0N/A/*
2362N/A * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
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0N/A */
0N/A
0N/Apackage sun.tools.jstat;
0N/A
0N/Aimport java.text.*;
0N/Aimport sun.jvmstat.monitor.*;
0N/A
0N/A/**
0N/A * A class implementing the Closure interface for iterating over the
0N/A * specified columns of data and generating the columnized string of
0N/A * data representing a row of output for the form.
0N/A *
0N/A * @author Brian Doherty
0N/A * @since 1.5
0N/A */
0N/Apublic class RowClosure implements Closure {
0N/A private MonitoredVm vm;
0N/A private StringBuilder row = new StringBuilder();
0N/A
0N/A public RowClosure(MonitoredVm vm) {
0N/A this.vm = vm;
0N/A }
0N/A
0N/A public void visit(Object o, boolean hasNext) throws MonitorException {
0N/A if (! (o instanceof ColumnFormat)) {
0N/A return;
0N/A }
0N/A
0N/A ColumnFormat c = (ColumnFormat)o;
0N/A String s = null;
0N/A
0N/A Expression e = c.getExpression();
0N/A ExpressionEvaluator ee = new ExpressionExecuter(vm);
0N/A Object value = ee.evaluate(e);
0N/A
0N/A if (value instanceof String) {
0N/A s = (String)value;
0N/A } else if (value instanceof Number) {
0N/A double d = ((Number)value).doubleValue();
0N/A double scaledValue = c.getScale().scale(d);
0N/A DecimalFormat df = new DecimalFormat(c.getFormat());
0N/A s = df.format(scaledValue);
0N/A }
0N/A
0N/A c.setPreviousValue(value);
0N/A s = c.getAlignment().align(s, c.getWidth());
0N/A row.append(s);
0N/A if (hasNext) {
0N/A row.append(" ");
0N/A }
0N/A }
0N/A
0N/A public String getRow() {
0N/A return row.toString();
0N/A }
0N/A}