public static void dumpJSON(JsonValue tree, String key, String depthPrefix) {
if (key != null) logger.info(depthPrefix + "Key " + key + ": ");
switch (tree.getValueType()) {
case OBJECT:
logger.info(depthPrefix + "OBJECT");
JsonObject object = (JsonObject) tree;
for (String name : object.keySet()) dumpJSON(object.get(name), name, depthPrefix + " ");
break;
case ARRAY:
logger.info(depthPrefix + "ARRAY");
JsonArray array = (JsonArray) tree;
for (JsonValue val : array) dumpJSON(val, null, depthPrefix + " ");
break;
case STRING:
JsonString st = (JsonString) tree;
logger.info(depthPrefix + "STRING " + st.getString());
break;
case NUMBER:
JsonNumber num = (JsonNumber) tree;
logger.info(depthPrefix + "NUMBER " + num.toString());
break;
case TRUE:
case FALSE:
case NULL:
logger.info(depthPrefix + tree.getValueType().toString());
break;
}
}
/**
* http://docs.oracle.com/middleware/1213/wls/WLPRG/java-api-for-json-proc.htm#WLPRG1061
*
* @param tree
* @param key
*/
public static Object navigateTree(JsonValue tree, String key) {
Object ret = null;
if (key != null) System.out.print("Key " + key + ": ");
switch (tree.getValueType()) {
case OBJECT:
System.out.println("OBJECT");
JsonObject object = (JsonObject) tree;
for (String name : object.keySet()) navigateTree(object.get(name), name);
break;
case ARRAY:
System.out.println("ARRAY");
JsonArray array = (JsonArray) tree;
for (JsonValue val : array) navigateTree(val, null);
break;
case STRING:
JsonString st = (JsonString) tree;
System.out.println("STRING " + st.getString());
break;
case NUMBER:
JsonNumber num = (JsonNumber) tree;
System.out.println("NUMBER " + num.toString());
break;
case TRUE:
System.out.println("TRUE");
case FALSE:
System.out.println("FALSE");
case NULL:
System.out.println(tree.getValueType().toString());
break;
}
return ret;
}
@Override
public void visit(JsonNumber value) {
out.append(value.toString());
}