[u/mrichter/AliRoot.git] / STEER / AliXMLCollection.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

//-----------------------------------------------------------------
//           Implementation of the AliXMLCollection class
//   This is the class that creates XML collections after querying the tags
//   Origin: Panos Christakoglou, UOA-CERN, Panos.Christakoglou@cern.ch
//-----------------------------------------------------------------

//ROOT
#include <Riostream.h>
#include <TEntryList.h>
#include <TList.h>
#include <TMap.h>
#include <TObjArray.h>
#include <TObjString.h>
#include <TString.h>
#include <TXMLEngine.h>

#include "AliXMLCollection.h"

ClassImp(AliXMLCollection)

//___________________________________________________________________________
  AliXMLCollection::AliXMLCollection() :
    TGridCollection(),
    fXmlFile(),
    fEventList(0),
    fEventListIter(0),
    fCurrent(0),
    fCollectionName(),
    fout() {
  //Default constructor
}

//___________________________________________________________________________
AliXMLCollection::AliXMLCollection(const char *localcollectionfile) {
   // Create Alien event collection, by reading collection for the specified
   // file.

   fXmlFile = localcollectionfile;
   fEventList = new TList();
   fEventList->SetOwner(kTRUE);
   fEventListIter = new TIter(fEventList);
   fCurrent = 0;
   if (localcollectionfile!=0) {
     ParseXML();
   }
}

//___________________________________________________________________________
AliXMLCollection::AliXMLCollection(const AliXMLCollection& collection):
  TGridCollection(collection),
  fXmlFile(collection.fXmlFile),
  fCollectionName(collection.fCollectionName) {
  //copy constructor

  if (collection.fEventList) fEventList = new TList();
  if (collection.fEventListIter) fEventListIter = new TIter(fEventList);
  if (collection.fCurrent) fCurrent = 0;
}

//___________________________________________________________________________
AliXMLCollection::~AliXMLCollection() {
  //Destructor
  if(fEventList) delete fEventList;
  if(fEventListIter) delete fEventListIter;
}

//___________________________________________________________________________
Bool_t AliXMLCollection::WriteHeader() {
  //Creates the xml output file

  TString xmlName = fCollectionName;
  xmlName += ".xml";

  TString collectionHeader = "<collection name=";
  collectionHeader += "\"";
  collectionHeader += fCollectionName;
  collectionHeader += "\"";
  collectionHeader += ">";
  
  // Open the output stream
  fout.open(xmlName);
  fout<<"<?xml version=\"1.0\"?>\n";
  fout<<"<alien>\n";
  fout<<"  "<<collectionHeader<<"\n";  

  return kTRUE;
}

//___________________________________________________________________________
Bool_t AliXMLCollection::WriteBody(Int_t counter, const char* guid, const char* lfn, const char* turl, TEntryList *list) {
  //Writes the body of the xml collection
  TString listline;
  for(Int_t i = 0; i < list->GetN(); i++) {
    listline += list->GetEntry(i);
    listline += ",";
  }  
  listline = listline(0,listline.Length()-1);

  TString line0 = "<event name=\"";
  line0 += counter;
  line0 += "\">";
  
  TString line1 = "<file name=\"AliESDs.root\" ";
  line1 += "guid=\"";
  line1 += guid;
  line1 += "\" ";
  line1 += "lfn=\"";
  line1 += lfn;
  line1 += "\" ";
  line1 += "turl=\"";
  line1 += turl;
  line1 += "\" ";
  line1 += "evlist=\"";
  line1 += listline;
  line1 += "\"";
  line1 += " />";
  
  fout<<"    "<<line0<<"\n";
  fout<<"      "<<line1<<"\n";
  fout<<"    </event>\n";
  
  return kTRUE;
}

//___________________________________________________________________________
Bool_t AliXMLCollection::Export() {
  //Closes the stream
  fout<<"  "<<"</collection>\n";
  fout<<"</alien>\n";

  fout.close();

  return kTRUE;
}

//___________________________________________________________________________
void AliXMLCollection::Reset() {
  // Reset file iterator.
  
