/*
* GSHTML.java
* Copyright (C) 2008 New Zealand Digital Library, http://www.nzdl.org
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.greenstone.gsdl3.util;
/** GSHTML - provides some convenience methods for dealing
* with html
*/
public class GSHTML {
/** make a string html safe */
public static String htmlSafe(String input) {
StringBuffer filtered = new StringBuffer(input.length());
char c;
for (int i=0; i') {
filtered.append(">");
} else if (c == '"') {
filtered.append(""");
} else if (c == '&') {
filtered.append("&");
} else {
filtered.append(c);
}
}
return(filtered.toString());
}
/** undo the html safe action */
public static String htmlUnsafe(String input) {
StringBuffer filtered = new StringBuffer(input.length());
char c;
for (int i=0; i');
} else if (entity.equals(""")) {
filtered.append('"');
} // else just ignore it.
} else {
filtered.append(c);
}
}
return(filtered.toString());
}
/** produce a default error page */
public static String errorPage(String error) {
String page = "GSDL3 Error!\n"+
"Greenstone Error!
"+
""+error+"";
return page;
}
}