Java Code Examples for com.xnx3.Lang#subString()

/**
 * 传入组合的列名，如 >create_date  或 =id
 * @param groupColumn 
 */
public SqlColumn(String groupColumn){
	for (int i = 0; i < Sql.COLUMN_GROUP.length; i++) {
		if(groupColumn.indexOf(Sql.COLUMN_GROUP[i])>0){
			this.operators = Sql.COLUMN_GROUP[i];
			this.columnName = groupColumn.replace(this.operators, "");
			break;
		}
	}
	
	if(this.operators==null){
		this.columnName = groupColumn;
	}
	
	/**
	 * 时间判断筛选
	 */
	boolean isDateToInt = this.columnName.indexOf("date")>0;	//判断是否需要进行时间戳转换
	if(isDateToInt){
		this.dateFormat = Lang.subString(columnName, "(date:", ")",2);
		this.columnName = this.columnName.replace("(date:"+this.dateFormat+")", "");
	}
}
 

/**
 * 获取IP地址，只会返回一个IP
 * @param request
 * @return <li>成功：返回一个ip
 * 			<li>失败：返回null
 */
public static String getIpAddress(HttpServletRequest request) {  
    String ip = request.getHeader("x-forwarded-for");  
    if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {  
        ip = request.getHeader("Proxy-Client-IP");  
    }  
    if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {  
        ip = request.getHeader("WL-Proxy-Client-IP");  
    }  
    if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {  
        ip = request.getRemoteAddr();  
    }  
    
    //如果有多个ip，拿最前面的
    if(ip.indexOf(",")>0){
    	ip=Lang.subString(ip, null, ",", 2);
    }
    
    if(ip.equals("0:0:0:0:0:0:0:1")){
    	ip = "127.0.0.1";
    }
    return ip;  
}
 

/**
	 * @param refererPagePath 来源页面的路径所在。如 www.baidu.com/a/b/c.html 那么这里便是 www.baidu.com/a/b/ 此项的作用，是当 originalUrl 是相对路径时，进行自动补齐其路径
	 */
	public Resource(String baseUri, String originalUrl) {
		this.originalUrl = originalUrl;
		if(baseUri.lastIndexOf("/") < baseUri.length() - 1){
			this.baseUri = Lang.subString(baseUri, "/", null, 3);
		}else{
			this.baseUri = baseUri;
		}
		
		//原始url
		if(originalUrl == null || originalUrl.length() < 2){
			return;
		}
		
		//资源在网络的绝对地址
		if(originalUrl.indexOf("http://") == 0 || originalUrl.indexOf("https://") == 0 || originalUrl.indexOf("//") == 0){
			//传入的是绝对url
			this.netUrl = originalUrl;
		}else{
			//传入的是相对路径，计算出绝对路径。
			if(originalUrl.indexOf("./") == 0){
				//是资源文件饮用
				this.netUrl = this.baseUri + originalUrl.substring(2, originalUrl.length());
			}else if (originalUrl.indexOf("../") == 0) {
				//上级文件，针对此项目，那应该就是html文件了
//				this.netUrl = Lang.subString(this.baseUri.substring(0, this.baseUri.length() - 1), "/", null, 3) + originalUrl.substring(3, originalUrl.length());
				//需要找baseUri的上一级目录
				this.netUrl = this.baseUri.substring(0, this.baseUri.substring(0, this.baseUri.length()-1).lastIndexOf("/")+1) + originalUrl.substring(3, originalUrl.length());
			}else if (originalUrl.indexOf("/") == 0) {
				//是根目录
				System.out.println("根目录");
			}else{
				//什么也没有，直接跟在后面即可
				this.netUrl = this.baseUri + originalUrl;
			}
		}
		
		jisuanLocalFile();
	}
 

/**
 * 获取HTML注释中的指定配置名的文本内容，若没发现这个配置，返回""
 * @param sourceText 指定的HTML内容
 * @param configName 参数名
 * @return 值
 */
public static String getConfigValue(String sourceText,String configName){
	if(sourceText.indexOf("<!--"+configName+"=") > -1){
		return Lang.subString(sourceText, "<!--"+configName+"=", "-->",2);
	}else{
		return "";
	}
}
 

/**
	 * 根据this.netUrl 网上的绝对路径，来计算存到本地的路径
	 */
	public void jisuanLocalFile(){
		
//		String originalUrl = null;
		if(this.netUrl.lastIndexOf("/") < 5){
			Global.log("debug netUrl.lastIndexOf < 5, netUrl:"+this.netUrl);
			return;
		}else{
			//保存到本地的文件
			this.localFile = UrlUtil.getFileName(this.netUrl);
//					StringUtil.getFileNameByUrl(this.netUrl);
		}