  fEventListIter->Reset();
  fCurrent = 0;
}

//___________________________________________________________________________
TMap *AliXMLCollection::Next() {
  // Return next event file map.
  
  fCurrent = (TMap*)fEventListIter->Next();
  return fCurrent;
}

//___________________________________________________________________________
const char *AliXMLCollection::GetTURL(const char* filename) const {
  // Get a file's transport URL (TURL). Returns 0 in case of error.
  
  if (fCurrent) {
    TMap *obj = (TMap*)fCurrent->GetValue(filename);
    if (obj) {
      if (obj->GetValue("turl")) {
	return ( ((TObjString*)obj->GetValue("turl"))->GetName());
      }
    }
  }
  Error("GetTURL","cannot get TURL of file %s",filename);
  return 0;
}

//___________________________________________________________________________
const char *AliXMLCollection::GetGUID(const char* filename) const {
  // Get a file's transport UID. Returns 0 in case of error.
  
  if (fCurrent) {
    TMap *obj = (TMap*)fCurrent->GetValue(filename);
    if (obj) {
      if (obj->GetValue("guid")) {
	return ( ((TObjString*)obj->GetValue("guid"))->GetName());
      }
    }
  }
  Error("GetGUID","cannot get GUID of file %s",filename);
  return 0;
}

//___________________________________________________________________________
TEntryList *AliXMLCollection::GetEventList(const char *filename) const {
  // Get a file's event list. Returns 0 in case of error.

  if (fCurrent) {
    TMap *obj = (TMap *) fCurrent->GetValue(filename);
    if (obj) {
      if (obj->GetValue("evlist")) {
	return ((TEntryList *) obj->GetValue("evlist"));
      }
    }
  }
  Error("GetEvList", "cannot get evelist of file %s", filename);
  return 0;
}

//___________________________________________________________________________
Bool_t AliXMLCollection::Remove(TMap * map) {
  // Return next event file map.
  if (fEventList->Remove(map)) {
    return kTRUE;
  } else {
    return kFALSE;
  }
}

//___________________________________________________________________________
const char *AliXMLCollection::GetLFN(const char* ) const {
  // Get a file's LFN. Returns 0 in case of error.
  
  if (fCurrent) {
    TMap *obj = (TMap *) fCurrent->GetValue("");
    if (obj) {
      if (obj->GetValue("lfn")) {
	return (((TObjString *) obj->GetValue("lfn"))->GetName());
      }
    }
  }
  Error("GetLFN", "cannot get LFN");
  return 0;
}

//__________________________________________________________________________
Bool_t AliXMLCollection::OverlapCollection(AliXMLCollection * comparator) {
  // return kTRUE if comparator overlaps with this
  if ((!comparator)) return kFALSE;
  
 loopagain:
  // loop over col1 and try to find it in col2
  this->Reset();
  // loop over all elements in reference (=this)
  TMap *overlapmap;
  while ((overlapmap = this->Next())) {
    comparator->Reset();
    Bool_t found = kFALSE;
    // try to find in the comparator collection
    while ((comparator->Next())) {
      TString s1 = this->GetLFN("");
      TString s2 = comparator->GetLFN("");
      if (s1 == s2) {
	found = kTRUE;
	break;
      }
    }
    if (!found) {
      this->Remove(overlapmap);
      goto loopagain;
    }
  }
  return kTRUE;
}

//___________________________________________________________________________
AliXMLCollection *AliXMLCollection::Open(const char *localcollectionfile) {
  // Static method used to create an Alien event collection, by reading
  // collection for the specified file.
  
  AliXMLCollection *collection = new AliXMLCollection(localcollectionfile);
  return collection;
}

//___________________________________________________________________________
void AliXMLCollection::ParseXML() {
  // Parse event file collection XML file.
  
