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/*
* 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 org.bson;
import org.bson.codecs.BsonDocumentCodec;
import org.bson.codecs.DecoderContext;
import org.bson.codecs.EncoderContext;
import org.bson.codecs.configuration.CodecRegistry;
import org.bson.conversions.Bson;
import org.bson.io.BasicOutputBuffer;
import org.bson.json.JsonReader;
import org.bson.json.JsonWriter;
import org.bson.json.JsonWriterSettings;
import java.io.InvalidObjectException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.io.StringWriter;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import static java.lang.String.format;
/**
* A type-safe container for a BSON document. This class should NOT be sub-classed by third parties.
*
* @since 3.0
*
* @deprecated Usage of this API is not supported in AEM as a Cloud Service.
*/
@Deprecated(since = "2022-10-31")
public class BsonDocument extends BsonValue implements Map, Cloneable, Bson, Serializable {
private static final long serialVersionUID = 1L;
private final Map map = new LinkedHashMap();
/**
* Parses a string in MongoDB Extended JSON format to a {@code BsonDocument}
*
* @param json the JSON string
* @return a corresponding {@code BsonDocument} object
* @see org.bson.json.JsonReader
* @mongodb.driver.manual reference/mongodb-extended-json/ MongoDB Extended JSON
*/
public static BsonDocument parse(final String json) {
return new BsonDocumentCodec().decode(new JsonReader(json), DecoderContext.builder().build());
}
/**
* Construct a new instance with the given list {@code BsonElement}, none of which may be null.
*
* @param bsonElements a list of {@code BsonElement}
*/
public BsonDocument(final List bsonElements) {
for (BsonElement cur : bsonElements) {
put(cur.getName(), cur.getValue());
}
}
/**
* Construct a new instance with a single key value pair
*
* @param key the key
* @param value the value
*/
public BsonDocument(final String key, final BsonValue value) {
put(key, value);
}
/**
* Construct an empty document.
*/
public BsonDocument() {
}
@Override
public BsonDocument toBsonDocument(final Class documentClass, final CodecRegistry codecRegistry) {
return this;
}
@Override
public BsonType getBsonType() {
return BsonType.DOCUMENT;
}
@Override
public int size() {
return map.size();
}
@Override
public boolean isEmpty() {
return map.isEmpty();
}
@Override
public boolean containsKey(final Object key) {
return map.containsKey(key);
}
@Override
public boolean containsValue(final Object value) {
return map.containsValue(value);
}
@Override
public BsonValue get(final Object key) {
return map.get(key);
}
/**
* Gets the value of the key if it is a BsonDocument, or throws if not.
*
* @param key the key
* @return the value of the key as a BsonDocument
* @throws org.bson.BsonInvalidOperationException if the document does not contain the key or the value is not a BsonDocument
*/
public BsonDocument getDocument(final Object key) {
throwIfKeyAbsent(key);
return get(key).asDocument();
}
/**
* Gets the value of the key if it is a BsonArray, or throws if not.
*
* @param key the key
* @return the value of the key as a BsonArray
* @throws org.bson.BsonInvalidOperationException if the document does not contain the key or the value is not of the expected type
*/
public BsonArray getArray(final Object key) {
throwIfKeyAbsent(key);
return get(key).asArray();
}
/**
* Gets the value of the key if it is a BsonNumber, or throws if not.
*
* @param key the key
* @return the value of the key as a BsonNumber
* @throws org.bson.BsonInvalidOperationException if the document does not contain the key or the value is not of the expected type
*/
public BsonNumber getNumber(final Object key) {
throwIfKeyAbsent(key);
return get(key).asNumber();
}
/**
* Gets the value of the key if it is a BsonInt32, or throws if not.
*
* @param key the key
* @return the value of the key as a BsonInt32
* @throws org.bson.BsonInvalidOperationException if the document does not contain the key or the value is not of the expected type
*/
public BsonInt32 getInt32(final Object key) {
throwIfKeyAbsent(key);
return get(key).asInt32();
}
/**
* Gets the value of the key if it is a BsonInt64, or throws if not.
