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

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

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Introduction

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

Prototype

public void beginArray() throws IOException

Source Link

Document

Consumes the next token from the JSON stream and asserts that it is the beginning of a new array.

Usage

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

License:Open Source License

/**
 * Parses an JSON stream and loads it into an internally managed
 * document operation instance./*from  w  w  w  .  j a v  a2  s  .c  om*/
 *
 * @param aReader Json reader stream instance.
 *
 * @throws java.io.IOException I/O related exception.
 */
public void load(JsonReader aReader) throws IOException {
    String jsonName;

    mCriteria = null;
    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 if (StringUtils.equals(jsonName, IO.JSON_CRITERIA_OBJECT_NAME)) {
            DSCriteriaJSON dsCriteriaJSON = new DSCriteriaJSON();
            dsCriteriaJSON.load(aReader);
            mCriteria = dsCriteriaJSON.getCriteria();
        } else
            aReader.skipValue();
    }

    aReader.endObject();
}

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.//from   w w  w.j ava 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  w  ww. j  a  v  a  2 s  . 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.//ww w .j  a  v  a 2  s  .  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.RelationshipJSON.java

License:Open Source License

private void loadDocuments(JsonReader aReader, Relationship aRelationship) throws IOException {
    Document relationshipDocument;

    DocumentJSON documentJSON = new DocumentJSON();
    ArrayList<Document> documentList = aRelationship.getDocuments();
    aReader.beginArray();
    while (aReader.hasNext()) {
        relationshipDocument = documentJSON.loadDocument(aReader);
        documentList.add(relationshipDocument);
    }/*w ww  .  ja v  a2 s.  c o  m*/
    aReader.endArray();
}

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 w  ww .  j  a  va 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.SolrConfigJSON.java

License:Open Source License

private void addFieldToDocument(JsonReader aReader, Document aDocument, String aName) throws IOException {
    DataBag childBag;/* w w w  . j  a  v  a2 s  .com*/
    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);
    }
}

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

License:Open Source License

private void addObjectToDocument(JsonReader aReader, Document aParentDocument, String aType, String aName)
        throws IOException {
    String jsonValue;//w  w w . j a  v  a 2 s  . c om
    JsonToken jsonToken;
    boolean isArrayArray;
    Document childDocument;

    DataBag dataBag = aParentDocument.getBag();
    if (isNextTokenAnArray(aReader)) {
        aReader.beginArray();
        jsonToken = aReader.peek();
        if (jsonToken == JsonToken.BEGIN_ARRAY) {
            isArrayArray = true;
            aReader.beginArray();
            jsonToken = aReader.peek();
        } else
            isArrayArray = false;
        while (jsonToken != JsonToken.END_ARRAY) {
            childDocument = new Document(aType);
            childDocument.setName(aName);
            aReader.beginObject();
            while (aReader.hasNext())
                addFieldToDocument(aReader, childDocument);
            aReader.endObject();
            aParentDocument.addRelationship(aType, childDocument);
            jsonToken = aReader.peek();
        }
        aReader.endArray();
        if (isArrayArray)
            aReader.endArray();
    } else if (isNextTokenAnObject(aReader)) {
        childDocument = new Document(aType);
        childDocument.setName(aName);
        aReader.beginObject();
        while (aReader.hasNext())
            addFieldToDocument(aReader, childDocument);
        aReader.endObject();
        aParentDocument.addRelationship(aType, childDocument);
    } else {
        jsonValue = nextValueAsString(aReader);
        addBagTextField(dataBag, aName, jsonValue);
    }
}

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

License:Open Source License

private void populateSearchComponent(JsonReader aReader, Document aCfgDocument, String aDocType)
        throws IOException {
    DataBag scBag;// w w w  . j a  v  a 2 s. com
    Document scDocument;
    JsonToken jsonToken;
    boolean isArrayArray;
    Document childDocument;
    String jsonName, jsonValue;

