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[DL-Learner SVN] SF.net SVN: dl-learner:[4020] trunk/interfaces/src/main
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From: <dc...@us...> - 2013-07-16 05:25:44
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Revision: 4020
http://sourceforge.net/p/dl-learner/code/4020
Author: dcherix
Date: 2013-07-16 05:25:41 +0000 (Tue, 16 Jul 2013)
Log Message:
-----------
Added a simple possibility to configure via a webpage for sparqr
Modified Paths:
--------------
trunk/interfaces/src/main/java/org/dllearner/server/Rest.java
trunk/interfaces/src/main/webapp/WEB-INF/web.xml
Added Paths:
-----------
trunk/interfaces/src/main/java/org/dllearner/server/ConfGeneratorServlet.java
trunk/interfaces/src/main/resources/config.template
Added: trunk/interfaces/src/main/java/org/dllearner/server/ConfGeneratorServlet.java
===================================================================
--- trunk/interfaces/src/main/java/org/dllearner/server/ConfGeneratorServlet.java (rev 0)
+++ trunk/interfaces/src/main/java/org/dllearner/server/ConfGeneratorServlet.java 2013-07-16 05:25:41 UTC (rev 4020)
@@ -0,0 +1,221 @@
+/**
+ *
+ */
+package org.dllearner.server;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.URLDecoder;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.TreeMap;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletRequestWrapper;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.commons.lang.exception.ExceptionUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author didier
+ *
+ */
+public class ConfGeneratorServlet extends HttpServlet {
+
+ private Logger logger = LoggerFactory.getLogger(ConfGeneratorServlet.class);
+
+ private String template;
+
+ public ConfGeneratorServlet() {
+ BufferedReader input = new BufferedReader(new InputStreamReader(ConfGeneratorServlet.class
+ .getClassLoader().getResourceAsStream("config.template")));
+ StringBuilder builder = new StringBuilder();
+ try {
+ while (input.ready()) {
+ builder.append(input.readLine());
+ builder.append("\n");
+ }
+ } catch (IOException e) {
+ logger.error("", ExceptionUtils.getRootCause(e));
+ } finally {
+ try {
+ input.close();
+ } catch (IOException e) {
+ logger.error("", ExceptionUtils.getRootCause(e));
+ }
+ }
+ template = builder.toString();
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see
+ * javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest
+ * , javax.servlet.http.HttpServletResponse)
+ */
+ @Override
+ protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException,
+ IOException {
+ handle(req, resp);
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see
+ * javax.servlet.http.HttpServlet#doPost(javax.servlet.http.HttpServletRequest
+ * , javax.servlet.http.HttpServletResponse)
+ */
+ @Override
+ protected void doPost(HttpServletRequest req, HttpServletResponse resp)
+ throws ServletException, IOException {
+ handle(req, resp);
+ }
+
+ /**
+ * @param req
+ * @param resp
+ */
+ private void handle(HttpServletRequest req, HttpServletResponse resp) {
+ String tmp = template;
+ try {
+ String[] pos, neg = null;
+ if (!Rest.isSet("pos", req)) {
+ System.out.println("blub");
+ req.getRequestDispatcher("/WEB-INF/sparqr.html").forward(req, resp);
+ return;
+ } else {
+ pos = URLDecoder.decode(req.getParameter("pos"), "UTF-8").split(",");
