/*
 * Copyright 2013 Mat Booth <mbooth@apache.org>
 *
 * 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 com.gpm.calameo;

public class ItemList<T> {
  private String total;
  private int start;
  private int step;
  private T[] items;

  public ItemList() {
  }

  public String getTotal() {
    return total;
  }

  public int getStart() {
    return start;
  }

  public int getStep() {
    return step;
  }

  public T[] getItems() {
    return items;
  }

  @Override
  public String toString() {
    StringBuilder s = new StringBuilder();
    for (T item : getItems()) {
      if (s.toString().isEmpty()) {
        s.append(String.format("{ Total: %s, Start: %d, Step: %d, Items: [ ", getTotal(), getStart(), getStep()));
      } else {
        s.append(", ");
      }
      s.append(item.toString());
    }
    s.append(" ] }");
    return s.toString();
  }
}

/*
 * Copyright 2013 Mat Booth <mbooth@apache.org>
 *
 * 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 com.gpm.calameo;

public class ItemList<T> {
  private String total;
  private int start;
  private int step;
  private T[] items;

  public ItemList() {
  }

  public String getTotal() {
    return total;
  }

  public int getStart() {
    return start;
  }

  public int getStep() {
    return step;
  }

  public T[] getItems() {
    return items;
  }

  @Override
  public String toString() {
    StringBuilder s = new StringBuilder();
    final T[] items = getItems();
    if (items != null) {
      for (T item : getItems()) {
        if (s.toString().isEmpty()) {
          s.append(String.format("{ Total: %s, Start: %d, Step: %d, Items: [ ", getTotal(), getStart(), getStep()));
        } else {
          s.append(", ");
        }
        s.append(item.toString());
      }
      s.append(" ] }");
    } else {
      s.append(String.format("{ Total: %s, Start: %d, Step: %d }", getTotal(), getStart(), getStep()));
    }
    return s.toString();
  }
}

Fix potential NPE in ItemList.