Showing the changes to java/pkg/sun/tools/jstat/OptionOutputFormatter.java (1 of 18352 files). Show all
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| 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 sun.jvmstat.monitor.*; | |
| 29 | + | |
| 30 | +/** | |
| 31 | + * A class for applying an OptionFormat to a particular context, the context | |
| 32 | + * of the available Instrumentation for a monitorable Java Virtual Machine. | |
| 33 | + * | |
| 34 | + * @author Brian Doherty | |
| 35 | + * @since 1.5 | |
| 36 | + */ | |
| 37 | +public class OptionOutputFormatter implements OutputFormatter { | |
| 38 | + private OptionFormat format; | |
| 39 | + private String header; | |
| 40 | + private MonitoredVm vm; | |
| 41 | + | |
| 42 | + public OptionOutputFormatter(MonitoredVm vm, OptionFormat format) | |
| 43 | + throws MonitorException { | |
| 44 | + this.vm = vm; | |
| 45 | + this.format = format; | |
| 46 | + resolve(); | |
| 47 | + } | |
| 48 | + | |
| 49 | + private void resolve() throws MonitorException { | |
| 50 | + ExpressionEvaluator ee = new ExpressionResolver(vm); | |
| 51 | + SymbolResolutionClosure ec = new SymbolResolutionClosure(ee); | |
| 52 | + format.apply(ec); | |
| 53 | + } | |
| 54 | + | |
| 55 | + public String getHeader() throws MonitorException { | |
| 56 | + if (header == null) { | |
| 57 | + HeaderClosure hc = new HeaderClosure(); | |
| 58 | + format.apply(hc); | |
| 59 | + header = hc.getHeader(); | |
| 60 | + } | |
| 61 | + return header; | |
| 62 | + } | |
| 63 | + | |
| 64 | + public String getRow() throws MonitorException { | |
| 65 | + RowClosure rc = new RowClosure(vm); | |
| 66 | + format.apply(rc); | |
| 67 | + return rc.getRow(); | |
| 68 | + } | |
| 69 | +} | |