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package gdt.data.entity.facet;
/*
* Copyright 2016 Alexander Imas
* This file is part of JEntigrator.
JEntigrator 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 3 of the License, or
(at your option) any later version.
JEntigrator 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 JEntigrator. If not, see fl=new ArrayList();
FacetHandler[] fha;
for(String aSa:sa){
try{
fha=listExtensionHandlers( entigrator,aSa);
if(fha!=null)
for(FacetHandler fh:fha)
fl.add(fh);
}catch(Exception ee){
System.out.println("ExtesionHandler:listExtensionHandlers:extension="+aSa+" error:"+ee.toString());
}
}
return fl.toArray(new FacetHandler[0]);
}catch(Exception e){
Logger.getLogger(ExtensionHandler.class.getName()).severe(e.toString());
return null;
}
}
/**
* Get the handler instance.
* @param entigrator entigrator instance
* @param extension$ extension key
* @param handlerClass$ class name
* @return handler instance.
*/
public static Object loadHandlerInstance(Entigrator entigrator,String extension$,String handlerClass$){
try{
if(debug)
System.out.println("ExtensionHandler:loadHandlerInstance:extension="+extension$+" handler="+handlerClass$);
Object obj=entigrator.getHandler(handlerClass$);
if(obj!=null)
return obj;
Sack extension=entigrator.getEntityAtKey(extension$);
String lib$=extension.getElementItemAt("field", "lib");
String jar$="jar:file:" +entigrator.getEntihome()+"/"+extension$+"/"+lib$+"!/";
if(debug)
System.out.println("ExtensionHandler:loadHandlerInstance:jar="+jar$);
ArrayList urll=new ArrayList();
urll.add(new URL(jar$));
String[]sa=extension.elementListNoSorted("external");
if(sa!=null){
File file;
for(String s:sa){
if(debug)
System.out.println("ExtensionHandler:loadHandlerInstance:s="+s);
file=new File(entigrator.getEntihome()+"/"+extension$+"/"+s);
if(file.exists())
urll.add(new URL("jar:file:"+file.getPath()+"!/"));
}
}
URL[] urls=urll.toArray(new URL[0]);
Core c=null;
String super$=null;
String facetHandler$;
//facet handler
c=extension.getElementItem("content.fhandler", handlerClass$);
if(c!=null)
super$=c.type;
if(super$==null){
facetHandler$=extension.getElementItemAtValue("content.jrenderer", handlerClass$);
if(facetHandler$!=null)
super$=extension.getElementItem("content.jrenderer",facetHandler$).type;
}
if(super$==null)
super$=extension.getElementItemAt("content.super", handlerClass$);
if(debug)
System.out.println("ExtensionHandler:loadHandlerInstance: handler="+handlerClass$+" super="+super$);
URLClassLoader cl;
if(super$==null||"null".equals(super$))
cl= new URLClassLoader(urls);
else{
Class sh=Class.forName(super$);
ClassLoader shLoader=sh.getClassLoader();
cl= new URLClassLoader(urls,shLoader);
}
Class cls=cl.loadClass(handlerClass$);
//cl.close();
if(debug)
System.out.println("ExtensionHandler:loadHandlerInstance:2");
if(cls==null)
if(debug)
System.out.println("ExtensionHandler:loadHandlerInstance:cannot load class="+handlerClass$);
try{
Constructor[] ctors = cls.getDeclaredConstructors();
Constructor ctor = null;
for (int i = 0; i < ctors.length; i++) {
ctor = ctors[i];
if (ctor.getGenericParameterTypes().length == 0)
break;
}
if(debug)
System.out.println("ExtensionHandler:loadHandlerInstance:constructor="+ctor.toGenericString());
ctor.setAccessible(true);
obj = ctor.newInstance();
}catch(java.lang.NoClassDefFoundError ee){
System.out.println("ExtensionHandler:loadHandlerInstance:"+ee.toString());
return null;
}
entigrator.putHandler(handlerClass$,obj);
return obj;
}catch(Exception e){
Logger.getLogger(ExtensionHandler.class.getName()).severe(e.toString());
return null;
}
}
private static FacetHandler[] listExtensionHandlers( Entigrator entigrator,String extension$){
try{
Sack extension=entigrator.getEntityAtKey(extension$);
String lib$=extension.getElementItemAt("field", "lib");
if(debug)
System.out.println("ExtesionHandler:listExtensionHandlers:extension="+extension.getProperty("label")+" jar="+lib$);
Core[] ca=extension.elementGet("content.fhandler");
if(ca==null)
return null;
ArrayListfl=new ArrayList();
FacetHandler fh;
Class cls=null;
String jar$="jar:file:" +entigrator.getEntihome()+"/"+extension$+"/"+lib$+"!/";
URL[] urls = { new URL(jar$) };
Class sh=null;
ClassLoader shLoader;
URLClassLoader cl;
Object obj;
for(Core c:ca){
try{
if(debug)
System.out.println("ExtensionHandler:listExtensionHandlers:facet handler="+c.name);
obj=entigrator.getHandler(c.name);
if(obj!=null){
if(debug)
System.out.println("ExtensionHandler:listExtensionHandlers:obj="+obj.getClass().getName());
