org.stathissideris.ascii2image.text.StringUtils Maven / Gradle / Ivy

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PlantUML is a component that allows to quickly write : * sequence diagram, * use case diagram, * class diagram, * activity diagram, * component diagram, * state diagram * object diagram
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/*
 * DiTAA - Diagrams Through Ascii Art
 * 
 * Copyright (C) 2004 Efstathios Sideris
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *   
 */
package org.stathissideris.ascii2image.text;

/**
 * @author sideris
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class StringUtils {

	/**
	 * The indexOf idiom
	 * 
	 * @param big
	 * @param fragment
	 * @return
	 */
	public static boolean contains(String big, String fragment){
		return (big.indexOf(fragment) != -1);
	}
	
	public static String repeatString(String string, int repeats){
		if(repeats == 0) return "";
		String buffer = "";
		for(int i=0; i < repeats; i++){
			buffer += string;
		}
		return buffer;
	}
	
	/*public static String repeatString(String string, int repeats){
		if(repeats == 0) return "";
		StringBuffer buffer = new StringBuffer("");
		for(int i=0; i < repeats; i++){
			buffer.append(string);
		}
		return buffer.toString();
	}*/
	
	public static boolean isBlank(String s){
		return (s.length() == 0 || s.matches("^\\s*$"));
	}
	
	/**
	 * 
	 * Converts the first character of string into a capital letter
	 * 
	 * @param string
	 * @return
	 */
	public static String firstToUpper(String string){
		return string.substring(0,1).toUpperCase()+string.substring(1);
	}
	
	public static String insertSpaceAtCaps(String string){

		int uppers = 0;

		//first we count
		for(int i=0; i < string.length(); i++){
			if(Character.isUpperCase(string.charAt(i))) uppers++;
		}

		int[] indexes = null;
		
		if(Character.isUpperCase(string.charAt(0))){		
			indexes = new int[uppers];
		} else {
			indexes = new int[++uppers];
		}
		indexes[0] = 0;		
		int k = 1;

		//then we find the indexes (we have ckecked the first char already)
		for(int j =1; j < string.length(); j++){
			if(Character.isUpperCase(string.charAt(j))) indexes[k++] = j;
		}
		
		StringBuffer buffer = new StringBuffer("");
		//and finally we breakup the String
		for(int i =0; i < indexes.length; i++){
			if(i+1 < indexes.length){
				buffer.append(string.substring(indexes[i], indexes[i+1]));
				buffer.append(" ");
			} else {
				buffer.append(string.substring(indexes[i]));
			}			
		}
		return buffer.toString();
	}
	
	
	public static boolean isOneOf(char c, char[] group){
		for(int i = 0; i < group.length; i++)
			if(c == group[i]) return true;
		return false;
	}

	public static boolean isOneOf(String str, String[] group){
		for(int i = 0; i < group.length; i++)
			if(str.equals(group[i])) return true;
		return false;
	}

	public static String getPath(String fullPath){
		if(fullPath.lastIndexOf("\\") != -1)
			return fullPath.substring(0, fullPath.lastIndexOf("\\"));
		else return "";
	}

	public static String getBaseFilename(String fullPath){
		if(fullPath.lastIndexOf(".") != -1 && fullPath.lastIndexOf("\\") != -1)
			return fullPath.substring(fullPath.lastIndexOf("\\") + 1, fullPath.lastIndexOf("."));
		else return fullPath; 
	}

	public static String getExtension(String fullPath){
		if(fullPath.lastIndexOf(".") != -1)
			return fullPath.substring(fullPath.lastIndexOf(".") + 1);
		else return "";
	}

	
	public static void main(String[] args){
		System.out.println("1 "+StringUtils.firstToUpper("testing"));
		System.out.println("2 "+StringUtils.firstToUpper(" testing"));
		System.out.println("3 "+StringUtils.firstToUpper("_testing"));
		System.out.println("4 "+StringUtils.firstToUpper("Testing"));
		System.out.println("5 "+StringUtils.firstToUpper("ttesting"));
		String path = "C:\\Files\\test.txt";
		System.out.println(path);
		System.out.println(StringUtils.getPath(path));
		System.out.println(StringUtils.getBaseFilename(path));
		System.out.println(StringUtils.getExtension(path));
		
		path = "test.txt";
		System.out.println(path);
		System.out.println(StringUtils.getPath(path));
		System.out.println(StringUtils.getBaseFilename(path));
		System.out.println(StringUtils.getExtension(path));

		path = "test";
		System.out.println(path);
		System.out.println("path: "+StringUtils.getPath(path));
		System.out.println("base: "+StringUtils.getBaseFilename(path));
		System.out.println(" ext: "+StringUtils.getExtension(path));


	}
}