    Document searchComponentDocument = new Document(aDocType);
    aReader.beginObject();
    while (aReader.hasNext()) {
        jsonName = aReader.nextName();
        scDocument = new Document(Solr.RESPONSE_CONFIG_SEARCH_COMPONENT);
        scDocument.setName(jsonName);
        scBag = scDocument.getBag();
        DataTextField operationField = new DataTextField(Solr.CONFIG_OPERATION_FIELD_NAME,
                Field.nameToTitle(Solr.CONFIG_OPERATION_FIELD_NAME));
        operationField.addFeature(Field.FEATURE_IS_STORED, StrUtl.STRING_FALSE);
        scBag.add(operationField);

        aReader.beginObject();
        while (aReader.hasNext()) {
            jsonName = aReader.nextName();
            if (isNextTokenAnArray(aReader)) {
                aReader.beginArray();
                jsonToken = aReader.peek();
                if (jsonToken == JsonToken.BEGIN_ARRAY) {
                    isArrayArray = true;
                    aReader.beginArray();
                    jsonToken = aReader.peek();
                } else
                    isArrayArray = false;
                while (jsonToken != JsonToken.END_ARRAY) {
                    childDocument = new Document(Field.nameToTitle(jsonName));
                    childDocument.setName(jsonName);
                    aReader.beginObject();
                    while (aReader.hasNext())
                        addFieldToDocument(aReader, childDocument);
                    aReader.endObject();
                    scDocument.addRelationship(Field.nameToTitle(jsonName), childDocument);
                    jsonToken = aReader.peek();
                }
                aReader.endArray();
                if (isArrayArray)
                    aReader.endArray();
            } else if (isNextTokenAnObject(aReader)) {
                childDocument = new Document(Field.nameToTitle(jsonName));
                childDocument.setName(jsonName);
                aReader.beginObject();
                while (aReader.hasNext())
                    addFieldToDocument(aReader, childDocument);
                aReader.endObject();
                scDocument.addRelationship(Field.nameToTitle(jsonName), childDocument);
            } else {
                jsonValue = nextValueAsString(aReader);
                addBagTextField(scBag, jsonName, jsonValue);
            }
        }
        aReader.endObject();
        assignSearchComponentType(scDocument);
        searchComponentDocument.addRelationship(scDocument.getType(), scDocument);
    }

    aCfgDocument.addRelationship(aDocType, searchComponentDocument);
}

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

License:Open Source License

/**
 * Parses an JSON string representing the Solr schema and loads it into a document
 * and returns an instance to it.//from   w w  w .j a  va  2  s  . c o  m
 *
 * @param aConfigString JSON string representation of the Solr schema.
 *
 * @return Document instance containing the parsed data.
 *
 * @throws IOException I/O related exception.
 */
public Document loadDocument(String aConfigString) throws IOException {
    String jsonName, jsonValue;
    Document componentDocument;

    Document configDocument = new Document(Solr.DOCUMENT_SCHEMA_TYPE);
    DataBag configBag = configDocument.getBag();

    StringReader stringReader = new StringReader(aConfigString);
    JsonReader jsonReader = new JsonReader(stringReader);

