/* * Copyright (c) 2004, 2010, 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.util.*;import java.net.*;import java.io.*;/** * A class for finding a specific special option in the jstat_options file. * * @author Brian Doherty * @since 1.5 */public class OptionFinder { private static final boolean debug = false; List<URL> optionsSources; public OptionFinder(List<URL> optionsSources) { this.optionsSources = optionsSources; } public OptionFormat getOptionFormat(String option, boolean useTimestamp) { OptionFormat of = getOptionFormat(option, optionsSources); OptionFormat tof = null; if ((of != null) && (useTimestamp)) { // prepend the timestamp column as first column tof = getOptionFormat("timestamp", optionsSources); if (tof != null) { ColumnFormat cf = (ColumnFormat)tof.getSubFormat(0); of.insertSubFormat(0, cf); } } return of; } protected OptionFormat getOptionFormat(String option, List<URL> sources) { OptionFormat of = null; for (URL u : sources) { try { Reader r = new BufferedReader( new InputStreamReader(u.openStream())); of = new Parser(r).parse(option); if (of != null) break; } catch (IOException e) { if (debug) { System.err.println("Error processing " + u + " : " + e.getMessage()); e.printStackTrace(); } } catch (ParserException e) { // Exception in parsing the options file. System.err.println(u + ": " + e.getMessage()); System.err.println("Parsing of " + u + " aborted"); } } return of; }}
/*
* Copyright (c) 2004, 2010, 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.util.*;
import java.net.*;
import java.io.*;
/**
* A class for finding a specific special option in the jstat_options file.
*
* @author Brian Doherty
* @since 1.5
*/
public class OptionFinder {
private static final boolean debug = false;
List<URL> optionsSources;
public OptionFinder(List<URL> optionsSources) {
this.optionsSources = optionsSources;
}
public OptionFormat getOptionFormat(String option, boolean useTimestamp) {
OptionFormat of = getOptionFormat(option, optionsSources);
OptionFormat tof = null;
if ((of != null) && (useTimestamp)) {
// prepend the timestamp column as first column
tof = getOptionFormat("timestamp", optionsSources);
if (tof != null) {
ColumnFormat cf = (ColumnFormat)tof.getSubFormat(0);
of.insertSubFormat(0, cf);
}
}
return of;
}
protected OptionFormat getOptionFormat(String option, List<URL> sources) {
OptionFormat of = null;
for (URL u : sources) {
try {
Reader r = new BufferedReader(
new InputStreamReader(u.openStream()));
of = new Parser(r).parse(option);
if (of != null)
break;
} catch (IOException e) {
if (debug) {
System.err.println("Error processing " + u
+ " : " + e.getMessage());
e.printStackTrace();
}
} catch (ParserException e) {
// Exception in parsing the options file.
System.err.println(u + ": " + e.getMessage());
System.err.println("Parsing of " + u + " aborted");
}
}
return of;
}
}