+ if (Rest.isSet("neg", req)) {
+ neg = URLDecoder.decode(req.getParameter("neg"), "UTF-8").split(",");
+ }
+ }
+ StringBuilder posStr = new StringBuilder();
+ StringBuilder negStr = new StringBuilder();
+ StringBuilder instances = new StringBuilder();
+
+ if (neg != null) {
+ tmp=tmp.replace("<LPTYPE>", "\"posNegStandard\"");
+ for (int i = 0; i < neg.length; i++) {
+ if (i > 0) {
+ negStr.append(",\n");
+ instances.append(",\n");
+ }
+ negStr.append("\"");
+ negStr.append(neg[i].replaceAll("\"|\n|\\s", ""));
+ negStr.append("\"");
+ instances.append("\"");
+ instances.append(neg[i].replaceAll("\"|\n|\\s", ""));
+ instances.append("\"");
+ }
+ } else {
+ tmp=tmp.replace("<LPTYPE>", "\"posOnlyLP\"");
+ tmp=tmp.replace("lp.negativeExamples = {\n<NEGATIVES>\n} ", "");
+ }
+
+ for (int i = 0; i < pos.length; i++) {
+ if (i > 0) {
+ posStr.append(",\n");
+ }
+ if (instances.length() > 0) {
+ instances.append(",\n");
+ }
+ posStr.append("\"");
+ posStr.append(pos[i].replaceAll("\"|\n|\\s", ""));
+ posStr.append("\"");
+ instances.append("\"");
+ instances.append(pos[i].replaceAll("\"|\n|\\s", ""));
+ instances.append("\"");
+ }
+ tmp=tmp.replace("<INSTANCES>", instances.toString());
+ tmp=tmp.replace("<POSITIVES>", posStr.toString());
+ tmp=tmp.replace("<NEGATIVES>", negStr.toString());
+ Map<String, String[]> additionalParams = new HashMap<String, String[]>();
+ additionalParams.put("conf", new String[]{tmp});
+ System.out.println(tmp);
+ ModifiableWrappedRequest request = new ModifiableWrappedRequest(req, additionalParams);
+ request.getRequestDispatcher("/rest").forward(request, resp);
+ } catch (ServletException e) {
+ logger.error("", ExceptionUtils.getRootCause(e));
+ try {
+ resp.sendError(500, ExceptionUtils.getRootCause(e).toString());
+ } catch (IOException e1) {
+ logger.error("", ExceptionUtils.getRootCause(e1));
+ }
+ } catch (IOException e) {
+ logger.error("", ExceptionUtils.getRootCause(e));
+ try {
+ resp.sendError(500, ExceptionUtils.getRootCause(e).toString());
+ } catch (IOException e1) {
+ logger.error("", ExceptionUtils.getRootCause(e1));
+ }
+ }
+ }
+
+ public class ModifiableWrappedRequest extends HttpServletRequestWrapper
+ {
+ private final Map<String, String[]> modifiableParameters;
+ private Map<String, String[]> allParameters = null;
+
+ /**
+ * Create a new request wrapper that will merge additional parameters into
+ * the request object without prematurely reading parameters from the
+ * original request.
+ *
+ * @param request
+ * @param additionalParams
+ */
+ public ModifiableWrappedRequest(final HttpServletRequest request,
+ final Map<String, String[]> additionalParams)
+ {
+ super(request);
+ modifiableParameters = new TreeMap<String, String[]>();
+ modifiableParameters.putAll(additionalParams);
+ }
+
+ @Override
+ public String getParameter(final String name)
+ {
+ String[] strings = getParameterMap().get(name);
+ if (strings != null)
+ {
+ return strings[0];
+ }
+ return super.getParameter(name);
+ }
+
+ @Override
+ public Map<String, String[]> getParameterMap()
+ {
+ if (allParameters == null)
+ {
+ allParameters = new TreeMap<String, String[]>();
+ allParameters.putAll(super.getParameterMap());
+ allParameters.putAll(modifiableParameters);
+ }
+ //Return an unmodifiable collection because we need to uphold the interface contract.
