/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.enterprise.agent.promptcmd;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import mazz.i18n.Msg;
import org.rhq.core.system.ProcessInfo;
import org.rhq.core.system.SystemInfo;
import org.rhq.core.system.SystemInfoFactory;
import org.rhq.core.system.pquery.ProcessInfoQuery;
import org.rhq.enterprise.agent.AgentMain;
import org.rhq.enterprise.agent.i18n.AgentI18NFactory;
import org.rhq.enterprise.agent.i18n.AgentI18NResourceKeys;
public class PiqlPromptCommand implements AgentPromptCommand {
/**
* The object used to get I18N messages suitable for displaying to the user.
*/
private static final Msg MSG = AgentI18NFactory.getMsg();
public String getPromptCommandString() {
return MSG.getMsg(AgentI18NResourceKeys.PIQL);
}
public boolean execute(AgentMain agent, String[] args) {
PrintWriter out = agent.getOut();
boolean verbose = false;
String piql;
if (args.length == 2) {
piql = args[1];
} else if ((args.length == 3) && args[1].equals(MSG.getMsg(AgentI18NResourceKeys.PIQL_VERBOSE))) {
piql = args[2];
verbose = true;
} else {
out.println(MSG.getMsg(AgentI18NResourceKeys.HELP_SYNTAX_LABEL, getSyntax()));
return true;
}
try {
SystemInfo info = SystemInfoFactory.createSystemInfo();
List<ProcessInfo> processes = info.getAllProcesses();
ProcessInfoQuery query = new ProcessInfoQuery(processes);
List<ProcessInfo> results = query.query(piql);
out.println(MSG.getMsg(AgentI18NResourceKeys.PIQL_RESULTS_HEADER, piql));
for (ProcessInfo process : results) {
if (verbose) {
out.println(MSG.getMsg(AgentI18NResourceKeys.PIQL_RESULTS_FULL, process.getPid(), process
.getParentPid(), process.getName(), new Date(process.getTime().getStartTime()), process
.getTime().getSys(), process.getTime().getUser(), Arrays.toString(process.getCommandLine())));
} else {
out.println(MSG.getMsg(AgentI18NResourceKeys.PIQL_RESULTS_SHORT, process.getPid(), process
.getName()));
}
}
} catch (UnsupportedOperationException uoe) {
out.println(MSG.getMsg(AgentI18NResourceKeys.PIQL_NO_NATIVE_SUPPORT, uoe.getMessage()));
} catch (Exception e) {
out.println(MSG.getMsg(AgentI18NResourceKeys.PIQL_FAILURE, e.getMessage()));
}
return true;
}
public String getSyntax() {
return MSG.getMsg(AgentI18NResourceKeys.PIQL_SYNTAX);
}
public String getHelp() {
return MSG.getMsg(AgentI18NResourceKeys.PIQL_HELP);
}
public String getDetailedHelp() {
return MSG.getMsg(AgentI18NResourceKeys.PIQL_DETAILED_HELP);
}
}