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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 or more contributor license agreements. See the NOTICE file *<a name="line.2"></a> |
| <span class="sourceLineNo">003</span>// * distributed with this work for additional information regarding copyright ownership. The ASF licenses this file *<a name="line.3"></a> |
| <span class="sourceLineNo">004</span>// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance *<a name="line.4"></a> |
| <span class="sourceLineNo">005</span>// * with the License. You may obtain a copy of the License at *<a name="line.5"></a> |
| <span class="sourceLineNo">006</span>// * *<a name="line.6"></a> |
| <span class="sourceLineNo">007</span>// * http://www.apache.org/licenses/LICENSE-2.0 *<a name="line.7"></a> |
| <span class="sourceLineNo">008</span>// * *<a name="line.8"></a> |
| <span class="sourceLineNo">009</span>// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span>// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the *<a name="line.10"></a> |
| <span class="sourceLineNo">011</span>// * specific language governing permissions and limitations under the License. *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span>// ***************************************************************************************************************************<a name="line.12"></a> |
| <span class="sourceLineNo">013</span>package org.apache.juneau.rest.jaxrs;<a name="line.13"></a> |
| <span class="sourceLineNo">014</span><a name="line.14"></a> |
| <span class="sourceLineNo">015</span>import static javax.servlet.http.HttpServletResponse.*;<a name="line.15"></a> |
| <span class="sourceLineNo">016</span>import static org.apache.juneau.internal.ThrowableUtils.*;<a name="line.16"></a> |
| <span class="sourceLineNo">017</span>import static org.apache.juneau.internal.IOUtils.*;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>import java.io.*;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.lang.annotation.*;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.lang.reflect.*;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.*;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import javax.ws.rs.*;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import javax.ws.rs.core.*;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import javax.ws.rs.core.MediaType;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import javax.ws.rs.ext.*;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span><a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.juneau.*;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.juneau.collections.*;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.juneau.parser.*;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.juneau.serializer.*;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span><a name="line.33"></a> |
| <span class="sourceLineNo">034</span>/**<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * Base class for defining JAX-RS providers based on Juneau serializers and parsers.<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> *<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * <ul class='seealso'><a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * <li class='link'>{@doc juneau-rest-server-jaxrs}<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * <li class='extlink'>{@source}<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * </ul><a name="line.40"></a> |
| <span class="sourceLineNo">041</span> */<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>public class BaseProvider implements MessageBodyReader<Object>, MessageBodyWriter<Object> {<a name="line.42"></a> |
| <span class="sourceLineNo">043</span><a name="line.43"></a> |
| <span class="sourceLineNo">044</span> private SerializerSet serializers;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> private ParserSet parsers;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"></a> |
| <span class="sourceLineNo">047</span> /**<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * Constructor.<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> */<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> protected BaseProvider() {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> try {<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> JuneauProvider jp = getClass().getAnnotation(JuneauProvider.class);<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span> serializers = SerializerSet.create()<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> .add(jp.serializers())<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> .forEach(x -> x.swaps(jp.swaps()))<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> .build();<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> parsers = ParserSet.create()<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> .add(jp.parsers())<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> .forEach(x -> x.swaps(jp.swaps()))<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> .build();<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> } catch (Exception e) {<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> throw asRuntimeException(e);<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><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> @Override /* MessageBodyWriter */<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> public long getSize(Object o, Class<?> type, Type gType, Annotation[] a, MediaType mediaType) {<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> return -1;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> }<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> @Override /* MessageBodyWriter */<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> public boolean isWriteable(Class<?> type, Type gType, Annotation[] a, MediaType mediaType) {<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> return serializers.getSerializerMatch(mediaType.toString()) != null;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> }<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> @Override /* MessageBodyWriter */<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> public void writeTo(Object o, Class<?> type, Type gType, Annotation[] a, MediaType mediaType,<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> MultivaluedMap<String,Object> headers, OutputStream os) throws IOException, WebApplicationException {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> try {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> SerializerMatch sm = serializers.getSerializerMatch(mediaType.toString());<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> if (sm == null)<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> throw new WebApplicationException(SC_NOT_ACCEPTABLE);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> Serializer s = sm.getSerializer();<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> JsonMap m = JsonMap.create();<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> m.append("mediaType", mediaType.toString());<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> Locale locale = getLocale(headers);<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> TimeZone timeZone = getTimeZone(headers);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> SerializerSession session = s.createSession()<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> .properties(m)<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> .locale(locale)<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> .timeZone(timeZone)<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> .mediaType(sm.getMediaType())<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> .build();<a name="line.97"></a> |
