UnrecognizedTask.java

/*
 * Copyright 2010 The Rabbit Eclipse Plug-in Project
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package rabbit.ui.internal.util;

import rabbit.data.common.TaskId;

import org.eclipse.mylyn.tasks.core.IRepositoryElement;
import org.eclipse.mylyn.tasks.core.ITask;

import java.text.DateFormat;
import java.util.Date;
import java.util.Map;

/**
 * Represents a task that has been missing or deleted.
 */
public final class UnrecognizedTask implements ITask {

  private final DateFormat format = DateFormat.getDateTimeInstance();

  /**
   * The id of this task.
   */
  public final TaskId taskId;

  /**
   * Constructor.
   * 
   * @param id The id of this task.
   */
  public UnrecognizedTask(TaskId id) {
    if (id == null) {
      throw new NullPointerException();
    }
    this.taskId = id;
  }

  @Override
  public int compareTo(IRepositoryElement o) {
    return -1;
  }

  @Override
  public boolean equals(Object obj) {
    if (obj instanceof UnrecognizedTask) {
      return ((UnrecognizedTask) obj).taskId.equals(taskId);
    }
    return false;
  }

  @Override
  public Object getAdapter(@SuppressWarnings("rawtypes") Class adapter) {
    return null;
  }

  @Override
  public String getAttribute(String key) {
    return null;
  }

  @Override
  public Map<String, String> getAttributes() {
    return null;
  }

  @Override
  public Date getCompletionDate() {
    return null;
  }

  @Override
  public String getConnectorKind() {
    return null;
  }

  @Override
  public Date getCreationDate() {
    return taskId.getCreationDate();
  }

  @Override
  public Date getDueDate() {
    return null;
  }

  @Override
  public String getHandleIdentifier() {
    return taskId.getHandleIdentifier();
  }

  @Override
  public Date getModificationDate() {
    return null;
  }

  @Override
  public String getOwner() {
    return null;
  }

  @Override
  public String getPriority() {
    return null;
  }

  @Override
  public String getRepositoryUrl() {
    return null;
  }

  @Override
  public String getSummary() {
    String summary = "Unrecognized Task. ID: " + taskId.getHandleIdentifier();
    if (getCreationDate().getTime() > 0)
      summary += ". Created on: " + format.format(getCreationDate());

    return summary;
  }

  @Override
  public SynchronizationState getSynchronizationState() {
    return null;
  }

  @Override
  public String getTaskId() {
    return null;
  }

  @Override
  public String getTaskKey() {
    return null;
  }

  @Override
  public String getTaskKind() {
    return null;
  }

  @Override
  public String getUrl() {
    return null;
  }

  @Override
  public int hashCode() {
    return taskId.hashCode();
  }

  @Override
  public boolean isActive() {
    return false;
  }

  @Override
  public boolean isCompleted() {
    return false;
  }

  @Override
  public void setAttribute(String key, String value) {}

  @Override
  public void setCompletionDate(Date completionDate) {}

  @Override
  public void setCreationDate(Date date) {}

  @Override
  public void setDueDate(Date date) {}

  @Override
  public void setModificationDate(Date modificationDate) {}

  @Override
  public void setOwner(String owner) {}

  @Override
  public void setPriority(String priority) {}

  @Override
  public void setSummary(String summary) {}

  @Override
  public void setTaskKey(String taskKey) {}

  @Override
  public void setTaskKind(String kind) {}

  @Override
  public void setUrl(String taskUrl) {}

  @Override
  public String toString() {
    return getClass().getSimpleName() + ": " + taskId.toString();
  }
}