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