PdfIndirectObject.java

/*
 * $Id: PdfIndirectObject.java 3912 2009-04-26 08:38:15Z blowagie $
 * $Name$
 *
 * Copyright 1999, 2000, 2001, 2002 Bruno Lowagie
 *
 * 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.io.OutputStream;

import com.lowagie.text.DocWriter;

/**
 * <CODE>PdfIndirectObject</CODE> is the Pdf indirect object.
 * <P>
 * An <I>indirect object</I> is an object that has been labeled so that it can be referenced by
 * other objects. Any type of <CODE>PdfObject</CODE> may be labeled as an indirect object.<BR>
 * An indirect object consists of an object identifier, a direct object, and the <B>endobj</B>
 * keyword. The <I>object identifier</I> consists of an integer <I>object number</I>, an integer
 * <I>generation number</I>, and the <B>obj</B> keyword.<BR>
 * This object is described in the 'Portable Document Format Reference Manual version 1.7'
 * section 3.2.9 (page 63-65).
 *
 * @see        PdfObject
 * @see        PdfIndirectReference
 */

public class PdfIndirectObject {
    
    // membervariables
    
/** The object number */
    protected int number;
    
/** the generation number */
    protected int generation = 0;

    static final byte[] STARTOBJ = DocWriter.getISOBytes(" obj\n");
    static final byte[] ENDOBJ = DocWriter.getISOBytes("\nendobj\n");
    static final int SIZEOBJ = STARTOBJ.length + ENDOBJ.length;
    PdfObject object;
    PdfWriter writer;
    
    // constructors
    
/**
 * Constructs a <CODE>PdfIndirectObject</CODE>.
 *
 * @param        number            the object number
 * @param        object            the direct object
 */
    
    PdfIndirectObject(int number, PdfObject object, PdfWriter writer) {
        this(number, 0, object, writer);
    }
    
    PdfIndirectObject(PdfIndirectReference ref, PdfObject object, PdfWriter writer) {
        this(ref.getNumber(),ref.getGeneration(),object,writer);
    }
/**
 * Constructs a <CODE>PdfIndirectObject</CODE>.
 *
 * @param        number            the object number
 * @param        generation        the generation number
 * @param        object            the direct object
 */
    
    PdfIndirectObject(int number, int generation, PdfObject object, PdfWriter writer) {
        this.writer = writer;
        this.number = number;
        this.generation = generation;
        this.object = object;
        PdfEncryption crypto = null;
        if (writer != null)
            crypto = writer.getEncryption();
        if (crypto != null) {
            crypto.setHashKey(number, generation);
        }
    }
    
    // methods
    
/**
 * Return the length of this <CODE>PdfIndirectObject</CODE>.
 *
 * @return        the length of the PDF-representation of this indirect object.
 */
    
//    public int length() {
//        if (isStream)
//            return bytes.size() + SIZEOBJ + stream.getStreamLength(writer);
//        else
//            return bytes.size();
//    }
    
    
/**
 * Returns a <CODE>PdfIndirectReference</CODE> to this <CODE>PdfIndirectObject</CODE>.
 *
 * @return        a <CODE>PdfIndirectReference</CODE>
 */
    
    public PdfIndirectReference getIndirectReference() {
        return new PdfIndirectReference(object.type(), number, generation);
    }
    
/**
 * Writes efficiently to a stream
 *
 * @param os the stream to write to
 * @throws IOException on write error
 */
    void writeTo(OutputStream os) throws IOException
    {
        os.write(DocWriter.getISOBytes(String.valueOf(number)));
        os.write(' ');
        os.write(DocWriter.getISOBytes(String.valueOf(generation)));
        os.write(STARTOBJ);
        object.toPdf(writer, os);
        os.write(ENDOBJ);
    }
}












