/* * Copyright (c) 2001 Sun Microsystems, Inc.  All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in *    the documentation and/or other materials provided with the *    distribution. * * 3. The end-user documentation included with the redistribution, *    if any, must include the following acknowledgment: *       "This product includes software developed by the *       Sun Microsystems, Inc. for Project JXTA." *    Alternately, this acknowledgment may appear in the software itself, *    if and wherever such third-party acknowledgments normally appear. * * 4. The names "Sun", "Sun Microsystems, Inc.", "RosettaChat", "JXTA" and *    "Project JXTA" must not be used to endorse or promote products derived *    from this software without prior written permission. For written *    permission, please contact Project JXTA at http://www.jxta.org. * * 5. Products derived from this software may not be called "JXTA", *    nor may "JXTA" appear in their name, without prior written *    permission of Sun. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED.  IN NO EVENT SHALL SUN MICROSYSTEMS OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of Project JXTA.  For more * information on Project JXTA, please see * <http://www.jxta.org/>. * * This license is based on the BSD license adopted by the Apache Foundation. */package net.jxta.myjxta.misc.rosettachat.http;import java.util.*;/** * Util.java * * @author James Todd [jwtodd@pacbell.net] * @version */public class Util {	public static final int MINIMUM_UNICODE = 0x7f + 1;	private static Map getHeaders = null;	private static Map postHeaders = null;	static {		getHeaders = new HashMap();		getHeaders.put(Constants.MIME.Key.USER_AGENT,					   Constants.MIME.Value.FALCON);		getHeaders.put(Constants.MIME.Key.ACCEPT,					   Constants.MIME.Value.ACCEPT_ALL);		getHeaders.put(Constants.MIME.Key.CONNECTION,					   Constants.MIME.Value.KEEP_ALIVE);		postHeaders = new HashMap();		postHeaders.putAll(getHeaders);		postHeaders.put(Constants.MIME.Key.ACCEPT_CHARSET,						Constants.MIME.Value.CHARSET);		postHeaders.put(Constants.MIME.Key.CONTENT_TYPE,						Constants.MIME.Value.URL_FORM_ENCODED);	};	public static Map getDefaultGetHeaders() {		return getHeaders;	}	public static Map getDefaultPostHeaders() {		return postHeaders;	}	public static String getCharSet(String contentType) {		final String defaultCharSet = "UTF8";		String charSet = null;		if (contentType != null) {			String charSetPrefix = "charset=";			int index = contentType.toLowerCase().indexOf(charSetPrefix);			if (index > -1) {				charSet = contentType.substring(index +												charSetPrefix.length());			}			if (charSet != null) {				if (charSet.equalsIgnoreCase("cp1252")) {					charSet = "Cp1252";				} else if (charSet.equalsIgnoreCase("big5")) {					charSet = "Big5";				} else if (charSet.equalsIgnoreCase("gb2312")) {					charSet = "GB2312";				} else if (charSet.equalsIgnoreCase("shift_jis")) {					charSet = "SJIS";				} else if (charSet.equalsIgnoreCase("utf-8")) {					charSet = defaultCharSet;				} else {					charSet = null;				}			}		}		return ((charSet != null) ? charSet : defaultCharSet);	}	public static String toUnicodeEncoded(String data) {		final int unicodeSize = 4;		StringBuffer sb = new StringBuffer();		if (data != null) {			int l = data.length();			for (int i = 0; i < l; i++) {				if (data.charAt(i) >= MINIMUM_UNICODE) {					sb.append("\\u");					String s = Integer.toHexString((int)data.charAt(i));					for (int j = 0; j < unicodeSize - s.length(); j++) {						sb.append("0");					}					sb.append(s);				} else {					sb.append(data.charAt(i));				}			}		}		return sb.toString();	}}