Example usage for com.fasterxml.jackson.databind DeserializationContext findClass

Introduction

In this page you can find the example usage for com.fasterxml.jackson.databind DeserializationContext findClass.

Prototype

public Class<?> findClass(String paramString) 

Source Link

Usage

From source file:org.apache.ode.jacob.soup.jackson.ChannelProxyDeserializer.java

@Override
public Channel deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    String type = null;//from ww w.java 2 s .c  o  m
    int id = -1;
    while (jp.nextToken() != JsonToken.END_OBJECT) {
        String fieldname = jp.getCurrentName();
        if (jp.getCurrentToken() == JsonToken.FIELD_NAME) {
            // if we're not already on the field, advance by one.
            jp.nextToken();
        }
        if ("channelType".equals(fieldname)) {
            type = jp.getText();
        } else if ("channelId".equals(fieldname)) {
            id = jp.getIntValue();
        }
    }

    if (type == null) {
        throw ctxt.mappingException(Channel.class);
    }

    if (id < 0) {
        throw ctxt.mappingException(Channel.class);
    }

    try {
        CommChannel cchannel = new CommChannel(ctxt.findClass(type));
        cchannel.setId(id);
        return (Channel) ChannelFactory.createChannel(cchannel, cchannel.getType());

    } catch (ClassNotFoundException e) {
        throw ctxt.instantiationException(Channel.class, e);
    }
}

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