form page ready to be implemented

nexacenter · Nov 8, 2015 · 3193b6b · 3193b6b
1 parent 24e09d1
commit 3193b6b
Show file tree

Hide file tree

Showing 27 changed files with 687 additions and 0 deletions.
diff --git a/.gitignore b/.gitignore
@@ -57,3 +57,11 @@ $RECYCLE.BIN/
 
 # Windows shortcuts
 *.lnk
+
+# Eclipse Project Files
+
+.classpath
+.project
+.settings/
+target/
+.springBeans
diff --git a/README.md b/README.md
diff --git a/pom.xml b/pom.xml
@@ -0,0 +1,154 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>sparqlGoodies</groupId>
+	<artifactId>sparql-splitter</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<build>
+		<sourceDirectory>src</sourceDirectory>
+		<plugins>
+			<plugin>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>3.1</version>
+				<configuration>
+					<source>1.7</source>
+					<target>1.7</target>
+				</configuration>
+			</plugin>
+			<plugin>
+				<artifactId>maven-assembly-plugin</artifactId>
+				<configuration>
+					<descriptorRefs>
+						<descriptorRef>jar-with-dependencies</descriptorRef>
+					</descriptorRefs>
+					<archive>
+						<manifest>
+							<mainClass>net.bygle.owlViewer.HtmlGenerator</mainClass>
+						</manifest>
+					</archive>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-jar-plugin</artifactId>
+				<configuration>
+					<archive>
+						<index>true</index>
+						<manifest>
+							<mainClass>net.bygle.owlViewer.HtmlGenerator</mainClass>
+							<addClasspath>true</addClasspath>
+							<classpathPrefix>dependency/</classpathPrefix>
+						</manifest>
+					</archive>
+				</configuration>
+			</plugin>
+		</plugins>
+		<pluginManagement>
+			<plugins>
+				<!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself. -->
+				<plugin>
+					<groupId>org.eclipse.m2e</groupId>
+					<artifactId>lifecycle-mapping</artifactId>
+					<version>1.0.0</version>
+					<configuration>
+						<lifecycleMappingMetadata>
+							<pluginExecutions>
+								<pluginExecution>
+									<pluginExecutionFilter>
+										<groupId>org.apache.maven.plugins</groupId>
+										<artifactId>maven-compiler-plugin</artifactId>
+										<versionRange>[3.1,)</versionRange>
+										<goals>
+											<goal>testCompile</goal>
+											<goal>compile</goal>
+										</goals>
+									</pluginExecutionFilter>
+									<action>
+										<ignore></ignore>
+									</action>
+								</pluginExecution>
+							</pluginExecutions>
+						</lifecycleMappingMetadata>
+					</configuration>
+				</plugin>
+			</plugins>
+		</pluginManagement>
+	</build>
+	<dependencies>
+		<dependency>
+			<groupId>org.apache.jena</groupId>
+			<artifactId>jena-arq</artifactId>
+			<version>2.13.0</version>
+			<exclusions>
+				<exclusion>
+					<artifactId>slf4j-log4j12</artifactId>
+					<groupId>org.slf4j</groupId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+		<dependency>
+			<groupId>commons-io</groupId>
+			<artifactId>commons-io</artifactId>
+			<version>2.4</version>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-core</artifactId>
+			<version>4.1.7.RELEASE</version>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-webmvc</artifactId>
+			<version>4.1.7.RELEASE</version>
+		</dependency>
+		<!-- Servlet -->
+		<dependency>
+			<groupId>org.apache.tomcat</groupId>
+			<artifactId>tomcat-servlet-api</artifactId>
+			<version>7.0.30</version>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>javax.servlet.jsp</groupId>
+			<artifactId>jsp-api</artifactId>
+			<version>2.1</version>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>javax.servlet.jsp.jstl</groupId>
+			<artifactId>jstl-api</artifactId>
+			<version>1.2</version>
+			<scope>provided</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>javax.servlet</groupId>
+					<artifactId>servlet-api</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+		<dependency>
+			<groupId>javax.servlet</groupId>
+			<artifactId>jstl</artifactId>
+			<version>1.2</version>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>ch.qos.logback</groupId>
+			<artifactId>logback-core</artifactId>
+			<version>1.0.13</version>
+		</dependency>
+		<dependency>
+			<groupId>ch.qos.logback</groupId>
+			<artifactId>logback-classic</artifactId>
+			<version>1.0.13</version>
+		</dependency>
+	</dependencies>
+	<pluginRepositories>
+		<pluginRepository>
+			<id>Codehaus</id>
+			<url>http://repository.codehaus.org/</url>
+			<snapshots>
+				<enabled>false</enabled>
+			</snapshots>
+		</pluginRepository>
+	</pluginRepositories>
+</project>
diff --git a/src/main/java/it/linkeddata/sparqlGoodies/controllers/ErrorController.java b/src/main/java/it/linkeddata/sparqlGoodies/controllers/ErrorController.java
@@ -0,0 +1,48 @@
+package it.linkeddata.sparqlGoodies.controllers;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.ModelMap;
+import org.springframework.web.bind.annotation.CookieValue;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@Controller
+public class ErrorController {
+
+	/* TODO: change the handler to send "error" param to the client */
+	@ResponseStatus(value = HttpStatus.NOT_ACCEPTABLE, reason = "unhandled encoding")
+	@RequestMapping(value = "/406")
+	public String error406(HttpServletResponse res, ModelMap model) {
+		model.addAttribute("statusCode", "406");
+		res.setStatus(HttpServletResponse.SC_NOT_ACCEPTABLE);
+		return "error";
+	}
+
