Example usage for com.mongodb.util JSONCallback JSONCallback

Introduction

In this page you can find the example usage for com.mongodb.util JSONCallback JSONCallback.

Prototype

JSONCallback

Source Link

Usage

From source file:com.xinqihd.sns.gameserver.util.JSON.java

License:Apache License

/**
 * Create a new parser.//from w  w w .j a v  a2s  . c o  m
 */
public JSONParser(String s, BSONCallback callback) {
    this.s = s;
    _callback = (callback == null) ? new JSONCallback() : callback;
}

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From source file:de.inovex.andsync.util.BsonConverter.java

License:Apache License

public static DBObject fromBson(byte[] bson) {
    JSONCallback callback = new JSONCallback();

    try {//from w  w  w .  ja  v a 2s  .  c o m
        decoderPool.get().decode(bson, callback);
    } catch (Exception ex) {
        Log.e("Data was not a valid BSON object.");
        return null;
    }

    return (DBObject) callback.get();
}

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From source file:de.inovex.andsync.util.BsonConverter.java

License:Apache License

public static List<DBObject> fromBsonList(byte[] bson) {

    JSONCallback callback = new JSONCallback();

    try {/*from ww w  . jav  a  2  s  .c o m*/
        decoderPool.get().decode(bson, callback);
        //new BasicBSONDecoder().decode(bson, callback);
    } catch (Exception ex) {
        Log.w("Data was not a valid BSON object.");
        return null;
    }

    BasicDBObject dbo = (BasicDBObject) callback.get();
    List<DBObject> list = new ArrayList<DBObject>(dbo.size());
    for (Object o : dbo.values()) {
        list.add((DBObject) o);
    }
    return list;

}

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From source file:org.apache.camel.component.mongodb.converters.MongoDbBasicConverters.java

License:Apache License

@Converter
public static DBObject fromInputStreamToDBObject(InputStream is, Exchange exchange) {
    DBObject answer = null;/*from   w ww .j  a  va2 s  .  c o m*/
    try {
        byte[] input = IOConverter.toBytes(is);

        if (isBson(input)) {
            BSONCallback callback = new JSONCallback();
            new BasicBSONDecoder().decode(input, callback);
            answer = (DBObject) callback.get();
        } else {
            answer = (DBObject) JSON.parse(IOConverter.toString(input, exchange));
        }
    } catch (Exception e) {
        LOG.warn(
                "String -> DBObject conversion selected, but the following exception occurred. Returning null.",
                e);
    } finally {
        // we need to make sure to close the input stream
        IOHelper.close(is, "InputStream", LOG);
    }
    return answer;
}

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From source file:org.chililog.server.data.MongoJsonParser.java

License:Apache License

/**
 * Create a new parser./*  www .  j  av  a  2 s  .  co  m*/
 */
private MongoJsonParser(String s, BSONCallback callback) {
    this.s = s;
    _callback = (callback == null) ? new JSONCallback() : callback;
}

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From source file:org.jongo.query.BsonQueryFactory.java

License:Apache License

public Query createQuery(final String query, Object... parameters) {

    if (query == null) {
        return new BsonQuery((DBObject) JSON.parse(query));
    }// w w  w.  ja v  a 2  s . co m
    if (parameters == null) {
        parameters = new Object[] { null };
    }

    // We have two different cases:
    //
    // - tokens as property names "{scores.#: 1}": they must be expanded before going
    //   through the JSON parser, and their toString() is inserted in the query
    //
    // - tokens as property values "{id: #}": they are resolved by the JSON parser and
    //   therefore marshalled as DBObjects (actually LazyDBObjects).

    StringBuilder sb = new StringBuilder();
    int paramIncrement = 0; // how many params must be skipped by the next value param
    int paramPos = 0; // current position in the parameter list
    int start = 0; // start of the current string segment
    int pos; // position of the last token found
    while ((pos = query.indexOf(token, start)) != -1) {
        if (paramPos >= parameters.length) {
            throw new IllegalArgumentException("Not enough parameters passed to query: " + query);
        }

        // Insert chars before the token
        sb.append(query, start, pos);

        // Check if the character preceding the token is one that separates values.
        // Otherwise, it's a property name substitution
        if (isValueToken(query, pos)) {
            // Will be resolved by the JSON parser below
            sb.append("{\"").append(MARSHALL_OPERATOR).append("\":").append(paramIncrement).append("}");
            paramIncrement = 0;
        } else {
            // Resolve it now
            sb.append(parameters[paramPos]);
            paramIncrement++;
        }

        paramPos++;
        start = pos + token.length();
    }

    // Add remaining chars
    sb.append(query, start, query.length());

    if (paramPos < parameters.length) {
        throw new IllegalArgumentException("Too many parameters passed to query: " + query);
    }

    final Object[] params = parameters;

    // Parse the query with a callback that will weave in marshalled parameters
    DBObject dbo;
    try {
        dbo = (DBObject) JSON.parse(sb.toString(), new JSONCallback() {

            int paramPos = 0;

            @Override
            public Object objectDone() {
                String name = curName();
                Object o = super.objectDone();

                if (o instanceof BSONObject && !(o instanceof List<?>)) {
                    BSONObject dbo = (BSONObject) o;
                    Object marshallValue = dbo.get(MARSHALL_OPERATOR);
                    if (marshallValue != null) {
                        paramPos += ((Number) marshallValue).intValue();
                        if (paramPos >= params.length) {
                            throw new IllegalArgumentException(
                                    "Not enough parameters passed to query: " + query);
                        }

                        o = marshallParameter(params[paramPos++]);

                        // Replace value set by super.objectDone()
                        if (!isStackEmpty()) {
                            _put(name, o);
                        } else {
                            o = !BSON.hasDecodeHooks() ? o : BSON.applyDecodingHooks(o);
                            setRoot(o);
                        }
                    }
                }

                if (isStackEmpty()) {
                    // End of object
                }

                return o;
            }
        });

    } catch (Exception e) {
        throw new IllegalArgumentException("Cannot parse query: " + query, e);
    }

    return new BsonQuery(dbo);

}

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