Example usage for com.mongodb.util JSON parse

List of usage examples for com.mongodb.util JSON parse

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Introduction

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

Prototype

public static Object parse(final String jsonString)

Source Link

Document

Parses a JSON string and returns a corresponding Java object.

Usage

From source file:org.apache.rya.indexing.pcj.storage.mongo.MongoPcjDocuments.java

License:Apache License

/**
 * List the document Ids of the PCJs that are stored in MongoDB
 * for this instance of Rya./*from w  w  w .j  a v  a  2 s.c  o m*/
 *
 * @return A list of pcj document Ids that hold PCJ index data for the current
 *   instance of Rya.
 */
public List<String> listPcjDocuments() {
    final List<String> pcjIds = new ArrayList<>();

    //This Bson string reads as:
    //{} - no search criteria: find all
    //{ _id: 1 } - only return the _id, which is the PCJ Id.
    final FindIterable<Document> rez = pcjCollection
            .find((Bson) JSON.parse("{ }, { " + PCJ_METADATA_ID + ": 1 , _id: 0}"));
    final Iterator<Document> iter = rez.iterator();
    while (iter.hasNext()) {
        pcjIds.add(iter.next().get(PCJ_METADATA_ID).toString().replace("_METADATA", ""));
    }

    return pcjIds;
}

From source file:org.apache.rya.mongodb.iter.RyaStatementBindingSetCursorIterator.java

License:Apache License

private void findNextResult() {
    if (!currentBatchQueryResultCursorIsValid()) {
        submitBatchQuery();/*w w  w. java  2 s  .c  o  m*/
    }

    if (currentBatchQueryResultCursorIsValid()) {
        // convert to Rya Statement
        final Document queryResult = batchQueryResultsIterator.next();
        final DBObject dbo = (DBObject) JSON.parse(queryResult.toJson());
        currentResultStatement = strategy.deserializeDBObject(dbo);

        // Find all of the queries in the executed RangeMap that this result matches
        // and collect all of those binding sets
        Set<BindingSet> bsList = new HashSet<>();
        for (RyaStatement executedQuery : executedRangeMap.keys()) {
            if (isResultForQuery(executedQuery, currentResultStatement)) {
                bsList.addAll(executedRangeMap.get(executedQuery));
            }
        }
        currentBindingSetIterator = bsList.iterator();
    }

    // Handle case of invalid currentResultStatement or no binding sets returned
    if ((currentBindingSetIterator == null || !currentBindingSetIterator.hasNext())
            && (currentBatchQueryResultCursorIsValid() || queryIterator.hasNext())) {
        findNextResult();
    }
}

From source file:org.apache.sling.mongodb.impl.MongoDBResourceProvider.java

License:Apache License

public Iterator<Resource> findResources(final ResourceResolver resolver, String query, String language) {
    if (!language.equals("mongodb") || query == null || query.length() == 0 || query.indexOf(".find(") <= 0) {
        return null;
    }/* w  w w. jav a2s  .com*/
    Iterator<Resource> returnValue = null;
    final String collectionName = query.substring(0, query.indexOf(".find("));
    DBCollection col = this.getCollection(collectionName);
    if (col != null) {
        String criteria = query.trim().substring(query.indexOf(".find(") + 6, query.length() - 1);
        DBObject dbObject = (DBObject) JSON.parse(criteria);
        final DBCursor cur = col.find(dbObject);
        final String rootPath = context.getRootWithSlash();

        return new Iterator<Resource>() {

            public boolean hasNext() {
                return cur.hasNext();
            }

            public Resource next() {
                final DBObject obj = cur.next();
                final String objPath = obj.get(getPROP_PATH()).toString();
                final int lastSlash = objPath.lastIndexOf('/');
                final String name;
                if (lastSlash == -1) {
                    name = objPath;
                } else {
                    name = objPath.substring(lastSlash + 1);
                }
                return new MongoDBResource(resolver, rootPath + collectionName + "/" + name, collectionName,
                        obj, MongoDBResourceProvider.this);
            }

            public void remove() {
                throw new UnsupportedOperationException("remove");
            }

        };
    }

    return returnValue;
}

From source file:org.apache.streams.mongo.MongoPersistWriter.java

License:Apache License

protected DBObject prepareObject(StreamsDatum streamsDatum) {
    DBObject dbObject = null;/*w  ww . j  ava 2 s  . c o  m*/
    if (streamsDatum.getDocument() instanceof String) {
        dbObject = (DBObject) JSON.parse((String) streamsDatum.getDocument());
    } else {
        try {
            ObjectNode node = mapper.valueToTree(streamsDatum.getDocument());
            dbObject = (DBObject) JSON.parse(node.toString());
        } catch (Exception e) {
            e.printStackTrace();
            LOGGER.error("Unsupported type: " + streamsDatum.getDocument().getClass(), e);
        }
    }
    return dbObject;
}

From source file:org.apereo.openlrs.model.event.Event.java

License:Educational Community License

protected DBObject toDBObject(String json) {
    return (DBObject) JSON.parse(json);
}

