObject : removed call to com/lowagie/text/pdf/PdfDictionary::put → NO_COVERAGE	dic.put(PdfName.RESOURCES, PdfReader.getPdfObjectRelease(page.get(PdfName.RESOURCES)));
135	1 1. getFormXObject : removed call to com/lowagie/text/pdf/PdfDictionary::put → NO_COVERAGE	dic.put(PdfName.TYPE, PdfName.XOBJECT);
136	1 1. getFormXObject : removed call to com/lowagie/text/pdf/PdfDictionary::put → NO_COVERAGE	dic.put(PdfName.SUBTYPE, PdfName.FORM);
137		PdfImportedPage impPage = (PdfImportedPage)importedPages.get(pageNumber);
138	1 1. getFormXObject : removed call to com/lowagie/text/pdf/PdfDictionary::put → NO_COVERAGE	dic.put(PdfName.BBOX, new PdfRectangle(impPage.getBoundingBox()));
139		PdfArray matrix = impPage.getMatrix();
140	1 1. getFormXObject : negated conditional → NO_COVERAGE	if (matrix == null)
141	1 1. getFormXObject : removed call to com/lowagie/text/pdf/PdfDictionary::put → NO_COVERAGE	dic.put(PdfName.MATRIX, IDENTITYMATRIX);
142		else
143	1 1. getFormXObject : removed call to com/lowagie/text/pdf/PdfDictionary::put → NO_COVERAGE	dic.put(PdfName.MATRIX, matrix);
144	1 1. getFormXObject : removed call to com/lowagie/text/pdf/PdfDictionary::put → NO_COVERAGE	dic.put(PdfName.FORMTYPE, ONE);
145		PRStream stream;
146	1 1. getFormXObject : negated conditional → NO_COVERAGE	if (bout == null) {
147		stream = new PRStream((PRStream)contents, dic);
148		}
149		else {
150		stream = new PRStream(reader, bout, compressionLevel);
151	1 1. getFormXObject : removed call to com/lowagie/text/pdf/PRStream::putAll → NO_COVERAGE	stream.putAll(dic);
152		}
153	1 1. getFormXObject : mutated return of Object value for com/lowagie/text/pdf/PdfReaderInstance::getFormXObject to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE	return stream;
154		}
155
156		void writeAllVisited() throws IOException {
157	1 1. writeAllVisited : negated conditional → NO_COVERAGE	while (!nextRound.isEmpty()) {
158		ArrayList vec = nextRound;
159		nextRound = new ArrayList();
160		for (Object o : vec) {
161		Integer i = (Integer) o;
162	1 1. writeAllVisited : negated conditional → NO_COVERAGE	if (!visited.containsKey(i)) {
163		visited.put(i, null);
164		int n = i;
165		writer.addToBody(reader.getPdfObjectRelease(n), myXref[n]);
166		}
167		}
168		}
169		}
170
171		void writeAllPages() throws IOException {
172		try {
173	1 1. writeAllPages : removed call to com/lowagie/text/pdf/RandomAccessFileOrArray::reOpen → NO_COVERAGE	file.reOpen();
174		for (Object o : importedPages.values()) {
175		PdfImportedPage ip = (PdfImportedPage) o;
176		writer.addToBody(ip.getFormXObject(writer.getCompressionLevel()), ip.getIndirectReference());
177		}
178	1 1. writeAllPages : removed call to com/lowagie/text/pdf/PdfReaderInstance::writeAllVisited → NO_COVERAGE	writeAllVisited();
179		}
180		finally {
181		try {
182	1 1. writeAllPages : removed call to com/lowagie/text/pdf/PdfReader::close → NO_COVERAGE	reader.close();
183	1 1. writeAllPages : removed call to com/lowagie/text/pdf/RandomAccessFileOrArray::close → NO_COVERAGE	file.close();
184		}
185		catch (Exception e) {
186		//Empty on purpose
187		}
188		}
189		}
190		}
		Mutations
84		1.1 Location : getImportedPage Killed by : none negated conditional → NO_COVERAGE
