Example usage for com.google.gson.stream JsonReader nextName

List of usage examples for com.google.gson.stream JsonReader nextName

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Introduction

In this page you can find the example usage for com.google.gson.stream JsonReader nextName.

Prototype

public String nextName() throws IOException

Source Link

Document

Returns the next token, a com.google.gson.stream.JsonToken#NAME property name , and consumes it.

Usage

From source file:com.nridge.core.io.gson.DocumentReplyJSON.java

License:Open Source License

/**
 * Parses an JSON stream and loads it into an internally managed
 * document instance./*w ww  . j av a  2s.  c o  m*/
 *
 * @param aReader Json reader stream instance.
 *
 * @throws java.io.IOException I/O related exception.
 */
public void load(JsonReader aReader) throws IOException {
    String jsonName;

    mDocumentList.clear();
    mField.clearFeatures();

    aReader.beginObject();
    while (aReader.hasNext()) {
        jsonName = aReader.nextName();
        if (StringUtils.equals(jsonName, IO.JSON_FIELD_OBJECT_NAME)) {
            DataFieldJSON dataFieldJSON = new DataFieldJSON();
            mField = dataFieldJSON.load(aReader);
        } else if (StringUtils.equals(jsonName, IO.JSON_DOCUMENTS_ARRAY_NAME)) {
            DocumentJSON documentJSON;

            aReader.beginArray();
            while (aReader.hasNext()) {
                documentJSON = new DocumentJSON();
                documentJSON.load(aReader);
                mDocumentList.add(documentJSON.getDocument());
            }
            aReader.endArray();
        } else
            aReader.skipValue();
    }

    aReader.endObject();
}

From source file:com.nridge.core.io.gson.DSCriteriaJSON.java

License:Open Source License

/**
 * Parses an JSON stream and loads it into a bag/table.
 *
 * @param aReader Json reader stream instance.
 *
 * @throws java.io.IOException I/O related exception.
 *//*from  ww  w.  j av  a2s  .c  om*/
public void load(JsonReader aReader) throws IOException {
    DataField dataField;
    String jsonName, jsonValue, logicalOperator;

    mDSCriteria.reset();

    aReader.beginObject();
    while (aReader.hasNext()) {
        jsonName = aReader.nextName();
        if (StringUtils.equals(jsonName, IO.JSON_NAME_MEMBER_NAME))
            mDSCriteria.setName(aReader.nextString());
        else if (StringUtils.equals(jsonName, IO.JSON_FEATURES_ARRAY_NAME)) {
            aReader.beginObject();
            while (aReader.hasNext()) {
                jsonName = aReader.nextName();
                jsonValue = aReader.nextString();
                mDSCriteria.addFeature(jsonName, jsonValue);
            }
            aReader.endObject();
        } else if (StringUtils.equals(jsonName, IO.JSON_FIELDS_ARRAY_NAME)) {
            aReader.beginArray();
            while (aReader.hasNext()) {
                dataField = mDataFieldJSON.load(aReader);
                if (dataField != null) {
                    logicalOperator = dataField.getFeature(IO.JSON_OPERATOR_MEMBER_NAME);
                    if (StringUtils.isEmpty(logicalOperator))
                        logicalOperator = Field.operatorToString(Field.Operator.EQUAL);
                    mDSCriteria.add(dataField, Field.stringToOperator(logicalOperator));
                }
            }
            aReader.endArray();
        } else
            aReader.skipValue();
    }
    aReader.endObject();
}

From source file:com.nridge.core.io.gson.JSONDocument.java

License:Open Source License

/**
 * Parses an JSON stream and loads it into an internally managed
 * document instance.// w ww  .j a  va2s. c om
 *
 * @param aReader Json reader stream instance.
 *
 * @throws IOException I/O related exception.
 */
private void loadDocument(JsonReader aReader, Document aDocument) throws IOException {
    DataBag dataBag;
    JsonToken jsonToken;
    DataField dataField;
    String jsonName, jsonValue, jsonTitle;

    aReader.beginObject();

    jsonToken = aReader.peek();
    while (jsonToken == JsonToken.NAME) {
        jsonName = aReader.nextName();
        jsonTitle = Field.nameToTitle(jsonName);

