Mods to support and test Discussions API (#279).

src/main/java/org/gitlab4j/api/AbstractApi.java

@@ -554,6 +554,15 @@ public abstract class AbstractApi implements Constants {
         return (new GitLabApiException(thrown));
     }
 
+    /**
+     * Creates a MultivaluedMap instance containing the "per_page" param.
+     *
+     * @param perPage the number of projects per page
+     * @return a MultivaluedMap instance containing the "per_page" param
+     */
+    protected MultivaluedMap<String, String> getPerPageQueryParam(int perPage) {
+        return (new GitLabApiForm().withParam(PER_PAGE_PARAM, perPage).asMap());
+    }
 
     /**
      * Creates a MultivaluedMap instance containing "page" and "per_page" params.

src/main/java/org/gitlab4j/api/MergeRequestApi.java

@@ -10,7 +10,6 @@ import javax.ws.rs.core.Response;
 
 import org.gitlab4j.api.GitLabApi.ApiVersion;
 import org.gitlab4j.api.models.Commit;
-import org.gitlab4j.api.models.Discussion;
 import org.gitlab4j.api.models.Issue;
 import org.gitlab4j.api.models.MergeRequest;
 import org.gitlab4j.api.models.MergeRequestFilter;
@@ -280,44 +279,6 @@ public class MergeRequestApi extends AbstractApi {
                 "projects", projectId, "merge_requests", mergeRequestIid, "commits"));
     }
 
-    /**
-     * Get a list of merge request discussions.
-     *
-     * <p>NOTE: GitLab API V4 uses IID (internal ID), V3 uses ID to identify the merge request.</p>
-     *
-     * GET /projects/:id/merge_requests/:merge_request_iid/discussions
-     *
-     * @param projectId the project ID for the merge request
-     * @param mergeRequestIid the internal ID of the merge request
-     * @param page the page to get
-     * @param perPage the number of commits per page
-     * @return a list containing the discussions for the specified merge request
-     * @throws GitLabApiException GitLabApiException if any exception occurs during execution
-     */
-    public List<Discussion> getDiscussions(int projectId, int mergeRequestIid, int page, int perPage) throws GitLabApiException {
-        Form formData = new GitLabApiForm().withParam("owned", false).withParam(PAGE_PARAM,  page).withParam(PER_PAGE_PARAM, perPage);
-        Response response = get(Response.Status.OK, formData.asMap(), "projects", projectId, "merge_requests", mergeRequestIid, "discussions");
-        return (response.readEntity(new GenericType<List<Discussion>>() {}));
-    }
-
-    /**
-     * Get a Pager of merge request discussions.
-     *
-     * <p>NOTE: GitLab API V4 uses IID (internal ID), V3 uses ID to identify the merge request.</p>
-     *
-     * GET /projects/:id/merge_requests/:merge_request_iid/discussions
-     *
-     * @param projectId the project ID for the merge request
-     * @param mergeRequestIid the internal ID of the merge request
-     * @param itemsPerPage the number of Commit instances that will be fetched per page
-     * @return a Pager containing the discussions for the specified merge request
-     * @throws GitLabApiException GitLabApiException if any exception occurs during execution
-     */
-    public Pager<Discussion> getDiscussions(int projectId, int mergeRequestIid, int itemsPerPage) throws GitLabApiException {
-        return (new Pager<Discussion>(this, Discussion.class, itemsPerPage, null,
-              "projects", projectId, "merge_requests", mergeRequestIid, "discussions"));
-    }
-
     /**
      * Creates a merge request and optionally assigns a reviewer to it.
      *
@@ -361,7 +322,6 @@ public class MergeRequestApi extends AbstractApi {
         return (response.readEntity(MergeRequest.class));
     }
 
-
     /**
      * Creates a merge request and optionally assigns a reviewer to it.
      *

src/main/java/org/gitlab4j/api/Pager.java

@@ -3,7 +3,6 @@ package org.gitlab4j.api;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
 import java.util.NoSuchElementException;
@@ -87,7 +86,7 @@ public class Pager<T> implements Iterator<List<T>>, Constants {
 
         try {
             currentItems = mapper.readValue((InputStream) response.getEntity(), javaType);
-        } catch (IOException e) {
+        } catch (Exception e) {
             throw new GitLabApiException(e);
         }
 
