@Override
public String getDataTypeKeyList() throws CommonException {
String result = null;
Topic t = this.getTopic();
if (t != null) {
result = super.getKeyList(t);
t.free();
} else {
throw new CommonException("Data type could not be retrieved.");
}
return result;
}
@Override
public synchronized int export(File file) throws CommonException {
Topic top;
TopicQoS qos;
QoSSerializer ser;
OutputStreamWriter fw = null;
String xmlQos;
Sample sample;
SampleSerializer sampleSer;
int i = 0;
if (!file.exists()) {
try {
file.createNewFile();
} catch (IOException e1) {
throw new CommonException("Cannot create file.");
}
}
if ((!file.canRead()) || !(file.canWrite())) {
throw new CommonException("Cannot open file (insufficient rights).");
}
try {
ser = DataTransformerFactory.getQoSSerializer(DataTransformerFactory.XML);
sampleSer = DataTransformerFactory.getSampleSerializer(DataTransformerFactory.XML);
fw = new OutputStreamWriter(new FileOutputStream(file, false), "UTF-8");
top = this.getTopic();
qos = (TopicQoS) top.getQoS();
xmlQos = ser.serializeQoS(qos);
fw.write("<splice_data><partitions>");
String parts = this.getPartitions(reader);
if (parts != null) {
fw.write(parts);
}
fw.write("</partitions><topic><name>");
fw.write(top.getName());
fw.write("</name><typeName>");
fw.write(top.getTypeName());
fw.write("</typeName><keyList>");
if (top.getKeyList() != null) {
fw.write(top.getKeyList());
}
fw.write("</keyList><qos>");
fw.write(xmlQos);
fw.write("</qos><metadata>");
fw.write(this.userDataModel.getUserDataType().toXML());
fw.write("</metadata></topic><data>");
do {
sample = userDataModel.getDataAt(i);
if (sample != null) {
fw.write(sampleSer.serializeSample(sample));
}
i++;
} while (sample != null);
fw.write("</data></splice_data>");
fw.flush();
fw.close();
} catch (FileNotFoundException e) {
throw new CommonException(e.getMessage());
} catch (IOException ie) {
throw new CommonException(ie.getMessage());
} catch (CMException ce) {
throw new CommonException(ce.getMessage());
} catch (TransformationException te) {
throw new CommonException(te.getMessage());
} finally {
if (fw != null) {
try {
fw.close();
} catch (IOException ie) {
throw new CommonException(ie.getMessage());
}
}
}
return i - 1;
}