Initial commit (#404).

src/main/java/org/gitlab4j/api/services/BugzillaService.java

+package org.gitlab4j.api.services;
+
+import org.gitlab4j.api.GitLabApiForm;
+
+public class BugzillaService extends NotificationService {
+
+    /**
+     * Get the form data for this service based on it's properties.
+     *
+     * @return the form data for this service based on it's properties
+     */
+    @Override
+    public GitLabApiForm servicePropertiesForm() {
+        GitLabApiForm formData = new GitLabApiForm()
+            .withParam(DESCRIPTION_PROP, getDescription())
+            .withParam(ISSUES_URL_PROP, getIssuesUrl(), true)
+            .withParam(NEW_ISSUE_URL_PROP, getNewIssueUrl(), true)
+            .withParam(PROJECT_URL_PROP, getProjectUrl(), true)
+            .withParam(PUSH_EVENTS_PROP, getPushEvents())
+            .withParam(TITLE_PROP, getTitle());
+        return formData;
+    }
+
+    public String getNewIssueUrl() {
+        return this.getProperty(NEW_ISSUE_URL_PROP);
+    }
+
+    public void setNewIssueUrl(String endpoint) {
+        this.setProperty(NEW_ISSUE_URL_PROP, endpoint);
+    }
+
+    public BugzillaService withNewIssueUrl(String endpoint) {
+        setNewIssueUrl(endpoint);
+        return this;
+    }
+
+    public String getIssuesUrl() {
+        return this.getProperty(ISSUES_URL_PROP);
+    }
+
+    public void setIssuesUrl(String endpoint) {
+        this.setProperty(ISSUES_URL_PROP, endpoint);
+    }
+
+    public BugzillaService withIssuesUrl(String endpoint) {
+        setIssuesUrl(endpoint);
+        return this;
+    }
+
+    public String getProjectUrl() {
+        return this.getProperty(PROJECT_URL_PROP);
+    }
+
+    public void setProjectUrl(String endpoint) {
+        this.setProperty(PROJECT_URL_PROP, endpoint);
+    }
+
+    public BugzillaService withProjectUrl(String endpoint) {
+        setProjectUrl(endpoint);
+        return this;
+    }
+
+    public String getDescription() {
+        return this.getProperty(DESCRIPTION_PROP);
+    }
+
+    public void setDescription(String description) {
+        this.setProperty(DESCRIPTION_PROP, description);
+    }
+
+    public BugzillaService withDescription(String description) {
+        setDescription(description);
+        return this;
+    }
+}

src/main/java/org/gitlab4j/api/services/CustomIssueTrackerService.java

+package org.gitlab4j.api.services;
+
+import org.gitlab4j.api.GitLabApiForm;
+
+public class CustomIssueTrackerService extends NotificationService {
+
+    /**
+     * Get the form data for this service based on it's properties.
+     *
+     * @return the form data for this service based on it's properties
+     */
+    @Override
+    public GitLabApiForm servicePropertiesForm() {
+        GitLabApiForm formData = new GitLabApiForm()
+            .withParam(DESCRIPTION_PROP, getDescription())
+            .withParam(ISSUES_URL_PROP, getIssuesUrl(), true)
+            .withParam(NEW_ISSUE_URL_PROP, getNewIssueUrl(), true)
+            .withParam(PROJECT_URL_PROP, getProjectUrl(), true)
+            .withParam(PUSH_EVENTS_PROP, getPushEvents())
+            .withParam(TITLE_PROP, getTitle());
+        return formData;
+    }
+
+    public String getNewIssueUrl() {
+        return this.getProperty(NEW_ISSUE_URL_PROP);
+    }
+
+    public void setNewIssueUrl(String endpoint) {
+        this.setProperty(NEW_ISSUE_URL_PROP, endpoint);
+    }
+
+    public CustomIssueTrackerService withNewIssueUrl(String endpoint) {
+        setNewIssueUrl(endpoint);
+        return this;
+    }
+
+    public String getIssuesUrl() {
+        return this.getProperty(ISSUES_URL_PROP);
+    }
+
+    public void setIssuesUrl(String endpoint) {
+        this.setProperty(ISSUES_URL_PROP, endpoint);
+    }
+
+    public CustomIssueTrackerService withIssuesUrl(String endpoint) {
+        setIssuesUrl(endpoint);
+        return this;
+    }
+
+    public String getProjectUrl() {
+        return this.getProperty(PROJECT_URL_PROP);
+    }
+
+    public void setProjectUrl(String endpoint) {
+        this.setProperty(PROJECT_URL_PROP, endpoint);
+    }
+
+    public CustomIssueTrackerService withProjectUrl(String endpoint) {
+        setProjectUrl(endpoint);
+        return this;
+    }
+
+    public String getDescription() {
+        return this.getProperty(DESCRIPTION_PROP);
+    }
+
+    public void setDescription(String description) {
+        this.setProperty(DESCRIPTION_PROP, description);
+    }
+
+    public CustomIssueTrackerService withDescription(String description) {
+        setDescription(description);
+        return this;
+    }
+}