Mods to support requestUrl and requestQuesyString properties (#238).

src/main/java/org/gitlab4j/api/systemhooks/AbstractSystemHookEvent.java

+package org.gitlab4j.api.systemhooks;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+public abstract class AbstractSystemHookEvent implements SystemHookEvent {
+
+    private String requestUrl;
+    private String requestQuesryString;
+
+    @Override
+    public void setRequestUrl(String requestUrl) {
+        this.requestUrl = requestUrl;
+    }
+
+    @Override
+    @JsonIgnore
+    public String getRequestUrl() {
+        return (requestUrl);
+    }
+
+    @Override
+    public void setRequestQueryString(String requestQuesryString) {
+        this.requestQuesryString = requestQuesryString;
+    }
+
+    @Override
+    @JsonIgnore
+    public String getRequestQueryString() {
+        return (requestQuesryString);
+    }
+}

src/main/java/org/gitlab4j/api/systemhooks/GroupMemberSystemHookEvent.java

@@ -8,11 +8,11 @@ import javax.xml.bind.annotation.XmlRootElement;
 
 @XmlRootElement
 @XmlAccessorType(XmlAccessType.FIELD)
-public class GroupMemberSystemHookEvent implements SystemHookEvent {
-    
+public class GroupMemberSystemHookEvent extends AbstractSystemHookEvent {
+
     public static final String NEW_GROUP_MEMBER_EVENT = "user_add_to_group";
     public static final String GROUP_MEMBER_REMOVED_EVENT = "user_remove_from_group";
-    
+
     private Date createdAt;
     private Date updatedAt;
     private String eventName;

src/main/java/org/gitlab4j/api/systemhooks/GroupSystemHookEvent.java

@@ -8,7 +8,7 @@ import javax.xml.bind.annotation.XmlRootElement;
 
 @XmlRootElement
 @XmlAccessorType(XmlAccessType.FIELD)
-public class GroupSystemHookEvent implements SystemHookEvent {
+public class GroupSystemHookEvent extends AbstractSystemHookEvent {
     
     public static final String GROUP_CREATE_EVENT = "group_create";
     public static final String GROUP_DESTROY_EVENT = "group_destroy";
@@ -26,7 +26,6 @@ public class GroupSystemHookEvent implements SystemHookEvent {
     private String oldPath;
     private String oldFullPath;
 
-
     public Date getCreatedAt() {
         return createdAt;
     }

src/main/java/org/gitlab4j/api/systemhooks/KeySystemHookEvent.java

@@ -8,7 +8,7 @@ import javax.xml.bind.annotation.XmlRootElement;
 
 @XmlRootElement
 @XmlAccessorType(XmlAccessType.FIELD)
-public class KeySystemHookEvent implements SystemHookEvent {
+public class KeySystemHookEvent extends AbstractSystemHookEvent {
     
     public static final String KEY_CREATE_EVENT = "key_create";
     public static final String KEY_DESTROY_EVENT = "key_destroy";

src/main/java/org/gitlab4j/api/systemhooks/ProjectSystemHookEvent.java

@@ -10,7 +10,7 @@ import org.gitlab4j.api.models.Visibility;
 
 @XmlRootElement
 @XmlAccessorType(XmlAccessType.FIELD)
-public class ProjectSystemHookEvent implements SystemHookEvent {
+public class ProjectSystemHookEvent extends AbstractSystemHookEvent {
     
     public static final String PROJECT_CREATE_EVENT = "project_create";
     public static final String PROJECT_DESTROY_EVENT = "project_destroy";

src/main/java/org/gitlab4j/api/systemhooks/RepositorySystemHookEvent.java

@@ -10,7 +10,7 @@ import org.gitlab4j.api.webhook.EventProject;
 
 @XmlRootElement
 @XmlAccessorType(XmlAccessType.FIELD)
-public class RepositorySystemHookEvent implements SystemHookEvent {
+public class RepositorySystemHookEvent extends AbstractSystemHookEvent {
 
     public static final String REPOSITORY_UPDATE_EVENT = "repository_update";
 
@@ -26,7 +26,6 @@ public class RepositorySystemHookEvent implements SystemHookEvent {
     private List<RepositoryChange> changes;
     private List<String> refs;
 
