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package com.c2kernel.entity.transfer;
import java.io.File;
import java.util.ArrayList;
import java.util.Iterator;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.entity.C2KLocalObject;
import com.c2kernel.entity.TraceableEntity;
import com.c2kernel.lifecycle.instance.Workflow;
import com.c2kernel.lookup.DomainPath;
import com.c2kernel.lookup.EntityPath;
import com.c2kernel.lookup.Path;
import com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.persistency.outcome.Outcome;
import com.c2kernel.process.Gateway;
import com.c2kernel.property.Property;
import com.c2kernel.property.PropertyArrayList;
import com.c2kernel.utils.FileStringUtility;
import com.c2kernel.utils.Logger;
public class TransferItem {
public ArrayList<String> domainPaths;
public int sysKey;
static int importAgentId;
public TransferItem() throws Exception {
try {
importAgentId = Gateway.getLookup().getRoleManager().getAgentPath("system").getSysKey();
} catch (ObjectNotFoundException e) {
Logger.error("TransferItem - System user not found!");
throw e;
}
}
public TransferItem(int sysKey) throws Exception {
this.sysKey = sysKey;
domainPaths = new ArrayList<String>();
Property name = (Property)Gateway.getStorage().get(sysKey, ClusterStorage.PROPERTY + "/Name", null);
Iterator<Path> paths = Gateway.getLookup().search(new DomainPath(), name.getValue());
while (paths.hasNext()) {
DomainPath thisPath = (DomainPath)paths.next();
domainPaths.add(thisPath.toString());
}
}
public void exportItem(File dir, String path) throws Exception {
Logger.msg("Path " + path + " in " + sysKey);
String[] contents = Gateway.getStorage().getClusterContents(sysKey, path);
if (contents.length > 0) {
FileStringUtility.createNewDir(dir.getCanonicalPath());
for (String content : contents) {
exportItem(new File(dir, content), path + "/" + content);
}
} else { //no children, try to dump object
try {
C2KLocalObject obj = Gateway.getStorage().get(sysKey, path, null);
Logger.msg("Dumping object " + path + " in " + sysKey);
File dumpPath = new File(dir.getCanonicalPath() + ".xml");
FileStringUtility.string2File(dumpPath, Gateway.getMarshaller().marshall(obj));
return;
} catch (ObjectNotFoundException ex) {
} // not an object
}
}
public void importItem(File dir) throws Exception {
// check if already exists
try {
Property name = (Property)Gateway.getStorage().get(sysKey, ClusterStorage.PROPERTY + "/Name", null);
throw new Exception("Syskey " + sysKey + " already in use as " + name.getValue());
} catch (Exception ex) {
}
// retrieve objects
ArrayList<String> objectFiles = FileStringUtility.listDir(dir.getCanonicalPath(), false, true);
ArrayList<C2KLocalObject> objects = new ArrayList<C2KLocalObject>();
for (String element : objectFiles) {
String xmlFile = FileStringUtility.file2String(element);
C2KLocalObject newObj;
String choppedPath = element.substring(dir.getCanonicalPath().length()+1, element.length()-4);
Logger.msg(choppedPath);
if (choppedPath.startsWith(ClusterStorage.OUTCOME))
newObj = new Outcome(choppedPath, xmlFile);
else
newObj = (C2KLocalObject)Gateway.getMarshaller().unmarshall(xmlFile);
objects.add(newObj);
}
// create item
EntityPath entityPath = new EntityPath(sysKey);
TraceableEntity newItem = (TraceableEntity)Gateway.getCorbaServer().createEntity(entityPath);
Gateway.getLookup().add(entityPath);
PropertyArrayList props = new PropertyArrayList();
Workflow wf = null;
// put objects
for (C2KLocalObject obj : objects) {
if (obj instanceof Property)
props.list.add((Property)obj);
else if (obj instanceof Workflow)
wf = (Workflow)obj;
}
if (wf == null)
throw new Exception("No workflow found in import for "+sysKey);
// init item
newItem.initialise(importAgentId, Gateway.getMarshaller().marshall(props), Gateway.getMarshaller().marshall(wf.search("workflow/domain")));
// store objects
importByType(ClusterStorage.COLLECTION, objects);
importByType(ClusterStorage.HISTORY, objects);
importByType(ClusterStorage.OUTCOME, objects);
importByType(ClusterStorage.VIEWPOINT, objects);
Gateway.getStorage().commit(this);
// add domPaths
for (String element : domainPaths) {
DomainPath newPath = new DomainPath(element, entityPath);
Gateway.getLookup().add(newPath);
}
}
private void importByType(String type, ArrayList<C2KLocalObject> objects) throws Exception {
for (C2KLocalObject element : objects) {
if (element.getClusterType().equals(type))
Gateway.getStorage().put(sysKey, element, this);
}
}
}
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