*
* @param key the key
* @return the value of the key as a BsonInt64
* @throws org.bson.BsonInvalidOperationException if the document does not contain the key or the value is not of the expected type
*/
public BsonInt64 getInt64(final Object key) {
throwIfKeyAbsent(key);
return get(key).asInt64();
}
/**
* Gets the value of the key if it is a BsonDecimal128, or throws if not.
*
* @param key the key
* @return the value of the key as a BsonDecimal128
* @throws org.bson.BsonInvalidOperationException if the document does not contain the key or the value is not of the expected type
* @since 3.4
*/
public BsonDecimal128 getDecimal128(final Object key) {
throwIfKeyAbsent(key);
return get(key).asDecimal128();
}
/**
* Gets the value of the key if it is a BsonDouble, or throws if not.
*
* @param key the key
* @return the value of the key as a BsonDouble
* @throws org.bson.BsonInvalidOperationException if the document does not contain the key or the value is not of the expected type
*/
public BsonDouble getDouble(final Object key) {
throwIfKeyAbsent(key);
return get(key).asDouble();
}
/**
* Gets the value of the key if it is a BsonBoolean, or throws if not.
*
* @param key the key
* @return the value of the key as a BsonBoolean
* @throws org.bson.BsonInvalidOperationException if the document does not contain the key or the value is not of the expected type
*/
public BsonBoolean getBoolean(final Object key) {
throwIfKeyAbsent(key);
return get(key).asBoolean();
}
/**
* Gets the value of the key if it is a BsonString, or throws if not.
*
* @param key the key
* @return the value of the key as a BsonString
* @throws org.bson.BsonInvalidOperationException if the document does not contain the key or the value is not of the expected type
*/
public BsonString getString(final Object key) {
throwIfKeyAbsent(key);
return get(key).asString();
}
/**
* Gets the value of the key if it is a BsonDateTime, or throws if not.
*
* @param key the key
* @return the value of the key as a BsonDateTime
* @throws org.bson.BsonInvalidOperationException if the document does not contain the key or the value is not of the expected type
*/
public BsonDateTime getDateTime(final Object key) {
throwIfKeyAbsent(key);
return get(key).asDateTime();
}
/**
* Gets the value of the key if it is a BsonTimestamp, or throws if not.
*
* @param key the key
* @return the value of the key as a BsonTimestamp
* @throws org.bson.BsonInvalidOperationException if the document does not contain the key or the value is not of the expected type
*/
public BsonTimestamp getTimestamp(final Object key) {
throwIfKeyAbsent(key);
return get(key).asTimestamp();
}
/**
* Gets the value of the key if it is a BsonObjectId, or throws if not.
*
* @param key the key
* @return the value of the key as a BsonObjectId
* @throws org.bson.BsonInvalidOperationException if the document does not contain the key or the value is not of the expected type
*/
public BsonObjectId getObjectId(final Object key) {
throwIfKeyAbsent(key);
return get(key).asObjectId();
}
/**
* Gets the value of the key if it is a BsonRegularExpression, or throws if not.
*
* @param key the key
* @return the value of the key as a BsonRegularExpression
* @throws org.bson.BsonInvalidOperationException if the document does not contain the key or the value is not of the expected type
*/
public BsonRegularExpression getRegularExpression(final Object key) {
throwIfKeyAbsent(key);
return get(key).asRegularExpression();
}
/**
* Gets the value of the key if it is a BsonBinary, or throws if not.
*
* @param key the key
* @return the value of the key as a BsonBinary
* @throws org.bson.BsonInvalidOperationException if the document does not contain the key or the value is not of the expected type
*/
public BsonBinary getBinary(final Object key) {
throwIfKeyAbsent(key);
return get(key).asBinary();
}
/**
* Returns true if the value of the key is a BsonNull, returns false if the document does not contain the key.
*
* @param key the key
* @return true if the value of the key is a BsonNull, returns false if the document does not contain the key.
*/
public boolean isNull(final Object key) {
if (!containsKey(key)) {
return false;
}
return get(key).isNull();
}
/**
* Returns true if the value of the key is a BsonDocument, returns false if the document does not contain the key.
