//=============================================================================
//=== Copyright (C) 2001-2005 Food and Agriculture Organization of the
//=== United Nations (FAO-UN), United Nations World Food Programme (WFP)
//=== and United Nations Environment Programme (UNEP)
//===
//=== This program is free software; you can redistribute it and/or modify
//=== it under the terms of the GNU General Public License as published by
//=== the Free Software Foundation; either version 2 of the License, or (at
//=== your option) any later version.
//===
//=== This program is distributed in the hope that it will be useful, but
//=== WITHOUT ANY WARRANTY; without even the implied warranty of
//=== MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
//=== General Public License for more details.
//===
//=== You should have received a copy of the GNU General Public License
//=== along with this program; if not, write to the Free Software
//=== Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//===
//=== Contact: Jeroen Ticheler - FAO - Viale delle Terme di Caracalla 2,
//=== Rome - Italy. email: GeoNetwork@fao.org
//==============================================================================
package org.fao.geonet.services.thesaurus;
import jeeves.constants.Jeeves;
import jeeves.interfaces.Service;
import jeeves.server.ServiceConfig;
import jeeves.server.context.ServiceContext;
import org.fao.geonet.Util;
import org.fao.geonet.GeonetContext;
import org.fao.geonet.constants.Geonet;
import org.fao.geonet.constants.Params;
import org.fao.geonet.kernel.ThesaurusManager;
import org.jdom.Element;
import java.io.File;
import java.io.FilenameFilter;
//=============================================================================
/** Given a metadata id returns all associated categories. Called by the
* metadata.category service
*/
public class List implements Service
{
//--------------------------------------------------------------------------
//---
//--- Init
//---
//--------------------------------------------------------------------------
private String _localThesaurusDir;
private String _externalDir;
private String _initType;
public void init(String appPath, ServiceConfig params) throws Exception {
_localThesaurusDir = File.separator+Geonet.CodeList.LOCAL+File.separator+Geonet.CodeList.THESAURUS+File.separator;
_externalDir = File.separator+Geonet.CodeList.EXTERNAL+File.separator+Geonet.CodeList.THESAURUS+File.separator;
_initType = params.getValue( Params.TYPE, "_none_" );
}
/** Filter on directory */
private FilenameFilter directoryFilter = new FilenameFilter()
{
public boolean accept(File dir, String name)
{
if ( dir.isDirectory() && !name.startsWith("."))
return true;
else
return false;
}
};
/** Filter on directory */
private FilenameFilter thesauriFilter = new FilenameFilter()
{
public boolean accept(File dir, String name)
{
if ( dir.isDirectory() && !name.startsWith("."))
return true;
else
if (!dir.isDirectory() && name.endsWith(".xml") || name.endsWith(".rdf"))
return true;
else return false;
}
};
//--------------------------------------------------------------------------
//---
//--- Service
//---
//--------------------------------------------------------------------------
public Element exec(Element params, ServiceContext context) throws Exception
{
GeonetContext gc = (GeonetContext) context.getHandlerContext(Geonet.CONTEXT_NAME);
ThesaurusManager thesaurusMan = gc.getBean(ThesaurusManager.class);
String THESAURUS_DIR = thesaurusMan.getThesauriDirectory();
Element thesauriList = new Element("thesaurusList");
String type = Util.getParam(params, Params.TYPE, _initType );
if (type.equals("all-directories")) {
listThesauri(thesauriList, THESAURUS_DIR+_externalDir, 1, directoryFilter, Geonet.CodeList.EXTERNAL );
listThesauri(thesauriList, THESAURUS_DIR+_localThesaurusDir, 1, directoryFilter, Geonet.CodeList.LOCAL );
