package com.ibm.sbt.services.util;
import com.ibm.commons.util.FastStringBuffer;
import com.ibm.commons.util.StringUtil;
public class XmlTextUtil {
private static String[] xmlEntities=null;
static {
String[] entities=new String[256];
entities[34] ="quot"; // '"' //$NON-NLS-1$
entities[38] ="amp"; // '&' //$NON-NLS-1$
entities[60] ="lt"; // '<' //$NON-NLS-1$
entities[62] ="gt"; // '>' //$NON-NLS-1$
xmlEntities=entities;
}
public static String getEntity(char c) {
return xmlEntities[c];
}
public static String escapeXMLChars(String s) {
if( StringUtil.isEmpty(s) ) {
return s;
}
FastStringBuffer b = null;
int length = s.length();
for( int i=0; i<length; i++ ) {
char c = s.charAt(i);
// Is it a specific entity ?
String replaceLabel=null;
String replaceNumber=null;
if (c<256) {
replaceLabel=xmlEntities[c];
}
if (replaceLabel!=null || replaceNumber!=null) {
if( b==null ) {
b = new FastStringBuffer();
b.append(s, 0, i);
}
b.append("&"); //$NON-NLS-1$
if (replaceLabel!=null) {
b.append(replaceLabel);
} else {
b.append("#"); //$NON-NLS-1$
b.append(replaceNumber);
}
b.append(";"); //$NON-NLS-1$
} else if( b!=null ) {
b.append(c);
}
}
return b!=null ? b.toString() : s;
}
}