  TXMLEngine xml;
  
  XMLDocPointer_t xdoc = xml.ParseFile(fXmlFile);
  if (!xdoc) {
    Error("ParseXML","cannot parse the xml file %s",fXmlFile.Data());
    return;
  }

  XMLNodePointer_t xalien = xml.DocGetRootElement(xdoc);
  if (!xalien) {
    Error("ParseXML","cannot find the <alien> tag in %s",fXmlFile.Data());
    return;
  }
  
  XMLNodePointer_t xcollection = xml.GetChild(xalien);
  if (!xcollection) {
    Error("ParseXML","cannot find the <collection> tag in %s",fXmlFile.Data());
    return;
  }
  
  XMLNodePointer_t xevent = xml.GetChild(xcollection);;
  if (!xevent) {
    Error("ParseXML","cannot find the <event> tag in %s",fXmlFile.Data());
    return;
  }
  if (!xevent) return;
  
  do {
    if (xml.GetAttr(xevent, "name")) {
      TMap *files = new TMap();
            
      // files
      XMLNodePointer_t xfile = xml.GetChild(xevent);
      if (!xfile) continue;
      
      Bool_t firstfile=kTRUE;
      do {
	// here we have an event file
	// get the attributes;
	xml.GetAttr(xfile, "lfn");
	xml.GetAttr(xfile, "turl");
	
	TMap *attributes = new TMap();
	TObjString *oname = new TObjString(xml.GetAttr(xfile,"name"));
	TObjString *oturl = new TObjString(xml.GetAttr(xfile,"turl"));
	TObjString *olfn  = new TObjString(xml.GetAttr(xfile,"lfn"));
	TObjString *oguid = new TObjString(xml.GetAttr(xfile,"guid"));
	TObjString *oevlist = new TObjString(xml.GetAttr(xfile, "evlist"));
	printf("Collection: %s - The Eventlist is %s\n",fXmlFile.Data(),oevlist->GetName());
	if (oevlist->GetName() != "") {
	  TEntryList *xmlevlist = new TEntryList(oturl->GetName(), oguid->GetName());
	  TString stringevlist = oevlist->GetName();
	  TObjArray *evlist = stringevlist.Tokenize(",");
	  for (Int_t n = 0; n < evlist->GetEntries(); n++)  xmlevlist->Enter(atol(((TObjString *) evlist->At(n))->GetName()));
	  attributes->Add(new TObjString("evlist"), xmlevlist);
	}
	
	attributes->Add(new TObjString("name"),oname);
	attributes->Add(new TObjString("turl"),oturl);
	attributes->Add(new TObjString("lfn"),olfn);
	attributes->Add(new TObjString("guid"),oguid);
	files->Add(new TObjString(xml.GetAttr(xfile,"name")) , attributes);
	
