/*******************************************************************************
* Copyright (c) 2007 Exadel, Inc. and Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is made available under the terms of the
* Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Exadel, Inc. and Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.jsf.model.pv;
import java.util.*;
import org.eclipse.core.resources.IResource;
import org.jboss.tools.common.model.XModelObject;
import org.jboss.tools.common.model.filesystems.FileSystemsHelper;
import org.jboss.tools.common.model.filesystems.impl.Libs;
import org.jboss.tools.jst.web.model.helpers.WebAppHelper;
import org.jboss.tools.jst.web.tld.model.TLDUtil;
public class JSFProjectTagLibs extends JSFProjectResourceBundles {
private static final long serialVersionUID = 7805053632320764494L;
protected Iterator<XModelObject> getRoots() {
List<XModelObject> list = new ArrayList<XModelObject>();
XModelObject r = FileSystemsHelper.getWebInf(getModel());
if(r != null) list.add(r);
XModelObject fss = FileSystemsHelper.getFileSystems(getModel());
if(fss == null) return list.iterator();
XModelObject[] fs = fss.getChildren();
for (int i = 0; i < fs.length; i++) {
if(!fs[i].getAttributeValue("name").startsWith(Libs.LIB_PREFIX)) continue;
r = fs[i].getChildByPath("META-INF");
if(r != null) list.add(r);
}
return list.iterator();
}
protected List<XModelObject> collect(Iterator<XModelObject> rs) {
List<XModelObject> list = super.collect(rs);
List<XModelObject> faceletTaglibs = getFaceletTaglibs();
if(faceletTaglibs != null) for (XModelObject faceletTaglib: faceletTaglibs) {
if(faceletTaglib.getAttributeValue("uri") != null) {
list.add(faceletTaglib);
}
}
Iterator<XModelObject> it = list.iterator();
Set<String> tlds = new HashSet<String>();
Set<String> facelets = new HashSet<String>();
while(it.hasNext()) {
XModelObject o = it.next();
String uri = o.getAttributeValue("uri");
boolean isFacelet = TLDUtil.isFaceletTaglib(o);
if(uri != null && uri.length() == 0 && isFacelet) {
uri = o.getAttributeValue("library-class");
}
Set<String> set = isFacelet ? facelets : tlds;
if(set.contains(uri)) {
it.remove();
} else {
set.add(uri);
}
}
return list;
}
private List<XModelObject> getFaceletTaglibs() {
XModelObject webxml = getModel().getByPath("/web.xml");
XModelObject webRoot = FileSystemsHelper.getWebRoot(getModel());
if(webxml == null || webRoot == null) return null;
XModelObject cp = WebAppHelper.findWebAppContextParam(webxml, "facelets.LIBRARIES");
if(cp == null) cp = WebAppHelper.findWebAppContextParam(webxml, "javax.faces.FACELETS_LIBRARIES");
if(cp == null) return null;
String value = cp.getAttributeValue("param-value");
if(value == null || value.length() == 0) return null;
List<XModelObject> result = new ArrayList<XModelObject>();
StringTokenizer st = new StringTokenizer(value, ";,");
while(st.hasMoreTokens()) {
String path = st.nextToken();
if(path.startsWith("/")) path = path.substring(1);
XModelObject o = webRoot.getChildByPath(path);
if(o != null) result.add(o);
}
return result;
}
static String TLD_ENTITIES = ".FileTLD_PRO.FileTLD_1_2.FileTLD_2_0.FileTLD_2_1.";
protected boolean acceptFile(XModelObject o) {
if(o.getParent() == null) {
return false;
}
if("META-INF".equals(o.getParent().getAttributeValue("name"))) {
if(TLDUtil.isFaceletTaglib(o)) return true;
}
return isTLDFile(o);
}
public static boolean isTLDFile(XModelObject o) {
String entity = "." + o.getModelEntity().getName();
return TLD_ENTITIES.indexOf(entity) >= 0;
}
public Object getAdapter(Class adapter) {
if(adapter == IResource.class) {
XModelObject o = FileSystemsHelper.getWebInf(getModel());
return (o != null) ? o.getAdapter(adapter) : null;
}
return super.getAdapter(adapter);
}
}