*
* @param key the key
* @return true if the value of the key is a BsonDocument, returns false if the document does not contain the key.
*/
public boolean isDocument(final Object key) {
if (!containsKey(key)) {
return false;
}
return get(key).isDocument();
}
/**
* Returns true if the value of the key is a BsonArray, returns false if the document does not contain the key.
*
* @param key the key
* @return true if the value of the key is a BsonArray, returns false if the document does not contain the key.
*/
public boolean isArray(final Object key) {
if (!containsKey(key)) {
return false;
}
return get(key).isArray();
}
/**
* Returns true if the value of the key is a BsonNumber, returns false if the document does not contain the key.
*
* @param key the key
* @return true if the value of the key is a BsonNumber, returns false if the document does not contain the key.
*/
public boolean isNumber(final Object key) {
if (!containsKey(key)) {
return false;
}
return get(key).isNumber();
}
/**
* Returns true if the value of the key is a BsonInt32, returns false if the document does not contain the key.
*
* @param key the key
* @return true if the value of the key is a BsonInt32, returns false if the document does not contain the key.
*/
public boolean isInt32(final Object key) {
if (!containsKey(key)) {
return false;
}
return get(key).isInt32();
}
/**
* Returns true if the value of the key is a BsonInt64, returns false if the document does not contain the key.
*
* @param key the key
* @return true if the value of the key is a BsonInt64, returns false if the document does not contain the key.
*/
public boolean isInt64(final Object key) {
if (!containsKey(key)) {
return false;
}
return get(key).isInt64();
}
/**
* Returns true if the value of the key is a BsonDecimal128, returns false if the document does not contain the key.
*
* @param key the key
* @return true if the value of the key is a BsonDecimal128, returns false if the document does not contain the key.
* @since 3.4
*/
public boolean isDecimal128(final Object key) {
if (!containsKey(key)) {
return false;
}
return get(key).isDecimal128();
}
/**
* Returns true if the value of the key is a BsonDouble, returns false if the document does not contain the key.
*
* @param key the key
* @return true if the value of the key is a BsonDouble, returns false if the document does not contain the key.
*/
public boolean isDouble(final Object key) {
if (!containsKey(key)) {
return false;
}
return get(key).isDouble();
}
/**
* Returns true if the value of the key is a BsonBoolean, returns false if the document does not contain the key.
*
* @param key the key
* @return true if the value of the key is a BsonBoolean, returns false if the document does not contain the key.
*/
public boolean isBoolean(final Object key) {
if (!containsKey(key)) {
return false;
}
return get(key).isBoolean();
}
/**
* Returns true if the value of the key is a BsonString, returns false if the document does not contain the key.
*
* @param key the key
* @return true if the value of the key is a BsonString, returns false if the document does not contain the key.
*/
public boolean isString(final Object key) {
if (!containsKey(key)) {
return false;
}
return get(key).isString();
}
/**
* Returns true if the value of the key is a BsonDateTime, returns false if the document does not contain the key.
*
* @param key the key
* @return true if the value of the key is a BsonDateTime, returns false if the document does not contain the key.
*/
public boolean isDateTime(final Object key) {
if (!containsKey(key)) {
return false;
}
return get(key).isDateTime();
}
/**
* Returns true if the value of the key is a BsonTimestamp, returns false if the document does not contain the key.
*
* @param key the key
* @return true if the value of the key is a BsonTimestamp, returns false if the document does not contain the key.
*/
public boolean isTimestamp(final Object key) {
if (!containsKey(key)) {
return false;
}
return get(key).isTimestamp();
}
/**
* Returns true if the value of the key is a BsonObjectId, returns false if the document does not contain the key.
*
* @param key the key
* @return true if the value of the key is a BsonObjectId, returns false if the document does not contain the key.
*/
public boolean isObjectId(final Object key) {
if (!containsKey(key)) {
return false;
}
return get(key).isObjectId();
}
/**
* Returns true if the value of the key is a BsonBinary, returns false if the document does not contain the key.
*
* @param key the key
* @return true if the value of the key is a BsonBinary, returns false if the document does not contain the key.