	// we add the first file always as a file without name to the map
	if (firstfile) {
	  files->Add(new TObjString(""),attributes);
	  firstfile=kFALSE;
	}
      } while ((xfile = xml.GetNext(xfile)));
      fEventList->Add(files);
    }
  } while ((xevent =  xml.GetNext(xevent)));
}
Commit	Line	Data
c1b83ab9	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16	/* $Id$ */
	17
	18	//-----------------------------------------------------------------
	19	// Implementation of the AliXMLCollection class
	20	// This is the class that creates XML collections after querying the tags
	21	// Origin: Panos Christakoglou, UOA-CERN, Panos.Christakoglou@cern.ch
	22	//-----------------------------------------------------------------
	23
	24	//ROOT
7ca4655f	25	#include <Riostream.h>
	26	#include <TEntryList.h>
	27	#include <TList.h>
	28	#include <TMap.h>
	29	#include <TObjArray.h>
	30	#include <TObjString.h>
	31	#include <TString.h>
	32	#include <TXMLEngine.h>
c1b83ab9	33
	34	#include "AliXMLCollection.h"
	35
	36	ClassImp(AliXMLCollection)
	37
	38	//___________________________________________________________________________
	39	AliXMLCollection::AliXMLCollection() :
1ca27a6f	40	TGridCollection(),
	41	fXmlFile(),
	42	fEventList(0),
	43	fEventListIter(0),
	44	fCurrent(0),
fe12e09c	45	fCollectionName(),
1ca27a6f	46	fout() {
c1b83ab9	47	//Default constructor
	48	}
	49
1ca27a6f	50	//___________________________________________________________________________
	51	AliXMLCollection::AliXMLCollection(const char *localcollectionfile) {
	52	// Create Alien event collection, by reading collection for the specified
	53	// file.
	54
	55	fXmlFile = localcollectionfile;
	56	fEventList = new TList();
	57	fEventList->SetOwner(kTRUE);
	58	fEventListIter = new TIter(fEventList);
	59	fCurrent = 0;
	60	if (localcollectionfile!=0) {
	61	ParseXML();
	62	}
	63	}
	64
	65	//___________________________________________________________________________
	66	AliXMLCollection::AliXMLCollection(const AliXMLCollection& collection):
	67	TGridCollection(collection),
	68	fXmlFile(collection.fXmlFile),
1ca27a6f	69	fCollectionName(collection.fCollectionName) {
	70	//copy constructor
	71
	72	if (collection.fEventList) fEventList = new TList();
	73	if (collection.fEventListIter) fEventListIter = new TIter(fEventList);
	74	if (collection.fCurrent) fCurrent = 0;
	75	}
	76
c1b83ab9	77	//___________________________________________________________________________
	78	AliXMLCollection::~AliXMLCollection() {
	79	//Destructor
1ca27a6f	80	if(fEventList) delete fEventList;
1ca27a6f	81	if(fEventListIter) delete fEventListIter;
c1b83ab9	82	}
	83
	84	//___________________________________________________________________________
	85	Bool_t AliXMLCollection::WriteHeader() {
	86	//Creates the xml output file
	87
	88	TString xmlName = fCollectionName;
	89	xmlName += ".xml";
	90
	91	TString collectionHeader = "<collection name=";
	92	collectionHeader += "\"";
	93	collectionHeader += fCollectionName;
	94	collectionHeader += "\"";
	95	collectionHeader += ">";
	96
	97	// Open the output stream
	98	fout.open(xmlName);
	99	fout<<"<?xml version=\"1.0\"?>\n";
eb771b73	100	fout<<"<alien>\n";
c1b83ab9	101	fout<<" "<<collectionHeader<<"\n";
	102
	103	return kTRUE;
	104	}
	105
	106	//___________________________________________________________________________
5b7be856	107	Bool_t AliXMLCollection::WriteBody(Int_t counter, const char* guid, const char* lfn, const char* turl, TEntryList *list) {
c1b83ab9	108	//Writes the body of the xml collection
	109	TString listline;
	110	for(Int_t i = 0; i < list->GetN(); i++) {
	111	listline += list->GetEntry(i);
	112	listline += ",";
	113	}
	114	listline = listline(0,listline.Length()-1);
	115
	116	TString line0 = "<event name=\"";
	117	line0 += counter;
	118	line0 += "\">";
