| /** |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds licenses this file |
| * to you 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.jclouds.util; |
| |
| import java.io.UnsupportedEncodingException; |
| import java.net.URLEncoder; |
| import java.util.concurrent.ExecutionException; |
| import java.util.regex.Pattern; |
| |
| import com.google.common.cache.LoadingCache; |
| import com.google.common.cache.CacheBuilder; |
| import com.google.common.cache.CacheLoader; |
| |
| /** |
| * |
| * @author Adrian Cole |
| */ |
| public class Patterns { |
| public static final Pattern TOKEN_PATTERN = Pattern.compile("\\{(.+?)\\}"); |
| public static final Pattern TWO_SPACE_PATTERN = Pattern.compile(" "); |
| public static final Pattern URL_ENCODED_PATTERN = Pattern.compile(".*%[a-fA-F0-9][a-fA-F0-9].*"); |
| public static final Pattern URI_PATTERN = Pattern.compile("([a-z0-9]+)://([^:]*):(.*)@(.*)"); |
| public static final Pattern PATTERN_THAT_BREAKS_URI = Pattern.compile("[a-z0-9]+://.*/.*@.*"); |
| public static final Pattern JSON_STRING_PATTERN = Pattern.compile("^[^\"\\{\\[].*[^\\{\\[\"]$"); |
| public static final Pattern JSON_NUMBER_PATTERN = Pattern.compile("^[0-9]*\\.?[0-9]*$"); |
| public static final Pattern PLUS_PATTERN = Pattern.compile("\\+"); |
| public static final Pattern STAR_PATTERN = Pattern.compile("\\*"); |
| public static final Pattern _7E_PATTERN = Pattern.compile("%7E"); |
| public static final Pattern NEWLINE_PATTERN = Pattern.compile("\r?\n"); |
| public static final Pattern SLASH_PATTERN = Pattern.compile("[/]"); |
| public static final Pattern IP_PATTERN = Pattern.compile("b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?).)" |
| + "{3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)b"); |
| public static final Pattern LEADING_SLASHES = Pattern.compile("^[/]+"); |
| public static final Pattern TRAILING_SLASHES = Pattern.compile("[/]*$"); |
| public static final Pattern REST_CONTEXT_BUILDER = Pattern.compile("(.*ContextBuilder)<([^,]+), ?([^>]+)>"); |
| |
| public final static LoadingCache<Character, Pattern> CHAR_TO_ENCODED_PATTERN = CacheBuilder.newBuilder() |
| .<Character, Pattern> build(new CacheLoader<Character, Pattern>() { |
| @Override |
| public Pattern load(Character plain) throws ExecutionException { |
| try { |
| String encoded = URLEncoder.encode(plain + "", "UTF-8"); |
| return Pattern.compile(encoded); |
| } catch (UnsupportedEncodingException e) { |
| throw new ExecutionException("Bad encoding on input: " + plain, e); |
| } |
| } |
| }); |
| |
| public final static LoadingCache<Character, Pattern> CHAR_TO_PATTERN = CacheBuilder.newBuilder() |
| .<Character, Pattern> build(new CacheLoader<Character, Pattern>() { |
| @Override |
| public Pattern load(Character plain) { |
| return Pattern.compile(plain + ""); |
| } |
| }); |
| |
| public final static LoadingCache<String, Pattern> TOKEN_TO_PATTERN = CacheBuilder.newBuilder() |
| .<String, Pattern> build(new CacheLoader<String, Pattern>() { |
| @Override |
| public Pattern load(String tokenValue) { |
| return Pattern.compile("\\{" + tokenValue + "\\}"); |
| } |
| }); |
| } |