@@ -310,8 +309,8 @@ public class Pager<T> implements Iterator<List<T>>, Constants {
     	// regardless of what page the instance is currently on.
     	currentPage = 0;
 
-    	// Create a Stream.Builder to ontain all the items.  This is more efficient than
-    	// getting a List with all() and streaming that List
+        // Create a Stream.Builder to contain all the items.  This is more efficient than
+        // getting a List with all() and streaming that List
     	Stream.Builder<T> streamBuilder = Stream.builder();
 
     	// Iterate through the pages and append each page of items to the stream builder

src/main/java/org/gitlab4j/api/RepositoryApi.java

@@ -3,8 +3,6 @@ package org.gitlab4j.api;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.UnsupportedEncodingException;
-import java.net.URLEncoder;
 import java.nio.file.Files;
 import java.nio.file.StandardCopyOption;
 import java.util.List;

src/main/java/org/gitlab4j/api/models/Discussion.java

@@ -12,37 +12,36 @@ import org.gitlab4j.api.utils.JacksonJson;
 @XmlAccessorType(XmlAccessType.FIELD)
 public class Discussion {
 
-  private String id;
-  private Boolean individualNote;
-  private List<Note> notes;
-
-  public String getId() {
-    return id;
-  }
-
-  public Boolean getIndividualNote() {
-    return individualNote;
-  }
-
-  public List<Note> getNotes() {
-    return notes;
-  }
-
-  public void setId(String id) {
-    this.id = id;
-  }
-
-  public void setIndividualNote(Boolean individualNote) {
-    this.individualNote = individualNote;
-  }
-
-  public void setNotes(List<Note> notes) {
-    this.notes = notes;
-  }
-
-  @Override
-  public String toString() {
-      return (JacksonJson.toJsonString(this));
-  }
-
+    private String id;
+    private Boolean individualNote;
+    private List<Note> notes;
+
+    public String getId() {
+        return id;
+    }
+
+    public Boolean getIndividualNote() {
+        return individualNote;
+    }
+
+    public List<Note> getNotes() {
+        return notes;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public void setIndividualNote(Boolean individualNote) {
+        this.individualNote = individualNote;
+    }
+
+    public void setNotes(List<Note> notes) {
+        this.notes = notes;
+    }
+
+    @Override
+    public String toString() {
+        return (JacksonJson.toJsonString(this));
+    }
 }

src/main/java/org/gitlab4j/api/models/Note.java

@@ -40,7 +40,7 @@ public class Note {
 
     public static enum NoteableType {
 
-        COMMIT, ISSUE, MERGE_REQUEST, SNIPPET;
+        COMMIT, EPIC, ISSUE, MERGE_REQUEST, SNIPPET;
         private static JacksonJsonEnumHelper<NoteableType> enumHelper = new JacksonJsonEnumHelper<>(NoteableType.class, true, true);
 
         @JsonCreator
@@ -93,7 +93,7 @@ public class Note {
     private Integer noteableIid;
     private Boolean system;
     private String title;
-    private String updatedAt;
+    private Date updatedAt;
     private Boolean upvote;
     private Boolean resolved;
     private Boolean resolvable;
@@ -204,11 +204,11 @@ public class Note {
         this.title = title;
     }
 
-    public String getUpdatedAt() {
+    public Date getUpdatedAt() {
         return updatedAt;
     }
 
-    public void setUpdatedAt(String updatedAt) {
+    public void setUpdatedAt(Date updatedAt) {
         this.updatedAt = updatedAt;
     }
 

src/main/java/org/gitlab4j/api/utils/JacksonJson.java

@@ -8,6 +8,7 @@ import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
+import java.util.Map;
 import java.util.TimeZone;
 
 import javax.ws.rs.Produces;
@@ -23,6 +24,7 @@ import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParseException;
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.DeserializationContext;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.JsonDeserializer;
@@ -87,12 +89,12 @@ public class JacksonJson extends JacksonJaxbJsonProvider implements ContextResol
 
     /**
      * Unmarshal the JSON data on the specified Reader instance to an instance of the provided class.
-     * 
+     *
      * @param <T> the generics type for the return value
      * @param returnType an instance of this type class will be returned
      * @param reader the Reader instance that contains the JSON data
      * @return an instance of the provided class containing the parsed data from the Reader
-     * @throws JsonParseException when an error occurs paresing the provided JSON
+     * @throws JsonParseException when an error occurs parsing the provided JSON
      * @throws JsonMappingException if a JSON error occurs
      * @throws IOException if an error occurs reading the JSON data
      */
@@ -103,12 +105,12 @@ public class JacksonJson extends JacksonJaxbJsonProvider implements ContextResol
 