From source file:org.aw20.mongoworkbench.command.MongoCommand.java

License:Open Source License

public String getExceptionMessage() {
    if (lastException == null)
        return "";

    if (lastException instanceof MongoException) {
        String e = lastException.getMessage();
        if (e.startsWith("command failed [$eval]: {") && e.endsWith("}")) {
            try {
                Map m = (Map) JSON.parse(e.substring(e.indexOf("{")));
                return (String) m.get("errmsg");
            } catch (Exception ee) {
                return lastException.getMessage();
            }/*w w w.ja v a 2  s  . co  m*/
        }
    }

    return lastException.getMessage();
}

From source file:org.aw20.mongoworkbench.command.RemoveMongoCommand.java

License:Open Source License

@Override
public void execute() throws Exception {
    MongoClient mdb = MongoFactory.getInst().getMongo(sName);

    if (mdb == null)
        throw new Exception("no server selected");

    if (sDb == null)
        throw new Exception("no database selected");

    MongoFactory.getInst().setActiveDB(sDb);

    DB db = mdb.getDB(sDb);//from w  w  w.  j a  v  a  2 s . c  o  m
    BasicDBObject cmdMap = parseMongoCommandString(db, cmd);

    if (!cmdMap.containsField("removeArgs"))
        throw new Exception("no remove document");

    DBCollection collection = db.getCollection(sColl);

    BasicDBList args = (BasicDBList) cmdMap.get("removeArgs");

    // Run the command
    db.requestStart();
    WriteResult writeresult;
    try {
        writeresult = collection.remove((DBObject) args.get(0), WriteConcern.JOURNAL_SAFE);
    } finally {
        db.requestDone();
    }

    // Get the result
    Map mwriteresult = (Map) JSON.parse(writeresult.toString());
    mwriteresult.put("exeDate", new Date());

    EventWorkBenchManager.getInst().onEvent(Event.WRITERESULT, mwriteresult);

    setMessage("Removed");
}

From source file:org.aw20.mongoworkbench.command.SaveMongoCommand.java

License:Open Source License

@Override
public void execute() throws Exception {
    MongoClient mdb = MongoFactory.getInst().getMongo(sName);

    if (mdb == null)
        throw new Exception("no server selected");

    if (sDb == null)
        throw new Exception("no database selected");

    MongoFactory.getInst().setActiveDB(sDb);

    DB db = mdb.getDB(sDb);//from  www  .  j av  a  2s  .co  m
    BasicDBObject cmdMap = parseMongoCommandString(db, cmd);

    if (!cmdMap.containsField("saveArg"))
        throw new Exception("no save document");

    DBObject document = fixNumbers((BasicDBObject) cmdMap.get("saveArg"));
    DBCollection collection = db.getCollection(sColl);

    // Run the command
    db.requestStart();
    WriteResult writeresult;
    try {
        writeresult = collection.save(document, WriteConcern.JOURNAL_SAFE);
        id = document.get("_id");
    } finally {
        db.requestDone();
    }

    // Get the result
    Map mwriteresult = (Map) JSON.parse(writeresult.toString());
    mwriteresult.put("exeDate", new Date());

    EventWorkBenchManager.getInst().onEvent(Event.WRITERESULT, mwriteresult);

    setMessage("Saved: updatedExisting=" + mwriteresult.get("updatedExisting") + "; documentsUpdated="
            + mwriteresult.get("n"));
}

From source file:org.aw20.mongoworkbench.command.UpdateMongoCommand.java

License:Open Source License

@Override
public void execute() throws Exception {
    MongoClient mdb = MongoFactory.getInst().getMongo(sName);

    if (mdb == null)
        throw new Exception("no server selected");

    if (sDb == null)
        throw new Exception("no database selected");

    MongoFactory.getInst().setActiveDB(sDb);

    DB db = mdb.getDB(sDb);//from   w  w w  . j  ava2 s .co m
    BasicDBObject cmdMap = parseMongoCommandString(db, cmd);

    if (!cmdMap.containsField("updateArg"))
        throw new Exception("no update document");

    List argList = (List) cmdMap.get("updateArg");
    if (argList.size() == 1)
        throw new Exception("not enough parameters; db.collection.update(query, update, <upsert>, <multi>)");

    DBCollection collection = db.getCollection(sColl);

    db.requestStart();
    WriteResult writeresult = null;
    try {

        if (argList.size() == 2) {

            writeresult = collection.update((DBObject) argList.get(0),
                    fixNumbers((BasicDBObject) argList.get(1)));

        } else if (argList.size() == 3) {

            boolean upsert = StringUtil.toBoolean(argList.get(2), false);
            writeresult = collection.update((DBObject) argList.get(0),
                    fixNumbers((BasicDBObject) argList.get(1)), upsert, false);

        } else if (argList.size() == 4) {

            boolean upsert = StringUtil.toBoolean(argList.get(2), false);
            boolean multi = StringUtil.toBoolean(argList.get(3), false);
            writeresult = collection.update((DBObject) argList.get(0),
                    fixNumbers((BasicDBObject) argList.get(1)), upsert, multi);

        } else
            throw new Exception("too many parameters; db.collection.update(query, update, <upsert>, <multi>)");

    } finally {
        db.requestDone();
    }

    // Get the result
    Map mwriteresult = (Map) JSON.parse(writeresult.toString());
    mwriteresult.put("exeDate", new Date());

    EventWorkBenchManager.getInst().onEvent(Event.WRITERESULT, mwriteresult);

    setMessage("Updated: updatedExisting=" + mwriteresult.get("updatedExisting") + "; documentsUpdated="
            + mwriteresult.get("n"));
}

From source file:org.axonframework.mongo.serialization.StringToDBObjectContentTypeConverter.java

License:Apache License

@Override
public DBObject convert(String original) {
    return (DBObject) JSON.parse(original);
}