OutputStreamCounter.java

/*
 * Copyright 2004 by 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.io.OutputStream;

/**
 *
 * @author  psoares
 */
public class OutputStreamCounter extends OutputStream {
    
    protected OutputStream out;
    protected int counter = 0;
    
    /** Creates a new instance of OutputStreamCounter */
    public OutputStreamCounter(OutputStream out) {
        this.out = out;
    }
    
    /** Closes this output stream and releases any system resources
     * associated with this stream. The general contract of <code>close</code>
     * is that it closes the output stream. A closed stream cannot perform
     * output operations and cannot be reopened.
     * <p>
     * The <code>close</code> method of <code>OutputStream</code> does nothing.
     *
     * @exception  IOException  if an I/O error occurs.
     *
     */
    public void close() throws IOException {
        out.close();
    }
    
    /** Flushes this output stream and forces any buffered output bytes
     * to be written out. The general contract of <code>flush</code> is
     * that calling it is an indication that, if any bytes previously
     * written have been buffered by the implementation of the output
     * stream, such bytes should immediately be written to their
     * intended destination.
     * <p>
     * The <code>flush</code> method of <code>OutputStream</code> does nothing.
     *
     * @exception  IOException  if an I/O error occurs.
     *
     */
    public void flush() throws IOException {
        out.flush();
    }
    
    /** Writes <code>b.length</code> bytes from the specified byte array
     * to this output stream. The general contract for <code>write(b)</code>
     * is that it should have exactly the same effect as the call
     * <code>write(b, 0, b.length)</code>.
     *
     * @param      b   the data.
     * @exception  IOException  if an I/O error occurs.
     * @see        java.io.OutputStream#write(byte[], int, int)
     *
     */
    public void write(byte[] b) throws IOException {
        counter += b.length;
        out.write(b);
    }
    
    /** Writes the specified byte to this output stream. The general
     * contract for <code>write</code> is that one byte is written
     * to the output stream. The byte to be written is the eight
     * low-order bits of the argument <code>b</code>. The 24
     * high-order bits of <code>b</code> are ignored.
     * <p>
     * Subclasses of <code>OutputStream</code> must provide an
     * implementation for this method.
     *
     * @param      b   the <code>byte</code>.
     * @exception  IOException  if an I/O error occurs. In particular,
     *             an <code>IOException</code> may be thrown if the
     *             output stream has been closed.
     *
     */
    public void write(int b) throws IOException {
        ++counter;
        out.write(b);
    }
    
    /** Writes <code>len</code> bytes from the specified byte array
     * starting at offset <code>off</code> to this output stream.
     * The general contract for <code>write(b, off, len)</code> is that
     * some of the bytes in the array <code>b</code> are written to the
     * output stream in order; element <code>b[off]</code> is the first
     * byte written and <code>b[off+len-1]</code> is the last byte written
     * by this operation.
     * <p>
     * The <code>write</code> method of <code>OutputStream</code> calls
     * the write method of one argument on each of the bytes to be
     * written out. Subclasses are encouraged to override this method and
     * provide a more efficient implementation.
     * <p>
     * If <code>b</code> is <code>null</code>, a
     * <code>NullPointerException</code> is thrown.
     * <p>
     * If <code>off</code> is negative, or <code>len</code> is negative, or
     * <code>off+len</code> is greater than the length of the array
     * <code>b</code>, then an <tt>IndexOutOfBoundsException</tt> is thrown.
     *
     * @param      b     the data.
     * @param      off   the start offset in the data.
     * @param      len   the number of bytes to write.
     * @exception  IOException  if an I/O error occurs. In particular,
     *             an <code>IOException</code> is thrown if the output
     *             stream is closed.
     *
     */
    public void write(byte[] b, int off, int len) throws IOException {
        counter += len;
        out.write(b, off, len);
    }
    
