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

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

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Introduction

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

Prototype

public void beginObject() throws IOException

Source Link

Document

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

Usage

From source file:ninja.leaping.configurate.gson.GsonConfigurationLoader.java

License:Apache License

private void parseObject(JsonReader parser, ConfigurationNode node) throws IOException {
    parser.beginObject();
    JsonToken token;// w  w  w  . j a  va 2 s.com
    while ((token = parser.peek()) != null) {
        switch (token) {
        case END_OBJECT:
        case END_DOCUMENT:
            parser.endObject();
            return;
        case NAME:
            parseValue(parser, node.getNode(parser.nextName()));
            break;
        default:
            throw new JsonParseException("Received improper object value " + token);
        }
    }
    throw new JsonParseException("Reached end of stream with unclosed object!");
}

From source file:org.apache.airavata.workflow.core.parser.JsonWorkflowParser.java

License:Apache License

private void readWorkflowInfo(JsonReader jsonReader) throws IOException, ParserException {
    jsonReader.beginObject();
    String name;//from  w  w w .  j av  a  2s  . c o m
    while (jsonReader.hasNext()) {
        name = jsonReader.nextName();
        if (name.equals(NAME)) {
            workflowInfo.setName(jsonReader.nextString());
        } else if (name.equals(ID)) {
            workflowInfo.setId(jsonReader.nextString());
        } else if (name.equals(DESCRIPTION)) {
            workflowInfo.setDescription(jsonReader.nextString());
        } else if (name.equals(VERSION)) {
            workflowInfo.setVersion(jsonReader.nextString());
        } else if (name.equals(APPLICATIONS)) {
            readApplications(jsonReader);
        } else if (name.equals(WORKFLOW_INPUTS)) {
            readWorkflowInputs(jsonReader);
        } else if (name.equals(WORKFLOW_OUTPUTS)) {
            readWorkflowOutputs(jsonReader);
        } else if (name.equals(LINKS)) {
            readWorkflowLinks(jsonReader);
        } else {
            jsonReader.skipValue();
        }
    }
    jsonReader.endObject();
    //TODO: set count properties of workflow info object
}

From source file:org.apache.airavata.workflow.core.parser.JsonWorkflowParser.java

License:Apache License

private void readWorkflowInputs(JsonReader jsonReader) throws ParserException, IOException {
    JsonToken peek = jsonReader.peek();/*w w w .ja  va  2 s. c o  m*/
    InputNode inputNode;
    NodeModel nodeModel;
    ComponentStatus status;
    String name;
    if (peek == JsonToken.NULL) {
        throw new ParserException("Error! workflow inputs can't be null");
    } else if (peek == JsonToken.BEGIN_ARRAY) {
        jsonReader.beginArray();
        while (jsonReader.hasNext()) {
            jsonReader.beginObject();
            nodeModel = new NodeModel();
            status = new ComponentStatus();
            status.setState(ComponentState.CREATED);
            status.setReason("Created");
            nodeModel.setStatus(status);
            inputNode = new InputNodeImpl(nodeModel);
            while (jsonReader.hasNext()) {
                name = jsonReader.nextName();
                if (name.equals(NAME)) {
                    nodeModel.setName(jsonReader.nextString());
                } else if (name.equals(ID)) {
                    nodeModel.setNodeId(jsonReader.nextString());
                } else if (name.equals(DATATYPE)) {
                    inputNode.setDataType(DataType.valueOf(jsonReader.nextString()));
                } else if (name.equals(DESCRIPTION)) {
                    nodeModel.setDescription(jsonReader.nextString());
                } else if (name.equals(POSITION)) {
                    readPosition(jsonReader);
                } else if (name.equals(NODE_ID)) {
                    jsonReader.skipValue();
                    //                        nodeModel.setNodeId(jsonReader.nextString());
                } else if (name.equals(DEFAULT_VALUE)) {
                    inputNode.setValue(jsonReader.nextString());
                } else {
                    jsonReader.skipValue();
                }
            }
            jsonReader.endObject();
            inputs.add(inputNode);
        }
        jsonReader.endArray();
    } else {
        throw new ParserException("Error! Unsupported value for Workflow Inputs, exptected "
                + getTokenString(JsonToken.BEGIN_OBJECT) + " but found" + getTokenString(peek));
    }
}

From source file:org.apache.airavata.workflow.core.parser.JsonWorkflowParser.java

