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package com.c2kernel.persistency.outcome;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.StringTokenizer;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.apache.xml.serialize.Method;
import org.apache.xml.serialize.OutputFormat;
import org.apache.xml.serialize.XMLSerializer;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
import com.c2kernel.common.PersistencyException;
import com.c2kernel.entity.C2KLocalObject;
import com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.utils.Logger;
public class Outcome implements C2KLocalObject {
int mID = -1;
String mData;
String mSchemaType;
int mSchemaVersion;
static DocumentBuilder parser;
static {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setValidating(false);
dbf.setNamespaceAware(false);
try {
parser = dbf.newDocumentBuilder();
} catch (ParserConfigurationException e) {
Logger.error(e);
}
}
//id is the eventID
public Outcome(int id, String data, String schemaType, int schemaVersion) {
mID = id;
mData = data;
mSchemaType = schemaType;
mSchemaVersion = schemaVersion;
}
public Outcome(String path, String data) throws PersistencyException {
// derive all the meta data from the path
StringTokenizer tok = new StringTokenizer(path,"/");
if (tok.countTokens() != 3 && !(tok.nextToken().equals("Outcome")))
throw new PersistencyException("Outcome() - Outcome path must have three components: "+path, null);
mSchemaType = tok.nextToken();
String verstring = tok.nextToken();
String objId = tok.nextToken();
try {
mSchemaVersion = Integer.parseInt(verstring);
} catch (NumberFormatException ex) {
throw new PersistencyException("Outcome() - Outcome version was an invalid number: "+verstring, null);
}
try {
mID = Integer.parseInt(objId);
} catch (NumberFormatException ex) {
mID = -1;
}
mData = data;
}
public void setID(int ID) {
mID = ID;
}
public int getID() {
return mID;
}
public void setName(String name) {
try {
mID = Integer.parseInt(name);
} catch (NumberFormatException e) {
Logger.error("Invalid id set on Outcome:"+name);
}
}
public String getName() {
return String.valueOf(mID);
}
public void setData(String data) {
mData = data;
}
public void setData(Document data) {
mData = serialize(data, false);
}
public String getData() {
return mData;
}
public void setSchemaType(String schemaType) {
mSchemaType = schemaType;
}
public String getSchemaType() {
return mSchemaType;
}
public void setSchemaURL(int schemaVersion) {
mSchemaVersion = schemaVersion;
}
public int getSchemaVersion() {
return mSchemaVersion;
}
public void setSchemaVersion(int schVer) {
mSchemaVersion = schVer;
}
public String getClusterType() {
return ClusterStorage.OUTCOME;
}
// special script API methods
/**
* Parses the outcome into a DOM tree
* @return a DOM Document
*/
public Document getDOM() {
try {
synchronized (parser) {
return parser.parse(new InputSource(new StringReader(mData)));
}
} catch (Exception e) {
Logger.error(e);
return null;
}
}
static public String serialize(Document doc, boolean prettyPrint)
{
String serializedDoc = null;
OutputFormat format = new OutputFormat(Method.XML, null, prettyPrint);
StringWriter stringOut = new StringWriter();
XMLSerializer serial = new XMLSerializer(stringOut, format);
try
{
serial.asDOMSerializer();
serial.serialize(doc);
}
catch (java.io.IOException ex)
{
Logger.error(ex.toString());
}
serializedDoc = stringOut.toString();
return serializedDoc;
}
}
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