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 26 package sun.tools.jstat; 27 28 import java.util.*; 29 import sun.jvmstat.monitor.*; 30 31 /** 32 * A class for formatting raw counter output. 33 * 34 * @author Brian Doherty 35 * @since 1.5 36 */ 37 public 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 }