Example usage for org.springframework.data.couchbase.core.mapping CouchbaseList CouchbaseList

Introduction

In this page you can find the example usage for org.springframework.data.couchbase.core.mapping CouchbaseList CouchbaseList.

Prototype

public CouchbaseList() 

Source Link

Document

Create a new (empty) list.

Usage

From source file:org.springframework.data.couchbase.core.convert.translation.JacksonTranslationService.java

/**
 * Decode a JSON string into the {@link CouchbaseStorable} structure.
 *
 * @param source the source formatted document.
 * @param target the target of the populated data.
 *
 * @return the decoded structure.// w  w w . ja  v  a2s. c o  m
 */
@Override
public final CouchbaseStorable decode(final Object source, final CouchbaseStorable target) {
    try {
        JsonParser parser = factory.createParser((String) source);
        while (parser.nextToken() != null) {
            JsonToken currentToken = parser.getCurrentToken();

            if (currentToken == JsonToken.START_OBJECT) {
                return decodeObject(parser, (CouchbaseDocument) target);
            } else if (currentToken == JsonToken.START_ARRAY) {
                return decodeArray(parser, new CouchbaseList());
            } else {
                throw new MappingException("JSON to decode needs to start as array or object!");
            }
        }
        parser.close();
    } catch (IOException ex) {
        throw new RuntimeException("Could not decode JSON", ex);
    }
    return target;
}

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From source file:org.springframework.data.couchbase.core.convert.translation.JacksonTranslationService.java

/**
 * Helper method to decode an object recursively.
 *
 * @param parser the JSON parser with the content.
 * @param target the target where the content should be stored.
 *
 * @throws IOException/*w  w  w .jav a  2  s .  co  m*/
 * @returns the decoded object.
 */
private CouchbaseDocument decodeObject(final JsonParser parser, final CouchbaseDocument target)
        throws IOException {
    JsonToken currentToken = parser.nextToken();

    String fieldName = "";
    while (currentToken != null && currentToken != JsonToken.END_OBJECT) {
        if (currentToken == JsonToken.START_OBJECT) {
            target.put(fieldName, decodeObject(parser, new CouchbaseDocument()));
        } else if (currentToken == JsonToken.START_ARRAY) {
            target.put(fieldName, decodeArray(parser, new CouchbaseList()));
        } else if (currentToken == JsonToken.FIELD_NAME) {
            fieldName = parser.getCurrentName();
        } else {
            target.put(fieldName, decodePrimitive(currentToken, parser));
        }

        currentToken = parser.nextToken();
    }

    return target;
}

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From source file:org.springframework.data.couchbase.core.convert.translation.JacksonTranslationService.java

/**
 * Helper method to decode an array recusrively.
 *
 * @param parser the JSON parser with the content.
 * @param target the target where the content should be stored.
 *
 * @throws IOException//w w w. j  a v a  2  s. c om
 * @returns the decoded list.
 */
private CouchbaseList decodeArray(final JsonParser parser, final CouchbaseList target) throws IOException {
    JsonToken currentToken = parser.nextToken();

    while (currentToken != null && currentToken != JsonToken.END_ARRAY) {
        if (currentToken == JsonToken.START_OBJECT) {
            target.put(decodeObject(parser, new CouchbaseDocument()));
        } else if (currentToken == JsonToken.START_ARRAY) {
            target.put(decodeArray(parser, new CouchbaseList()));
        } else {
            target.put(decodePrimitive(currentToken, parser));
        }

        currentToken = parser.nextToken();
    }

    return target;
}

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