| <span class="sourceLineNo">098</span><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> // Leave this open in case an error occurs.<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> Closeable c = s.isWriterSerializer() ? new OutputStreamWriter(os, UTF8) : os;<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> session.serialize(o, c);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> } catch (SerializeException e) {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> throw new IOException(e);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> }<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> }<a name="line.106"></a> |
| <span class="sourceLineNo">107</span><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> @Override /* MessageBodyReader */<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> public boolean isReadable(Class<?> type, Type gType, Annotation[] a, MediaType mediaType) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> return parsers.getParserMatch(mediaType.toString()) != null;<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> }<a name="line.111"></a> |
| <span class="sourceLineNo">112</span><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> @Override /* MessageBodyReader */<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> public Object readFrom(Class<Object> type, Type gType, Annotation[] a, MediaType mediaType,<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> MultivaluedMap<String,String> headers, InputStream in) throws IOException, WebApplicationException {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> try {<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> ParserMatch pm = parsers.getParserMatch(mediaType.toString());<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> if (pm == null)<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> throw new WebApplicationException(SC_UNSUPPORTED_MEDIA_TYPE);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> Parser p = pm.getParser();<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> JsonMap m = JsonMap.create();<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> m.put("mediaType", mediaType.toString());<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> Locale locale = getLocale(headers);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> TimeZone timeZone = getTimeZone(headers);<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> ParserSession session = p.createSession()<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> .properties(m)<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> .locale(locale)<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> .timeZone(timeZone)<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> .mediaType(pm.getMediaType())<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> .build();<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> Object in2 = session.isReaderParser() ? new InputStreamReader(in, UTF8) : in;<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> return session.parse(in2, p.getBeanContext().getClassMeta(gType));<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> } catch (ParseException e) {<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> throw new IOException(e);<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> }<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> @SuppressWarnings("rawtypes")<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> private static Locale getLocale(MultivaluedMap headers) {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> if (headers.containsKey("Accept-Language") && headers.get("Accept-Language") != null) {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> String h = String.valueOf(headers.get("Accept-Language"));<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> if (h != null) {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> StringRanges mr = StringRanges.of(h);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> if (! mr.toList().isEmpty())<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> return toLocale(mr.getRange(0).getName());<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> }<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> return null;<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> }<a name="line.149"></a> |
| <span class="sourceLineNo">150</span><a name="line.150"></a> |
| <span class="sourceLineNo">151</span> /*<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> * Converts an Accept-Language value entry to a Locale.<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> */<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> private static Locale toLocale(String lang) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> String country = "";<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> int i = lang.indexOf('-');<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> if (i > -1) {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> country = lang.substring(i+1).trim();<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> lang = lang.substring(0,i).trim();<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> }<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> return new Locale(lang, country);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> }<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> @SuppressWarnings("rawtypes")<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> private static TimeZone getTimeZone(MultivaluedMap headers) {<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> if (headers.containsKey("Time-Zone") && headers.get("Time-Zone") != null) {<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> String h = String.valueOf(headers.get("Time-Zone"));<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> return TimeZone.getTimeZone(h);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> return null;<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> }<a name="line.171"></a> |
| <span class="sourceLineNo">172</span><a name="line.172"></a> |
| <span class="sourceLineNo">173</span>}<a name="line.173"></a> |
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| </pre> |
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