/*****************************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.pdfbox.preflight.utils;

import static org.apache.pdfbox.preflight.PreflightConstants.RENDERING_INTENT_ABS_COLOR;
import static org.apache.pdfbox.preflight.PreflightConstants.RENDERING_INTENT_PERCEPTUAL;
import static org.apache.pdfbox.preflight.PreflightConstants.RENDERING_INTENT_REL_COLOR;
import static org.apache.pdfbox.preflight.PreflightConstants.RENDERING_INTENT_SATURATION;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * This class contains a static list of RenderingIntent values to allow an easy RenderingIntent value validation. Here
 * is the content of the RenderingIntent list :
 * <UL>
 * <li>Perceptual
 * <li>Saturation
 * <li>AbsoluteColorimetric
 * <li>RelativeColorimetric
 * </UL>
 */
public class RenderingIntents
{
    private static List<String> RENDERING_INTENTS;

    static
    {
        ArrayList<String> al = new ArrayList<String>(4);
        al.add(RENDERING_INTENT_REL_COLOR);
        al.add(RENDERING_INTENT_ABS_COLOR);
        al.add(RENDERING_INTENT_PERCEPTUAL);
        al.add(RENDERING_INTENT_SATURATION);
        RENDERING_INTENTS = Collections.unmodifiableList(al);
    }

    public static boolean contains(Object riArg)
    {
        return RENDERING_INTENTS.contains(riArg);
    }
}

@@ -1781,16 +1781,22 @@
  static 
+final 
 List%3CStr
@@ -2141,16 +2141,60 @@
 %0A    %7D%0A%0A
+    private RenderingIntents()%0A    %7B%0A    %7D%0A%0A
     publ
@@ -2224,14 +2224,14 @@
 ins(
-Object
+String
  riA

make field final; add private constructor; change method type