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package com.sun.enterprise.admin.server.core.mbean.config;
//Logging imports
import java.util.logging.Logger;
import com.sun.enterprise.admin.server.core.AdminService;
//Config imports
import com.sun.enterprise.config.serverbeans.ServerTags;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.FactoryConfigurationError;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.DOMException;
import org.w3c.dom.Node;
import org.w3c.dom.NamedNodeMap;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
//Keep the following registry at one place - used for deployment
import com.sun.enterprise.deployment.xml.DTDRegistry;
//i18n import
import com.sun.enterprise.admin.common.exception.ControlException;
import com.sun.enterprise.util.i18n.StringManager;
public class ModulesXMLHelper
{
public static final int MODULE_TYPE_EJB = 0x01;
public static final int MODULE_TYPE_WEB = 0x02;
public static final int MODULE_TYPE_JAVA = 0x04;
public static final int MODULE_TYPE_ALL = 0xff;
public static final int EJB_TYPE_SESSION = 0x01;
public static final int EJB_TYPE_ENTITY = 0x02;
public static final int EJB_TYPE_MSGDRIVEN = 0x04;
public static final int EJB_TYPE_ALL = 0xff;
//application tags
static final String APPLICATION_TAG = "application";
static final String MODULE_TAG = "module";
static final String EJB_MODULE_TAG = "ejb";
static final String WEB_MODULE_TAG = "web";
static final String WEB_URI_TAG = "web-uri";
static final String CONTEXT_ROOT_TAG= "context-root";
static final String JAVA_MODULE_TAG = "java";
//EJB - tags
static final String ENTERPRISE_BEANS_TAG = "enterprise-beans";
static final String SESSION_TAG = "session";
static final String ENTITY_TAG = "entity";
static final String MESSAGE_DRIVEN_TAG = "message-driven";
static final String EJB_NAME_TAG = "ejb-name";
//WEB - tags
static final String SERVLET_TAG = "servlet";
static final String SERVLET_NAME_TAG = "servlet-name";
static final Logger sLogger = AdminService.sLogger;
Document document;
public ModulesXMLHelper(String fileName) throws Exception
{
document = createDocument(fileName);
}
public static String[] getModulesFromApplicationLocation(String appLocation, int moduleType) throws Exception
{
ModulesXMLHelper myObj = new ModulesXMLHelper(appLocation + "/META-INF/application.xml");
return myObj.getModules(moduleType);
}
public static boolean isModuleExists(String appLocation, String moduleName, int moduleType) throws Exception
{
String[] strs = getModulesFromApplicationLocation(appLocation, moduleType);
if(strs!=null)
for(int i=0; i<strs.length; i++)
if(moduleName.equals(strs[i]))
return true;
return false;
}
public static String[] getEnterpriseBeansForEjbModule(String location, String ejbModuleName, int ejbTypes) throws Exception
{
if(ejbModuleName!=null)
{ //not standalone - add super directory
if(ejbModuleName.endsWith(".jar"))
ejbModuleName = ejbModuleName.substring(0, ejbModuleName.length()-4);
location = location + "/" + ejbModuleName + "_jar";
}
ModulesXMLHelper myObj = new ModulesXMLHelper(location + "/META-INF/ejb-jar.xml");
return myObj.getEnterpriseBeans(ejbTypes);
}
public static String[] getServletsForWebModule(String location, String webModuleName) throws Exception
{
if(webModuleName!=null)
{ //not standalone - add super directory to appLocation
if(webModuleName.endsWith(".war"))
webModuleName = webModuleName.substring(0, webModuleName.length()-4);
location = location + "/" + webModuleName + "_war";
}
ModulesXMLHelper myObj = new ModulesXMLHelper(location + "/WEB-INF/web.xml");
return myObj.getServlets();
}
public String[] getModules(int moduleType) throws Exception
{
if (document != null)
{
ArrayList arr = findChildNodesByName(document.getDocumentElement(), MODULE_TAG);
String [] strs = new String[arr.size()];
int noNullCount = 0;
for (int i=0; i<arr.size(); i++)
{
String str = getModuleNameFromNode((Node)arr.get(i), moduleType);
if(str!=null)
strs[noNullCount++] = str;
}
String [] res = new String[noNullCount];
for (int i=0; i<noNullCount; i++)
{
res[i] = strs[i];
}
return res;
}
return new String[0];
}
public String[] getEnterpriseBeans(int ejbType) throws Exception
{
if (document != null)
{
Node beansListNode = findChildNodeByName(document.getDocumentElement(), ENTERPRISE_BEANS_TAG);
if(beansListNode!=null)
{
ArrayList resList = new ArrayList();
if((ejbType&EJB_TYPE_SESSION)!=0)
addToListEjbNames(resList, beansListNode, SESSION_TAG);
if((ejbType&EJB_TYPE_SESSION)!=0)
addToListEjbNames(resList, beansListNode, ENTITY_TAG);
if((ejbType&EJB_TYPE_SESSION)!=0)
