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package sun.tools.jstat;

import sun.jvmstat.monitor.*;

A class for applying an OptionFormat to a particular context, the context of the available Instrumentation for a monitorable Java Virtual Machine.
Author:Brian Doherty
Since:1.5
/** * A class for applying an OptionFormat to a particular context, the context * of the available Instrumentation for a monitorable Java Virtual Machine. * * @author Brian Doherty * @since 1.5 */
public class OptionOutputFormatter implements OutputFormatter { private OptionFormat format; private String header; private MonitoredVm vm; public OptionOutputFormatter(MonitoredVm vm, OptionFormat format) throws MonitorException { this.vm = vm; this.format = format; resolve(); } private void resolve() throws MonitorException { ExpressionEvaluator ee = new ExpressionResolver(vm); SymbolResolutionClosure ec = new SymbolResolutionClosure(ee); format.apply(ec); } public String getHeader() throws MonitorException { if (header == null) { HeaderClosure hc = new HeaderClosure(); format.apply(hc); header = hc.getHeader(); } return header; } public String getRow() throws MonitorException { RowClosure rc = new RowClosure(vm); format.apply(rc); return rc.getRow(); } }