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An efficient, fast, convenient, easy to learn, easy to use MVC framework and ORM framework. It is seamless compatible with JSTL and supports FreeMarker. It can run independently, and it can also be applied to traditional Java Web projects. It is an efficient, fast, convenient, easy to learn and easy to use MVC framework and ORM framework. It is seamless compatible with JSTL and supports FreeMarker. It can be run on its own, or it can be applied to traditional Java Web projects

There is a newer version: 2023.06.19

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package org.docshare.orm;

import java.util.Collection;

public class ArrayTool {
	@SuppressWarnings("rawtypes")
	public static String join(String joiner,Collection c){
		if(c.size() == 0) return "";
		
		StringBuilder sb = new StringBuilder();
		boolean first =true;
		for(Object o: c){
			if(first){
				sb.append(o);
				first =false;
			}else{
				sb.append(joiner);
				sb.append(o);
			}
		}
		
		

		return sb.toString();
	}
	@SuppressWarnings("rawtypes")
	public static String joinWithLengthLimit(String joiner,Collection c,int len){
		StringBuilder sb = new StringBuilder();
		for(Object o: c){
			String t = "";
			if( o == null) t= "null";
			else if(o.toString().length()>len){
				t = o.toString().substring(0,len)+"...";
			}else t = o.toString();
			sb.append(joiner+t);
		}
		String s = sb.toString();
		if(s.length()<=0)return s;
		
		s = s.substring(joiner.length());
		return s;
	}
	public static String valueWrapper(String name,Object o,String type){
		String val = "";
		if(o==null){
			val = "null";
		}else if(type.contains("INT") || type.contains("FLOAT") || type.contains("DOUBLE") || type.contains("DECIMAL")){
			val = o.toString();
		}		
		else {//if(type.contains("CHAR") || type.contains("TEXT") || type.contains("DATE") || type.contains("TIME")){
			val= "'"+o.toString()+"'";
		//}else{
		//	val= o.toString();
		}
		if(name == null)return val;
		return name +"="+ val;
	}

	public static String join(String joiner, Object[] c) {
		StringBuilder sb = new StringBuilder();
		if(c == null)return "";
		for(Object o: c){
			sb.append(joiner+o);
		}
		String s = sb.toString();
		if(s.length()<=0)return s;
		
		s = s.substring(joiner.length());
		return s;
	}


	
}