	119
	120	TString line1 = "<file name=\"AliESDs.root\" ";
	121	line1 += "guid=\"";
	122	line1 += guid;
	123	line1 += "\" ";
eb771b73	124	line1 += "lfn=\"";
	125	line1 += lfn;
	126	line1 += "\" ";
ab02b208	127	line1 += "turl=\"";
	128	line1 += turl;
	129	line1 += "\" ";
	130	line1 += "evlist=\"";
c1b83ab9	131	line1 += listline;
	132	line1 += "\"";
	133	line1 += " />";
	134
	135	fout<<" "<<line0<<"\n";
	136	fout<<" "<<line1<<"\n";
	137	fout<<" </event>\n";
	138
	139	return kTRUE;
	140	}
	141
	142	//___________________________________________________________________________
	143	Bool_t AliXMLCollection::Export() {
	144	//Closes the stream
	145	fout<<" "<<"</collection>\n";
eb771b73	146	fout<<"</alien>\n";
c1b83ab9	147
	148	fout.close();
	149
	150	return kTRUE;
	151	}
1ca27a6f	152
	153	//___________________________________________________________________________
	154	void AliXMLCollection::Reset() {
	155	// Reset file iterator.
	156
	157	fEventListIter->Reset();
	158	fCurrent = 0;
	159	}
	160
	161	//___________________________________________________________________________
	162	TMap *AliXMLCollection::Next() {
	163	// Return next event file map.
	164
	165	fCurrent = (TMap*)fEventListIter->Next();
	166	return fCurrent;
	167	}
	168
	169	//___________________________________________________________________________
	170	const char AliXMLCollection::GetTURL(const char filename) const {
	171	// Get a file's transport URL (TURL). Returns 0 in case of error.
	172
	173	if (fCurrent) {
	174	TMap obj = (TMap)fCurrent->GetValue(filename);
	175	if (obj) {
	176	if (obj->GetValue("turl")) {
	177	return ( ((TObjString*)obj->GetValue("turl"))->GetName());
	178	}
	179	}
	180	}
	181	Error("GetTURL","cannot get TURL of file %s",filename);
	182	return 0;
	183	}
	184
a3d56f81	185	//___________________________________________________________________________
	186	const char AliXMLCollection::GetGUID(const char filename) const {
	187	// Get a file's transport UID. Returns 0 in case of error.
	188
	189	if (fCurrent) {
	190	TMap obj = (TMap)fCurrent->GetValue(filename);
	191	if (obj) {
	192	if (obj->GetValue("guid")) {
1923ce8e	193	return ( ((TObjString*)obj->GetValue("guid"))->GetName());
a3d56f81	194	}
	195	}
	196	}
	197	Error("GetGUID","cannot get GUID of file %s",filename);
	198	return 0;
	199	}
	200
1ca27a6f	201	//___________________________________________________________________________
	202	TEntryList AliXMLCollection::GetEventList(const char filename) const {
	203	// Get a file's event list. Returns 0 in case of error.
	204
	205	if (fCurrent) {
	206	TMap obj = (TMap ) fCurrent->GetValue(filename);
	207	if (obj) {
	208	if (obj->GetValue("evlist")) {
	209	return ((TEntryList *) obj->GetValue("evlist"));
	210	}
	211	}
	212	}
	213	Error("GetEvList", "cannot get evelist of file %s", filename);
	214	return 0;
	215	}
	216
	217	//___________________________________________________________________________
	218	Bool_t AliXMLCollection::Remove(TMap * map) {
	219	// Return next event file map.
	220	if (fEventList->Remove(map)) {
	221	return kTRUE;
	222	} else {
	223	return kFALSE;
	224	}
	225	}
	226
	227	//___________________________________________________________________________
a3d56f81	228	const char AliXMLCollection::GetLFN(const char ) const {
1ca27a6f	229	// Get a file's LFN. Returns 0 in case of error.
	230
	231	if (fCurrent) {
	232	TMap obj = (TMap ) fCurrent->GetValue("");
	233	if (obj) {
	234	if (obj->GetValue("lfn")) {
	235	return (((TObjString *) obj->GetValue("lfn"))->GetName());
	236	}
	237	}
	238	}
	239	Error("GetLFN", "cannot get LFN");
	240	return 0;
	241	}
	242
	243	//__________________________________________________________________________
	244	Bool_t AliXMLCollection::OverlapCollection(AliXMLCollection * comparator) {
