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| <pre><span class="sourceLineNo">001</span>/* <a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.felix.ipojo.parser;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.Arrays;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.List;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.StringTokenizer;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>/**<a name="line.25"></a> |
| <span class="sourceLineNo">026</span> * Parser Utility Methods.<a name="line.26"></a> |
| <span class="sourceLineNo">027</span> * This class contains helper method to parse iPOJO metadata.<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a><a name="line.28"></a> |
| <span class="sourceLineNo">029</span> */<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>public final class ParseUtils {<a name="line.30"></a> |
| <span class="sourceLineNo">031</span><a name="line.31"></a> |
| <span class="sourceLineNo">032</span> /**<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * Parses the iPOJO string form of an array as {a, b, c}<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * or [a, b, c].<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * @param str the string form<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * @return the resulting string array<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> */<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> public static String[] parseArrays(String str) {<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> if (str.length() == 0) {<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> return new String[0];<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> }<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> <a name="line.42"></a> |
| <span class="sourceLineNo">043</span> // Remove { and } or [ and ]<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> if ((str.charAt(0) == '{' && str.charAt(str.length() - 1) == '}') <a name="line.44"></a> |
| <span class="sourceLineNo">045</span> || (str.charAt(0) == '[' && str.charAt(str.length() - 1) == ']')) {<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> String internal = (str.substring(1, str.length() - 1)).trim();<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> // Check empty array<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> if (internal.length() == 0) {<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> return new String[0];<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> }<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> return split(internal, ",");<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> } else {<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> return new String[] { str };<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> }<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> }<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> <a name="line.56"></a> |
| <span class="sourceLineNo">057</span> /**<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * Parses the string form of an array as {a, b, c}<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * or [a, b, c] as a list.<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * @param str the string form<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * @return the resulting list<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> */<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> public static List<String> parseArraysAsList(String str) {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> return Arrays.asList(parseArrays(str));<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> }<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> <a name="line.66"></a> |
| <span class="sourceLineNo">067</span> /**<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * Split method. <a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * This method is equivalent of the String.split in java 1.4<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * The result array contains 'trimmed' String<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * @param toSplit the String to split<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * @param separator the separator<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * @return the split array <a name="line.73"></a> |
| <span class="sourceLineNo">074</span> */<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> public static String[] split(String toSplit, String separator) {<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> StringTokenizer tokenizer = new StringTokenizer(toSplit, separator);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> String[] result = new String[tokenizer.countTokens()];<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> int index = 0;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> while (tokenizer.hasMoreElements()) {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> result[index] = tokenizer.nextToken().trim();<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> index++;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> }<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> return result;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> }<a name="line.84"></a> |
| <span class="sourceLineNo">085</span>}<a name="line.85"></a> |
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