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* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
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/*
* FormReader.java
*
* Created on November 21, 2007, 12:43 PM
*
*/
package com.sun.jersey.samples.entityprovider;
import com.sun.jersey.samples.entityprovider.resources.NameValuePair;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.net.URLDecoder;
import java.util.HashMap;
import java.util.Map;
import java.util.StringTokenizer;
import javax.ws.rs.Consumes;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.Provider;
/**
*
* @author mh124079
*/
@Consumes("application/x-www-form-urlencoded")
@Provider
public class FormReader implements MessageBodyReader<NameValuePair> {
public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
return type.equals(NameValuePair.class);
}
public NameValuePair readFrom(Class<NameValuePair> type, Type genericType,
Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, String> headers,
InputStream in) throws IOException {
String formData = readAsString(in);
Map<String, String> map = new HashMap<String, String>();
StringTokenizer tokenizer = new StringTokenizer(formData, "&");
String token;
while (tokenizer.hasMoreTokens()) {
token = tokenizer.nextToken();
int idx = token.indexOf('=');
if (idx < 0) {
map.put(URLDecoder.decode(token,"UTF-8"), null);
} else if (idx > 0) {
map.put(URLDecoder.decode(token.substring(0, idx),"UTF-8"), URLDecoder.decode(token.substring(idx+1),"UTF-8"));
}
}
return new NameValuePair(map.get("name"), map.get("value"));
}
public final String readAsString(InputStream in) throws IOException {
Reader reader = new InputStreamReader(in);
StringBuilder sb = new StringBuilder();
char[] c = new char[1024];
int l;
while ((l = reader.read(c)) != -1) {
sb.append(c, 0, l);
}
return sb.toString();
}
}