libreccm-legacy/ccm-core/src/com/arsdigita/packaging/Set.java

127 lines
3.8 KiB
Java
Executable File

/*
* Copyright (C) 2003-2004 Red Hat Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package com.arsdigita.packaging;
import com.arsdigita.runtime.ConfigRegistry;
import com.arsdigita.util.JavaPropertyReader;
import java.io.IOException;
import java.util.Iterator;
import java.util.Properties;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.commons.cli.PosixParser;
/**
* Set
*
* Implements the command line interface to modify one or more values
* in a CCM configuration database (registry)
*
* Called by ccm set command
*
* @author Rafael H. Schloming <rhs@mit.edu>
* @version $Revision: #7 $ $Date: 2004/08/16 $
**/
class Set extends Command {
public final static String versionId =
"$Id: Set.java 736 2005-09-01 10:46:05Z sskracic $" +
" by $Author: sskracic $, " +
"$DateTime: 2004/08/16 18:10:38 $";
private static final Options OPTIONS = getOptions();
static {
OPTIONS.addOption
(OptionBuilder
.hasArg(false)
.withLongOpt("interactive")
.withDescription("Interactively edit configuration values")
.create());
}
public Set() {
super("set", "Set one or more values in a CCM configuration database");
}
public boolean run(String[] args) {
CommandLine line;
try {
line = new PosixParser().parse(OPTIONS, args);
} catch (ParseException e) {
System.err.println(e.getMessage());
return false;
}
if (args.length == 0) {
usage(OPTIONS, System.err, "[KEY=VALUE...]");
return false;
}
if (line.hasOption("usage") || line.hasOption("help")) {
usage(OPTIONS, System.out, "[KEY=VALUE...]");
return true;
}
ConfigRegistry reg = new ConfigRegistry();
Config config = new Config(reg);
config.load(System.err);
Properties props = Load.props(line.getArgs());
boolean valid = true;
for (Iterator it = props.keySet().iterator(); it.hasNext(); ) {
String param = (String) it.next();
if (config.getParameter(param) == null) {
System.out.println("no such parameter: " + param);
valid = false;
}
}
if (!valid) { return false; }
if (!config.load(new JavaPropertyReader(props), System.err)) {
return false;
}
if (line.hasOption("interactive")) {
ParameterEditor editor = new ParameterEditor
(config, System.in, System.out);
if (!editor.edit()) {
return true;
}
} else if (!config.validate(System.err)) {
return false;
}
try {
config.save();
} catch (IOException e) {
System.err.println(e.getMessage());
return false;
}
return true;
}
}