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/*
* Copyright (c) 2012-2013 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
/*
* Copyright (c) 2015 Tarun Gupta.
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
package com.isode.stroke.idn;
import com.isode.stroke.base.SafeByteArray;
import com.isode.stroke.idn.IDNConverter;
import com.isode.stroke.idn.IDNA;
import com.ibm.icu.text.StringPrep;
import com.ibm.icu.text.StringPrepParseException;
public class ICUConverter implements IDNConverter {
public String getStringPrepared(String s, StringPrepProfile profile) throws IllegalArgumentException {
StringPrep str = StringPrep.getInstance(getICUProfileType(profile));
try {
String preparedData = str.prepare(s, StringPrep.DEFAULT);
return preparedData;
}catch(StringPrepParseException e){
throw new IllegalArgumentException(e);
}
}
public SafeByteArray getStringPrepared(SafeByteArray s, StringPrepProfile profile) throws IllegalArgumentException {
StringPrep str = StringPrep.getInstance(getICUProfileType(profile));
try {
String preparedData = str.prepare(s.toString(), StringPrep.DEFAULT);
return new SafeByteArray(preparedData);
}catch(StringPrepParseException e){
throw new IllegalArgumentException(e);
}
}
public String getIDNAEncoded(String s) {
return IDNA.getEncoded(s);
}
private int getICUProfileType(IDNConverter.StringPrepProfile profile) {
switch(profile) {
case NamePrep: return StringPrep.RFC3491_NAMEPREP;
case XMPPNodePrep: return StringPrep.RFC3920_NODEPREP;
case XMPPResourcePrep: return StringPrep.RFC3920_RESOURCEPREP;
case SASLPrep: return StringPrep.RFC4013_SASLPREP;
}
assert(false);
return StringPrep.RFC3491_NAMEPREP;
}
}
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