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From steveblackmon <...@git.apache.org>
Subject [GitHub] incubator-streams pull request: Streams 68,218
Date Mon, 17 Nov 2014 20:52:40 GMT
Github user steveblackmon commented on a diff in the pull request:

    https://github.com/apache/incubator-streams/pull/131#discussion_r20464050
  
    --- Diff: streams-components/streams-converters/src/main/java/org/apache/streams/converter/TypeConverterUtil.java
---
    @@ -0,0 +1,51 @@
    +package org.apache.streams.converter;
    +
    +import com.fasterxml.jackson.databind.ObjectMapper;
    +import com.fasterxml.jackson.databind.node.ObjectNode;
    +import org.apache.streams.jackson.StreamsJacksonMapper;
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +import java.io.IOException;
    +
    +/**
    + * TypeConverterUtil supports TypeConverterProcessor in converting between String json
and
    + * jackson-compatible POJO objects
    + */
    +public class TypeConverterUtil {
    +
    +    private final static Logger LOGGER = LoggerFactory.getLogger(TypeConverterUtil.class);
    +
    +    public static Object convert(Object object, Class outClass) {
    +        return TypeConverterUtil.convert(object, outClass, StreamsJacksonMapper.getInstance());
    +    }
    +
    +    public static Object convert(Object object, Class outClass, ObjectMapper mapper)
{
    +        ObjectNode node = null;
    +        Object outDoc = null;
    +        if( object instanceof String ) {
    +            try {
    +                node = mapper.readValue((String)object, ObjectNode.class);
    --- End diff --
    
    Those issues only occur when document is not a String. This line will only execute if
document instanceof String evaluated true, so this cast should be sufficient and more efficient
than involving mapper.


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