70 lines
2.4 KiB
Java
70 lines
2.4 KiB
Java
/*
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* Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.tools.jstat;
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import sun.jvmstat.monitor.*;
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/**
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* A class for applying an OptionFormat to a particular context, the context
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* of the available Instrumentation for a monitorable Java Virtual Machine.
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*
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* @author Brian Doherty
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* @since 1.5
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*/
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public class OptionOutputFormatter implements OutputFormatter {
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private OptionFormat format;
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private String header;
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private MonitoredVm vm;
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public OptionOutputFormatter(MonitoredVm vm, OptionFormat format)
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throws MonitorException {
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this.vm = vm;
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this.format = format;
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resolve();
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}
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private void resolve() throws MonitorException {
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ExpressionEvaluator ee = new ExpressionResolver(vm);
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SymbolResolutionClosure ec = new SymbolResolutionClosure(ee);
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format.apply(ec);
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}
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public String getHeader() throws MonitorException {
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if (header == null) {
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HeaderClosure hc = new HeaderClosure();
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format.apply(hc);
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header = hc.getHeader();
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}
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return header;
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}
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public String getRow() throws MonitorException {
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RowClosure rc = new RowClosure(vm);
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format.apply(rc);
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return rc.getRow();
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}
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}
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