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: PdfIndirectObject.java 3912 2009-04-26 08:38:15Z blowagie $
3		* $Name$
4		*
5		* Copyright 1999, 2000, 2001, 2002 Bruno Lowagie
6		*
7		* The contents of this file are subject to the Mozilla Public License Version 1.1
8		* (the "License"); you may not use this file except in compliance with the License.
9		* You may obtain a copy of the License at http://www.mozilla.org/MPL/
10		*
11		* Software distributed under the License is distributed on an "AS IS" basis,
12		* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13		* for the specific language governing rights and limitations under the License.
14		*
15		* The Original Code is 'iText, a free JAVA-PDF library'.
16		*
17		* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
18		* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
19		* All Rights Reserved.
20		* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
21		* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
22		*
23		* Contributor(s): all the names of the contributors are added in the source code
24		* where applicable.
25		*
26		* Alternatively, the contents of this file may be used under the terms of the
27		* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
28		* provisions of LGPL are applicable instead of those above. If you wish to
29		* allow use of your version of this file only under the terms of the LGPL
30		* License and not to allow others to use your version of this file under
31		* the MPL, indicate your decision by deleting the provisions above and
32		* replace them with the notice and other provisions required by the LGPL.
33		* If you do not delete the provisions above, a recipient may use your version
34		* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
35		*
36		* This library is free software; you can redistribute it and/or modify it
37		* under the terms of the MPL as stated above or under the terms of the GNU
38		* Library General Public License as published by the Free Software Foundation;
39		* either version 2 of the License, or any later version.
40		*
41		* This library is distributed in the hope that it will be useful, but WITHOUT
42		* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
43		* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
44		* details.
45		*
46		* If you didn't download this code from the following link, you should check if
47		* you aren't using an obsolete version:
48		* http://www.lowagie.com/iText/
49		*/
50
51		package com.lowagie.text.pdf;
52
53		import java.io.IOException;
54		import java.io.OutputStream;
55
56		import com.lowagie.text.DocWriter;
57
58		/**
59		* <CODE>PdfIndirectObject</CODE> is the Pdf indirect object.
60		* <P>
61		* An <I>indirect object</I> is an object that has been labeled so that it can be referenced by
62		* other objects. Any type of <CODE>PdfObject</CODE> may be labeled as an indirect object.<BR>
63		* An indirect object consists of an object identifier, a direct object, and the <B>endobj</B>
64		* keyword. The <I>object identifier</I> consists of an integer <I>object number</I>, an integer
65		* <I>generation number</I>, and the <B>obj</B> keyword.<BR>
66		* This object is described in the 'Portable Document Format Reference Manual version 1.7'
67		* section 3.2.9 (page 63-65).
68		*
69		* @see PdfObject
70		* @see PdfIndirectReference
71		*/
72
73		public class PdfIndirectObject {
74
75		// membervariables
76
77		/** The object number */
78		protected int number;
79
80		/** the generation number */
81		protected int generation = 0;
82
83		static final byte[] STARTOBJ = DocWriter.getISOBytes(" obj\n");
84		static final byte[] ENDOBJ = DocWriter.getISOBytes("\nendobj\n");
85		static final int SIZEOBJ = STARTOBJ.length + ENDOBJ.length;
86		PdfObject object;
87		PdfWriter writer;
88
89		// constructors
90
91		/**
92		* Constructs a <CODE>PdfIndirectObject</CODE>.
93		*
94		* @param number the object number
95		* @param object the direct object
96		*/
97
98		PdfIndirectObject(int number, PdfObject object, PdfWriter writer) {
99		this(number, 0, object, writer);
100		}
101
102		PdfIndirectObject(PdfIndirectReference ref, PdfObject object, PdfWriter writer) {
103		this(ref.getNumber(),ref.getGeneration(),object,writer);
104		}
105		/**
106		* Constructs a <CODE>PdfIndirectObject</CODE>.
107		*
108		* @param number the object number
109		* @param generation the generation number
110		* @param object the direct object
111		*/
112
113		PdfIndirectObject(int number, int generation, PdfObject object, PdfWriter writer) {
114		this.writer = writer;
115		this.number = number;
116		this.generation = generation;
117		this.object = object;
118		PdfEncryption crypto = null;
119	1 1. : negated conditional → NO_COVERAGE	if (writer != null)
120		crypto = writer.getEncryption();
121	1 1. : negated conditional → NO_COVERAGE	if (crypto != null) {
122	1 1. : removed call to com/lowagie/text/pdf/PdfEncryption::setHashKey → NO_COVERAGE	crypto.setHashKey(number, generation);
123		}
124		}
125
126		// methods
127
128		/**
129		* Return the length of this <CODE>PdfIndirectObject</CODE>.
130		*
131		* @return the length of the PDF-representation of this indirect object.
132		*/
133
134		// public int length() {
135		// if (isStream)
136		// return bytes.size() + SIZEOBJ + stream.getStreamLength(writer);
137		// else
138		// return bytes.size();
139		// }
140
141
142		/**
143		* Returns a <CODE>PdfIndirectReference</CODE> to this <CODE>PdfIndirectObject</CODE>.
144		*
145		* @return a <CODE>PdfIndirectReference</CODE>
146		*/
147
148		public PdfIndirectReference getIndirectReference() {
149	1 1. getIndirectReference : mutated return of Object value for com/lowagie/text/pdf/PdfIndirectObject::getIndirectReference to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE	return new PdfIndirectReference(object.type(), number, generation);
150		}
151
152		/**
153		* Writes efficiently to a stream
154		*
155		* @param os the stream to write to
156		* @throws IOException on write error
157		*/
158		void writeTo(OutputStream os) throws IOException
159		{
160	1 1. writeTo : removed call to java/io/OutputStream::write → NO_COVERAGE	os.write(DocWriter.getISOBytes(String.valueOf(number)));
161	1 1. writeTo : removed call to java/io/OutputStream::write → NO_COVERAGE	os.write(' ');
162	1 1. writeTo : removed call to java/io/OutputStream::write → NO_COVERAGE	os.write(DocWriter.getISOBytes(String.valueOf(generation)));
163	1 1. writeTo : removed call to java/io/OutputStream::write → NO_COVERAGE	os.write(STARTOBJ);
164	1 1. writeTo : removed call to com/lowagie/text/pdf/PdfObject::toPdf → NO_COVERAGE	object.toPdf(writer, os);
165	1 1. writeTo : removed call to java/io/OutputStream::write → NO_COVERAGE	os.write(ENDOBJ);
166		}
167		}
		Mutations
119		1.1 Location : Killed by : none negated conditional → NO_COVERAGE
121		1.1 Location : Killed by : none negated conditional → NO_COVERAGE
122		1.1 Location : Killed by : none removed call to com/lowagie/text/pdf/PdfEncryption::setHashKey → NO_COVERAGE
149		1.1 Location : getIndirectReference Killed by : none mutated return of Object value for com/lowagie/text/pdf/PdfIndirectObject::getIndirectReference to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
160		1.1 Location : writeTo Killed by : none removed call to java/io/OutputStream::write → NO_COVERAGE
161		1.1 Location : writeTo Killed by : none removed call to java/io/OutputStream::write → NO_COVERAGE
162		1.1 Location : writeTo Killed by : none removed call to java/io/OutputStream::write → NO_COVERAGE
163		1.1 Location : writeTo Killed by : none removed call to java/io/OutputStream::write → NO_COVERAGE
164		1.1 Location : writeTo Killed by : none removed call to com/lowagie/text/pdf/PdfObject::toPdf → NO_COVERAGE
165		1.1 Location : writeTo Killed by : none removed call to java/io/OutputStream::write → NO_COVERAGE

PdfIndirectObject.java

Mutations

Active mutators

Tests examined