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org.apache.jetspeed.ajax.AJAXRequestImpl	0%	0%

1		/*
2		* Licensed to the Apache Software Foundation (ASF) under one or more
3		* contributor license agreements. See the NOTICE file distributed with
4		* this work for additional information regarding copyright ownership.
5		* The ASF licenses this file to You under the Apache License, Version 2.0
6		* (the "License"); you may not use this file except in compliance with
7		* the License. You may obtain a copy of the License at
8		*
9		* http://www.apache.org/licenses/LICENSE-2.0
10		*
11		* Unless required by applicable law or agreed to in writing, software
12		* distributed under the License is distributed on an "AS IS" BASIS,
13		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14		* See the License for the specific language governing permissions and
15		* limitations under the License.
16		*/
17		package org.apache.jetspeed.ajax;
18
19		import java.util.ArrayList;
20		import java.util.Iterator;
21		import java.util.List;
22		import java.util.Map;
23
24		import javax.servlet.ServletContext;
25		import javax.servlet.http.HttpServletRequest;
26		import javax.servlet.http.HttpServletResponse;
27
28		/**
29		* Request used for AJAX services.
30		*
31		* @author <href a="mailto:weaver@apache.org">Scott T. Weaver</a>
32		*
33		*/
34		public class AJAXRequestImpl implements AJAXRequest
35		{
36		public static final String AJAX_SERVICE = "ajax_service";
37		public static final String AJAX_PARAM_PREFIX = "ajax_param_";
38
39		private final HttpServletRequest request;
40		private List ajaxParams;
41		private final String serviceName;
42		private final String methodName;
43		private HttpServletResponse response;
44		private ServletContext context;
45
46		public AJAXRequestImpl(HttpServletRequest request, HttpServletResponse response, ServletContext context) throws AJAXException
47	0	{
48	0	this.request = request;
49	0	this.response = response;
50	0	this.context = context;
51	0	String serviceRequest = request.getParameter(AJAX_SERVICE);
52	0	if(serviceRequest == null )
53		{
54	0	throw new AJAXException("No '"+AJAX_SERVICE+"' parameter could be found in the request or it was not in the '{service_name}.{method_name}' format.");
55		}
56	0	final String split = serviceRequest.split("\\.")[0];
57	0	serviceName = split;
58	0	methodName = serviceRequest.split("\\.")[1];
59
60	0	parseRequestArguments();
61
62	0	}
63
64		/* (non-Javadoc)
65		* @see org.apache.jetspeed.ajax.AJAXRequest#getParameters()
66		*/
67		public List getParameters()
68		{
69	0	return ajaxParams;
70		}
71
72		/* (non-Javadoc)
73		* @see org.apache.jetspeed.ajax.AJAXRequest#getServiceName()
74		*/
75		public String getServiceName()
76		{
77	0	return serviceName;
78		}
79
80		protected List parseRequestArguments() throws AJAXException
81		{
82		try
83		{
84	0	ajaxParams = new ArrayList();
85	0	Map rawParams = request.getParameterMap();
86	0	Iterator entryItr = rawParams.entrySet().iterator();
87	0	while(entryItr.hasNext())
88		{
89	0	Map.Entry entry = (Map.Entry) entryItr.next();
90	0	String key = entry.getKey().toString();
91
92	0	if(key.startsWith(AJAX_PARAM_PREFIX))
93		{
94	0	String[] paramInfo = key.split("_");
95	0	int index = Integer.parseInt(paramInfo[2]);
96	0	String type = paramInfo[3];
97	0	AJAXParameter ajaxParam = new AJAXParameter(type, (String[])entry.getValue());
98	0	ajaxParams.add(index, ajaxParam);
99		}
100	0	}
101	0	return ajaxParams;
102		}
103	0	catch (Throwable e)
104		{
105	0	throw new AJAXException("Errors were encountered parsing request parameters for the AJAX service "+serviceName+": "+e.getMessage(), e);
106		}
107		}
108
109		public class AJAXParameter
110		{
111		private Object value;
112
113		public AJAXParameter(String typeName, String[] paramValues)
114		{
115		if(typeName.equals("int"))
116		{
117		if(paramValues.length > 1)
118		{
119		int[] class="keyword">intValues = new class="keyword">int[paramValues.length];
120		for(int i=0; i<paramValues.length; i++)
121		{
122		intValues[i] = Integer.parseInt(paramValues[i]);
123		}
124		}
125		else
126		{
127		value = new Integer(paramValues[0]);
128		}
129		}
130		else if(typeName.equals("str"))
131		{
132		if(paramValues.length > 1)
133		{
134		value = paramValues;
135		}
136		else
137		{
138		value = paramValues[0];
139		}
140		}
141		}
142
143		public Object getValue()
144		{
145		return value;
146		}
147		}
148
149
150		/* (non-Javadoc)
151		* @see org.apache.jetspeed.ajax.AJAXRequest#getMethodName()
152		*/
153		public String getMethodName()
154		{
155	0	return methodName;
156		}
157
158		/* (non-Javadoc)
159		* @see org.apache.jetspeed.ajax.AJAXRequest#getContext()
160		*/
161		public ServletContext getContext()
162		{
163	0	return context;
164		}
165
166		/* (non-Javadoc)
167		* @see org.apache.jetspeed.ajax.AJAXRequest#getServletRequest()
168		*/
169		public HttpServletRequest getServletRequest()
170		{
171	0	return request;
172		}
173
174		/* (non-Javadoc)
175		* @see org.apache.jetspeed.ajax.AJAXRequest#getServletResponse()
176		*/
177		public HttpServletResponse getServletResponse()
178		{
179	0	return response;
180		}
181		}

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