    public int getCounter() {
        return counter;
    }
    
    public void resetCounter() {
        counter = 0;
    }
}








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		* Copyright 2004 by Paulo Soares.
3		*
4		* The contents of this file are subject to the Mozilla Public License Version 1.1
5		* (the "License"); you may not use this file except in compliance with the License.
6		* You may obtain a copy of the License at http://www.mozilla.org/MPL/
7		*
8		* Software distributed under the License is distributed on an "AS IS" basis,
9		* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
10		* for the specific language governing rights and limitations under the License.
11		*
12		* The Original Code is 'iText, a free JAVA-PDF library'.
13		*
14		* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
15		* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
16		* All Rights Reserved.
17		* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
18		* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
19		*
20		* Contributor(s): all the names of the contributors are added in the source code
21		* where applicable.
22		*
23		* Alternatively, the contents of this file may be used under the terms of the
24		* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
25		* provisions of LGPL are applicable instead of those above. If you wish to
26		* allow use of your version of this file only under the terms of the LGPL
27		* License and not to allow others to use your version of this file under
28		* the MPL, indicate your decision by deleting the provisions above and
29		* replace them with the notice and other provisions required by the LGPL.
30		* If you do not delete the provisions above, a recipient may use your version
31		* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
32		*
33		* This library is free software; you can redistribute it and/or modify it
34		* under the terms of the MPL as stated above or under the terms of the GNU
35		* Library General Public License as published by the Free Software Foundation;
36		* either version 2 of the License, or any later version.
37		*
38		* This library is distributed in the hope that it will be useful, but WITHOUT
39		* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
40		* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
41		* details.
42		*
43		* If you didn't download this code from the following link, you should check if
44		* you aren't using an obsolete version:
45		* http://www.lowagie.com/iText/
46		*/
47		package com.lowagie.text.pdf;
48		import java.io.IOException;
49		import java.io.OutputStream;
50
51		/**
52		*
53		* @author psoares
54		*/
55		public class OutputStreamCounter extends OutputStream {
56
57		protected OutputStream out;
58		protected int counter = 0;
59
60		/** Creates a new instance of OutputStreamCounter */
61		public OutputStreamCounter(OutputStream out) {
62		this.out = out;
63		}
64
65		/** Closes this output stream and releases any system resources
66		* associated with this stream. The general contract of <code>close</code>
67		* is that it closes the output stream. A closed stream cannot perform
68		* output operations and cannot be reopened.
69		* <p>
70		* The <code>close</code> method of <code>OutputStream</code> does nothing.
71		*
72		* @exception IOException if an I/O error occurs.
73		*
74		*/
75		public void close() throws IOException {
76		out.close();
77		}
78
79		/** Flushes this output stream and forces any buffered output bytes
80		* to be written out. The general contract of <code>flush</code> is
81		* that calling it is an indication that, if any bytes previously
82		* written have been buffered by the implementation of the output
83		* stream, such bytes should immediately be written to their
84		* intended destination.
85		* <p>
86		* The <code>flush</code> method of <code>OutputStream</code> does nothing.
87		*
88		* @exception IOException if an I/O error occurs.
89		*
90		*/
91		public void flush() throws IOException {
92		out.flush();
93		}
94
95		/** Writes <code>b.length</code> bytes from the specified byte array
96		* to this output stream. The general contract for <code>write(b)</code>
97		* is that it should have exactly the same effect as the call
98		* <code>write(b, 0, b.length)</code>.
99		*
100		* @param b the data.
101		* @exception IOException if an I/O error occurs.
102		* @see java.io.OutputStream#write(byte[], int, int)
103		*
104		*/
105		public void write(byte[] b) throws IOException {
106	1 1. write : Replaced integer addition with subtraction → NO_COVERAGE	counter += b.length;
107	1 1. write : removed call to java/io/OutputStream::write → NO_COVERAGE	out.write(b);
108		}
109
110		/** Writes the specified byte to this output stream. The general
111		* contract for <code>write</code> is that one byte is written
112		* to the output stream. The byte to be written is the eight
113		* low-order bits of the argument <code>b</code>. The 24
114		* high-order bits of <code>b</code> are ignored.
115		* <p>
116		* Subclasses of <code>OutputStream</code> must provide an
117		* implementation for this method.
118		*
119		* @param b the <code>byte</code>.
120		* @exception IOException if an I/O error occurs. In particular,
121		* an <code>IOException</code> may be thrown if the
122		* output stream has been closed.
123		*
124		*/
125		public void write(int b) throws IOException {
126	1 1. write : Replaced integer addition with subtraction → NO_COVERAGE	++counter;
127	1 1. write : removed call to java/io/OutputStream::write → NO_COVERAGE	out.write(b);
128		}
129
130		/** Writes <code>len</code> bytes from the specified byte array
131		* starting at offset <code>off</code> to this output stream.
132		* The general contract for <code>write(b, off, len)</code> is that
133		* some of the bytes in the array <code>b</code> are written to the
134		* output stream in order; element <code>b[off]</code> is the first
135		* byte written and <code>b[off+len-1]</code> is the last byte written
136		* by this operation.
137		* <p>
138		* The <code>write</code> method of <code>OutputStream</code> calls
139		* the write method of one argument on each of the bytes to be
140		* written out. Subclasses are encouraged to override this method and
141		* provide a more efficient implementation.
142		* <p>
143		* If <code>b</code> is <code>null</code>, a
144		* <code>NullPointerException</code> is thrown.
145		* <p>
146		* If <code>off</code> is negative, or <code>len</code> is negative, or
147		* <code>off+len</code> is greater than the length of the array
148		* <code>b</code>, then an <tt>IndexOutOfBoundsException</tt> is thrown.
149		*
150		* @param b the data.
151		* @param off the start offset in the data.
152		* @param len the number of bytes to write.
153		* @exception IOException if an I/O error occurs. In particular,
154		* an <code>IOException</code> is thrown if the output
155		* stream is closed.
156		*
157		*/
158		public void write(byte[] b, int off, int len) throws IOException {
159	1 1. write : Replaced integer addition with subtraction → NO_COVERAGE	counter += len;
160	1 1. write : removed call to java/io/OutputStream::write → NO_COVERAGE	out.write(b, off, len);
161		}
162
163		public int getCounter() {
164		return counter;
165		}
166
167		public void resetCounter() {
168		counter = 0;
169		}
170		}
		Mutations
106		1.1 Location : write Killed by : none Replaced integer addition with subtraction → NO_COVERAGE
107		1.1 Location : write Killed by : none removed call to java/io/OutputStream::write → NO_COVERAGE
126		1.1 Location : write Killed by : none Replaced integer addition with subtraction → NO_COVERAGE
127		1.1 Location : write Killed by : none removed call to java/io/OutputStream::write → NO_COVERAGE
159		1.1 Location : write Killed by : none Replaced integer addition with subtraction → NO_COVERAGE
160		1.1 Location : write Killed by : none removed call to java/io/OutputStream::write → NO_COVERAGE

OutputStreamCounter.java

Mutations

Active mutators

Tests examined