1 /*
2 * Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
45 * The buffer where data is stored.
46 */
47 protected char buf[];
48
49 /**
50 * The number of chars in the buffer.
51 */
52 protected int count;
53
54 /**
55 * Creates a new CharArrayWriter.
56 */
57 public CharArrayWriter() {
58 this(32);
59 }
60
61 /**
62 * Creates a new CharArrayWriter with the specified initial size.
63 *
64 * @param initialSize an int specifying the initial buffer size.
65 * @exception IllegalArgumentException if initialSize is negative
66 */
67 public CharArrayWriter(int initialSize) {
68 if (initialSize < 0) {
69 throw new IllegalArgumentException("Negative initial size: "
70 + initialSize);
71 }
72 buf = new char[initialSize];
73 }
74
75 /**
76 * Writes a character to the buffer.
77 */
78 public void write(int c) {
79 synchronized (lock) {
80 int newcount = count + 1;
81 if (newcount > buf.length) {
82 buf = Arrays.copyOf(buf, Math.max(buf.length << 1, newcount));
83 }
84 buf[count] = (char)c;
85 count = newcount;
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1 /*
2 * Copyright (c) 1996, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
45 * The buffer where data is stored.
46 */
47 protected char buf[];
48
49 /**
50 * The number of chars in the buffer.
51 */
52 protected int count;
53
54 /**
55 * Creates a new CharArrayWriter.
56 */
57 public CharArrayWriter() {
58 this(32);
59 }
60
61 /**
62 * Creates a new CharArrayWriter with the specified initial size.
63 *
64 * @param initialSize an int specifying the initial buffer size.
65 * @throws IllegalArgumentException if initialSize is negative
66 */
67 public CharArrayWriter(int initialSize) {
68 if (initialSize < 0) {
69 throw new IllegalArgumentException("Negative initial size: "
70 + initialSize);
71 }
72 buf = new char[initialSize];
73 }
74
75 /**
76 * Writes a character to the buffer.
77 */
78 public void write(int c) {
79 synchronized (lock) {
80 int newcount = count + 1;
81 if (newcount > buf.length) {
82 buf = Arrays.copyOf(buf, Math.max(buf.length << 1, newcount));
83 }
84 buf[count] = (char)c;
85 count = newcount;
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