	245	// return kTRUE if comparator overlaps with this
	246	if ((!comparator)) return kFALSE;
	247
	248	loopagain:
	249	// loop over col1 and try to find it in col2
	250	this->Reset();
	251	// loop over all elements in reference (=this)
	252	TMap *overlapmap;
	253	while ((overlapmap = this->Next())) {
	254	comparator->Reset();
	255	Bool_t found = kFALSE;
	256	// try to find in the comparator collection
	257	while ((comparator->Next())) {
	258	TString s1 = this->GetLFN("");
	259	TString s2 = comparator->GetLFN("");
	260	if (s1 == s2) {
	261	found = kTRUE;
	262	break;
	263	}
	264	}
	265	if (!found) {
	266	this->Remove(overlapmap);
	267	goto loopagain;
	268	}
	269	}
	270	return kTRUE;
	271	}
	272
	273	//___________________________________________________________________________
	274	AliXMLCollection AliXMLCollection::Open(const char localcollectionfile) {
	275	// Static method used to create an Alien event collection, by reading
	276	// collection for the specified file.
	277
	278	AliXMLCollection *collection = new AliXMLCollection(localcollectionfile);
	279	return collection;
	280	}
	281
	282	//___________________________________________________________________________
	283	void AliXMLCollection::ParseXML() {
	284	// Parse event file collection XML file.
	285
	286	TXMLEngine xml;
	287
	288	XMLDocPointer_t xdoc = xml.ParseFile(fXmlFile);
	289	if (!xdoc) {
	290	Error("ParseXML","cannot parse the xml file %s",fXmlFile.Data());
	291	return;
	292	}
293
294	XMLNodePointer_t xalien = xml.DocGetRootElement(xdoc);
295	if (!xalien) {
296	Error("ParseXML","cannot find the <alien> tag in %s",fXmlFile.Data());
297	return;
298	}
299
300	XMLNodePointer_t xcollection = xml.GetChild(xalien);
301	if (!xcollection) {
302	Error("ParseXML","cannot find the <collection> tag in %s",fXmlFile.Data());
303	return;
304	}
305
306	XMLNodePointer_t xevent = xml.GetChild(xcollection);;
307	if (!xevent) {
308	Error("ParseXML","cannot find the <event> tag in %s",fXmlFile.Data());
309	return;
310	}
311	if (!xevent) return;
312
313	do {
314	if (xml.GetAttr(xevent, "name")) {
315	TMap *files = new TMap();
316
317	// files
318	XMLNodePointer_t xfile = xml.GetChild(xevent);
319	if (!xfile) continue;
320
321	Bool_t firstfile=kTRUE;
322	do {
323	// here we have an event file
324	// get the attributes;
325	xml.GetAttr(xfile, "lfn");
326	xml.GetAttr(xfile, "turl");
327
328	TMap *attributes = new TMap();
329	TObjString *oname = new TObjString(xml.GetAttr(xfile,"name"));
330	TObjString *oturl = new TObjString(xml.GetAttr(xfile,"turl"));
331	TObjString *olfn = new TObjString(xml.GetAttr(xfile,"lfn"));
332	TObjString *oguid = new TObjString(xml.GetAttr(xfile,"guid"));
333	TObjString *oevlist = new TObjString(xml.GetAttr(xfile, "evlist"));
334	printf("Collection: %s - The Eventlist is %s\n",fXmlFile.Data(),oevlist->GetName());
335	if (oevlist->GetName() != "") {
336	TEntryList *xmlevlist = new TEntryList(oturl->GetName(), oguid->GetName());
337	TString stringevlist = oevlist->GetName();
338	TObjArray *evlist = stringevlist.Tokenize(",");
339	for (Int_t n = 0; n < evlist->GetEntries(); n++) xmlevlist->Enter(atol(((TObjString *) evlist->At(n))->GetName()));
340	attributes->Add(new TObjString("evlist"), xmlevlist);
341	}
342
343	attributes->Add(new TObjString("name"),oname);
344	attributes->Add(new TObjString("turl"),oturl);
345	attributes->Add(new TObjString("lfn"),olfn);
346	attributes->Add(new TObjString("guid"),oguid);
347	files->Add(new TObjString(xml.GetAttr(xfile,"name")) , attributes);
348
349	// we add the first file always as a file without name to the map
350	if (firstfile) {
351	files->Add(new TObjString(""),attributes);
352	firstfile=kFALSE;
353	}
354	} while ((xfile = xml.GetNext(xfile)));
355	fEventList->Add(files);
356	}
357	} while ((xevent = xml.GetNext(xevent)));
358	}
359