+ return Collections.unmodifiableMap(allParameters);
+ }
+
+ @Override
+ public Enumeration<String> getParameterNames()
+ {
+ return Collections.enumeration(getParameterMap().keySet());
+ }
+
+ @Override
+ public String[] getParameterValues(final String name)
+ {
+ return getParameterMap().get(name);
+ }
+ }
+
+}
Property changes on: trunk/interfaces/src/main/java/org/dllearner/server/ConfGeneratorServlet.java
___________________________________________________________________
Added: svn:mime-type
## -0,0 +1 ##
+text/plain
\ No newline at end of property
Modified: trunk/interfaces/src/main/java/org/dllearner/server/Rest.java
===================================================================
--- trunk/interfaces/src/main/java/org/dllearner/server/Rest.java 2013-07-15 16:32:53 UTC (rev 4019)
+++ trunk/interfaces/src/main/java/org/dllearner/server/Rest.java 2013-07-16 05:25:41 UTC (rev 4020)
@@ -23,6 +23,7 @@
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
+import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
@@ -58,10 +59,10 @@
int limit = 5;
if (!isSet("conf", httpServletRequest)) {
// throw new IllegalArgumentException("Missing parameter: conf is required. ");
- httpServletResponse.sendError(400, "Missing parameter: conf is required. ");
+ httpServletRequest.getRequestDispatcher("/WEB-INF/sparqr.html").forward(httpServletRequest, httpServletResponse);
return;
} else {
- conf = httpServletRequest.getParameter("conf");
+ conf = URLDecoder.decode(httpServletRequest.getParameter("conf"));
if (isSet("limit", httpServletRequest)) {
limit = Integer.parseInt(httpServletRequest.getParameter("limit"));
}
Added: trunk/interfaces/src/main/resources/config.template
===================================================================
--- trunk/interfaces/src/main/resources/config.template (rev 0)
+++ trunk/interfaces/src/main/resources/config.template 2013-07-16 05:25:41 UTC (rev 4020)
@@ -0,0 +1,47 @@
+sparql.type = "sparqls"
+sparql.endpointURL = "http://dbpedia.org/sparql"
+sparql.defaultGraphURI = "http://dbpedia.org"
+sparql.recursionDepth = 2
+sparql.ontologySchemaUrls = {"http://downloads.dbpedia.org/3.6/dbpedia_3.6.owl" }
+sparql.aboxfilter = "FILTER (
+!isLiteral(?o) &&
+!regex(str(?p), 'http://dbpedia.org/property/website') &&
+!regex(str(?p), 'http://dbpedia.org/property/wikipage') &&
+!regex(str(?p), 'http://dbpedia.org/property/wikiPageUsesTemplate') &&
+!regex(str(?p), 'http://dbpedia.org/property/reference') &&
+!regex(str(?p), 'http://www.w3.org/2004/02/skos/core') &&
+!regex(str(?p), 'http://www.w3.org/2002/07/owl#sameAs') &&
+!regex(str(?p), 'http://xmlns.com/foaf/0.1/') &&
+!regex(str(?p), 'http://dbpedia.org/property/wordnet_type') &&
+!regex(str(?p), 'http://dbpedia.org/property/wikilink') &&
+regex(str(?o), '^http://dbpedia.org/resource/')
+) "
+sparql.tboxfilter = "FILTER ( !regex(str(?class), '^http://upload.wikimedia.org/wikipedia') &&
+!regex(str(?class), '^http://dbpedia.org/resource/Template') &&
+!regex(str(?class), '^http://dbpedia.org/resource/Category:') &&
+!regex(str(?class), '^http://umbel.org/umbel/') &&
+!regex(str(?class), '^http://dbpedia.org/class/yago')
+ ) . "
+sparql.instances = {
+<INSTANCES>
+ }
+reasoner.type = "fast instance checker"
+reasoner.sources = {sparql}
+lp.type = <LPTYPE>
+lp.positiveExamples = {
+<POSITIVES>
+}
+lp.negativeExamples = {
+<NEGATIVES>
+}
+lp.reasoner = reasoner
+op.type = "rho"
+op.useNegation = false
+op.useAllConstructor = false
+op.useCardinalityRestrictions = false
+op.useHasValueConstructor = true
+op.reasoner = reasoner
+alg.type = "ocel"
+alg.reasoner = reasoner
+alg.maxExecutionTimeInSeconds = 30
+alg.noisePercentage = 10.0
\ No newline at end of file
Modified: trunk/interfaces/src/main/webapp/WEB-INF/web.xml
===================================================================
--- trunk/interfaces/src/main/webapp/WEB-INF/web.xml 2013-07-15 16:32:53 UTC (rev 4019)
+++ trunk/interfaces/src/main/webapp/WEB-INF/web.xml 2013-07-16 05:25:41 UTC (rev 4020)
@@ -14,8 +14,18 @@
<servlet-name>rest</servlet-name>
<url-pattern>/rest</url-pattern>
</servlet-mapping>
+
+ <servlet>
+ <servlet-name>conf</servlet-name>
+ <servlet-class>org.dllearner.server.ConfGeneratorServlet</servlet-class>
+ </servlet>
+ <servlet-mapping>
+ <servlet-name>conf</servlet-name>
+ <url-pattern>/conf</url-pattern>
+ </servlet-mapping>
+
<servlet>
<servlet-name>NKEGeizhals</servlet-name>
<servlet-class>org.dllearner.server.NKEGeizhals</servlet-class>
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