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Java 1.6+ Library with tons of utility classes required in all projects

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/**
 * Copyright (C) 2014-2016 Philip Helger (www.helger.com)
 * philip[at]helger[dot]com
 *
 * 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.helger.commons.io.resource.inmemory;

import java.io.File;
import java.net.URL;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

import com.helger.commons.annotation.UnsupportedOperation;
import com.helger.commons.io.resource.IReadableResource;
import com.helger.commons.string.ToStringGenerator;

/**
 * Abstract base class for an {@link IReadableResource} that is not really a
 * resource but where the API does not offer alternatives. These resources
 * cannot be converted to a file or to a URL.
 *
 * @author Philip Helger
 */
public abstract class AbstractMemoryReadableResource implements IReadableResource
{
  public AbstractMemoryReadableResource ()
  {}

  @Nonnull
  public String getPath ()
  {
    return "";
  }

  @Nullable
  public URL getAsURL ()
  {
    return null;
  }

  @Nullable
  public File getAsFile ()
  {
    return null;
  }

  public boolean exists ()
  {
    return true;
  }

  @Nonnull
  @UnsupportedOperation
  public IReadableResource getReadableCloneForPath (@Nonnull final String sPath)
  {
    throw new UnsupportedOperationException ();
  }

  @Override
  public String toString ()
  {
    return new ToStringGenerator (this).toString ();
  }
}