cn.loveapple.client.android.util.StringUtils.java Source code

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Here is the source code for cn.loveapple.client.android.util.StringUtils.java

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/*
 * $HeadURL$
 * $Author$
 * $Revision$
 * $Date$
 *
 * ====================================================================
 *
 * Copyright (C) 2008 by loveapple.cn
 *
 * All copyright notices regarding loveapple and loveapple CoreLib
 * MUST remain intact in the scripts, documents and source code.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public 
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Correspondence and Marketing Questions can be sent to:
 * info at loveapple
 *
 * @author: loveapple
 */
package cn.loveapple.client.android.util;

import static cn.loveapple.client.android.Constant.SCHEMA_HTTPS_STR;
import static cn.loveapple.client.android.Constant.SCHEMA_HTTP_STR;

/**
 * 
 * @author $Author$
 * @version $Revision$
 * @date $Date$
 * @id $Id$
 *
 */
public class StringUtils extends org.apache.commons.lang.StringUtils {
    /**
     * 
     * @param src
     * @return
     */
    public static String convertClassName2ResourceName(String src) {
        if (isBlank(src)) {
            return src;
        }
        StringBuilder result = new StringBuilder(src.length() + 6);
        char[] chars = src.toCharArray();
        for (int i = 0; i < chars.length; i++) {
            char c = chars[i];
            if ('A' <= c && c <= 'Z') {
                if (0 < i) {
                    result.append('_');
                }
                result.append((char) (c + 32));
            } else {
                result.append(c);
            }
        }
        return result.toString();
    }

    public static String getUrlWhitchSchema(String url) {
        if (isEmpty(url)) {
            return url;
        }
        if (url.startsWith(SCHEMA_HTTP_STR) || url.startsWith(SCHEMA_HTTPS_STR)) {
            return url;
        }
        return SCHEMA_HTTP_STR + url;
    }

    public static String getHost(String url) {
        if (isEmpty(url)) {
            return url;
        }
        String host = null;
        if (url.startsWith(SCHEMA_HTTP_STR)) {
            host = url.substring(SCHEMA_HTTP_STR.length());
        } else if (url.startsWith(SCHEMA_HTTPS_STR)) {
            host = url.substring(SCHEMA_HTTPS_STR.length());
        } else {
            host = url;
        }
        int endPoint = host.indexOf('/');
        if (endPoint < 0) {
            return host;
        }
        return host.substring(0, endPoint);
    }

    public static String[] explodeHostAndPort(String url) {
        if (isEmpty(url)) {
            return null;
        }
        return url.split(":", 2);
    }
}