		//判断资源类型，是html、css、js、image
		//获取资源的后缀名＋后面？的一堆
		String suffix = Lang.subString(this.localFile, ".", null, 4);
		//图片文件后缀
		String[] imgs = {"jpg","jpeg","gif","png","bmp","ico","svg"};
		String type = null;
		for (int i = 0; i < imgs.length; i++) {
			if(suffix.equalsIgnoreCase(imgs[i])){
				type = "image";
				break;
			}
		}
		if(type == null){
			//判断是否是js后缀
			if(suffix.equalsIgnoreCase("js")){
				type = "js";
			}
		}
		if(type == null){
			//判断是否是css后缀
			String[] csss = {"css","woff2","woff","eot","ttf","otf"};
			for (int i = 0; i < csss.length; i++) {
				if(suffix.equalsIgnoreCase(csss[i])){
					type = "css";
					break;
				}
			}
		}
		if(type == null){
			//判断是否是html文件
			String[] htmls = {"htm","html","shtml","jsp","action","do","asp","aspx","php"};
			for (int i = 0; i < htmls.length; i++) {
				if(suffix.equalsIgnoreCase(htmls[i])){
					type = "html";
					suffix = "html";	//后缀名变为html
					this.localFile.replace("."+htmls[i], "html");	//将缓存的后缀改为html
					break;
				}
			}
		}
		if(type == null){
			System.out.println("未发现什么类型。type:"+type+",--"+originalUrl);
			this.localUrl = Global.getLocalTemplatePath();
			this.localRelativePath = "/";
		}else{
			switch (type) {
			case "image":
				this.localUrl = Global.getLocalTemplatePath()+"images/";
				this.localRelativePath = "images/";
				break;
			case "js":
				this.localUrl = Global.getLocalTemplatePath()+"js/";
				this.localRelativePath = "js/";
				break;
			case "css":
				this.localUrl = Global.getLocalTemplatePath()+"css/";
				this.localRelativePath = "css/";
				break;
			case "html":
				this.localUrl = Global.getLocalTemplatePath();
				this.localRelativePath = "/";
				break;
			default:
				this.localUrl = Global.getLocalTemplatePath();
				this.localRelativePath = "/";
				break;
			}
		}

		
		//判断磁盘上这个文件是否存在
		if(FileUtil.exists(this.localUrl + localFile)){
			//已经存在了，那么要重新命名，不能覆盖
			this.localFile = Lang.subString(this.localFile, null, ".")+"_"+Lang.uuid()+"."+suffix;
		}
		
		//赋值，当前存储再磁盘的绝对路径
		this.localUrl = this.localUrl + this.localFile;
	}
 

/**
 * 获取指定HTML注释中间的文字内容。 如 <pre>首页<!--aboutUs_Start-->12<!--aboutUs_End-->新闻 ，获取其内的 12</pre>
 * @param sourceText 原始字符串，要提取的原始字符
 * @param htmlTag 替换的标签，如 aboutUs
 * @return
 */
public static String getAnnoCenterString(String sourceText,String htmlTag){
	return Lang.subString(sourceText, "<!--"+htmlTag+"_Start-->", "<!--"+htmlTag+"_End-->",2);
}
 

/**
 * 获取指定HTML注释中间的文字内容,通过start＋id来获取。 如 <pre>首页<!--aboutUs_Start--><!--id=12-->这是内容啊啊啊<!--aboutUs_End-->新闻 ，获取其内的 12</pre>
 * @param sourceText 原始字符串，要提取的原始字符
 * @param htmlTag 替换的标签，如 aboutUs
 * @return
 */
public static String getAnnoCenterStringById(String sourceText,String htmlTag, String id){
	return Lang.subString(sourceText, "<!--"+htmlTag+"_Start--><!--id="+id+"-->", "<!--"+htmlTag+"_End-->",2);
}
 

/**
 * 上传文件。上传后的文件名固定
 * @param path 上传到哪里，包含上传后的文件名，如"image/head/123.jpg"
 * @param inputStream 文件
 * @return {@link PutResult}
 */
public PutResult put(String path,InputStream inputStream){
	PutObjectResult pr = getOSSClient().putObject(bucketName, path, inputStream);
	String name = Lang.subString(path, "/", null, 3);
	return new PutResult(name, path,url+path);
}
 

/**
 * 上传文件。上传后的文件名固定
 * @param path 上传到哪里，包含上传后的文件名，如"image/head/123.jpg"
 * @param inputStream 文件
 * @return {@link PutResult}
 */
public static PutResult put(String path,InputStream inputStream){
	PutObjectResult pr = getOSSClient().putObject(bucketName, path, inputStream);
	String name = Lang.subString(path, "/", null, 3);
	return new PutResult(name, path,url+path);
}