if(obj instanceof FacetHandler){
fl.add((FacetHandler)obj);
continue;
}
}
if(c.type==null||"null".equals(c.type))
cl= new URLClassLoader(urls);
else{
sh=Class.forName(c.type);
shLoader=sh.getClassLoader();
cl= new URLClassLoader(urls,shLoader);
if(debug)
System.out.println("ExtensionHandler:listExtensionHandlers:super class ="+c.type);
}
try{
cls=cl.loadClass(c.name);
}catch(java.lang.ClassNotFoundException ee ){
if(debug)
System.out.println("ExtensionHandler:listExtensionHandlers:"+ee.toString());
continue;
}
entigrator.putHandler(c.name, cls);
fh=(FacetHandler)cls.newInstance();
entigrator.putHandler(c.name, fh);
fl.add(fh);
}catch(Exception ee){
Logger.getLogger(ExtensionHandler.class.getName()).severe("load class: "+ee.toString());
}
}
return fl.toArray(new FacetHandler[0]);
}catch(Exception e){
Logger.getLogger(ExtensionHandler.class.getName()).severe(e.toString());
return null;
}
}
public static String loadIcon(Entigrator entigrator,String extension$,String resource$){
try{
if(debug)
System.out.println("ExtensionHandler:loadIcon:extension="+extension$+" resource="+resource$);
Sack extension=entigrator.getEntityAtKey(extension$);
String lib$=extension.getElementItemAt("field", "lib");
String jar$=entigrator.getEntihome()+"/"+extension$+"/"+lib$;
if(new File(entigrator.getEntihome()+"/"+extension$+"/res.jar").exists())
jar$=entigrator.getEntihome()+"/"+extension$+"/res.jar";
if(debug)
System.out.println("ExtensionHandler:loadIcon:jar="+jar$);
ZipFile zf = new ZipFile(jar$);
Enumeration entries = zf.entries();
ZipEntry ze;
String[] sa;
while (entries.hasMoreElements()) {
try{
ze = entries.nextElement();
sa=ze.getName().split("/");
if(debug)
System.out.println("ExtensionHandler:loadIcon:zip entry="+sa[sa.length-1]+" resource="+resource$);
if(resource$.equals(sa[sa.length-1])){
InputStream is=zf.getInputStream(ze);
if(debug)
System.out.println("ExtensionHandler:loadIcon:input stream="+is.toString());
ByteArrayOutputStream bos = new ByteArrayOutputStream();
byte[] b = new byte[1024];
int bytesRead = 0;
while ((bytesRead = is.read(b)) != -1) {
bos.write(b, 0, bytesRead);
}
byte[] ba = bos.toByteArray();
is.close();
return Base64.encodeBase64String(ba);
}
}catch(Exception e){
}
}
return null;
}catch(Exception e){
Logger.getLogger(ExtensionHandler.class.getName()).severe(e.toString());
return null;
}
}
public static InputStream getResourceStream(Entigrator entigrator,String extension$,String resource$){
try{
if(debug)
System.out.println("ExtensionHandler:getResourceStream:extension="+extension$+" resource="+resource$);
Sack extension=entigrator.getEntityAtKey(extension$);
String lib$=extension.getElementItemAt("field", "lib");
String jar$=entigrator.getEntihome()+"/"+extension$+"/"+lib$;
ZipFile zf = new ZipFile(jar$);
Enumeration entries = zf.entries();
ZipEntry ze;
String[] sa;
while (entries.hasMoreElements()) {
try{
ze = entries.nextElement();
sa=ze.getName().split("/");
if(resource$.equals(sa[sa.length-1])){
InputStream is=zf.getInputStream(ze);
if(is!=null)
return is;
}
}catch(Exception e){
}
}
return null;
}catch(Exception e){
Logger.getLogger(ExtensionHandler.class.getName()).severe(e.toString());
return null;
}
}
public static InputStream getResourceStream(String jar$,String resource$){
try{
ZipFile zf = new ZipFile(jar$);
Enumeration entries = zf.entries();
ZipEntry ze;
String[] sa;
while (entries.hasMoreElements()) {
try{
ze = entries.nextElement();
sa=ze.getName().split("/");
if(resource$.equals(sa[sa.length-1])){
InputStream is=zf.getInputStream(ze);
if(is!=null)
return is;
}
}catch(Exception e){
}
}
zf.close();
return null;
}catch(Exception e){
Logger.getLogger(ExtensionHandler.class.getName()).severe(e.toString());
return null;
}
}
public static String[] listResourcesByType(String jar$,String type$){
try{
ArrayListsl=new ArrayList();
ZipFile zf = new ZipFile(jar$);
Enumeration entries = zf.entries();
ZipEntry ze;
String[] sa;
String resource$;
while (entries.hasMoreElements()) {
try{
ze = entries.nextElement();
sa=ze.getName().split("/");
resource$=sa[sa.length-1];
if(type$.equals(FileExpert.getExtension(resource$))){
sl.add(resource$);
}
}catch(Exception e){
}
}
return sl.toArray(new String[0]);
}catch(Exception e){
Logger.getLogger(ExtensionHandler.class.getName()).severe(e.toString());
return null;
}
}
private void adaptLabel(Entigrator entigrator){
try{
Sack entity=entigrator.getEntityAtKey(entityKey$);
entigrator.ent_assignProperty(entity, "extension", entityLabel$);
}catch(Exception e){
}
}
/**
* Adapt the clone of the entity.