*/
public boolean isBinary(final Object key) {
if (!containsKey(key)) {
return false;
}
return get(key).isBinary();
}
/**
* If the document does not contain the given key, return the given default value. Otherwise, gets the value of the key.
*
* @param key the key
* @param defaultValue the default value
* @return the value of the key as a BsonValue
*/
public BsonValue get(final Object key, final BsonValue defaultValue) {
BsonValue value = get(key);
return value != null ? value : defaultValue;
}
/**
* If the document does not contain the given key, return the given default value. Otherwise, gets the value of the key as a
* BsonDocument.
*
* @param key the key
* @param defaultValue the default value
* @return the value of the key as a BsonDocument
* @throws org.bson.BsonInvalidOperationException if the document contains the key but the value is not of the expected type
*/
public BsonDocument getDocument(final Object key, final BsonDocument defaultValue) {
if (!containsKey(key)) {
return defaultValue;
}
return get(key).asDocument();
}
/**
* If the document does not contain the given key, return the given default value. Otherwise, gets the value of the key as a
* BsonArray.
*
* @param key the key
* @param defaultValue the default value
* @return the value of the key as a BsonArray
* @throws org.bson.BsonInvalidOperationException if the document contains the key but the value is not of the expected type
*/
public BsonArray getArray(final Object key, final BsonArray defaultValue) {
if (!containsKey(key)) {
return defaultValue;
}
return get(key).asArray();
}
/**
* If the document does not contain the given key, return the given default value. Otherwise, gets the value of the key as a
* BsonNumber.
*
* @param key the key
* @param defaultValue the default value
* @return the value of the key as a BsonNumber
* @throws org.bson.BsonInvalidOperationException if the document contains the key but the value is not of the expected type
*/
public BsonNumber getNumber(final Object key, final BsonNumber defaultValue) {
if (!containsKey(key)) {
return defaultValue;
}
return get(key).asNumber();
}
/**
* If the document does not contain the given key, return the given default value. Otherwise, gets the value of the key as a
* BsonInt32.
*
* @param key the key
* @param defaultValue the default value
* @return the value of the key as a BsonInt32
* @throws org.bson.BsonInvalidOperationException if the document contains the key but the value is not of the expected type
*/
public BsonInt32 getInt32(final Object key, final BsonInt32 defaultValue) {
if (!containsKey(key)) {
return defaultValue;
}
return get(key).asInt32();
}
/**
* If the document does not contain the given key, return the given default value. Otherwise, gets the value of the key as a
* BsonInt64.
*
* @param key the key
* @param defaultValue the default value
* @return the value of the key as a BsonInt64
* @throws org.bson.BsonInvalidOperationException if the document contains the key but the value is not of the expected type
*/
public BsonInt64 getInt64(final Object key, final BsonInt64 defaultValue) {
if (!containsKey(key)) {
return defaultValue;
}
return get(key).asInt64();
}
/**
* If the document does not contain the given key, return the given default value. Otherwise, gets the value of the key as a
* BsonDecimal128.
*
* @param key the key
* @param defaultValue the default value
* @return the value of the key as a BsonDecimal128
* @throws org.bson.BsonInvalidOperationException if the document contains the key but the value is not of the expected type
* @since 3.4
*/
public BsonDecimal128 getDecimal128(final Object key, final BsonDecimal128 defaultValue) {
if (!containsKey(key)) {
return defaultValue;
}
return get(key).asDecimal128();
}
/**
* If the document does not contain the given key, return the given default value. Otherwise, gets the value of the key as a
* BsonDouble.
*
* @param key the key
* @param defaultValue the default value
* @return the value of the key as a BsonDouble
* @throws org.bson.BsonInvalidOperationException if the document contains the key but the value is not of the expected type
*/
public BsonDouble getDouble(final Object key, final BsonDouble defaultValue) {
if (!containsKey(key)) {
return defaultValue;
}
return get(key).asDouble();
}
/**
* If the document does not contain the given key, return the given default value. Otherwise, gets the value of the key as a
* BsonBoolean.
