Example usage for org.springframework.integration.mapping.support JsonHeaders KEY_TYPE_ID

Introduction

In this page you can find the example usage for org.springframework.integration.mapping.support JsonHeaders KEY_TYPE_ID.

Prototype

String KEY_TYPE_ID

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Usage

From source file:org.springframework.integration.support.json.BoonJsonObjectMapper.java

@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public <T> T fromJson(Object json, Map<String, Object> javaTypes) throws Exception {
    JsonParserAndMapper parser = this.objectMapper.parser();

    Class<?> classType = this.createJavaType(javaTypes, JsonHeaders.TYPE_ID);

    Class<?> contentClassType = this.createJavaType(javaTypes, JsonHeaders.CONTENT_TYPE_ID);

    Class<?> keyClassType = this.createJavaType(javaTypes, JsonHeaders.KEY_TYPE_ID);

    if (keyClassType != null) {
        logger.warn("Boon doesn't support the Map 'key' conversion. Will be returned raw Map<String, Object>");
        if (json instanceof String) {
            return (T) parser.parseMap((String) json);
        } else if (json instanceof byte[]) {
            return (T) parser.parseMap((byte[]) json);
        } else if (json instanceof char[]) {
            return (T) parser.parseMap((char[]) json);
        } else if (json instanceof File) {
            return (T) parser.parseMap(new FileReader((File) json));
        } else if (json instanceof InputStream) {
            return (T) parser.parseMap((InputStream) json);
        } else if (json instanceof Reader) {
            return (T) parser.parseMap((Reader) json);
        } else {/*from w ww  .  j av a2 s  . c o  m*/
            throw new IllegalArgumentException("'json' argument must be an instance of: " + supportedJsonTypes
                    + " , but gotten: " + json.getClass());
        }
    }

    if (contentClassType != null) {
        if (json instanceof String) {
            return (T) this.objectMapper.readValue((String) json, (Class<Collection>) classType,
                    contentClassType);
        } else if (json instanceof byte[]) {
            return (T) this.objectMapper.readValue((byte[]) json, (Class<Collection>) classType,
                    contentClassType);
        } else if (json instanceof char[]) {
            return (T) this.objectMapper.readValue((char[]) json, (Class<Collection>) classType,
                    contentClassType);
        } else if (json instanceof File) {
            return (T) this.objectMapper.readValue((File) json, (Class<Collection>) classType,
                    contentClassType);
        } else if (json instanceof InputStream) {
            return (T) this.objectMapper.readValue((InputStream) json, (Class<Collection>) classType,
                    contentClassType);
        } else if (json instanceof Reader) {
            return (T) this.objectMapper.readValue((Reader) json, (Class<Collection>) classType,
                    contentClassType);
        } else {
            throw new IllegalArgumentException("'json' argument must be an instance of: " + supportedJsonTypes
                    + " , but gotten: " + json.getClass());
        }
    }

    return (T) fromJson(json, classType);
}

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