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package org.mule.transport.servlet; |
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import org.mule.DefaultMuleMessage; |
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import org.mule.api.MuleContext; |
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import org.mule.api.MuleMessage; |
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import org.mule.transport.AbstractMuleMessageFactory; |
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import org.mule.transport.http.HttpConstants; |
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import java.util.Enumeration; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpSession; |
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import org.apache.commons.collections.EnumerationUtils; |
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public class ServletMuleMessageFactory extends AbstractMuleMessageFactory |
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{ |
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private static final String REMOTE_ADDRESS_HEADER = "remoteAddress"; |
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public ServletMuleMessageFactory(MuleContext context) |
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{ |
35 | 0 | super(context); |
36 | 0 | } |
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@Override |
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protected Class<?>[] getSupportedTransportMessageTypes() |
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{ |
41 | 0 | return new Class[] { HttpServletRequest.class }; |
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} |
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@Override |
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protected Object extractPayload(Object transportMessage, String encoding) throws Exception |
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{ |
47 | 0 | HttpServletRequest request = (HttpServletRequest) transportMessage; |
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|
49 | 0 | String method = request.getMethod(); |
50 | 0 | if (HttpConstants.METHOD_GET.equalsIgnoreCase(method)) |
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{ |
52 | 0 | return queryString(request); |
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} |
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else |
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{ |
56 | 0 | return extractPayloadFromPostRequest(request); |
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} |
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} |
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protected Object extractPayloadFromPostRequest(HttpServletRequest request) throws Exception |
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{ |
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88 | 0 | request.getParameterNames(); |
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90 | 0 | return request.getInputStream(); |
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} |
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protected String queryString(HttpServletRequest request) |
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{ |
95 | 0 | StringBuilder buf = new StringBuilder(request.getRequestURI()); |
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|
97 | 0 | String queryString = request.getQueryString(); |
98 | 0 | if (queryString != null) |
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{ |
100 | 0 | buf.append("?"); |
101 | 0 | buf.append(queryString); |
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} |
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|
104 | 0 | return buf.toString(); |
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} |
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@Override |
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protected void addProperties(DefaultMuleMessage message, Object transportMessage) throws Exception |
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{ |
110 | 0 | HttpServletRequest request = (HttpServletRequest) transportMessage; |
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|
112 | 0 | setupRequestParameters(request, message); |
113 | 0 | setupEncoding(request, message); |
114 | 0 | setupSessionId(request, message); |
115 | 0 | setupContentType(request, message); |
116 | 0 | setupCharacterEncoding(request, message); |
117 | 0 | setupRemoteAddress(request, message); |
118 | 0 | setupMessageProperties(request, message); |
119 | 0 | } |
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@SuppressWarnings("unchecked") |
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protected void setupRequestParameters(HttpServletRequest request, DefaultMuleMessage message) |
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{ |
124 | 0 | Enumeration<String> parameterNames = request.getParameterNames(); |
125 | 0 | if (parameterNames != null) |
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{ |
127 | 0 | Map<String, Object> parameterProperties = new HashMap<String, Object>(); |
128 | 0 | Map<String, Object> parameterMap = new HashMap<String, Object>(); |
129 | 0 | while (parameterNames.hasMoreElements()) |
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{ |
131 | 0 | String name = parameterNames.nextElement(); |
132 | 0 | String key = ServletConnector.PARAMETER_PROPERTY_PREFIX + name; |
133 | 0 | String value = request.getParameterValues(name)[0]; |
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|
135 | 0 | parameterProperties.put(key, value); |
136 | 0 | parameterMap.put(name, value); |
137 | 0 | } |
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|
141 | 0 | parameterProperties.put(ServletConnector.PARAMETER_MAP_PROPERTY_KEY, parameterMap); |
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|
143 | 0 | message.addInboundProperties(parameterProperties); |
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} |
145 | 0 | } |
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protected void setupEncoding(HttpServletRequest request, MuleMessage message) |
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{ |
149 | 0 | String contentType = request.getContentType(); |
150 | 0 | if (contentType != null) |
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{ |
152 | 0 | int index = contentType.indexOf("charset"); |
153 | 0 | if (index > -1) |
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{ |
155 | 0 | int semicolonIndex = contentType.lastIndexOf(";"); |
156 | 0 | if (semicolonIndex > index) |
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{ |
158 | 0 | message.setEncoding(contentType.substring(index + 8, semicolonIndex)); |
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} |
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else |
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{ |
162 | 0 | message.setEncoding(contentType.substring(index + 8)); |
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} |