*
* @param key the key
* @param defaultValue the default value
* @return the value of the key as a BsonBoolean
* @throws org.bson.BsonInvalidOperationException if the document contains the key but the value is not of the expected type
*/
public BsonBoolean getBoolean(final Object key, final BsonBoolean defaultValue) {
if (!containsKey(key)) {
return defaultValue;
}
return get(key).asBoolean();
}
/**
* If the document does not contain the given key, return the given default value. Otherwise, gets the value of the key as a
* BsonString.
*
* @param key the key
* @param defaultValue the default value
* @return the value of the key as a BsonString
* @throws org.bson.BsonInvalidOperationException if the document contains the key but the value is not of the expected type
*/
public BsonString getString(final Object key, final BsonString defaultValue) {
if (!containsKey(key)) {
return defaultValue;
}
return get(key).asString();
}
/**
* If the document does not contain the given key, return the given default value. Otherwise, gets the value of the key as a
* BsonDateTime.
*
* @param key the key
* @param defaultValue the default value
* @return the value of the key as a BsonDateTime
* @throws org.bson.BsonInvalidOperationException if the document contains the key but the value is not of the expected type
*/
public BsonDateTime getDateTime(final Object key, final BsonDateTime defaultValue) {
if (!containsKey(key)) {
return defaultValue;
}
return get(key).asDateTime();
}
/**
* If the document does not contain the given key, return the given default value. Otherwise, gets the value of the key as a
* BsonTimestamp.
*
* @param key the key
* @param defaultValue the default value
* @return the value of the key as a BsonTimestamp
* @throws org.bson.BsonInvalidOperationException if the document contains the key but the value is not of the expected type
*/
public BsonTimestamp getTimestamp(final Object key, final BsonTimestamp defaultValue) {
if (!containsKey(key)) {
return defaultValue;
}
return get(key).asTimestamp();
}
/**
* If the document does not contain the given key, return the given default value. Otherwise, gets the value of the key as a
* BsonObjectId.
*
* @param key the key
* @param defaultValue the default value
* @return the value of the key as a BsonObjectId
* @throws org.bson.BsonInvalidOperationException if the document contains the key but the value is not of the expected type
*/
public BsonObjectId getObjectId(final Object key, final BsonObjectId defaultValue) {
if (!containsKey(key)) {
return defaultValue;
}
return get(key).asObjectId();
}
/**
* If the document does not contain the given key, return the given default value. Otherwise, gets the value of the key as a
* BsonBinary.
*
* @param key the key
* @param defaultValue the default value
* @return the value of the key as a BsonBinary
* @throws org.bson.BsonInvalidOperationException if the document contains the key but the value is not of the expected type
*/
public BsonBinary getBinary(final Object key, final BsonBinary defaultValue) {
if (!containsKey(key)) {
return defaultValue;
}
return get(key).asBinary();
}
/**
* If the document does not contain the given key, return the given default value. Otherwise, gets the value of the key as a
* BsonRegularExpression.
*
* @param key the key
* @param defaultValue the default value
* @return the value of the key as a BsonRegularExpression
* @throws org.bson.BsonInvalidOperationException if the document contains the key but the value is not of the expected type
*/
public BsonRegularExpression getRegularExpression(final Object key, final BsonRegularExpression defaultValue) {
if (!containsKey(key)) {
return defaultValue;
}
return get(key).asRegularExpression();
}
@Override
public BsonValue put(final String key, final BsonValue value) {
if (value == null) {
throw new IllegalArgumentException(format("The value for key %s can not be null", key));
}
if (key.contains("\0")) {
throw new BSONException(format("BSON cstring '%s' is not valid because it contains a null character at index %d", key, key.indexOf('\0')));
}
return map.put(key, value);
}
@Override
public BsonValue remove(final Object key) {
return map.remove(key);
}
@Override
public void putAll(final Map m) {
for (Map.Entry cur : m.entrySet()) {
put(cur.getKey(), cur.getValue());
}
}
@Override
public void clear() {
map.clear();
}
@Override
public Set keySet() {
return map.keySet();
}
@Override
public Collection values() {
return map.values();
}
@Override
public Set> entrySet() {
return map.entrySet();
}
/**
* Put the given key and value into this document, and return the document.