86		1.1 Location : getImportedPage Killed by : none changed conditional boundary → NO_COVERAGE 2.2 Location : getImportedPage Killed by : none changed conditional boundary → NO_COVERAGE 3.3 Location : getImportedPage Killed by : none negated conditional → NO_COVERAGE 4.4 Location : getImportedPage Killed by : none negated conditional → NO_COVERAGE
90		1.1 Location : getImportedPage Killed by : none negated conditional → NO_COVERAGE
94		1.1 Location : getImportedPage Killed by : none mutated return of Object value for com/lowagie/text/pdf/PdfReaderInstance::getImportedPage to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
98		1.1 Location : getNewObjectNumber Killed by : none negated conditional → NO_COVERAGE
102		1.1 Location : getNewObjectNumber Killed by : none replaced return of integer sized value with (x == 0 ? 1 : 0) → NO_COVERAGE
111		1.1 Location : getResources Killed by : none mutated return of Object value for com/lowagie/text/pdf/PdfReaderInstance::getResources to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
126		1.1 Location : getFormXObject Killed by : none negated conditional → NO_COVERAGE
127		1.1 Location : getFormXObject Killed by : none negated conditional → NO_COVERAGE
128		1.1 Location : getFormXObject Killed by : none removed call to com/lowagie/text/pdf/PdfDictionary::putAll → NO_COVERAGE
134		1.1 Location : getFormXObject Killed by : none removed call to com/lowagie/text/pdf/PdfDictionary::put → NO_COVERAGE
135		1.1 Location : getFormXObject Killed by : none removed call to com/lowagie/text/pdf/PdfDictionary::put → NO_COVERAGE
136		1.1 Location : getFormXObject Killed by : none removed call to com/lowagie/text/pdf/PdfDictionary::put → NO_COVERAGE
138		1.1 Location : getFormXObject Killed by : none removed call to com/lowagie/text/pdf/PdfDictionary::put → NO_COVERAGE
140		1.1 Location : getFormXObject Killed by : none negated conditional → NO_COVERAGE
141		1.1 Location : getFormXObject Killed by : none removed call to com/lowagie/text/pdf/PdfDictionary::put → NO_COVERAGE
143		1.1 Location : getFormXObject Killed by : none removed call to com/lowagie/text/pdf/PdfDictionary::put → NO_COVERAGE
144		1.1 Location : getFormXObject Killed by : none removed call to com/lowagie/text/pdf/PdfDictionary::put → NO_COVERAGE
146		1.1 Location : getFormXObject Killed by : none negated conditional → NO_COVERAGE
151		1.1 Location : getFormXObject Killed by : none removed call to com/lowagie/text/pdf/PRStream::putAll → NO_COVERAGE
153		1.1 Location : getFormXObject Killed by : none mutated return of Object value for com/lowagie/text/pdf/PdfReaderInstance::getFormXObject to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
157		1.1 Location : writeAllVisited Killed by : none negated conditional → NO_COVERAGE
162		1.1 Location : writeAllVisited Killed by : none negated conditional → NO_COVERAGE
173		1.1 Location : writeAllPages Killed by : none removed call to com/lowagie/text/pdf/RandomAccessFileOrArray::reOpen → NO_COVERAGE
178		1.1 Location : writeAllPages Killed by : none removed call to com/lowagie/text/pdf/PdfReaderInstance::writeAllVisited → NO_COVERAGE
182		1.1 Location : writeAllPages Killed by : none removed call to com/lowagie/text/pdf/PdfReader::close → NO_COVERAGE
183		1.1 Location : writeAllPages Killed by : none removed call to com/lowagie/text/pdf/RandomAccessFileOrArray::close → NO_COVERAGE

PdfReaderInstance.java

Mutations

Active mutators

Tests examined