-
     public String getEventName() {
         return (eventName);
     }

src/main/java/org/gitlab4j/api/systemhooks/SystemHookEvent.java

 package org.gitlab4j.api.systemhooks;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonSubTypes;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 
@@ -28,7 +29,14 @@ import com.fasterxml.jackson.annotation.JsonTypeInfo;
     @JsonSubTypes.Type(value = RepositorySystemHookEvent.class, name = RepositorySystemHookEvent.REPOSITORY_UPDATE_EVENT)
 })
 public interface SystemHookEvent {
-    public String getEventName();
+
+    String getEventName();
+
+    void setRequestUrl(String requestUrl);
+    @JsonIgnore String getRequestUrl();
+
+    void setRequestQueryString(String requestQuesryString);
+    @JsonIgnore String getRequestQueryString();
 }
 
 // All of the following class definitions are needed to make the above work.

src/main/java/org/gitlab4j/api/systemhooks/SystemHookManager.java

@@ -82,6 +82,8 @@ public class SystemHookManager extends HookManager {
                 event = jacksonJson.unmarshal(SystemHookEvent.class, reader);
             }
 
+            event.setRequestUrl(request.getRequestURL().toString());
+            event.setRequestQueryString(request.getQueryString());
             fireEvent(event);
 
         } catch (Exception e) {

src/main/java/org/gitlab4j/api/systemhooks/TeamMemberSystemHookEvent.java

@@ -10,7 +10,7 @@ import org.gitlab4j.api.models.Visibility;
 
 @XmlRootElement
 @XmlAccessorType(XmlAccessType.FIELD)
-public class TeamMemberSystemHookEvent implements SystemHookEvent {
+public class TeamMemberSystemHookEvent extends AbstractSystemHookEvent {
     
     public static final String NEW_TEAM_MEMBER_EVENT = "user_add_to_team";
     public static final String TEAM_MEMBER_REMOVED_EVENT = "user_remove_from_team";

src/main/java/org/gitlab4j/api/systemhooks/UserSystemHookEvent.java

@@ -8,7 +8,7 @@ import javax.xml.bind.annotation.XmlRootElement;
 
 @XmlRootElement
 @XmlAccessorType(XmlAccessType.FIELD)
-public class UserSystemHookEvent implements SystemHookEvent {
+public class UserSystemHookEvent extends AbstractSystemHookEvent {
     
     public static final String USER_CREATE_EVENT = "user_create";
     public static final String USER_DESTROY_EVENT = "user_destroy";

src/main/java/org/gitlab4j/api/webhook/AbstractEvent.java

+package org.gitlab4j.api.webhook;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+public abstract class AbstractEvent implements Event {
+
+    private String requestUrl;
+    private String requestQuesryString;
+
+    @Override
+    public void setRequestUrl(String requestUrl) {
+        this.requestUrl = requestUrl;
+    }
+
+    @Override
+    @JsonIgnore
+    public String getRequestUrl() {
+        return (requestUrl);
+    }
+
+    @Override
+    public void setRequestQueryString(String requestQuesryString) {
+        this.requestQuesryString = requestQuesryString;
+    }
+
+    @Override
+    @JsonIgnore
+    public String getRequestQueryString() {
+        return (requestQuesryString);
+    }
+}

src/main/java/org/gitlab4j/api/webhook/AbstractPushEvent.java

@@ -28,6 +28,9 @@ public abstract class AbstractPushEvent {
     private List<EventCommit> commits;
     private Integer totalCommitsCount;
 
+    private String requestUrl;
+    private String requestQuesryString;
+
     public String getEventName() {
         return (eventName);
     }
@@ -140,6 +143,24 @@ public abstract class AbstractPushEvent {
         this.totalCommitsCount = totalCommitsCount;
     }
 
+    public void setRequestUrl(String requestUrl) {
+        this.requestUrl = requestUrl;
+    }
+
+    @JsonIgnore
+    public String getRequestUrl() {
+        return (requestUrl);
+    }
+
+    public void setRequestQueryString(String requestQuesryString) {
+        this.requestQuesryString = requestQuesryString;
+    }
+
+    @JsonIgnore
+    public String getRequestQueryString() {
+        return (requestQuesryString);
+    }
+
     /**
      * Gets the branch name from the ref. Will return null if the ref does not start with "refs/heads/".
      * 

src/main/java/org/gitlab4j/api/webhook/BuildEvent.java

@@ -8,7 +8,7 @@ import javax.xml.bind.annotation.XmlAccessorType;
 import org.gitlab4j.api.models.User;
 
