| /** |
| * 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); |
| } |
| } |
| } |