/**
 * $Id: $
 * $Date: $
 *
 */

package org.xmlsh.sh.shell;

import java.net.URL;
import org.xmlsh.util.Util;

public class ShellConstants {

  public static final String ARG_SEPARATOR = " ";

  public static final String PROP_USER_HOME = "user.home";

  public static final String ENV_HOME = "HOME";
  public static final String PROP_JAVA_IO_TMPDIR = "java.io.tmpdir";
  public static final String ENV_TMPDIR = "TMPDIR";
  public static final String VAR_RANDOM64 = "RANDOM64";
  public static final String VAR_RANDOM32 = "RANDOM32";
  public static final String VAR_RANDOM = "RANDOM";
  public static final String PROP_USER_DIR = "user.dir";
  public static final String ENV_XDISABLE_LOGGING = "XDISABLE_LOGGING";
  public static final String ENV_XMLSH = "XMLSH";
  public static final String ENV_XMLSH_HOME = "XMLSH_HOME";

  public static final String XLOGFILE = "XLOGFILE";
  public static final String XLOG4JPATH = "XLOG4JPATH";
  public static final String XMLSHRC = "XMLSHRC";
  public static final String HOME = "HOME";
  public static final String PATH = "PATH";
  public static final String ENV_XPATH = "XPATH";
  public static final String ENV_XMODPATH = "XMODPATH";
  public static final String ENV_PWD = "PWD";
  public static final String ENV_OLDPWD = "OLDPWD";

  public static final String PS1 = "PS1";
  public static final String PS2 = "PS2";

  /**
   * Must call initialize atleast once, protects against multiple
   * initializations
   */
  public static void initialize() {

    if(Shell.bInitialized)
      return;
    // Force xerces for XML so saxon.jar doesnt get picked
    try {
      System.setProperty("javax.xml.parsers.SAXParserFactory",
          "org.apache.xerces.jaxp.SAXParserFactoryImpl");
    } catch (Throwable e) {
      // logging not yet initialized
    }

    String logging = Shell
        .getSystemProperty(ShellConstants.ENV_XDISABLE_LOGGING);
    Logging.configureLogger(Util.parseBoolean(logging, false));

    Shell.postInit("Logging Initialized");

    /*
     * Workaround a saxon bug - pre-initialize processor
     */
    // getProcessor();

    // Can only be called once per process
    try {
      URL.setURLStreamHandlerFactory(new ShellURLFactory());

    } catch (Error e) {
      // mLogger.debug("Exception trying to seURLStreamHandlerFactory" , e );
    }

    Shell.mSavedSystemProperties = System.getProperties();
    SystemEnvironment.getInstance().setProperty(ShellConstants.PROP_USER_DIR,
        System.getProperty(ShellConstants.PROP_USER_DIR));
    System.setProperties(new SystemProperties(System.getProperties()));
    // PropertyConfigurator.configure(Shell.class.getResource("log4j.properties"));

  }

  public static final char kDOT_CHAR = '.';

  public static final String XSH_EXTENSION = ".xsh";

  public static final String kENCODING_UTF_8 = "UTF-8";

  static final String kXMLSH_PROP_PREFIX = "xmlsh.";

}

/*
 * Copyright (C) 2008-2012 David A. Lee.
 * 
 * The contents of this file are subject to the "Simplified BSD License" (the
 * "License");
 * you may not use this file except in compliance with the License. You may
 * obtain a copy of the
 * License at http://www.opensource.org/licenses/bsd-license.php
 * 
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied.
 * See the License for the specific language governing rights and limitations
 * under the License.
 *
 * The Original Code is: all this file.
 *
 * The Initial Developer of the Original Code is David A. Lee
 *
 * Portions created by (your name) are Copyright (C) (your legal entity). All
 * Rights Reserved.
 *
 * Contributor(s): David A. Lee
 * 
 */