/**
* BSD-style license; for more info see http://pmd.sourceforge.net/license.html
*/
package net.sourceforge.pmd.util;
public class StringUtil {
public static String replaceString(String d, char oldChar, String newString) {
StringBuffer desc = new StringBuffer();
int index = d.indexOf(oldChar);
int last = 0;
while (index != -1) {
desc.append(d.substring(last, index));
desc.append(newString);
last = index + 1;
index = d.indexOf(oldChar, last);
}
desc.append(d.substring(last));
return desc.toString();
}
public static String replaceString(String inputString, String oldString, String newString) {
StringBuffer desc = new StringBuffer();
int index = inputString.indexOf(oldString);
int last = 0;
while (index != -1) {
desc.append(inputString.substring(last, index));
desc.append(newString);
last = index + oldString.length();
index = inputString.indexOf(oldString, last);
}
desc.append(inputString.substring(last));
return desc.toString();
}
/**
* Appends to a StringBuffer the String src where non-ASCII and
* XML special chars are escaped.
* @param buf The destination XML stream
* @param str The String to append to the stream
*/
public static void appendXmlEscaped(StringBuffer buf, String src) {
int l = src.length();
char c;
for(int i=0; i<l; i++) {
c = src.charAt(i);
if (c > '~') {// 126
if (c <= 255)
buf.append(ENTITIES[c-126]);
else
buf.append("&u").append(Integer.toHexString(c)).append(';');
} else if (c == '&')
buf.append("&");
else if (c == '"')
buf.append(""");
else if (c == '<')
buf.append("<");
else if (c == '>')
buf.append(">");
else
buf.append(c);
}
}
private static final String[] ENTITIES;
static {
ENTITIES = new String[256-126];
for(int i=126; i<= 255; i++)
ENTITIES[i-126] = "&#" + i + ';';
}
}