src/zutil/StringUtil.java

@@ -7,7 +7,7 @@ package zutil;
  */
 public class StringUtil {
 	public static final String[] sizes = new String[]{"YB", "ZB", "EB", "PB", "TB", "GB", "MB", "kB", "B"};
-
+	
 	/**
 	 * Present a size (in bytes) as a human-readable value
 	 *
@@ -26,5 +26,52 @@ public class StringUtil {
 		return value+" "+sizes[total];
 	}
 	
+	/**
+	 * Trims the given char and whitespace at the beginning and the end
+	 * 
+	 * @param 		str		is the string to trim
+	 * @param		trim	is the char to trim
+	 * @return				a trimmed String
+	 */
+	public static String trim(String str, char trim){
+		if( str == null || str.isEmpty() )
+			return str;
+		int start=0, stop=str.length();
+		// The beginning
+		for(int i=0; i<str.length() ;i++){
+			char c = str.charAt( i );
+			if( c <= ' ' || c == trim ) 
+				start = i+1;
+			else
+				break;
+		}
+		// The end
+		for(int i=str.length()-1; i>start ;i--){
+			char c = str.charAt( i );
+			if( c <= ' ' || c == trim ) 
+				stop = i;
+			else
+				break;
+		}
+		if( start >= str.length() )
+			return "";
+		//System.out.println("str: \""+str+"\" start: "+start+" stop: "+stop);
+		return str.substring(start, stop);
+	}
 	
+	/**
+	 * Trims the whitespace and quotes if the string starts and ends with one
+	 * 
+	 * @param 		str		is the string to trim
+	 * @return
+	 */
+	public static String trimQuotes(String str){
+		if( str == null )
+			return null;
+		str = str.trim();
+		if( str.length() >= 2 && str.charAt(0)=='\"' && str.charAt(str.length()-1)=='\"'){
+			str = str.substring(1, str.length()-1);
+		}
+		return str;
+	}
 }