Prof. Guido Russo - Scope - Università degli Studi di Napoli Federico II

*/
protected boolean addFarm(String farmName) {
try {
if (this.device.getElementById(farmName) == null)
{Element node = this.device.createElement("device");
node.setAttribute("name", farmName);
node.setAttribute("type", "farm");
node.setIdAttribute("name", true);
Element actionElement = this.device.createElement("action");
Element onElement = this.device.createElement("on");
onElement.setAttribute("plugin", "");
Element offSoftElement = this.device.createElement("off-soft");
offSoftElement.setAttribute("plugin", "");
Element offHardElement = this.device.createElement("off-hard");
offHardElement.setAttribute("plugin", "");
Element checkOnElement = this.device.createElement("check-on");
checkOnElement.setAttribute("plugin", "");
Element checkOffElement = this.device.createElement("check-off");
checkOffElement.setAttribute("plugin", "");
actionElement.appendChild(onElement);
actionElement.appendChild(offSoftElement);
actionElement.appendChild(offHardElement);
actionElement.appendChild(checkOnElement);
actionElement.appendChild(checkOffElement);
node.appendChild(actionElement);
this.device.getLastChild().appendChild(node);
this.device.normalize();
Document tmp = saveDocument(this.device, this.deviceFile,
this.deviceDtdFileName);
if (tmp != null)
this.device = tmp;
else
return false;
}
}
catch (Exception e) {
return false;
}
return true;
}
/**
* Restituisce tutte le dipendenze del dispositivo deviceName
* @param String deviceName
* @param boolean incoming
* @return String[]
*/
public String[] getDependenciesOfDevice(String deviceName, boolean incoming) {
ArrayList names = new ArrayList();
NodeList nodes = (incoming)
XPath("dependencies/arc[@target=\"" + deviceName + "\"]/@source",
this.dependency) :
XPath("dependencies/arc[@source=\"" + deviceName +
"\"]/@target", this.dependency);
for (int i = 0; i < nodes.getLength(); ++i) {
String dep = nodes.item(i).getNodeValue();
if (!(Arrays.asList(getFarms()).contains(dep)))
names.add(dep);
}
return ((String[])names.toArray(new String[0]));
}
protected String[] getAllDepthDependenciesOfDevice(String name, ArrayList reached,
boolean incoming) {
for (String child : getDependenciesOfDevice(name, incoming)) {
getAllDepthDependenciesOfDevice(child, reached, incoming);
}
reached.add(name);
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