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/**
* This file is part of the CRISTAL-iSE kernel.
* Copyright (c) 2001-2014 The CRISTAL Consortium. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
* http://www.fsf.org/licensing/licenses/lgpl.html
*/
package com.c2kernel.entity.transfer;
import java.io.File;
import java.util.ArrayList;
import java.util.Iterator;
import com.c2kernel.collection.Collection;
import com.c2kernel.collection.CollectionArrayList;
import com.c2kernel.common.ObjectNotFound;
import com.c2kernel.entity.C2KLocalObject;
import com.c2kernel.entity.TraceableEntity;
import com.c2kernel.lifecycle.instance.Workflow;
import com.c2kernel.lookup.AgentPath;
import com.c2kernel.lookup.DomainPath;
import com.c2kernel.lookup.InvalidItemPathException;
import com.c2kernel.lookup.ItemPath;
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 {
private ArrayList<String> domainPaths;
protected ItemPath itemPath;
static AgentPath importAgentId;
public TransferItem() throws Exception {
try {
importAgentId = Gateway.getLookup().getAgentPath("system");
} catch (ObjectNotFound e) {
Logger.error("TransferItem - System user not found!");
throw e;
}
}
public TransferItem(ItemPath itemPath) throws Exception {
this.itemPath = itemPath;
domainPaths = new ArrayList<String>();
Iterator<Path> paths = Gateway.getLookup().searchAliases(itemPath);
while (paths.hasNext()) {
DomainPath thisPath = (DomainPath)paths.next();
domainPaths.add(thisPath.toString());
}
}
public ArrayList<String> getDomainPaths() {
return domainPaths;
}
public void setDomainPaths(ArrayList<String> domainPaths) {
this.domainPaths = domainPaths;
}
public void setUUID( String uuid ) throws InvalidItemPathException
{
itemPath = new ItemPath(uuid);
}
public String getUUID() {
return itemPath.getUUID().toString();
}
public void exportItem(File dir, String path) throws Exception {
Logger.msg("Path " + path + " in " + itemPath);
String[] contents = Gateway.getStorage().getClusterContents(itemPath, 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(itemPath, path, null);
Logger.msg("Dumping object " + path + " in " + itemPath);
File dumpPath = new File(dir.getCanonicalPath() + ".xml");
FileStringUtility.string2File(dumpPath, Gateway.getMarshaller().marshall(obj));
return;
} catch (ObjectNotFound ex) {
} // not an object
}
}
public void importItem(File dir) throws Exception {
// check if already exists
try {
Property name = (Property)Gateway.getStorage().get(itemPath, ClusterStorage.PROPERTY + "/Name", null);
throw new Exception("Entity " + itemPath + " 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
TraceableEntity newItem = Gateway.getCorbaServer().createItem(itemPath);
Gateway.getLookupManager().add(itemPath);
PropertyArrayList props = new PropertyArrayList();
CollectionArrayList colls = new CollectionArrayList();
Workflow wf = null;
// put objects
for (C2KLocalObject obj : objects) {
if (obj instanceof Property)
props.list.add((Property)obj);
else if (obj instanceof Collection)
colls.list.add((Collection<?>)obj);
else if (obj instanceof Workflow)
wf = (Workflow)obj;
}
if (wf == null)
throw new Exception("No workflow found in import for "+itemPath);
// init item
newItem.initialise(importAgentId.getSystemKey(),
Gateway.getMarshaller().marshall(props),
Gateway.getMarshaller().marshall(wf.search("workflow/domain")),
Gateway.getMarshaller().marshall(colls));
// store 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, itemPath);
Gateway.getLookupManager().add(newPath);
}
}
private void importByType(String type, ArrayList<C2KLocalObject> objects) throws Exception {
for (C2KLocalObject element : objects) {
if (element.getClusterType().equals(type))
Gateway.getStorage().put(itemPath, element, this);
}
}
}
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