     /**
      * Unmarshal the JSON data contained by the string and populate an instance of the provided returnType class.
-     * 
+     *
      * @param <T> the generics type for the return value
      * @param returnType an instance of this type class will be returned
      * @param postData a String holding the POST data
      * @return an instance of the provided class containing the parsed data from the string
-     * @throws JsonParseException when an error occurs paresing the provided JSON
+     * @throws JsonParseException when an error occurs parsing the provided JSON
      * @throws JsonMappingException if a JSON error occurs
      * @throws IOException if an error occurs reading the JSON data
      */
@@ -117,6 +119,70 @@ public class JacksonJson extends JacksonJaxbJsonProvider implements ContextResol
         return (objectMapper.readValue(postData, returnType));
     }
 
+    /**
+     * Unmarshal the JSON data on the specified Reader instance and populate a List of instances of the provided returnType class.
+     *
+     * @param <T> the generics type for the List
+     * @param returnType an instance of this type class will be contained in the returned List
+     * @param reader the Reader instance that contains the JSON data
+     * @return a List of the provided class containing the parsed data from the Reader
+     * @throws JsonParseException when an error occurs parsing the provided JSON
+     * @throws JsonMappingException if a JSON error occurs
+     * @throws IOException if an error occurs reading the JSON data
+     */
+    public <T> List<T> unmarshalList(Class<T> returnType, Reader reader) throws JsonParseException, JsonMappingException, IOException {
+        ObjectMapper objectMapper = getContext(null);
+        return (objectMapper.readValue(reader, new TypeReference<List<T>>() {}));
+    }
+
+    /**
+     * Unmarshal the JSON data contained by the string and populate a List of instances of the provided returnType class.
+     *
+     * @param <T> the generics type for the List
+     * @param returnType an instance of this type class will be contained in the returned List
+     * @param postData a String holding the POST data
+     * @return a List of the provided class containing the parsed data from the string
+     * @throws JsonParseException when an error occurs parsing the provided JSON
+     * @throws JsonMappingException if a JSON error occurs
+     * @throws IOException if an error occurs reading the JSON data
+     */
+    public <T> List<T> unmarshalList(Class<T> returnType, String postData) throws JsonParseException, JsonMappingException, IOException {
+        ObjectMapper objectMapper = getContext(null);
+        return objectMapper.readValue(postData, new TypeReference<List<T>>() {});
+    }
+
+    /**
+     * Unmarshal the JSON data on the specified Reader instance and populate a Map of String keys and values of the provided returnType class.
+     *
+     * @param <T> the generics type for the Map value
+     * @param returnType an instance of this type class will be contained the values of the Map
+     * @param reader the Reader instance that contains the JSON data
+     * @return a Map containing the parsed data from the Reader
+     * @throws JsonParseException when an error occurs parsing the provided JSON
+     * @throws JsonMappingException if a JSON error occurs
+     * @throws IOException if an error occurs reading the JSON data
+     */
+    public <T> Map<String, T> unmarshalMap(Class<T> returnType, Reader reader) throws JsonParseException, JsonMappingException, IOException {
+        ObjectMapper objectMapper = getContext(null);
+        return (objectMapper.readValue(reader, new TypeReference<Map<String, T>>() {}));
+    }
+
+    /**
+     * Unmarshal the JSON data and populate a Map of String keys and values of the provided returnType class.
+     *
+     * @param <T> the generics type for the Map value
+     * @param returnType an instance of this type class will be contained the values of the Map
+     * @param jsonData the String containing the JSON data
+     * @return a Map containing the parsed data from the String
+     * @throws JsonParseException when an error occurs parsing the provided JSON
+     * @throws JsonMappingException if a JSON error occurs
+     * @throws IOException if an error occurs reading the JSON data
+     */
+    public <T> Map<String, T> unmarshalMap(Class<T> returnType, String jsonData) throws JsonParseException, JsonMappingException, IOException {
+        ObjectMapper objectMapper = getContext(null);
+        return (objectMapper.readValue(jsonData, new TypeReference<Map<String, T>>() {}));
+    }
+
     /**
      * Marshals the supplied object out as a formatted JSON string.
      *