/********************************************************* begin of preamble
**
** Copyright (C) 2003-2010 Software- und Organisations-Service GmbH.
** All rights reserved.
**
** This file may be used under the terms of either the
**
** GNU General Public License version 2.0 (GPL)
**
** as published by the Free Software Foundation
** http://www.gnu.org/licenses/gpl-2.0.txt and appearing in the file
** LICENSE.GPL included in the packaging of this file.
**
** or the
**
** Agreement for Purchase and Licensing
**
** as offered by Software- und Organisations-Service GmbH
** in the respective terms of supply that ship with this file.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
** IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
** THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
** BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
** POSSIBILITY OF SUCH DAMAGE.
********************************************************** end of preamble*/
package com.sos.scheduler.engine.kernel.plugin;
import com.sos.scheduler.engine.kernel.command.SingleCommandXmlParser;
import com.sos.scheduler.engine.kernel.SchedulerException;
import com.sos.scheduler.engine.kernel.command.Command;
import java.util.Collection;
import org.w3c.dom.Element;
import static com.sos.scheduler.engine.kernel.util.XmlUtils.*;
class PlugInCommandCommandXmlParser extends SingleCommandXmlParser {
private final PlugInSubsystem subsystem;
PlugInCommandCommandXmlParser(PlugInSubsystem subsystem) {
super("plugin.command");
this.subsystem = subsystem;
}
@Override public final Command parse(Element e) {
String className = e.getAttribute("plugin_class");
CommandPluginAdapter a = subsystem.commandPluginByClassName(className);
Command subcommand = a.getCommandDispatcher().parse(singleSubcommandElement(e));
return new PlugInCommandCommand(className, subcommand);
}
private Element singleSubcommandElement(Element commandElement) {
Collection<Element> childElements = elementsXPath(commandElement, "*");
if (childElements.size() != 1)
throw new NotASingleSubcommandException(commandElement.getNodeName());
return childElements.iterator().next();
}
static final class NotASingleSubcommandException extends SchedulerException {
private NotASingleSubcommandException(String cmdName) {
super("Command " + cmdName + " has not exactly one subcommand");
}
}
}