Initial check-in.

src/main/java/com/messners/gitlab/api/GitLabApiException.java

+package com.messners.gitlab.api;
+
+import javax.ws.rs.core.Response.StatusType;
+
+import com.messners.gitlab.api.models.ErrorMessage;
+import com.sun.jersey.api.client.ClientResponse;
+
+public class GitLabApiException extends Exception {
+
+	private static final long serialVersionUID = 1L;
+	private StatusType statusInfo;
+	private String message;
+	
+	/**
+	 * 
+	 * @param response
+	 */
+	public GitLabApiException (ClientResponse response) {
+		
+		super();
+		statusInfo = response.getStatusInfo();
+
+		if (response.hasEntity()) {
+			try {
+			
+				ErrorMessage errorMessage = response.getEntity(ErrorMessage.class);
+				message = errorMessage.getMessage();
+				
+			} catch (Exception ignore) {}
+		}		
+	}
+
+	
+	public GitLabApiException (Exception e) {
+		super(e);
+		message = e.getMessage();
+	}
+	
+	
+	/**
+	 * 
+	 */
+	@Override
+	public final String getMessage () {		
+		return (message != null ? message : statusInfo.getReasonPhrase());
+	}	
+
+	
+	/**
+	 * 
+	 * @return
+	 */
+	public final String getReason () {		
+		return (statusInfo.getReasonPhrase());
+	}
+	
+	
+	/**
+	 * 
+	 * @return
+	 */
+	public final int getHttpStatus () {		
+		return (statusInfo.getStatusCode());
+	}
+}