add cosine service

src/main/java/org/dataone/annotator/matcher/esor/CosineService.java

@@ -0,0 +1,64 @@
+package org.dataone.annotator.matcher.esor;
+
+import java.io.InputStream;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.HttpClients;
+import org.dataone.annotator.matcher.ConceptItem;
+import org.dataone.annotator.matcher.ConceptMatcher;
+
+public class CosineService implements ConceptMatcher {
+
+	private static Log log = LogFactory.getLog(CosineService.class);
+
+	//the cosine server
+	private static final String REST_URL = "https://esor.tw.rpi.edu/cosine/";
+
+
+	public CosineService() {
+	}
+
+
+	@Override
+	public List<ConceptItem> getConcepts(String fullText, String unit, String context) throws Exception {
+		return null;
+	}
+
+	@Override
+	public List<ConceptItem> getConcepts(Map<String, String> queryItems) throws Exception {
+		return null;
+	}
+
+	public static String lookupCosine(String id) throws Exception  {
+
+		HttpClient client = HttpClients.createDefault();
+		String uriStr = REST_URL + id;
+		log.debug("uriStr=" + uriStr);
+
+		// use post to handle potentially long parameter values
+		HttpGet method = new HttpGet(uriStr);
+		method.setHeader("Accept", "*/*");
+
+		HttpResponse response = client.execute(method);
+		int code = response.getStatusLine().getStatusCode();
+		if (2 != code / 100) {
+				throw new Exception("response code " + code + " for resource at " + uriStr);
+		}
+		InputStream body = response.getEntity().getContent();
+		String jsonStr = IOUtils.toString(body, "UTF-8");
+		log.debug("jsonStr=" + jsonStr);
+
+		return jsonStr;
+
+
+	}
+
+
+}