com.mongodb.internal.connection.AbstractByteBufBsonDocument Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of aem-sdk-api Show documentation
The Adobe Experience Manager SDK
There is a newer version: 2024.11.18751.20241128T090041Z-241100
/*
 * Copyright 2008-present MongoDB, Inc.
 *
 * 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.mongodb.internal.connection;

import org.bson.BsonDocument;
import org.bson.BsonReader;
import org.bson.BsonValue;
import org.bson.codecs.BsonValueCodecProvider;
import org.bson.codecs.DecoderContext;
import org.bson.codecs.configuration.CodecRegistry;
import java.util.Collection;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Set;
import static org.bson.codecs.BsonValueCodecProvider.getClassForBsonType;
import static org.bson.codecs.configuration.CodecRegistries.fromProviders;

// @deprecated Usage of this API is not supported in AEM as a Cloud Service.
@Deprecated(since = "2021-05-27")
abstract class AbstractByteBufBsonDocument extends BsonDocument {

    private static final long serialVersionUID = 1L;

    private static final CodecRegistry REGISTRY = fromProviders(new BsonValueCodecProvider());

    @Override
    public void clear() {
        throw new UnsupportedOperationException("ByteBufBsonDocument instances are immutable");
    }

    @Override
    public BsonValue put(final String key, final BsonValue value) {
        throw new UnsupportedOperationException("ByteBufBsonDocument instances are immutable");
    }

    @Override
    public BsonDocument append(final String key, final BsonValue value) {
        throw new UnsupportedOperationException("ByteBufBsonDocument instances are immutable");
    }

    @Override
    public void putAll(final Map m) {
        throw new UnsupportedOperationException("ByteBufBsonDocument instances are immutable");
    }

    @Override
    public BsonValue remove(final Object key) {
        throw new UnsupportedOperationException("ByteBufBsonDocument instances are immutable");
    }

    @Override
    public boolean isEmpty() {
        return findInDocument(new Finder() {

            @Override
            public Boolean find(final BsonReader bsonReader) {
                return false;
            }

            @Override
            public Boolean notFound() {
                return true;
            }
        });
    }

    @Override
    public int size() {
        return findInDocument(new Finder() {

            private int size;

            @Override
            public Integer find(final BsonReader bsonReader) {
                size++;
                bsonReader.readName();
                bsonReader.skipValue();
                return null;
            }

            @Override
            public Integer notFound() {
                return size;
            }
        });
    }

    @Override
    public Set> entrySet() {
        return toBsonDocument().entrySet();
    }

    @Override
    public Collection values() {
        return toBsonDocument().values();
    }

    @Override
    public Set keySet() {
        return toBsonDocument().keySet();
    }

    @Override
    public boolean containsKey(final Object key) {
        if (key == null) {
            throw new IllegalArgumentException("key can not be null");
        }
        Boolean containsKey = findInDocument(new Finder() {

            @Override
            public Boolean find(final BsonReader bsonReader) {
                if (bsonReader.readName().equals(key)) {
                    return true;
                }
                bsonReader.skipValue();
                return null;
            }

            @Override
            public Boolean notFound() {
                return false;
            }
        });
        return containsKey != null ? containsKey : false;
    }

    @Override
    public boolean containsValue(final Object value) {
        Boolean containsValue = findInDocument(new Finder() {

            @Override
            public Boolean find(final BsonReader bsonReader) {
                bsonReader.skipName();
                if (deserializeBsonValue(bsonReader).equals(value)) {
                    return true;
                }
                return null;
            }

            @Override
            public Boolean notFound() {
                return false;
            }
        });
        return containsValue != null ? containsValue : false;
    }

    @Override
    public BsonValue get(final Object key) {
        if (key == null) {
            throw new IllegalArgumentException("key can not be null");
        }
        return findInDocument(new Finder() {

            @Override
            public BsonValue find(final BsonReader bsonReader) {
                if (bsonReader.readName().equals(key)) {
                    return deserializeBsonValue(bsonReader);
                }
                bsonReader.skipValue();
                return null;
            }

            @Override
            public BsonValue notFound() {
                return null;
            }
        });
    }

    /**
     * Gets the first key in this document, or null if the document is empty.
     *
     * @return the first key in this document, or null if the document is empty
     */
    public String getFirstKey() {
        return findInDocument(new Finder() {

            @Override
            public String find(final BsonReader bsonReader) {
                return bsonReader.readName();
            }

            @Override
            public String notFound() {
                throw new NoSuchElementException();
            }
        });
    }

    // @deprecated Usage of this API is not supported in AEM as a Cloud Service.
    @Deprecated(since = "2021-05-27")
    interface Finder {

        T find(BsonReader bsonReader);

        T notFound();
    }

    abstract  T findInDocument(Finder finder);

    // AbstractBsonReader getBsonReader();
    abstract BsonDocument toBsonDocument();

    @Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        return toBsonDocument().equals(o);
    }

    @Override
    public int hashCode() {
        return toBsonDocument().hashCode();
    }

    private BsonValue deserializeBsonValue(final BsonReader bsonReader) {
        return REGISTRY.get(getClassForBsonType(bsonReader.getCurrentBsonType())).decode(bsonReader, DecoderContext.builder().build());
    }

    // see https://docs.oracle.com/javase/6/docs/platform/serialization/spec/output.html
    Object writeReplace() {
        return toBsonDocument();
    }
}