License:Apache License

private void readWorkflowOutputs(JsonReader jsonReader) throws IOException, ParserException {
    JsonToken peek = jsonReader.peek();/*from  w w w.j a  va2  s  .  c o  m*/
    OutputNode outputNode;
    NodeModel nodeModel;
    ComponentStatus status;
    String name;
    if (peek == JsonToken.NULL) {
        throw new ParserException("Error! workflow outputs can't be null");
    } else if (peek == JsonToken.BEGIN_ARRAY) {
        jsonReader.beginArray();
        while (jsonReader.hasNext()) {
            jsonReader.beginObject();
            nodeModel = new NodeModel();
            status = new ComponentStatus();
            status.setState(ComponentState.CREATED);
            status.setReason("Created");
            nodeModel.setStatus(status);
            outputNode = new OutputNodeImpl(nodeModel);
            while (jsonReader.hasNext()) {
                name = jsonReader.nextName();
                if (name.equals(NAME)) {
                    nodeModel.setName(jsonReader.nextString());
                } else if (name.equals(ID)) {
                    nodeModel.setNodeId(jsonReader.nextString());
                } else if (name.equals(DATATYPE)) {
                    jsonReader.skipValue();
                } else if (name.equals(DESCRIPTION)) {
                    nodeModel.setDescription(jsonReader.nextString());
                } else if (name.equals(POSITION)) {
                    readPosition(jsonReader);
                } else if (name.equals(NODE_ID)) {
                    jsonReader.skipValue();
                    //                        nodeModel.setNodeId(jsonReader.nextString());
                } else if (name.equals(DEFAULT_VALUE)) {
                    jsonReader.skipValue();
                } else {
                    jsonReader.skipValue();
                }

            }
            jsonReader.endObject();
            outputs.add(outputNode);
        }
        jsonReader.endArray();
    } else {
        throw new ParserException("Error! Unsupported value for Workflow Outputs, exptected "
                + getTokenString(JsonToken.BEGIN_OBJECT) + " but found" + getTokenString(peek));
    }
}

From source file:org.apache.airavata.workflow.core.parser.JsonWorkflowParser.java

License:Apache License

private Link readLink(JsonReader jsonReader) throws IOException {
    jsonReader.beginObject();
    String name = null;/*from  w  ww.ja v  a  2 s .  c  om*/
    Link link = new Link();
    while (jsonReader.hasNext()) {
        name = jsonReader.nextName();
        if (name.equals(DESCRIPTION)) {
            link.setDescription(jsonReader.nextString());
        } else if (name.equals(FROM)) {
            link.setFrom(readLinkHelper(jsonReader));
        } else if (name.equals(TO)) {
            link.setTo(readLinkHelper(jsonReader));
        } else if (name.equals(ID)) {
            link.setId(jsonReader.nextString());
        } else {
            jsonReader.skipValue();
        }
    }
    jsonReader.endObject();
    return link;
}

From source file:org.apache.airavata.workflow.core.parser.JsonWorkflowParser.java

License:Apache License

private LinkHelper readLinkHelper(JsonReader jsonReader) throws IOException {
    jsonReader.beginObject();
    String name;/*from   w  w  w .ja v  a2  s  .c o  m*/
    LinkHelper helper = new LinkHelper();
    while (jsonReader.hasNext()) {
        name = jsonReader.nextName();
        if (name.equals(NODE_ID)) {
            helper.setNodeId(jsonReader.nextString());
        } else if (name.equals(OUTPUT_ID) || name.equals(INPUT_ID)) {
            helper.setPortId(jsonReader.nextString());
        } else {
            jsonReader.skipValue();
        }
    }
    jsonReader.endObject();
    return helper;
}

From source file:org.apache.airavata.workflow.core.parser.JsonWorkflowParser.java

License:Apache License

private ApplicationNode readApplication(JsonReader jsonReader) throws IOException, ParserException {
    jsonReader.beginObject();
    NodeModel nodeModel = new NodeModel();
    ComponentStatus status = new ComponentStatus();
    status.setState(ComponentState.CREATED);
    status.setReason("Created");
    nodeModel.setStatus(status);//from w w w  .j a  va 2 s  .co  m
    ApplicationNode applicationNode = new ApplicationNodeImpl(nodeModel);
    String name;
    while (jsonReader.hasNext()) {
        name = jsonReader.nextName();
        if (name.equals(APPLICATION_ID)) {
            nodeModel.setApplicationId(jsonReader.nextString());
        } else if (name.equals(NAME)) {
            nodeModel.setName(jsonReader.nextString());
        } else if (name.equals(DESCRIPTION)) {
            nodeModel.setDescription(jsonReader.nextString());
        } else if (name.equals(APPTYPE)) {
            jsonReader.skipValue();
        } else if (name.equals(INPUTS)) {
            applicationNode.addInputPorts(readApplicationInputs(jsonReader));
        } else if (name.equals(OUTPUTS)) {
            applicationNode.addOutPorts(readApplicationOutputs(jsonReader));
        } else if (name.equals(POSITION)) {
            readPosition(jsonReader);
        } else if (name.equals(NODE_ID)) {
            nodeModel.setNodeId(jsonReader.nextString());
        } else if (name.equals(PARALLEL_EXECUTION)) {
            jsonReader.skipValue();
        } else if (name.equals(PROPERTIES)) {
            readProperties(jsonReader);
        }
    }
    jsonReader.endObject();
    return applicationNode;
}

