Example usage for com.fasterxml.jackson.core JsonLocation getSourceRef

Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonLocation getSourceRef.

Prototype

public Object getSourceRef()

Source Link

Document

Reference to the original resource being read, if one available.

Usage

From source file:com.addthis.codec.jackson.Jackson.java

public static JsonMappingException maybeImproveLocation(JsonLocation wrapLoc, JsonMappingException cause) {
    JsonLocation exLoc = cause.getLocation();
    if (isRealLocation(wrapLoc) && !isRealLocation(exLoc)) {
        if (wrapLoc.getSourceRef() instanceof ConfigValue) {
            ConfigValue locRef = (ConfigValue) wrapLoc.getSourceRef();
            List<JsonMappingException.Reference> paths = cause.getPath();
            for (JsonMappingException.Reference path : paths) {
                if (locRef instanceof ConfigObject) {
                    String fieldName = path.getFieldName();
                    ConfigObject locRefObject = (ConfigObject) locRef;
                    if (locRefObject.containsKey(fieldName)) {
                        locRef = locRefObject.get(fieldName);
                    } else {
                        break;
                    }/*from ww w.jav  a 2  s .co  m*/
                } else if (locRef instanceof ConfigList) {
                    int fieldIndex = path.getIndex();
                    ConfigList locRefList = (ConfigList) locRef;
                    if ((fieldIndex >= 0) && (locRefList.size() > fieldIndex)) {
                        locRef = locRefList.get(fieldIndex);
                    } else {
                        break;
                    }
                } else {
                    break;
                }
            }
            if (locRef != wrapLoc.getSourceRef()) {
                wrapLoc = fromConfigValue(locRef);
            }
        }
        List<JsonMappingException.Reference> paths = Lists.reverse(cause.getPath());
        if (!paths.isEmpty()) {
            JsonMappingException withLoc = new JsonMappingException(rootMessage(cause), wrapLoc, cause);
            for (JsonMappingException.Reference path : paths) {
                withLoc.prependPath(path);
            }
            return withLoc;
        } else {
            return new JsonMappingException(rootMessage(cause), wrapLoc, cause);
        }
    }
    return cause;
}