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1
14
15 package com.ibm.webdav.protocol.http;
16
17 import java.io.*;
18 import java.util.logging.*;
19
20 import javax.servlet.http.*;
21 import javax.xml.parsers.*;
22
23 import org.w3c.dom.*;
24
25 import com.ibm.webdav.*;
26 import com.ibm.webdav.impl.*;
27
28
29
35 public class SearchMethod extends WebDAVMethod {
36 private static Logger m_logger = Logger.getLogger(SearchMethod.class.getName());
37
38
39 public static final String  TAG_QUERY_SCHEMA_DISCOVERY = "query-schema-discovery";
40 public static final String TAG_SEARCHREQUEST = "searchrequest";
41
42
47 public SearchMethod(HttpServletRequest request,
48 HttpServletResponse response)
49 throws WebDAVException {
50 super(request, response);
51 methodName = "SEARCH";
52 }
53
54
57 public WebDAVStatus execute() {
58 MultiStatus multiStatus = null;
59
60 try {
61 String depth = context.getRequestContext().depth();
63
64 Document contents = null;
65
66 if (context.getRequestContext().contentLength() > 0) {
67 WebDAVErrorHandler errorHandler = new WebDAVErrorHandler(
69 resource.getURL()
70 .toString());
71
72
76 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
77 factory.setNamespaceAware(true);
78
79 DocumentBuilder docbuilder = factory.newDocumentBuilder();
80 docbuilder.setErrorHandler(errorHandler);
81 contents = docbuilder.parse(
82 new org.xml.sax.InputSource (
83 request.getReader()));
84
85 if (errorHandler.getErrorCount() > 0) {
86 throw new WebDAVException(WebDAVStatus.SC_BAD_REQUEST,
87 "Syntax error in SEARCH request entity body");
88 }
89 }
90
91 if (ResourceImpl.debug) {
94 System.err.println("property request entity:");
95
96 PrintWriter pout = new PrintWriter(System.err);
97 pout.print(XMLUtility.printNode(contents.getDocumentElement()));
98
99 }
101
102 Element rootEl = (Element) ((contents == null)
103 ? null : contents.getDocumentElement());
104
105 if(rootEl.getNamespaceURI().equals("DAV:") == false) {
106 throw new WebDAVException(WebDAVStatus.SC_BAD_REQUEST,
107 "Wrong namespace for request");
108 }
109
110
111 if(rootEl.getLocalName().equals(SearchMethod.TAG_QUERY_SCHEMA_DISCOVERY)) {
112 Element searchEl = (Element)rootEl.getElementsByTagName("*").item(0);
113
114 SearchRequest searchReq = SearchRequestFactory.getSearchRequest(searchEl);
115
116 multiStatus = resource.getSearchSchema(context,searchReq);
117
118 } else if(rootEl.getLocalName().equals(SearchMethod.TAG_SEARCHREQUEST)) {
119 Element searchEl = (Element)rootEl.getElementsByTagName("*").item(0);
120
121 SearchRequest searchReq = SearchRequestFactory.getSearchRequest(searchEl);
122 try {
123 multiStatus = resource.executeSearch(context,searchReq);
124 } catch(WebDAVException e) {
125 String sMsg = e.getMessage();
126 if(sMsg != null && sMsg.indexOf("scope") >0) {
127 setStatusCode(e.getStatusCode());
128 PrintWriter pout = new PrintWriter(response.getWriter(), false);
129 pout.print(this.getScopeErrorResponse(searchReq));
130 pout.close();
131 }
132 throw e;
133 }
134 }
135
136
137 context.getResponseContext().contentType("text/xml");
138 setResponseHeaders();
139 setStatusCode(WebDAVStatus.SC_MULTI_STATUS);
140
141 Document results = multiStatus.asXML();
143
144 if (ResourceImpl.debug) {
148 System.err.println("property results:");
149
150 PrintWriter pout = new PrintWriter(System.err);
151 pout.print(XMLUtility.printNode(results.getDocumentElement()));
152
153 }
154
155 PrintWriter pout = new PrintWriter(response.getWriter(), false);
156 pout.print(XMLUtility.printNode(results.getDocumentElement()));
157 pout.close();
158 } catch (WebDAVException exc) {
159 m_logger.log(Level.INFO, exc.getMessage() + " - " + request.getQueryString());
160 setStatusCode(exc.getStatusCode());
161 } catch (Exception exc) {
162 m_logger.log(Level.WARNING, exc.getMessage(), exc);
163 setStatusCode(WebDAVStatus.SC_INTERNAL_SERVER_ERROR);
164 }
165
166
167 return context.getStatusCode();
168 }
169
170 private String getScopeErrorResponse(SearchRequest searchReq) {
171 String response = "";
172 try {
173 Document document = DocumentBuilderFactory.newInstance()
174 .newDocumentBuilder()
175 .newDocument();
176
177 Element multiEl = document.createElementNS("DAV:","D:multistatus");
178 multiEl.setAttribute("xmlns:D","DAV:");
179
180 Element respEl = document.createElementNS("DAV:","D:response");
181
182 Element hrefEl = document.createElementNS("DAV:","D:href");
183
184 hrefEl.appendChild(document.createTextNode(searchReq.getScopeURI()));
185
186 respEl.appendChild(hrefEl);
187
188 Element statusEl = document.createElementNS("DAV:","D:status");
189
190 Element scopeErrorEl = document.createElementNS("DAV:","D:scopeerror");
191
192 statusEl.appendChild(document.createTextNode("HTTP/1.1 404 Object Not Found"));
193
194 respEl.appendChild(scopeErrorEl);
195
196 respEl.appendChild(statusEl);
197
198 multiEl.appendChild(respEl);
199
200 response = XMLUtility.printNode(multiEl);
201
202
203 } catch (Exception e) {
204 m_logger.log(Level.WARNING, e.getLocalizedMessage(), e);
205 }
206
207 return response;
208 }
209 } |
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