From source file:org.apache.airavata.workflow.core.parser.JsonWorkflowParser.java

License:Apache License

private List<InPort> readApplicationInputs(JsonReader jsonReader) throws IOException, ParserException {
    List<InPort> inPorts = new ArrayList<>();
    JsonToken peek = jsonReader.peek();/*from  www.  jav  a 2  s. com*/
    PortModel portModel;
    InPort inPort;
    String name;
    if (peek == JsonToken.NULL) {
        jsonReader.nextNull();
    } else if (peek == JsonToken.BEGIN_ARRAY) {
        jsonReader.beginArray();
        while (jsonReader.hasNext()) {
            portModel = new PortModel();
            inPort = new InputPortIml(portModel);
            jsonReader.beginObject();
            while (jsonReader.hasNext()) {
                name = jsonReader.nextName();
                if (name.equals(NAME)) {
                    portModel.setName(jsonReader.nextString());
                } else if (name.equals(ID)) {
                    portModel.setPortId(jsonReader.nextString());
                } else if (name.equals(DATATYPE)) {
                    jsonReader.skipValue();
                } else if (name.equals(DEFAULT_VALUE)) {
                    inPort.setDefaultValue(jsonReader.nextString());
                } else if (name.equals(DESCRIPTION)) {
                    portModel.setDescription(jsonReader.nextString());
                } else {
                    jsonReader.skipValue();
                }
            }
            jsonReader.endObject();
            inPorts.add(inPort);
        }
        jsonReader.endArray();
    } else {
        throw new ParserException(
                "Error! reading application inputs, expected " + getTokenString(JsonToken.NULL) + " or "
                        + getTokenString(JsonToken.BEGIN_ARRAY) + " but found " + getTokenString(peek));
    }

    return inPorts;
}

From source file:org.apache.airavata.workflow.core.parser.JsonWorkflowParser.java

License:Apache License

private List<OutPort> readApplicationOutputs(JsonReader jsonReader) throws IOException, ParserException {
    List<OutPort> outPorts = new ArrayList<>();
    PortModel portModel;//  ww  w  .j a  v  a  2 s. co m
    OutPort outPort;
    String name;
    JsonToken peek = jsonReader.peek();
    if (peek == JsonToken.NULL) {
        jsonReader.nextNull();
    } else if (peek == JsonToken.BEGIN_ARRAY) {
        jsonReader.beginArray();
        while (jsonReader.hasNext()) {
            portModel = new PortModel();
            outPort = new OutPortImpl(portModel);
            jsonReader.beginObject();
            while (jsonReader.hasNext()) {
                name = jsonReader.nextName();
                if (name.equals(NAME)) {
                    portModel.setName(jsonReader.nextString());
                } else if (name.equals(ID)) {
                    portModel.setPortId(jsonReader.nextString());
                } else if (name.equals(DATATYPE)) {
                    jsonReader.skipValue();
                } else if (name.equals(DEFAULT_VALUE)) {
                    jsonReader.skipValue(); // can output has default values?
                } else if (name.equals(DESCRIPTION)) {
                    portModel.setDescription(jsonReader.nextString());
                } else {
                    jsonReader.skipValue();
                }
            }
            jsonReader.endObject();
            outPorts.add(outPort);
        }
        jsonReader.endArray();
    } else {
        throw new ParserException(
                "Error! reading application outputs, expected " + getTokenString(JsonToken.NULL) + " or "
                        + getTokenString(JsonToken.BEGIN_ARRAY) + " but found " + getTokenString(peek));

    }
    return outPorts;
}

From source file:org.apache.airavata.workflow.core.parser.JsonWorkflowParser.java

License:Apache License

private void readPosition(JsonReader jsonReader) throws IOException {
    JsonToken peek = jsonReader.peek();//from  w w w. jav  a 2s. c  om
    if (peek == JsonToken.NULL) {
        jsonReader.nextNull();
    } else if (peek == JsonToken.BEGIN_OBJECT) {
        jsonReader.beginObject();
        while (jsonReader.hasNext()) {
            // skip position data.
            jsonReader.nextName();
            jsonReader.skipValue();
        }
        jsonReader.endObject();
    } else {
        jsonReader.skipValue();
    }
}