OK, save, here is something better....
/** Takes a string, and replaces the replace text with new text.
* @param str String to replace into
* @param pattern Pattern of text to replace.
* @param replace What to replace it with.
* @return str with the replace text replaced with the new text.
*/
protected static String replace(String str,String pattern, String replace) {
int s = 0;
int e = 0;
StringBuffer result = new StringBuffer();
while ((e = str.indexOf(pattern, s)) >= 0) {
result.append(str.substring(s, e));
result.append(replace);
s = e+pattern.length();
}
result.append(str.substring(s));
return result.toString();
}
Ok, here's a shorter one that works better.
Also, a faster implementation.
private static String templateText;
public javascriptJSPInteractiveTagThingy() {
super();
StringBuffer sb = new StringBuffer();
try {
BufferedReader br = new BufferedReader(new
FileReader("/home/gbishop/www/bmg/dev/run/ckie/jsp/charttabletag.template"));
String line;
while( ((line=br.readLine())!=null)){
sb.append(line);
sb.append("\n");
}
} catch(IOException e) {
System.err.println("IO Error: " + e.getMessage());
}
templateText = sb.toString();
}
/**
* Reads a file from the disk. Replaces XXXX_GOES_HERE text in the file with
* Strings that contain the things we want the tag to show. Looks at the page
* attributes to control the appearance of the tag's generated HTML.
*/
public int doStartTag() throws JspTagException
{
...
JspWriter wr = pageContext.getOut();
PrintWriter writer = new PrintWriter(wr);
String line = templateText;
line = replace(line, "HEADER_GOES_HERE", header );
line = replace(line, "TABLE_CONTENTS_GOES_HERE", tableContents );
line = replace(line, "SELECTIONS_GOES_HERE",
pageContext.getRequest().getParameter("TableSelections") );
line = replace(line, "BACKGROUND_COLOR_GOES_HERE", backgroundColor );
line = replace(line, "HILIGHTED_COLOR_GOES_HERE", hilightedColor );
line = replace(line, "DRAG_COLOR_GOES_HERE", dragColor );
line = replace(line, "SELECTED_COLOR_GOES_HERE", selectedColor );
line = replace(line, "BORDER_COLOR_GOES_HERE", borderColor );
line = replace(line, "TABLE_DATA_VIEW_NAME_GOES_HERE",
tableDataViewHiddenFieldName );
line = replace(line, "HTCS_TO_INVOKE_GOES_HERE", htcs );
writer.println(line);
return SKIP_BODY;
...
Dave Newton wrote:
> I know it's protocode :)
>
> On Friday 01 February 2002 15:22, Greg Bishop wrote:
> > protected static String replaceTextInMiddleOfStringIfItExists(String str,
> > String replace,
> > String newtext){
>
> Well, seems to me the "IfItExists" is implied and it replaces text in a string
> regardless of location (doesn't have to be in the middle) so why bother
> with the novella function name? ;)
>
> Dave
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