1 /*
2 * Copyright (c) 1996, 2005, 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
42
43 /**
44 * The underlying character-input stream.
45 */
46 protected Reader in;
47
48 /**
49 * Creates a new filtered reader.
50 *
51 * @param in a Reader object providing the underlying stream.
52 * @throws NullPointerException if <code>in</code> is <code>null</code>
53 */
54 protected FilterReader(Reader in) {
55 super(in);
56 this.in = in;
57 }
58
59 /**
60 * Reads a single character.
61 *
62 * @exception IOException If an I/O error occurs
63 */
64 public int read() throws IOException {
65 return in.read();
66 }
67
68 /**
69 * Reads characters into a portion of an array.
70 *
71 * @exception IOException If an I/O error occurs
72 * @exception IndexOutOfBoundsException {@inheritDoc}
73 */
74 public int read(char cbuf[], int off, int len) throws IOException {
75 return in.read(cbuf, off, len);
76 }
77
78 /**
79 * Skips characters.
80 *
81 * @exception IOException If an I/O error occurs
82 */
83 public long skip(long n) throws IOException {
84 return in.skip(n);
85 }
86
87 /**
88 * Tells whether this stream is ready to be read.
89 *
90 * @exception IOException If an I/O error occurs
91 */
92 public boolean ready() throws IOException {
93 return in.ready();
94 }
95
96 /**
97 * Tells whether this stream supports the mark() operation.
98 */
99 public boolean markSupported() {
100 return in.markSupported();
101 }
102
103 /**
104 * Marks the present position in the stream.
105 *
106 * @exception IOException If an I/O error occurs
107 */
108 public void mark(int readAheadLimit) throws IOException {
109 in.mark(readAheadLimit);
110 }
111
112 /**
113 * Resets the stream.
114 *
115 * @exception IOException If an I/O error occurs
116 */
117 public void reset() throws IOException {
118 in.reset();
119 }
120
121 public void close() throws IOException {
122 in.close();
123 }
124
125 }
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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
42
43 /**
44 * The underlying character-input stream.
45 */
46 protected Reader in;
47
48 /**
49 * Creates a new filtered reader.
50 *
51 * @param in a Reader object providing the underlying stream.
52 * @throws NullPointerException if <code>in</code> is <code>null</code>
53 */
54 protected FilterReader(Reader in) {
55 super(in);
56 this.in = in;
57 }
58
59 /**
60 * Reads a single character.
61 *
62 * @throws IOException If an I/O error occurs
63 */
64 public int read() throws IOException {
65 return in.read();
66 }
67
68 /**
69 * Reads characters into a portion of an array.
70 *
71 * @throws IOException If an I/O error occurs
72 * @throws IndexOutOfBoundsException {@inheritDoc}
73 */
74 public int read(char cbuf[], int off, int len) throws IOException {
75 return in.read(cbuf, off, len);
76 }
77
78 /**
79 * Skips characters.
80 *
81 * @throws IOException If an I/O error occurs
82 */
83 public long skip(long n) throws IOException {
84 return in.skip(n);
85 }
86
87 /**
88 * Tells whether this stream is ready to be read.
89 *
90 * @throws IOException If an I/O error occurs
91 */
92 public boolean ready() throws IOException {
93 return in.ready();
94 }
95
96 /**
97 * Tells whether this stream supports the mark() operation.
98 */
99 public boolean markSupported() {
100 return in.markSupported();
101 }
102
103 /**
104 * Marks the present position in the stream.
105 *
106 * @throws IOException If an I/O error occurs
107 */
108 public void mark(int readAheadLimit) throws IOException {
109 in.mark(readAheadLimit);
110 }
111
112 /**
113 * Resets the stream.
114 *
115 * @throws IOException If an I/O error occurs
116 */
117 public void reset() throws IOException {
118 in.reset();
119 }
120
121 public void close() throws IOException {
122 in.close();
123 }
124
125 }
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