        jsonToken = aReader.peek();
        switch (jsonToken) {
        case BOOLEAN:
            dataBag = aDocument.getBag();
            dataField = new DataField(jsonName, jsonTitle, aReader.nextBoolean());
            dataBag.add(dataField);
            break;
        case NUMBER:
            dataBag = aDocument.getBag();
            jsonValue = aReader.nextString();
            if (StringUtils.contains(jsonValue, StrUtl.CHAR_DOT))
                dataField = new DataField(jsonName, jsonTitle, Double.valueOf(jsonValue));
            else
                dataField = new DataField(jsonName, jsonTitle, Long.valueOf(jsonValue));
            dataBag.add(dataField);
            break;
        case STRING:
            dataBag = aDocument.getBag();
            jsonValue = aReader.nextString();
            Date dateValue = DatUtl.detectCreateDate(jsonValue);
            if (dateValue != null)
                dataField = new DataField(jsonName, jsonTitle, dateValue);
            else
                dataField = new DataField(Field.Type.Text, jsonName, jsonTitle, jsonValue);
            dataBag.add(dataField);
            break;
        case NULL:
            dataBag = aDocument.getBag();
            aReader.nextNull();
            dataField = new DataField(Field.Type.Text, jsonName, jsonTitle);
            dataBag.add(dataField);
            break;
        case BEGIN_ARRAY:
            aReader.beginArray();
            if (isNextTokenAnObject(aReader)) {
                Document childDocument = new Document(jsonTitle);
                childDocument.setName(jsonName);
                aDocument.addRelationship(jsonTitle, childDocument);
                loadDocumentArray(aReader, childDocument);
            } else {
                dataBag = aDocument.getBag();
                dataField = new DataField(Field.Type.Text, jsonName, jsonTitle);
                jsonToken = aReader.peek();
                while (jsonToken != JsonToken.END_ARRAY) {
                    jsonValue = aReader.nextString();
                    dataField.addValue(jsonValue);
                    jsonToken = aReader.peek();
                }
                dataBag.add(dataField);
            }
            aReader.endArray();
            break;
        case BEGIN_OBJECT:
            Document childDocument = new Document(jsonTitle);
            childDocument.setName(jsonName);
            aDocument.addRelationship(jsonTitle, childDocument);
            loadDocument(aReader, childDocument);
            break;
        default:
            aReader.skipValue();
            break;
        }
        jsonToken = aReader.peek();
    }

    aReader.endObject();
}

From source file:com.nridge.core.io.gson.RangeJSON.java

License:Open Source License

/**
 * Parses an JSON stream and loads it into a field range.
 *
 * @param aReader Json reader stream instance.
 *
 * @throws java.io.IOException I/O related exception.
 *//*from w  w w .  j  av  a  2  s .com*/
public FieldRange load(JsonReader aReader) throws IOException {
    String jsonName;

    boolean isFirst = true;
    Date firstDate = new Date();
    long firstLong = Long.MIN_VALUE;
    int firstInt = Integer.MIN_VALUE;
    double firstDouble = Double.MIN_VALUE;

    Field.Type rangeType = Field.Type.Text;
    FieldRange fieldRange = new FieldRange();

    aReader.beginObject();
    while (aReader.hasNext()) {
        jsonName = aReader.nextName();
        if (StringUtils.equals(jsonName, IO.JSON_TYPE_MEMBER_NAME))
            rangeType = Field.stringToType(aReader.nextString());
        else if (StringUtils.equals(jsonName, IO.JSON_DELIMITER_MEMBER_NAME))
            fieldRange.setDelimiterChar(aReader.nextString());
        else if (StringUtils.equals(jsonName, IO.JSON_VALUE_MEMBER_NAME))
            fieldRange.setItems(StrUtl.expandToList(aReader.nextString(), fieldRange.getDelimiterChar()));
        else if (StringUtils.equals(jsonName, "min")) {
            switch (rangeType) {
            case Long:
                if (isFirst) {
                    isFirst = false;
                    firstLong = aReader.nextLong();
                } else
                    fieldRange = new FieldRange(aReader.nextLong(), firstLong);
                break;
            case Integer:
                if (isFirst) {
                    isFirst = false;
                    firstInt = aReader.nextInt();
                } else
                    fieldRange = new FieldRange(aReader.nextInt(), firstInt);
                break;
            case Double:
                if (isFirst) {
                    isFirst = false;
                    firstDouble = aReader.nextDouble();
                } else
                    fieldRange = new FieldRange(aReader.nextDouble(), firstDouble);
                break;
            case DateTime:
                if (isFirst) {
                    isFirst = false;
                    firstDate = Field.createDate(aReader.nextString());
                } else
                    fieldRange = new FieldRange(Field.createDate(aReader.nextString()), firstDate);
                break;
            default:
                aReader.skipValue();
                break;
            }
        } else if (StringUtils.equals(jsonName, "max")) {
            switch (rangeType) {
            case Long:
                if (isFirst) {
                    isFirst = false;
                    firstLong = aReader.nextLong();
                } else
                    fieldRange = new FieldRange(firstLong, aReader.nextLong());
                break;
            case Integer:
                if (isFirst) {
                    isFirst = false;
                    firstInt = aReader.nextInt();
                } else
                    fieldRange = new FieldRange(firstInt, aReader.nextInt());
                break;
            case Double:
                if (isFirst) {
                    isFirst = false;
                    firstDouble = aReader.nextDouble();
                } else
                    fieldRange = new FieldRange(firstDouble, aReader.nextDouble());
                break;
            case DateTime:
                if (isFirst) {
                    isFirst = false;
                    firstDate = Field.createDate(aReader.nextString());
                } else
                    fieldRange = new FieldRange(firstDate, Field.createDate(aReader.nextString()));
                break;
            default:
                aReader.skipValue();
                break;
            }
        } else
            aReader.skipValue();
    }