} else
if (type.equals("upload-directories")) {
listThesauri(thesauriList, THESAURUS_DIR+_externalDir, 1, directoryFilter, Geonet.CodeList.EXTERNAL );
} else
if (type.equals("all-thesauri")) {
listThesauri(thesauriList, THESAURUS_DIR+_externalDir, 2, thesauriFilter, Geonet.CodeList.EXTERNAL );
listThesauri(thesauriList, THESAURUS_DIR+_localThesaurusDir, 2, thesauriFilter, Geonet.CodeList.LOCAL );
} else
if (type.equals("update-thesauri")) {
listThesauri(thesauriList, THESAURUS_DIR+_localThesaurusDir, 3, thesauriFilter, Geonet.CodeList.LOCAL );
} else
{
listThesauri(thesauriList, THESAURUS_DIR+_externalDir, 3, thesauriFilter, Geonet.CodeList.EXTERNAL );
listThesauri(thesauriList, THESAURUS_DIR+_localThesaurusDir, 3, thesauriFilter, Geonet.CodeList.LOCAL );
}
//-----------------------------------------------------------------------
Element elRes = new Element(Jeeves.Elem.RESPONSE).addContent(thesauriList);
//-----------------------------------------------------------------------
String selected = Util.getParam(params, Params.SELECTED, "none" );
if (!selected.equals("none")){
Element elSelected = new Element("selectedThesaurus");
elSelected.addContent(selected);
elRes.addContent(elSelected);
}
String mode = Util.getParam(params, "mode", "none" );
if (!mode.equals("none")){
Element elMode = new Element("mode");
elMode.addContent(mode);
elRes.addContent(elMode);
}
//-----------------------------------------------------------------------
return elRes;
}
/**
* Browse directory tree and return thesaurus in xml and rdf format
*
* @param params
* @param context
* @return
* @throws Exception
*/
private void listThesauri(Element list, String dir, int mode, FilenameFilter filter, String rootName) throws Exception
{
File thesauriDirectory = new File(dir);
if (thesauriDirectory.isDirectory()) {
File[] rdfDataDirectory = thesauriDirectory.listFiles(filter);
for (int i=0; i<rdfDataDirectory.length; i++){
if(rdfDataDirectory[i].isDirectory()) {
if (mode==1) { // Simple tree
Element dirE = new Element("directory").setAttribute("label", rdfDataDirectory[i].getName());
dirE.setAttribute("type", rootName);
list.addContent(dirE);
listThesauri(dirE, rdfDataDirectory[i].getAbsolutePath(), mode, filter, rootName);
}
else if (mode==2) { // Complex tree local + external
Element dirE = new Element("directory").setAttribute("label", rdfDataDirectory[i].getName());
dirE.setAttribute("type", rootName);
// Search directory with same name
@SuppressWarnings("unchecked")
java.util.List<Element> children = list.getChildren("directory");
Element element = null;
for (Element e : children) {
if (e.getAttribute("label").getValue().equals(rdfDataDirectory[i].getName())) {
element = e;
break;
}
}
if (element != null) {
listThesauri(element, rdfDataDirectory[i].getAbsolutePath(), mode, filter, rootName);
}
else {
list.addContent(dirE);
listThesauri(dirE, rdfDataDirectory[i].getAbsolutePath(), mode, filter, rootName);
}
}
else // Flat tree
listThesauri(list, rdfDataDirectory[i].getAbsolutePath(), mode, filter, rootName);
} else if (mode!=1) { // File
String thesaurusName = rootName+'.'+thesauriDirectory.getName()+'.'+rdfDataDirectory[i].getName().substring(0, rdfDataDirectory[i].getName().indexOf(".rdf"));
Element thesaurusE = new Element("thesaurus").setAttribute("value",thesaurusName);
thesaurusE.setAttribute("type", rootName);
Element dirE = new Element("dname").setText(thesauriDirectory.getName());
Element fnameE = new Element("fname").setText(rdfDataDirectory[i].getName());
// Element dirNE = new Element("dir").setText(thesauriDirectory.getAbsolutePath());
thesaurusE.addContent(fnameE);
thesaurusE.addContent(dirE);
// thesaurusE.addContent(dirNE);
list.addContent(thesaurusE);
}
}
}
}
// =====================================================================================
}