/*****************************************************************************
 * 
 * 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.xmpbox.type;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.xmpbox.XMPMetadata;

public abstract class AbstractComplexProperty extends AbstractField
{

    private final ComplexPropertyContainer container;

    private final Map<String, String> namespaceToPrefix;

    public AbstractComplexProperty(XMPMetadata metadata, String propertyName)
    {
        super(metadata, propertyName);
        container = new ComplexPropertyContainer();
        this.namespaceToPrefix = new HashMap<String, String>();
    }

    public void addNamespace(String namespace, String prefix)
    {
        this.namespaceToPrefix.put(namespace, prefix);
    }

    public String getNamespacePrefix(String namespace)
    {
        return this.namespaceToPrefix.get(namespace);
    }

    public Map<String, String> getAllNamespacesWithPrefix()
    {
        return this.namespaceToPrefix;
    }

    /**
     * Add a property to the current structure
     * 
     * @param obj
     *            the property to add
     */
    public final void addProperty(AbstractField obj)
    {
        // https://www.adobe.com/content/dam/Adobe/en/devnet/xmp/pdfs/cs6/XMPSpecificationPart1.pdf
        // "Each property name in an XMP packet shall be unique within that packet"
        // "Multiple values are represented using an XMP array value"
        // "The nested elementâ€™s element content shall consist of zero or more rdf:li elements, 
        // one for each item in the array"
        // thus delete existing elements of a property, except for arrays ("li")
        if (!(this instanceof ArrayProperty))
        {
            container.removePropertiesByName(obj.getPropertyName());
        }
        container.addProperty(obj);
    }

    /**
     * Remove a property
     * 
     * @param property
     *            The property to remove
     */
    public final void removeProperty(AbstractField property)
    {
        container.removeProperty(property);
    }

    // /**
    // * Return the container of this Array
    // *
    // * @return The complex property container that represents content of this
    // * property
    // */
    public final ComplexPropertyContainer getContainer()
    {
        return container;
    }

    public final List<AbstractField> getAllProperties()
    {
        return container.getAllProperties();
    }

    public final AbstractField getProperty(String fieldName)
    {
        List<AbstractField> list = container.getPropertiesByLocalName(fieldName);
        // return null if no property
        if (list == null)
        {
            return null;
        }
        // return the first element of the list
        return list.get(0);
    }

    public final ArrayProperty getArrayProperty(String fieldName)
    {
        List<AbstractField> list = container.getPropertiesByLocalName(fieldName);
        // return null if no property
        if (list == null)
        {
            return null;
        }
        // return the first element of the list
        return (ArrayProperty) list.get(0);
    }

    protected final AbstractField getFirstEquivalentProperty(String localName, Class<? extends AbstractField> type)
    {
        return container.getFirstEquivalentProperty(localName, type);
    }

}

@@ -2373,11 +2373,9 @@
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fix comment