    aReader.endObject();

    return fieldRange;
}

From source file:com.nridge.core.io.gson.RelationshipJSON.java

License:Open Source License

/**
 * Parses an JSON stream and loads it into a relationship and returns
 * an instance to it.//from  www .j  av a 2 s.  c  o  m
 *
 * @param aReader Json reader stream instance.
 *
 * @throws java.io.IOException I/O related exception.
 */
public Relationship loadRelationship(JsonReader aReader) throws IOException {
    String jsonName, jsonValue;

    Relationship relationship = new Relationship();

    aReader.beginObject();
    while (aReader.hasNext()) {
        jsonName = aReader.nextName();
        if (StringUtils.equals(jsonName, IO.JSON_TYPE_MEMBER_NAME))
            relationship.setType(aReader.nextString());
        else if (StringUtils.equals(jsonName, IO.JSON_FEATURES_ARRAY_NAME)) {
            aReader.beginObject();
            while (aReader.hasNext()) {
                jsonName = aReader.nextName();
                jsonValue = aReader.nextString();
                relationship.addFeature(jsonName, jsonValue);
            }
            aReader.endObject();
        } else if (StringUtils.equals(jsonName, IO.JSON_DOCUMENTS_ARRAY_NAME))
            loadDocuments(aReader, relationship);
        else
            aReader.skipValue();
    }
    aReader.endObject();

    return relationship;
}

From source file:com.nridge.ds.solr.SolrCollection.java

License:Open Source License

private ArrayList<String> load(InputStream anIS) throws IOException {
    String jsonName, jsonValue;//from   www  .  j av  a  2  s  .c o m

    ArrayList<String> configSetList = new ArrayList<>();
    String configSetString = IOUtils.toString(anIS, StrUtl.CHARSET_UTF_8);
    StringReader stringReader = new StringReader(configSetString);
    JsonReader jsonReader = new JsonReader(stringReader);
    jsonReader.beginObject();
    while (jsonReader.hasNext()) {
        jsonName = jsonReader.nextName();
        if (StringUtils.equals(jsonName, "collections")) {
            jsonReader.beginArray();
            while (jsonReader.hasNext()) {
                jsonValue = jsonReader.nextString();
                configSetList.add(jsonValue);
            }
            jsonReader.endArray();
        }
    }
    jsonReader.endObject();

    return configSetList;
}

From source file:com.nridge.ds.solr.SolrCollection.java

License:Open Source License

private void parseReply(String aMessage) throws DSException, IOException {
    String jsonName;//  ww w .j  a va 2  s . c  o  m

    Logger appLogger = mAppMgr.getLogger(this, "parseReply");

    appLogger.trace(mAppMgr.LOGMSG_TRACE_ENTER);

    int msgCode = 0;
    String msgString = StringUtils.EMPTY;
    StringReader stringReader = new StringReader(aMessage);
    JsonReader jsonReader = new JsonReader(stringReader);
    jsonReader.beginObject();
    while (jsonReader.hasNext()) {
        jsonName = jsonReader.nextName();
        if (StringUtils.equals(jsonName, "exception")) {
            jsonReader.beginObject();
            while (jsonReader.hasNext()) {
                jsonName = jsonReader.nextName();
                if (StringUtils.equals(jsonName, "msg"))
                    msgString = jsonReader.nextString();
                else if (StringUtils.equals(jsonName, "rspCode"))
                    msgCode = jsonReader.nextInt();
                else
                    jsonReader.skipValue();
            }
            jsonReader.endObject();
        } else
            jsonReader.skipValue();
    }
    jsonReader.endObject();

