/**
* Copyright (c) 2008-2012, http://www.snakeyaml.org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.yaml.snakeyaml.util;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CodingErrorAction;
import org.yaml.snakeyaml.error.YAMLException;
import org.yaml.snakeyaml.external.com.google.gdata.util.common.base.Escaper;
import org.yaml.snakeyaml.external.com.google.gdata.util.common.base.PercentEscaper;
public abstract class UriEncoder {
private static final CharsetDecoder UTF8Decoder = Charset.forName("UTF-8").newDecoder()
.onMalformedInput(CodingErrorAction.REPORT);
// Include the [] chars to the SAFEPATHCHARS_URLENCODER to avoid
// its escape as required by spec. See
// http://yaml.org/spec/1.1/#escaping%20in%20URI/
private static final String SAFE_CHARS = PercentEscaper.SAFEPATHCHARS_URLENCODER + "[]/";
private static final Escaper escaper = new PercentEscaper(SAFE_CHARS, false);
/**
* Escape special characters with '%'
*/
public static String encode(String uri) {
return escaper.escape(uri);
}
/**
* Decode '%'-escaped characters. Decoding fails in case of invalid UTF-8
*/
public static String decode(ByteBuffer buff) throws CharacterCodingException {
CharBuffer chars = UTF8Decoder.decode(buff);
return chars.toString();
}
public static String decode(String buff) {
try {
return URLDecoder.decode(buff, "UTF-8");
} catch (UnsupportedEncodingException e) {
throw new YAMLException(e);
}
}
}