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} |
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} |
166 | 0 | } |
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protected void setupSessionId(HttpServletRequest request, MuleMessage message) |
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{ |
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try |
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{ |
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|
173 | 0 | HttpSession session = request.getSession(false); |
174 | 0 | if (session != null) |
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{ |
176 | 0 | ((DefaultMuleMessage) message).setInboundProperty(ServletConnector.SESSION_ID_PROPERTY_KEY, session.getId()); |
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} |
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} |
179 | 0 | catch (Exception e) |
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{ |
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182 | 0 | } |
183 | 0 | } |
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protected void setupContentType(HttpServletRequest request, DefaultMuleMessage message) |
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{ |
187 | 0 | String contentType = request.getContentType(); |
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|
189 | 0 | Map<String, Object> properties = new HashMap<String, Object>(); |
190 | 0 | properties.put(ServletConnector.CONTENT_TYPE_PROPERTY_KEY, contentType); |
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|
192 | 0 | message.addInboundProperties(properties); |
193 | 0 | } |
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protected void setupCharacterEncoding(HttpServletRequest request, DefaultMuleMessage message) |
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{ |
197 | 0 | String characterEncoding = request.getCharacterEncoding(); |
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|
199 | 0 | Map<String, Object> properties = new HashMap<String, Object>(); |
200 | 0 | properties.put(ServletConnector.CHARACTER_ENCODING_PROPERTY_KEY, characterEncoding); |
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|
202 | 0 | message.addInboundProperties(properties); |
203 | 0 | } |
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protected void setupRemoteAddress(HttpServletRequest request, DefaultMuleMessage message) |
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{ |
207 | 0 | message.setInboundProperty(REMOTE_ADDRESS_HEADER, request.getRemoteAddr()); |
208 | 0 | } |
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protected void setupMessageProperties(HttpServletRequest request, DefaultMuleMessage message) |
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{ |
212 | 0 | Map<String, Object> messageProperties = new HashMap<String, Object>(); |
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|
214 | 0 | copyParameters(request, messageProperties); |
215 | 0 | copyAttributes(request, messageProperties); |
216 | 0 | copyHeaders(request, messageProperties); |
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|
218 | 0 | message.addInboundProperties(messageProperties); |
219 | 0 | } |
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protected void copyParameters(HttpServletRequest request, Map<String, Object> messageProperties) |
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{ |
223 | 0 | Map<?, ?> parameterMap = request.getParameterMap(); |
224 | 0 | if (parameterMap != null && parameterMap.size() > 0) |
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{ |
226 | 0 | for (Map.Entry<?, ?> entry : parameterMap.entrySet()) |
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{ |
228 | 0 | String key = (String) entry.getKey(); |
229 | 0 | Object value = entry.getValue(); |
230 | 0 | if (value != null) |
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{ |
232 | 0 | if (value.getClass().isArray() && ((Object[]) value).length == 1) |
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{ |
234 | 0 | value = ((Object[]) value)[0]; |
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} |
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} |
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|
238 | 0 | messageProperties.put(key, value); |
239 | 0 | } |
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} |
241 | 0 | } |
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protected void copyAttributes(HttpServletRequest request, Map<String, Object> messageProperties) |
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{ |
245 | 0 | for (Enumeration<?> e = request.getAttributeNames(); e.hasMoreElements();) |
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{ |
247 | 0 | String key = (String) e.nextElement(); |
248 | 0 | messageProperties.put(key, request.getAttribute(key)); |
249 | 0 | } |
250 | 0 | } |
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protected void copyHeaders(HttpServletRequest request, Map<String, Object> messageProperties) |
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{ |
254 | 0 | for (Enumeration<?> e = request.getHeaderNames(); e.hasMoreElements();) |
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{ |
256 | 0 | String key = (String)e.nextElement(); |
257 | 0 | String realKey = key; |
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|
259 | 0 | if (key.startsWith(HttpConstants.X_PROPERTY_PREFIX)) |
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{ |
261 | 0 | realKey = key.substring(2); |
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} |
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|
266 | 0 | if (HttpConstants.HEADER_HOST.equalsIgnoreCase(key)) |
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{ |
268 | 0 | realKey = HttpConstants.HEADER_HOST; |
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|
270 | 0 | String value = request.getHeader(key); |
271 | 0 | int port = request.getLocalPort(); |
272 | 0 | if (!value.contains(":") && port != 80 && port != 443) |
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{ |
274 | 0 | value = value + ":" + port; |
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} |
276 | 0 | messageProperties.put(realKey, value); |
277 | 0 | } |
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else |
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{ |
280 | 0 | Enumeration<?> valueEnum = request.getHeaders(key); |
281 | 0 | List<?> values = EnumerationUtils.toList(valueEnum); |
282 | 0 | if (values.size() > 1) |
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{ |
284 | 0 | messageProperties.put(realKey, values.toArray()); |
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} |
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else |
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{ |
288 | 0 | messageProperties.put(realKey, values.get(0)); |
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} |
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} |
291 | 0 | } |
292 | 0 | } |
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} |