@Override
public void encodeToWriter(
CharSequence str, int off, int len, Writer writer, EncodingState encodingState)
throws IOException {
if (str == null || len <= 0) {
return;
}
int n = Math.min(str.length(), off + len);
int i;
int startPos = -1;
char prevChar = (char) 0;
for (i = off; i < n; i++) {
char ch = str.charAt(i);
if (startPos == -1) {
startPos = i;
}
String escaped = escapeCharacter(ch, prevChar);
if (escaped != null) {
if (i - startPos > 0) {
CharSequences.writeCharSequence(writer, str, startPos, i);
}
if (escaped.length() > 0) {
writer.write(escaped);
}
startPos = -1;
}
prevChar = ch;
}
if (startPos > -1 && i - startPos > 0) {
CharSequences.writeCharSequence(writer, str, startPos, i);
}
}
/*
* (non-Javadoc)
* @see
* EncodedAppender#append(org
* .codehaus.groovy.grails.support.encoding.Encoder,
* EncodingState, char[], int,
* int)
*/
public void append(Encoder encoder, EncodingState encodingState, char[] b, int off, int len)
throws IOException {
if (b == null || len <= 0) {
return;
}
if (shouldEncode(encoder, encodingState)) {
EncodingState newEncoders = createNewEncodingState(encoder, encodingState);
if (encoder instanceof StreamingEncoder) {
((StreamingEncoder) encoder)
.encodeToStream(
encoder, CharSequences.createCharSequence(b, off, len), 0, len, this, newEncoders);
} else {
encodeAndWrite(encoder, newEncoders, String.valueOf(b, off, len));
}
} else {
write(encodingState, b, off, len);
}
}
/*
* (non-Javadoc)
* @see
* EncodedAppender#append(org
* .codehaus.groovy.grails.support.encoding.Encoder,
* EncodingState,
* java.lang.CharSequence, int, int)
*/
public void append(
Encoder encoder, EncodingState encodingState, CharSequence str, int off, int len)
throws IOException {
if (str == null || len <= 0) {
return;
}
if (shouldEncode(encoder, encodingState)) {
EncodingState newEncoders = createNewEncodingState(encoder, encodingState);
if (encoder instanceof StreamingEncoder) {
((StreamingEncoder) encoder).encodeToStream(encoder, str, off, len, this, newEncoders);
} else {
CharSequence source;
if (CharSequences.canUseOriginalForSubSequence(str, off, len)) {
source = str;
} else {
source = str.subSequence(off, off + len);
}
encodeAndWrite(encoder, newEncoders, source);
}
} else {
appendCharSequence(encodingState, str, off, off + len);
}
}