/*
 * ServerStringConverter.java
 *
 * Created on August 21, 2003, 7:13 AM
 */

package org.netbeans.modules.j2ee.deployment.impl;

import org.w3c.dom.Element;
import org.w3c.dom.Document;
import org.w3c.dom.DOMException;
import org.w3c.dom.NodeList;
import java.io.*;

import org.netbeans.spi.settings.DOMConvertor;
import org.netbeans.spi.settings.Saver;

import org.openide.filesystems.FileObject;
import org.openide.filesystems.URLMapper;
import org.openide.util.Lookup;
import org.openide.ErrorManager;
import org.openide.util.NbBundle;
import org.openide.filesystems.*;

/**
 *
 * @author  nn136682
 */
public class ServerStringConverter extends org.netbeans.spi.settings.DOMConvertor {
    
    private static final String E_SERVER_STRING = "server-string";
    private static final String E_TARGET = "target";
    private static final String A_PLUGIN = "plugin";
    private static final String A_URL = "url";
    private static final String A_NAME = "name";
    private static final String PUBLIC_ID = "-//org_netbeans_modules_j2ee//DTD ServerString 1.0//EN"; // NOI18N
    private static final String SYSTEM_ID = "nbres:/org/netbeans/modules/j2ee/deployment/impl/server-string.dtd"; // NOI18N
    
    private Saver saver;
    
    public static boolean writeServerInstance(ServerString instance, String destDir, String destFile) {
        FileLock lock = null;
        Writer writer = null;
        try {
            FileObject dir = Repository.getDefault().getDefaultFileSystem().findResource(destDir);
            FileObject fo = FileUtil.createData(dir, destFile);
            lock = fo.lock();
            writer = new OutputStreamWriter(fo.getOutputStream(lock));
            create().write(writer, instance);
            return true;
            
        } catch(Exception ioe) {
            org.openide.ErrorManager.getDefault().notify(org.openide.ErrorManager.WARNING, ioe);
            return false;
        }
        finally {
            try {
            if (lock != null) lock.releaseLock();
            if (writer != null) writer.close();
            } catch (Exception e) {
                org.openide.ErrorManager.getDefault().notify(org.openide.ErrorManager.WARNING, e);
            }
        }
    }

    public static ServerString readServerInstance(String fromDir, String fromFile) {
        Reader reader = null;
        try {
            FileObject dir = Repository.getDefault().getDefaultFileSystem().findResource(fromDir);
            FileObject fo = dir.getFileObject (fromFile);
            if (fo == null)
                return null;
            
            reader = new InputStreamReader(fo.getInputStream());
            return (ServerString) create().read(reader);
        } catch(Exception ioe) {
            org.openide.ErrorManager.getDefault().notify(org.openide.ErrorManager.WARNING, ioe);
            return null;
        } finally {
            try {  if (reader != null) reader.close(); } catch(Exception e) {
                ErrorManager.getDefault().notify(ErrorManager.WARNING, e);
            }
        }
    }
    
    public static DOMConvertor create() {
        return new ServerStringConverter();
    }
    
    /** Creates a new instance of ServerStringConverter */
    protected ServerStringConverter() {
        super(PUBLIC_ID, SYSTEM_ID, E_SERVER_STRING);
    }
    
    protected Object readElement(org.w3c.dom.Element element) throws java.io.IOException, ClassNotFoundException {
        NodeList targetElements =  element.getElementsByTagName(E_TARGET);
        String[] targets = new String[targetElements.getLength()];
        for (int i=0; i