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/**
* Copyright (c) 2008, SnakeYAML
*
* 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.CharsetDecoder;
import java.nio.charset.CodingErrorAction;
import java.nio.charset.StandardCharsets;
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 =
StandardCharsets.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 '%'
*
* @param uri URI to be escaped
* @return encoded URI
*/
public static String encode(String uri) {
return escaper.escape(uri);
}
/**
* Decode '%'-escaped characters. Decoding fails in case of invalid UTF-8
*
* @param buff data to decode
* @return decoded data
* @throws CharacterCodingException if cannot be decoded
*/
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);
}
}
}
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