    if (StringUtils.isNotEmpty(msgString))
        throw new DSException(String.format("Solr Exception [%d]: %s", msgCode, msgString));

    appLogger.trace(mAppMgr.LOGMSG_TRACE_DEPART);
}

From source file:com.nridge.ds.solr.SolrConfigJSON.java

License:Open Source License

private void populateCfgUpdateHandler(JsonReader aReader, Document aCfgDocument, String aDocType)
        throws IOException {
    DataBag dataBag;/*w  ww .jav a 2 s.c  om*/
    String jsonName, jsonValue;
    Document iwDocument, cwDocument, acDocument, ascDocument;

    Document uhDocument = new Document(aDocType);
    DataBag uhBag = uhDocument.getBag();
    aReader.beginObject();
    while (aReader.hasNext()) {
        jsonName = aReader.nextName();
        if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_UH_IW)) {
            iwDocument = new Document(Solr.RESPONSE_CONFIG_UH_INDEX_WRITER);
            iwDocument.setName(jsonName);
            dataBag = iwDocument.getBag();
            aReader.beginObject();
            while (aReader.hasNext()) {
                jsonName = aReader.nextName();
                jsonValue = nextValueAsString(aReader);
                addBagTextField(dataBag, jsonName, jsonValue);
            }
            aReader.endObject();
            uhDocument.addRelationship(Solr.RESPONSE_CONFIG_UH_INDEX_WRITER, iwDocument);
        } else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_UH_CW)) {
            cwDocument = new Document(Solr.RESPONSE_CONFIG_UH_COMMIT_WITHIN);
            cwDocument.setName(jsonName);
            dataBag = cwDocument.getBag();
            aReader.beginObject();
            while (aReader.hasNext()) {
                jsonName = aReader.nextName();
                jsonValue = nextValueAsString(aReader);
                addBagTextField(dataBag, jsonName, jsonValue);
            }
            aReader.endObject();
            uhDocument.addRelationship(Solr.RESPONSE_CONFIG_UH_COMMIT_WITHIN, cwDocument);
        } else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_UH_AC)) {
            acDocument = new Document(Solr.RESPONSE_CONFIG_UH_AUTO_COMMIT);
            acDocument.setName(jsonName);
            dataBag = acDocument.getBag();
            aReader.beginObject();
            while (aReader.hasNext()) {
                jsonName = aReader.nextName();
                jsonValue = nextValueAsString(aReader);
                addBagTextField(dataBag, jsonName, jsonValue);
            }
            aReader.endObject();
            uhDocument.addRelationship(Solr.RESPONSE_CONFIG_UH_AUTO_COMMIT, acDocument);
        } else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_UH_ASC)) {
            ascDocument = new Document(Solr.RESPONSE_CONFIG_UH_AUTO_SOFT_COMMIT);
            ascDocument.setName(jsonName);
            dataBag = ascDocument.getBag();
            aReader.beginObject();
            while (aReader.hasNext()) {
                jsonName = aReader.nextName();
                jsonValue = nextValueAsString(aReader);
                addBagTextField(dataBag, jsonName, jsonValue);
            }
            aReader.endObject();
            uhDocument.addRelationship(Solr.RESPONSE_CONFIG_UH_AUTO_SOFT_COMMIT, ascDocument);
        } else {
            jsonValue = nextValueAsString(aReader);
            addBagTextField(uhBag, jsonName, jsonValue);
        }
    }
    aReader.endObject();
    aCfgDocument.addRelationship(Solr.RESPONSE_CONFIG_UPDATE_HANDLER, uhDocument);
}

From source file:com.nridge.ds.solr.SolrConfigJSON.java

License:Open Source License

private void populateCfgQuery(JsonReader aReader, Document aCfgDocument, String aDocType) throws IOException {
    DataBag dataBag;/*from  ww w  . j  a v a2 s.  c  o m*/
    String jsonName, jsonValue;
    Document fcDocument, rcDocument, dcDocument, fvcDocument;

