1 /*
2 * Copyright (c) 2007, 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
85
86 @Override
87 public synchronized void reset() throws IOException {
88 raf.seek(mark);
89 left = markleft;
90 }
91
92 @Override
93 public long skip(long n) throws IOException {
94 if( n < 0)
95 return 0;
96 if (n > left)
97 n = left;
98 long p = raf.getFilePointer();
99 raf.seek(p + n);
100 left -= n;
101 return n;
102 }
103
104 @Override
105 public int read(byte b[], int off, int len) throws IOException {
106 if (len > left)
107 len = (int)left;
108 if (left == 0)
109 return -1;
110 len = raf.read(b, off, len);
111 if (len == -1)
112 return -1;
113 left -= len;
114 return len;
115 }
116
117 @Override
118 public int read(byte[] b) throws IOException {
119 int len = b.length;
120 if (len > left)
121 len = (int)left;
122 if (left == 0)
123 return -1;
124 len = raf.read(b, 0, len);
125 if (len == -1)
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1 /*
2 * Copyright (c) 2007, 2018, 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
85
86 @Override
87 public synchronized void reset() throws IOException {
88 raf.seek(mark);
89 left = markleft;
90 }
91
92 @Override
93 public long skip(long n) throws IOException {
94 if( n < 0)
95 return 0;
96 if (n > left)
97 n = left;
98 long p = raf.getFilePointer();
99 raf.seek(p + n);
100 left -= n;
101 return n;
102 }
103
104 @Override
105 public int read(byte[] b, int off, int len) throws IOException {
106 if (len > left)
107 len = (int)left;
108 if (left == 0)
109 return -1;
110 len = raf.read(b, off, len);
111 if (len == -1)
112 return -1;
113 left -= len;
114 return len;
115 }
116
117 @Override
118 public int read(byte[] b) throws IOException {
119 int len = b.length;
120 if (len > left)
121 len = (int)left;
122 if (left == 0)
123 return -1;
124 len = raf.read(b, 0, len);
125 if (len == -1)
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