SumAll.java
From MyWiki
public class SumAll { /// Class to recieve three strings from calling program and summing up all the disk space figures // Variables String totalSpace; // these three are inputs String usedSpace; String freeSpace; float totalSum = 0.1f ; // these three are the ouptut float usedSum = 0.1f ; float freeSum = 0.1f ; void initialise() // This will reset all of the input and output counters to zero { totalSpace = ""; usedSpace = ""; freeSpace = ""; totalSum = 0; usedSum = 0; freeSum = 0; } void addThis(String tot,String used,String free) { String _tot = tot; String _used = used; String _free = free; char unit ; String value ; float longValue = 0 ; // first the tot // We have to convert the strings to bytes, find last char, B,K,G,T and multiply appropriately // Example code : str.charAt(str.length() - 1) // System.out.println("the string is " + _tot + " and the length is " + _tot.length()); unit = _tot.charAt(_tot.length() -1 ); // This gets the last character to see what the units are // Example str = str.substring(0, str.length()-1); // to get all but the last character value = _tot.substring(0, _tot.length()-1); // Example Long.parseLong(numberAsString); // Use some if statements to decide the mulitplier /// Run the if statements // Examples // float f = Float.parseFloat("25"); // String s = Float.toString(25.0f); if ( unit == 'B' ) { longValue = Float.parseFloat(value); } else if ( unit == 'K' ) { longValue = Float.parseFloat(value) * 1000 ; } else if ( unit == 'G' ) { longValue = Float.parseFloat(value) * 1000 * 1000 ; } else if ( unit == 'T' ) { longValue = Float.parseFloat(value) * 1000 * 1000 * 1000 ; } totalSum = totalSum + longValue; // System.out.println("the current sum is : " + totalSum); // Now used // We have to convert the strings to bytes, find last char, B,K,G,T and multiply appropriately // Example code : str.charAt(str.length() - 1) unit = _used.charAt(_used.length() -1 ); // This gets the last character to see what the units are // Example str = str.substring(0, str.length()-1); // to get all but the last character value = _used.substring(0, _used.length()-1); // Example Long.parseLong(numberAsString); // Use some if statements to decide the mulitplier /// Run the if statements if ( unit == 'B' ) { longValue = Long.parseLong(value); } else if ( unit == 'K' ) { longValue = Float.parseFloat(value) * 1000 ; } else if ( unit == 'G' ) { longValue = Float.parseFloat(value) * 1000 * 1000 ; } else if ( unit == 'T' ) { longValue = Float.parseFloat(value) * 1000 * 1000 * 1000 ; } usedSum = usedSum + longValue; // Now free // We have to convert the strings to bytes, find last char, B,K,G,T and multiply appropriately // Example code : str.charAt(str.length() - 1) unit = _free.charAt(_free.length() -1 ); // This gets the last character to see what the units are // Example str = str.substring(0, str.length()-1); // to get all but the last character value = _free.substring(0, _free.length()-1); // Example Long.parseLong(numberAsString); // Use some if statements to decide the mulitplier /// Run the if statements if ( unit == 'B' ) { longValue = Long.parseLong(value); } else if ( unit == 'K' ) { longValue = Float.parseFloat(value) * 1000 ; } else if ( unit == 'G' ) { longValue = Float.parseFloat(value) * 1000 * 1000 ; } else if ( unit == 'T' ) { longValue = Float.parseFloat(value) * 1000 * 1000 * 1000 ; } freeSum = freeSum + longValue; } String returnStuff(String s ) { // s can be SUM, TOT or FREE if ( s.equals("SUM")) { // Create a nice human readable string from the long int for sum long tempSum = (long)totalSum/1000000 ; //int tempSum = (int)totalSum ; /// System.out.println("the tempsum is " + tempSum); String SUM; // Examples // String.valueOf(number) (my preference) // Integer.toString(number) SUM = String.valueOf(tempSum)+"G"; //// System.out.println("returning the return value of : " + SUM); return SUM; } if ( s.equals("TOT")) { // Create a nice human readable string from the long int for total long tempSum = (long)usedSum/1000000 ; ////System.out.println("the tempsum is " + tempSum); String TOT; // Examples // String.valueOf(number) (my preference) // Integer.toString(number) TOT = String.valueOf(tempSum)+"G"; //// System.out.println("returning the return value of : " + TOT); return TOT; } if ( s.equals("FREE")) { // Create a nice human readable string from the long int for total long tempSum = (long)freeSum/1000000 ; //// System.out.println("the tempsum is " + tempSum); String FREE; // Examples // String.valueOf(number) (my preference) // Integer.toString(number) FREE = String.valueOf(tempSum)+"G"; /// System.out.println("returning the return value of : " + FREE); return FREE; } return "asdf"; } }