    jsonReader.beginObject();
    while (jsonReader.hasNext()) {
        jsonName = jsonReader.nextName();
        if (StringUtils.equals(jsonName, OBJECT_RESPONSE_HEADER)) {
            Document headerDocument = new Document(Solr.RESPONSE_SCHEMA_HEADER);
            DataBag headerBag = headerDocument.getBag();
            jsonReader.beginObject();
            while (jsonReader.hasNext()) {
                jsonName = jsonReader.nextName();
                jsonValue = nextValueAsString(jsonReader);
                headerBag.add(new DataTextField(jsonName, Field.nameToTitle(jsonName), jsonValue));
            }
            jsonReader.endObject();
            configDocument.addRelationship(Solr.RESPONSE_SCHEMA_HEADER, headerDocument);
        } else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG)) {
            jsonReader.beginObject();
            while (jsonReader.hasNext()) {
                jsonName = jsonReader.nextName();
                if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_UPDATE_HANDLER))
                    populateCfgUpdateHandler(jsonReader, configDocument, Solr.RESPONSE_CONFIG_UPDATE_HANDLER);
                else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_QUERY))
                    populateCfgQuery(jsonReader, configDocument, Solr.RESPONSE_CONFIG_QUERY);
                else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_REQUEST_HANDLER))
                    populateCfgRequestHandler(jsonReader, configDocument, Solr.RESPONSE_CONFIG_REQUEST_HANDLER);
                else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_RESPONSE_WRITER))
                    populateQueryResponseWriterHandler(jsonReader, configDocument,
                            Solr.RESPONSE_CONFIG_QUERY_RESPONSE_WRITER);
                else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_SEARCH_COMPONENT))
                    populateSearchComponent(jsonReader, configDocument, Solr.RESPONSE_CONFIG_SEARCH_COMPONENT);
                else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_INIT_PARAMS)) {
                    componentDocument = new Document(Solr.RESPONSE_CONFIG_INIT_PARAMS);
                    addObjectToDocument(jsonReader, componentDocument, Solr.RESPONSE_CONFIG_INIT_PARAMETERS,
                            jsonName);
                    configDocument.addRelationship(Solr.RESPONSE_CONFIG_INIT_PARAMS, componentDocument);
                } else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_LISTENER)) {
                    componentDocument = new Document(Solr.RESPONSE_CONFIG_LISTENER);
                    jsonReader.beginArray();
                    while (jsonReader.hasNext())
                        addObjectToDocument(jsonReader, componentDocument, Solr.RESPONSE_CONFIG_LISTENER_EVENTS,
                                jsonName);
                    jsonReader.endArray();
                    configDocument.addRelationship(Solr.RESPONSE_CONFIG_LISTENER, componentDocument);
                } else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_DIRECTORY_FACTORY)) {
                    componentDocument = new Document(Solr.RESPONSE_CONFIG_DIRECTORY_FACTORY);
                    addObjectToDocument(jsonReader, componentDocument, Solr.RESPONSE_CONFIG_DIRECTORY_ENTRIES,
                            jsonName);
                    configDocument.addRelationship(Solr.RESPONSE_CONFIG_DIRECTORY_FACTORY, componentDocument);
                } else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_CODEC_FACTORY)) {
                    componentDocument = new Document(Solr.RESPONSE_CONFIG_CODEC_FACTORY);
                    addObjectToDocument(jsonReader, componentDocument, Solr.RESPONSE_CONFIG_CODEC_ENTRIES,
                            jsonName);
                    configDocument.addRelationship(Solr.RESPONSE_CONFIG_CODEC_FACTORY, componentDocument);
                } else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_UPDATE_HU_LOG)) {
                    componentDocument = new Document(Solr.RESPONSE_CONFIG_UPDATE_HANDLER_ULOG);
                    addObjectToDocument(jsonReader, componentDocument, Solr.RESPONSE_CONFIG_UHUL_ENTRIES,
                            jsonName);
                    configDocument.addRelationship(Solr.RESPONSE_CONFIG_UPDATE_HANDLER_ULOG, componentDocument);
                } else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_REQUEST_DISPATCHER)) {
                    componentDocument = new Document(Solr.RESPONSE_CONFIG_REQUEST_DISPATCHER);
                    addObjectToDocument(jsonReader, componentDocument, Solr.RESPONSE_CONFIG_RD_ENTRIES,
                            jsonName);
                    configDocument.addRelationship(Solr.RESPONSE_CONFIG_REQUEST_DISPATCHER, componentDocument);
                } else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_INDEX_CONFIG)) {
                    componentDocument = new Document(Solr.RESPONSE_CONFIG_REQUEST_DISPATCHER);
                    addObjectToDocument(jsonReader, componentDocument, Solr.RESPONSE_CONFIG_INDEX_CONFIG,
                            jsonName);
                    configDocument.addRelationship(Solr.RESPONSE_CONFIG_IC_ENTRIES, componentDocument);
                } else if (StringUtils.equals(jsonName, OBJECT_RESPONSE_CONFIG_PEER_SYNC)) {
                    componentDocument = new Document(Solr.RESPONSE_CONFIG_PEER_SYNC);
                    addObjectToDocument(jsonReader, componentDocument, Solr.RESPONSE_CONFIG_PS_ENTRIES,
                            jsonName);
                    configDocument.addRelationship(Solr.RESPONSE_CONFIG_PEER_SYNC, componentDocument);
                } else {
                    jsonValue = nextValueAsString(jsonReader);
                    addBagTextField(configBag, jsonName, jsonValue);
                }
            }
            jsonReader.endObject();
        } else
            jsonReader.skipValue();
    }
    jsonReader.endObject();
    jsonReader.close();

    return configDocument;
}