1/*
2 * Copyright (c) 2004, 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
23 * questions.
24 */
25
26package sun.tools.jstat;
27
28import java.util.*;
29import sun.jvmstat.monitor.*;
30
31/**
32 * A class for formatting raw counter output.
33 *
34 * @author Brian Doherty
35 * @since 1.5
36 */
37public class RawOutputFormatter implements OutputFormatter {
38    private List<Monitor> logged;
39    private String header;
40    private boolean printStrings;
41
42    public RawOutputFormatter(List<Monitor> logged, boolean printStrings) {
43        this.logged = logged;
44        this.printStrings = printStrings;
45    }
46
47    public String getHeader() throws MonitorException {
48        if (header == null) {
49            // build the header string and prune out any unwanted monitors
50            StringBuilder headerBuilder = new StringBuilder();
51            for (Iterator<Monitor> i = logged.iterator(); i.hasNext(); /* empty */ ) {
52                Monitor m = i.next();
53                headerBuilder.append(m.getName()).append(' ');
54            }
55            header = headerBuilder.toString();
56        }
57        return header;
58    }
59
60    public String getRow() throws MonitorException {
61        StringBuilder row = new StringBuilder();
62        int count = 0;
63        for (Iterator<Monitor> i = logged.iterator(); i.hasNext(); /* empty */ ) {
64            Monitor m = i.next();
65            if (count++ > 0) {
66                row.append(" ");
67            }
68            if (printStrings && m instanceof StringMonitor) {
69                row.append("\"").append(m.getValue()).append("\"");
70            } else {
71                row.append(m.getValue());
72            }
73        }
74        return row.toString();
75    }
76}
77