*/
@Override
public void adaptClone(Entigrator entigrator) {
adaptLabel( entigrator);
}
/**
* Adapt the the entity after rename.
*/
@Override
public void adaptRename(Entigrator entigrator) {
adaptLabel( entigrator);
}
/**
* Get title of the extension handler.
* @return the title of the facet handler..
*/
@Override
public String getTitle() {
return "Extension";
}
/**
* Get type of the extension handler.
* @return the type of the facet handler..
*/
@Override
public String getType() {
return "extension";
}
/**
* Get class name of the extension handler.
* @return the class name of the facet handler..
*/
@Override
public String getClassName() {
return getClass().getName();
}
//
public static void addExtensionLibraries(Entigrator entigrator,String extension$){
try{
if(debug)
System.out.println("ExtensionHandler:addExtensionLibraries:extension="+extension$);
Object obj=null;
Sack extension=entigrator.getEntityAtKey(extension$);
String lib$=extension.getElementItemAt("field", "lib");
String jar$="jar:file:" +entigrator.getEntihome()+"/"+extension$+"/"+lib$+"!/";
ArrayList urll=new ArrayList();
urll.add(new URL(jar$));
String[]sa=extension.elementListNoSorted("classpath");
if(sa!=null){
File file;
for(String s:sa){
file=new File(entigrator.getEntihome()+"/"+extension$+"/"+s);
if(file.exists())
urll.add(new URL("jar:file:"+file.getPath()+"!/"));
}
}
URL[] urls=urll.toArray(new URL[0]);
URLClassLoader urlClassLoader = (URLClassLoader) Thread.currentThread().getContextClassLoader();
ExtensionClassLoader extensionLoader = new ExtensionClassLoader(urlClassLoader);
for(URL url:urls)
extensionLoader.addURL(url);
Thread.currentThread().setContextClassLoader(extensionLoader);
}catch(Exception e){
Logger.getLogger(ExtensionHandler.class.getName()).severe(e.toString());
}
}
public static class ExtensionClassLoader extends URLClassLoader{
public ExtensionClassLoader(URLClassLoader classLoader) {
super(classLoader.getURLs());
}
@Override
public void addURL(URL url) {
super.addURL(url);
}
}
public static String getClasspath(Entigrator entigrator){
try{
String[] sa=entigrator.indx_listEntities("entity","extension");
if(sa==null)
return null;
Sack extension;
String lib$;
String jar$;
File file;
StringBuffer sb=new StringBuffer();
String[]ca;
String separator$=System.getProperty("path.separator");
if(sa!=null){
for(String s:sa)
{
try{
extension=entigrator.getEntityAtKey(s);
lib$=extension.getElementItemAt("field", "lib");
file=new File(entigrator.getEntihome()+"/"+s+"/"+lib$);
if(file.exists())
sb=sb.append(separator$+file.getPath());
ca=extension.elementListNoSorted("classpath");
if(ca!=null){
for(String c:ca){
file=new File(entigrator.getEntihome()+"/"+s+"/"+s);
if(file.exists())
sb=sb.append(separator$+file.getPath());
}
}
}catch(Exception ee){
Logger.getLogger(ExtensionHandler.class.getName()).info(ee.toString());
}
}
}
File dependencies=new File(entigrator.getEntihome()+"/"+Entigrator.DEPENDENCIES);
if(dependencies.exists()&&dependencies.isDirectory()){
String[] da=dependencies.list();
if(da!=null)
for(String d:da){
if(d.endsWith(".jar"))
sb=sb.append(separator$+entigrator.getEntihome()+"/"+Entigrator.DEPENDENCIES+"/"+d);
}
}
return sb.toString();
}catch(Exception e){
Logger.getLogger(ExtensionHandler.class.getName()).severe(e.toString());
}
return null;
}
//
@Override
public void completeMigration(Entigrator entigrator) {
// TODO Auto-generated method stub
}
@Override
public String getLocation() {
// TODO Auto-generated method stub
return null;
}
}
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