core/src/main/java/org/apache/myfaces/extensions/validator/core/property/PropertyDetails.java

/*
 * 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.myfaces.extensions.validator.core.property;

import org.apache.myfaces.extensions.validator.internal.UsageCategory;
import org.apache.myfaces.extensions.validator.internal.UsageInformation;

/**
 * @author Gerhard Petracek
 * @since 1.x.1
 */
@UsageInformation(UsageCategory.INTERNAL)
public class PropertyDetails
{
    //forms the id for cross-validation within complex components
    private String key;
    private Object baseObject;
    private String property;

    public PropertyDetails(String key, Object baseObject, String property)
    {
        this.key = key;
        this.baseObject = baseObject;
        this.property = property;
    }

    public String getKey()
    {
        return key;
    }

    public void setKey(String key)
    {
        this.key = key;
    }

    public Object getBaseObject()
    {
        return baseObject;
    }

    public void setBaseObject(Object baseObject)
    {
        this.baseObject = baseObject;
    }

    public String getProperty()
    {
        return property;
    }

    public void setProperty(String property)
    {
        this.property = property;
    }

    @Override
    public boolean equals(Object o)
    {
        if (this == o)
        {
            return true;
        }
        if (!(o instanceof PropertyDetails))
        {
            return false;
        }

        PropertyDetails that = (PropertyDetails) o;

        if (baseObject != null ? !baseObject.equals(that.baseObject) : that.baseObject != null)
        {
            return false;
        }
        if (key != null ? !key.equals(that.key) : that.key != null)
        {
            return false;
        }
        if (property != null ? !property.equals(that.property) : that.property != null)
        {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode()
    {
        int result = key != null ? key.hashCode() : 0;
        result = 31 * result + (baseObject != null ? createNullAwareHashCode(baseObject) : 0);
        result = 31 * result + (property != null ? property.hashCode() : 0);
        return result;
    }

    private int createNullAwareHashCode(Object o)
    {
        try
        {
            return o.hashCode();
        }
        catch (NullPointerException e)
        {
            return 0;
        }
    }
}