+	@RequestMapping(value = "/404")
+	public String error404(HttpServletResponse res, ModelMap model, @RequestParam(value = "error", defaultValue = "") String error) {
+		model.addAttribute("error", error);
+		model.addAttribute("statusCode", "404");
+		res.setStatus(HttpServletResponse.SC_NOT_FOUND);
+		return "error";
+	}
+
+	@RequestMapping(value = "/400")
+	public String error400(HttpServletResponse res, ModelMap model) {
+		model.addAttribute("statusCode", "400");
+		res.setStatus(HttpServletResponse.SC_NOT_ACCEPTABLE);
+		return "error";
+	}
+
+	@RequestMapping(value = { "/500", "/error" })
+	public String error500(HttpServletResponse res, ModelMap model, @RequestParam(value = "error", defaultValue = "") String error) {
+		model.addAttribute("error", error);
+		model.addAttribute("statusCode", "500");
+		res.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+		return "error";
+	}
+
+}
diff --git a/src/main/java/it/linkeddata/sparqlGoodies/controllers/SparqlSplitter.java b/src/main/java/it/linkeddata/sparqlGoodies/controllers/SparqlSplitter.java
@@ -0,0 +1,128 @@
+package it.linkeddata.sparqlGoodies.controllers;
+
+import it.linkeddata.sparqlGoodies.splitter.ConfigurationBean;
+
+import java.io.UnsupportedEncodingException;
+import java.util.Locale;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.jena.atlas.web.AcceptList;
+import org.apache.jena.atlas.web.MediaType;
+import org.apache.jena.riot.Lang;
+import org.apache.jena.riot.RDFLanguages;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.ModelMap;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.util.UrlPathHelper;
+
+@Controller
+@RequestMapping(value = "")
+public class SparqlSplitter {
+
+	@Autowired
+	ConfigurationBean conf;
+
+	// final AcceptList offeringRDF = new
+	// AcceptList("text/turtle, application/turtle, " //
+	// + "application/x-turtle, application/rdf+xml, " //
+	// + "application/rdf+json, application/ld+json, " //
+	// + "text/plain, application/n-triples, text/trig, " //
+	// + "application/n-quads, application/x-trig, application/trig, " //
+	// + "text/n-quads, text/nquads, application/trix+xml, " //
+	// + "application/rdf+json, text/rdf+n3, application/n3, " //
+	// + "text/n3");
+
+	final AcceptList offeringRDF = new AcceptList("application/sparql-results+xml, application/sparql-results+json, text/boolean, application/x-binary-rdf-results-table");
+
+	final AcceptList offeringResources = new AcceptList("text/html, application/xhtml+xml");
+
+	@RequestMapping(value = { "robots.txt" }, produces = "text/plain")
+	public ResponseEntity<String> robots() {
+		return new ResponseEntity<String>("User-agent: *\nAllow: 	/", HttpStatus.OK);
+	}
+
+	@RequestMapping(value = { "{path:(?!staticResources).*/sparql$}", "{path:(?!staticResources).*$}/**/sparql" })
+	public Object home(ConfigurationBean conf, ModelMap model, HttpServletRequest req, HttpServletResponse res, Locale locale, @RequestParam(value = "query", defaultValue = "") String query, @RequestParam(value = "output", defaultValue = "") String output) throws UnsupportedEncodingException {
+
+		String requestUrl = req.getRequestURL().toString();
+		String request = requestUrl.replaceAll("/sparql$", "");
+		request = request.replaceAll(new UrlPathHelper().getContextPath(req), "");
+
+		if (query.equals("")) {
+
+			/* form page */
+			String user = conf.getSingleConfValueForSubject(request, "user", null);
+
+			if (user == null) {
+				return new ErrorController().error404(res, model, "sorry, no endpoint configured");
+			}
+
+			String staticPath = requestUrl.replaceAll("/$", "") + "/../../" + conf.getStaticResources();
+
+			model.addAttribute("user", user);
+			model.addAttribute("staticPath", staticPath);
+
+			return "form";
+		} else {
+
+			/* query result */
+
+			return query(conf, model, req, res, locale, query, output);
+		}
+	}
+
+	public Object query(ConfigurationBean conf, ModelMap model, HttpServletRequest req, HttpServletResponse res, Locale locale, String query, String output) throws UnsupportedEncodingException {
+
+		/* guessing the content Lang */
+
+		String[] acceptedContent = req.getHeader("Accept").split(",");
+		AcceptList a = AcceptList.create(acceptedContent);
+		MediaType matchItem = AcceptList.match(offeringRDF, a);
+		Lang lang = matchItem != null ? RDFLanguages.contentTypeToLang(matchItem.getContentType()) : null;
+		/* content type override */
+		if (!output.equals("")) {
+			try {
+				output = output.replaceAll("([a-zA-Z]) ([a-zA-Z])", "$1+$2");
+				a = AcceptList.create(output.split(","));
+				matchItem = AcceptList.match(offeringRDF, a);
+				lang = RDFLanguages.contentTypeToLang(matchItem.getContentType());
+			} catch (Exception e) {
+				return new ErrorController().error406(res, model);
+			}
+		}
+
+		try {
+			if (lang == null) {
+				matchItem = AcceptList.match(offeringResources, a);
+				if (matchItem != null) {
+
+					/* return HTML content */
+
+					return null;
+				} else {
+					return new ErrorController().error406(res, model);
+				}
+			} else {
+
+				/* return RDF content */
+
+				return null;
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+			if (e.getMessage() != null && e.getMessage().startsWith("404")) {
+				return new ErrorController().error404(res, model, e.getMessage());
+			} else {
+				return new ErrorController().error500(res, model, e.getMessage());
+			}
+		}
+
+	}
+
+}