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SSIFsize.javaAPI DocApache Tomcat 6.0.144787Fri Jul 20 04:20:34 BST 2007org.apache.catalina.ssi

SSIFsize

public final class SSIFsize extends Object implements SSICommand
Implements the Server-side #fsize command
author
Bip Thelin
author
Paul Speed
author
Dan Sandberg
author
David Becker
version
$Revision: 531303 $, $Date: 2007-04-23 02:24:01 +0200 (lun., 23 avr. 2007) $

Fields Summary
protected static final int
ONE_KILOBYTE
protected static final int
ONE_MEGABYTE
Constructors Summary
Methods Summary
protected java.lang.StringformatSize(long size, java.lang.String format)

        String retString = "";
        if (format.equalsIgnoreCase("bytes")) {
            DecimalFormat decimalFormat = new DecimalFormat("#,##0");
            retString = decimalFormat.format(size);
        } else {
            if (size == 0) {
                retString = "0k";
            } else if (size < ONE_KILOBYTE) {
                retString = "1k";
            } else if (size < ONE_MEGABYTE) {
                retString = Long.toString((size + 512) / ONE_KILOBYTE);
                retString += "k";
            } else if (size < 99 * ONE_MEGABYTE) {
                DecimalFormat decimalFormat = new DecimalFormat("0.0M");
                retString = decimalFormat.format(size / (double)ONE_MEGABYTE);
            } else {
                retString = Long.toString((size + (529 * ONE_KILOBYTE))
                        / ONE_MEGABYTE);
                retString += "M";
            }
            retString = padLeft(retString, 5);
        }
        return retString;
public java.lang.StringpadLeft(java.lang.String str, int maxChars)

        String result = str;
        int charsToAdd = maxChars - str.length();
        if (charsToAdd > 0) {
            result = repeat(' ", charsToAdd) + str;
        }
        return result;
public longprocess(SSIMediator ssiMediator, java.lang.String commandName, java.lang.String[] paramNames, java.lang.String[] paramValues, java.io.PrintWriter writer)

see
SSICommand



           
         
                  
        long lastModified = 0;
        String configErrMsg = ssiMediator.getConfigErrMsg();
        for (int i = 0; i < paramNames.length; i++) {
            String paramName = paramNames[i];
            String paramValue = paramValues[i];
            String substitutedValue = ssiMediator
                    .substituteVariables(paramValue);
            try {
                if (paramName.equalsIgnoreCase("file")
                        || paramName.equalsIgnoreCase("virtual")) {
                    boolean virtual = paramName.equalsIgnoreCase("virtual");
                    lastModified = ssiMediator.getFileLastModified(
                            substitutedValue, virtual);
                    long size = ssiMediator.getFileSize(substitutedValue,
                            virtual);
                    String configSizeFmt = ssiMediator.getConfigSizeFmt();
                    writer.write(formatSize(size, configSizeFmt));
                } else {
                    ssiMediator.log("#fsize--Invalid attribute: " + paramName);
                    writer.write(configErrMsg);
                }
            } catch (IOException e) {
                ssiMediator.log("#fsize--Couldn't get size for file: "
                        + substitutedValue, e);
                writer.write(configErrMsg);
            }
        }
        return lastModified;
public java.lang.Stringrepeat(char aChar, int numChars)

        if (numChars < 0) {
            throw new IllegalArgumentException("Num chars can't be negative");
        }
        StringBuffer buf = new StringBuffer();
        for (int i = 0; i < numChars; i++) {
            buf.append(aChar);
        }
        return buf.toString();