addToListEjbNames(resList, beansListNode, MESSAGE_DRIVEN_TAG);
String [] res = new String[resList.size()];
for (int i=0; i<res.length; i++)
{
res[i] = (String)(resList.get(i));
}
return res;
// return ((String[]) resList.toArray());
}
}
return new String[0];
}
public String[] getServlets() throws Exception
{
if (document != null)
{
ArrayList arr = findChildNodesByName(document.getDocumentElement(), SERVLET_TAG);
String [] res = new String[arr.size()];
for (int i=0; i<arr.size(); i++)
{
Node nameNode = findChildNodeByName((Node)arr.get(i), SERVLET_NAME_TAG);
res[i] = getTextForNode(nameNode);
}
return res;
}
return new String[0];
}
private void addToListEjbNames(ArrayList listToAdd, Node listNode, String tag)
{
ArrayList arr = findChildNodesByName(listNode, tag);
for (int i=0; i<arr.size(); i++)
{
Node nameNode = findChildNodeByName((Node)arr.get(i), EJB_NAME_TAG);
listToAdd.add(getTextForNode(nameNode));
}
}
private Document createDocument(String fileName) throws Exception
{
DocumentBuilderFactory factory =
DocumentBuilderFactory.newInstance();
Document document;
try
{
DocumentBuilder builder = factory.newDocumentBuilder();
EntityResolver resolver = new AdminEntityResolver();
builder.setEntityResolver(resolver);
document = builder.parse(new File(fileName));
}
catch (SAXException sxe)
{
// Error generated during parsing)
Exception x = sxe;
if (sxe.getException() != null)
x = sxe.getException();
sLogger.throwing(getClass().getName(), "createDocument", x);
throw new ControlException(x.getLocalizedMessage());
}
catch (ParserConfigurationException pce)
{
// Parser with specified options can't be built
sLogger.throwing(getClass().getName(), "createDocument", pce);
throw new ControlException(pce.getLocalizedMessage());
}
catch (IOException ioe)
{
// I/O error
sLogger.throwing(getClass().getName(), "createDocument", ioe);
throw new ControlException(ioe.getLocalizedMessage());
}
return document;
}
private ArrayList findChildNodesByName(Node node, String name)
{
ArrayList resNodes = new ArrayList();
for (node = node.getFirstChild(); node != null; node = node.getNextSibling())
{
if(node.getNodeName().equalsIgnoreCase(name))
resNodes.add(node);
}
return resNodes;
}
private Node findChildNodeByName(Node node, String name)
{
for (node = node.getFirstChild(); node != null; node = node.getNextSibling())
{
if(node.getNodeName().equalsIgnoreCase(name))
return node;
}
return null;
}
private String getModuleNameFromNode(Node node, int moduleType)
{
ArrayList arr;
if((moduleType&MODULE_TYPE_EJB)!=0 &&
(arr=findChildNodesByName(node, EJB_MODULE_TAG)).size()>0)
return getTextForNode((Node)arr.get(0));
if((moduleType&MODULE_TYPE_JAVA)!=0 &&
(arr=findChildNodesByName(node, JAVA_MODULE_TAG)).size()>0)
return getTextForNode((Node)arr.get(0));
if((moduleType&MODULE_TYPE_WEB)!=0 &&
(arr=findChildNodesByName(node, WEB_MODULE_TAG)).size()>0)
{
node = (Node)arr.get(0);
if((arr=findChildNodesByName(node, WEB_URI_TAG))!=null &&
arr.size()>0)
{
String desc = getTextForNode((Node)arr.get(0));
/*
// desc = web-uri till now
String contextRoot = "";
// now get the context-root - this is helpful
arr = findChildNodesByName(node, CONTEXT_ROOT_TAG);
if (arr != null && arr.size() > 0)
{
contextRoot = getTextForNode((Node) arr.get(0));
}
if (contextRoot != null)
{
desc = contextRoot + ":" + desc;
}
*/
return desc;
}
}
return null;
}
private String getTextForNode(Node node)
{
for (node = node.getFirstChild(); node != null; node = node.getNextSibling())
{
if(node.getNodeType()==Node.TEXT_NODE)
return node.getNodeValue();
}
return null;
}
}
class AdminEntityResolver implements EntityResolver
{
static final Logger sLogger = AdminService.sLogger;
private static StringManager localStrings = StringManager.getManager
(com.sun.enterprise.admin.server.core.mbean.config.ModulesXMLHelper.class);
public InputSource resolveEntity(String publicId, String systemId) throws
SAXException, IOException
{
InputSource is = null;
String completeDTDPath ="";
if (completeDTDPath != null)
{
/* DTDRegistry returns the paths with a leading '/' which we
* should get rid of here */
is = new InputSource
(ClassLoader.getSystemResourceAsStream(completeDTDPath.substring(1)));
sLogger.finest("publicId = " + publicId);
sLogger.finest("dtd path = " + completeDTDPath);
}
else
{
String msg = localStrings.getString
("admin.server.core.mbean.config.invalid_public_id", publicId);
SAXException se = new SAXException(msg);
sLogger.throwing(getClass().getName(), "resolveEntity", se);
throw se;
}
return is;
}
}
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