 @XmlAccessorType(XmlAccessType.FIELD)
-public class BuildEvent implements Event {
+public class BuildEvent extends AbstractEvent {
 
     /** X-Gitlab-Event header value pre GitLab v9.3.0 */
     public static final String BUILD_HOOK_X_GITLAB_EVENT = "Build Hook";

src/main/java/org/gitlab4j/api/webhook/Event.java

 package org.gitlab4j.api.webhook;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonSubTypes;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 
@@ -17,5 +18,15 @@ import com.fasterxml.jackson.annotation.JsonTypeInfo;
     @JsonSubTypes.Type(value = WikiPageEvent.class, name = WikiPageEvent.OBJECT_KIND)
 })
 public interface Event {     
-    public String getObjectKind();
+    String getObjectKind();
+
+    void setRequestUrl(String url);
+
+    @JsonIgnore
+    String getRequestUrl();
+
+    void setRequestQueryString(String queryString);
+
+    @JsonIgnore
+    String getRequestQueryString();
 }

src/main/java/org/gitlab4j/api/webhook/IssueEvent.java

@@ -7,7 +7,7 @@ import org.gitlab4j.api.models.Assignee;
 import org.gitlab4j.api.models.User;
 
 @XmlAccessorType(XmlAccessType.FIELD)
-public class IssueEvent implements Event {
+public class IssueEvent extends AbstractEvent {
 
     public static final String X_GITLAB_EVENT = "Issue Hook";
     public static final String OBJECT_KIND = "issue";

src/main/java/org/gitlab4j/api/webhook/MergeRequestEvent.java

@@ -6,7 +6,7 @@ import javax.xml.bind.annotation.XmlAccessorType;
 import org.gitlab4j.api.models.User;
 
 @XmlAccessorType(XmlAccessType.FIELD)
-public class MergeRequestEvent implements Event {
+public class MergeRequestEvent extends AbstractEvent {
 
     public static final String X_GITLAB_EVENT = "Merge Request Hook";
     public static final String OBJECT_KIND = "merge_request";

src/main/java/org/gitlab4j/api/webhook/NoteEvent.java

@@ -13,7 +13,7 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonValue;
 
 @XmlAccessorType(XmlAccessType.FIELD)
-public class NoteEvent implements Event {
+public class NoteEvent extends AbstractEvent {
 
     public static final String X_GITLAB_EVENT = "Note Hook";
     public static final String OBJECT_KIND = "note";

src/main/java/org/gitlab4j/api/webhook/PipelineEvent.java

@@ -10,7 +10,7 @@ import org.gitlab4j.api.models.ArtifactsFile;
 import org.gitlab4j.api.models.User;
 
 @XmlAccessorType(XmlAccessType.FIELD)
-public class PipelineEvent implements Event {
+public class PipelineEvent extends AbstractEvent {
 
     public static final String X_GITLAB_EVENT = "Pipeline Hook";
     public static final String OBJECT_KIND = "pipeline";

src/main/java/org/gitlab4j/api/webhook/PushEvent.java

@@ -16,7 +16,8 @@ public class PushEvent extends AbstractPushEvent implements Event {
     }
 
     public void setObjectKind(String objectKind) {
-        if (!OBJECT_KIND.equals(objectKind))
+        if (!OBJECT_KIND.equals(objectKind)) {
             throw new RuntimeException("Invalid object_kind (" + objectKind + "), must be '" + OBJECT_KIND + "'");
+        }
     }
 }

src/main/java/org/gitlab4j/api/webhook/WebHookManager.java

@@ -8,6 +8,7 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 
 import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpUtils;
 
 import org.gitlab4j.api.GitLabApi;
 import org.gitlab4j.api.GitLabApiException;
@@ -93,6 +94,8 @@ public class WebHookManager extends HookManager {
                 event = jacksonJson.unmarshal(Event.class, reader);
             }
 
+            event.setRequestUrl(request.getRequestURL().toString());
+            event.setRequestQueryString(request.getQueryString());
             fireEvent(event);
 
         } catch (Exception e) {