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package org.mule.example.launcher; |
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import java.io.BufferedReader; |
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import java.io.InputStreamReader; |
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import java.io.OutputStreamWriter; |
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import java.net.URL; |
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import java.net.URLConnection; |
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import java.util.Map; |
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public class SimpleHTTPClient |
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{ |
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private final static String URL_KEY = "url"; |
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private final static String METHOD_KEY = "method"; |
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public SimpleHTTPClient() |
29 | 0 | { |
30 | 0 | } |
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public HTTPResponse httpClient(Object data) |
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{ |
41 | 0 | if (data instanceof Map<?, ?>) |
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{ |
43 | 0 | Map<?, ?> params = (Map<?, ?>) data; |
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45 | 0 | String url = String.valueOf(params.get(URL_KEY)); |
46 | 0 | String method = params.containsKey(METHOD_KEY) ? String.valueOf(params.get(METHOD_KEY)) : "GET"; |
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|
48 | 0 | if (method == null || method.equalsIgnoreCase("GET")) |
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{ |
50 | 0 | return buildResponse(doGet(url)); |
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} |
52 | 0 | else if (method.equalsIgnoreCase("POST")) |
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{ |
54 | 0 | return buildResponse(doPost(url)); |
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} |
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else |
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{ |
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59 | 0 | return buildResponse("Error: Invalid method " + method.toUpperCase()); |
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} |
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} |
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else |
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{ |
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65 | 0 | return buildResponse("Error: Missing URL & method input parameters"); |
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} |
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} |
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private HTTPResponse buildResponse(String response) |
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{ |
75 | 0 | return new HTTPResponse(response); |
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} |
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private String doGet(String strUrl) |
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{ |
84 | 0 | BufferedReader rd = null; |
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try |
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{ |
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88 | 0 | URL url = new URL(strUrl); |
89 | 0 | URLConnection conn = url.openConnection(); |
90 | 0 | conn.setDefaultUseCaches(false); |
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93 | 0 | rd = new BufferedReader(new InputStreamReader(conn.getInputStream())); |
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String line; |
95 | 0 | StringBuffer contents = new StringBuffer(); |
96 | 0 | while ((line = rd.readLine()) != null) |
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{ |
98 | 0 | contents.append(line); |
99 | 0 | contents.append('\n'); |
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} |
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102 | 0 | return contents.toString().trim(); |
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} |
104 | 0 | catch (Exception ex) |
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{ |
106 | 0 | return "Error: " + ex.getMessage(); |
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} |
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finally |
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{ |
110 | 0 | close(rd); |
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} |
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} |
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private String doPost(String strUrl) |
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{ |
121 | 0 | OutputStreamWriter wr = null; |
122 | 0 | BufferedReader rd = null; |
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try |
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{ |
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126 | 0 | String data = ""; |
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129 | 0 | URL url = new URL(strUrl); |
130 | 0 | URLConnection conn = url.openConnection(); |
131 | 0 | conn.setDoOutput(true); |
132 | 0 | conn.setDefaultUseCaches(false); |
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134 | 0 | wr = new OutputStreamWriter(conn.getOutputStream()); |
135 | 0 | wr.write(data); |
136 | 0 | wr.flush(); |
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139 | 0 | rd = new BufferedReader(new InputStreamReader(conn.getInputStream())); |
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String line; |
141 | 0 | StringBuffer contents = new StringBuffer(); |
142 | 0 | while ((line = rd.readLine()) != null) |
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{ |
144 | 0 | contents.append(line); |
145 | 0 | contents.append('\n'); |
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} |
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148 | 0 | return contents.toString().trim(); |
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} |
150 | 0 | catch (Exception ex) |
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{ |
152 | 0 | return "Error: " + ex.getMessage(); |
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} |
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finally |
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{ |
156 | 0 | close(wr); |
157 | 0 | close(rd); |
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} |
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} |
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private void close(OutputStreamWriter wr) |
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{ |
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try |
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{ |
170 | 0 | wr.close(); |
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} |
172 | 0 | catch (Exception e) |
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{ |
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175 | 0 | } |
176 | 0 | } |
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private void close(BufferedReader rd) |
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{ |
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try |
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{ |
187 | 0 | rd.close(); |
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} |
189 | 0 | catch (Exception e) |
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{ |
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192 | 0 | } |
193 | 0 | } |
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} |