*
* @param key the key
* @param value the value
* @return this
*/
public BsonDocument append(final String key, final BsonValue value) {
put(key, value);
return this;
}
/**
* Gets the first key in the document.
*
* @return the first key in the document
* @throws java.util.NoSuchElementException if the document is empty
* @since 3.6
*/
public String getFirstKey() {
return keySet().iterator().next();
}
/**
* Gets the first value in the document
*
* @return the first value in the document
* @throws java.util.NoSuchElementException if the document is empty
* @since 3.7
*/
public BsonReader asBsonReader() {
return new BsonDocumentReader(this);
}
@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (!(o instanceof BsonDocument)) {
return false;
}
BsonDocument that = (BsonDocument) o;
return entrySet().equals(that.entrySet());
}
@Override
public int hashCode() {
return entrySet().hashCode();
}
/**
* Gets a JSON representation of this document using the {@link org.bson.json.JsonMode#STRICT} output mode, and otherwise the default
* settings of {@link JsonWriterSettings.Builder}.
*
* @return a JSON representation of this document
* @see #toJson(JsonWriterSettings)
* @see JsonWriterSettings
*/
@SuppressWarnings("deprecation")
public String toJson() {
return toJson(new JsonWriterSettings());
}
/**
* Gets a JSON representation of this document using the given {@code JsonWriterSettings}.
* @param settings the JSON writer settings
* @return a JSON representation of this document
*/
public String toJson(final JsonWriterSettings settings) {
StringWriter writer = new StringWriter();
new BsonDocumentCodec().encode(new JsonWriter(writer, settings), this, EncoderContext.builder().build());
return writer.toString();
}
@Override
public String toString() {
return toJson();
}
@Override
public BsonDocument clone() {
BsonDocument to = new BsonDocument();
for (Entry cur : entrySet()) {
switch(cur.getValue().getBsonType()) {
case DOCUMENT:
to.put(cur.getKey(), cur.getValue().asDocument().clone());
break;
case ARRAY:
to.put(cur.getKey(), cur.getValue().asArray().clone());
break;
case BINARY:
to.put(cur.getKey(), BsonBinary.clone(cur.getValue().asBinary()));
break;
case JAVASCRIPT_WITH_SCOPE:
to.put(cur.getKey(), BsonJavaScriptWithScope.clone(cur.getValue().asJavaScriptWithScope()));
break;
default:
to.put(cur.getKey(), cur.getValue());
}
}
return to;
}
private void throwIfKeyAbsent(final Object key) {
if (!containsKey(key)) {
throw new BsonInvalidOperationException("Document does not contain key " + key);
}
}
// see https://docs.oracle.com/javase/6/docs/platform/serialization/spec/output.html
private Object writeReplace() {
return new SerializationProxy(this);
}
// see https://docs.oracle.com/javase/6/docs/platform/serialization/spec/input.html
private void readObject(final ObjectInputStream stream) throws InvalidObjectException {
throw new InvalidObjectException("Proxy required");
}
// @deprecated Usage of this API is not supported in AEM as a Cloud Service.
@Deprecated(since = "2022-10-31")
private static class SerializationProxy implements Serializable {
private static final long serialVersionUID = 1L;
private final byte[] bytes;
SerializationProxy(final BsonDocument document) {
BasicOutputBuffer buffer = new BasicOutputBuffer();
new BsonDocumentCodec().encode(new BsonBinaryWriter(buffer), document, EncoderContext.builder().build());
this.bytes = new byte[buffer.size()];
int curPos = 0;
for (ByteBuf cur : buffer.getByteBuffers()) {
System.arraycopy(cur.array(), cur.position(), bytes, curPos, cur.limit());
curPos += cur.position();
}
}
private Object readResolve() {
return new BsonDocumentCodec().decode(new BsonBinaryReader(ByteBuffer.wrap(bytes).order(ByteOrder.LITTLE_ENDIAN)), DecoderContext.builder().build());
}
}
}