    Document queryDocument = new Document(aDocType);
    DataBag queryBag = queryDocument.getBag();
    aReader.beginObject();
    while (aReader.hasNext()) {
        jsonName = aReader.nextName();
        if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_QUERY_FC)) {
            fcDocument = new Document(Solr.RESPONSE_CONFIG_QUERY_FC);
            fcDocument.setName(jsonName);
            dataBag = fcDocument.getBag();
            aReader.beginObject();
            while (aReader.hasNext()) {
                jsonName = aReader.nextName();
                jsonValue = nextValueAsString(aReader);
                addBagTextField(dataBag, jsonName, jsonValue);
            }
            aReader.endObject();
            queryDocument.addRelationship(Solr.RESPONSE_CONFIG_QUERY_FC, fcDocument);
        } else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_QUERY_RC)) {
            rcDocument = new Document(Solr.RESPONSE_CONFIG_QUERY_RC);
            rcDocument.setName(jsonName);
            dataBag = rcDocument.getBag();
            aReader.beginObject();
            while (aReader.hasNext()) {
                jsonName = aReader.nextName();
                jsonValue = nextValueAsString(aReader);
                addBagTextField(dataBag, jsonName, jsonValue);
            }
            aReader.endObject();
            queryDocument.addRelationship(Solr.RESPONSE_CONFIG_QUERY_RC, rcDocument);
        } else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_QUERY_DC)) {
            dcDocument = new Document(Solr.RESPONSE_CONFIG_QUERY_DC);
            dcDocument.setName(jsonName);
            dataBag = dcDocument.getBag();
            aReader.beginObject();
            while (aReader.hasNext()) {
                jsonName = aReader.nextName();
                jsonValue = nextValueAsString(aReader);
                addBagTextField(dataBag, jsonName, jsonValue);
            }
            aReader.endObject();
            queryDocument.addRelationship(Solr.RESPONSE_CONFIG_QUERY_DC, dcDocument);
        } else if ((StringUtils.isEmpty(jsonName)) || // This handles a Solr 7.5 JSON output bug (empty string)
                (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_QUERY_FVC))) {
            fvcDocument = new Document(Solr.RESPONSE_CONFIG_QUERY_FVC);
            fvcDocument.setName(jsonName);
            dataBag = fvcDocument.getBag();
            aReader.beginObject();
            while (aReader.hasNext()) {
                jsonName = aReader.nextName();
                jsonValue = nextValueAsString(aReader);
                addBagTextField(dataBag, jsonName, jsonValue);
            }
            aReader.endObject();
            queryDocument.addRelationship(Solr.RESPONSE_CONFIG_QUERY_FVC, fvcDocument);
        } else {
            jsonValue = nextValueAsString(aReader);
            addBagTextField(queryBag, jsonName, jsonValue);
        }
    }
    aReader.endObject();
    aCfgDocument.addRelationship(Solr.RESPONSE_CONFIG_QUERY, queryDocument);
}

From source file:com.nridge.ds.solr.SolrConfigJSON.java

License:Open Source License

private void addFieldToDocument(JsonReader aReader, Document aDocument, String aName) throws IOException {
    DataBag childBag;/*from ww  w . j  a  v a2s  .c o m*/
    JsonToken jsonToken;
    boolean isArrayArray;
    Document childDocument;
    String jsonName, jsonValue;
    DataTextField dataTextField;

    DataBag dataBag = aDocument.getBag();
    if (isNextTokenAnArray(aReader)) {
        aReader.beginArray();
        dataTextField = new DataTextField(aName, Field.nameToTitle(aName));
        dataTextField.addFeature(Field.FEATURE_IS_STORED, StrUtl.STRING_TRUE);
        jsonToken = aReader.peek();
        if (jsonToken == JsonToken.BEGIN_ARRAY) {
            isArrayArray = true;
            aReader.beginArray();
            jsonToken = aReader.peek();
        } else
            isArrayArray = false;
        while (jsonToken != JsonToken.END_ARRAY) {
            jsonValue = nextValueAsString(aReader);
            dataTextField.addValue(jsonValue);
            jsonToken = aReader.peek();
        }
        aReader.endArray();
        if (isArrayArray)
            aReader.endArray();
        dataBag.add(dataTextField);
    } else if (isNextTokenAnObject(aReader)) {
        childDocument = new Document(aName);
        childDocument.setName(aName);
        childBag = childDocument.getBag();

        aReader.beginObject();
        jsonToken = aReader.peek();
        while (jsonToken != JsonToken.END_OBJECT) {
            jsonName = aReader.nextName();
            jsonValue = nextValueAsString(aReader);
            addBagTextField(childBag, jsonName, jsonValue);
            jsonToken = aReader.peek();
        }
        aReader.endObject();
        aDocument.addRelationship(aName, childDocument);
    } else {
        jsonValue = nextValueAsString(aReader);
        addBagTextField(dataBag, aName, jsonValue);
    }
}