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Fixed null field issues in JSON

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Ziver Koc 2015-10-07 22:32:26 +00:00
parent 0bb193fba3
commit 051f6fdcf8
5 changed files with 52 additions and 23 deletions
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28
src/zutil/parser/json/JSONObjectOutputStream.java
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@ -41,14 +41,15 @@ import java.util.Map;
public class JSONObjectOutputStream extends OutputStream implements ObjectOutput, Closeable{
/** If the generated JSON should contain class def meta-data **/
private boolean generateMetaData;
private boolean generateMetaData = true;
/** If fields that are null should be included in the json **/
private boolean ignoreNullFields = true;
/** Cache of parsed objects **/
private HashMap<Object,Integer> objectCache;
private JSONWriter out;
private JSONObjectOutputStream() {
this.generateMetaData = true;
this.objectCache = new HashMap<Object, Integer>();
}
public JSONObjectOutputStream(OutputStream out) {
@ -103,18 +104,21 @@ public class JSONObjectOutputStream extends OutputStream implements ObjectOutput
if((field.getModifiers() & Modifier.STATIC) == 0 &&
(field.getModifiers() & Modifier.TRANSIENT) == 0){
field.setAccessible(true);
Object fieldObj = field.get(obj);
// has object a value?
if(ignoreNullFields && fieldObj == null)
continue;
// Add basic type (int, float...)
if(ClassUtil.isPrimitive(field.getType()) ||
else if(ClassUtil.isPrimitive(field.getType()) ||
ClassUtil.isWrapper(field.getType())){
root.set(field.getName(), getPrimitiveDataNode(field.getType(), field.get(obj)));
root.set(field.getName(), getPrimitiveDataNode(field.getType(), fieldObj));
}
// Add an array
else if(field.getType().isArray()){
DataNode arrayNode = new DataNode(DataNode.DataType.List);
Object array = field.get(obj);
for(int i=0; i< Array.getLength(array) ;i++){
arrayNode.add(getDataNode(Array.get(array, i)));
for(int i=0; i< Array.getLength(fieldObj) ;i++){
arrayNode.add(getDataNode(Array.get(fieldObj, i)));
}
root.set(field.getName(), arrayNode);
}
@ -125,7 +129,7 @@ public class JSONObjectOutputStream extends OutputStream implements ObjectOutput
// TODO Add Map Support
}
else{
root.set(field.getName(), getDataNode(field.get(obj)));
root.set(field.getName(), getDataNode(fieldObj));
}
}
}
@ -171,6 +175,14 @@ public class JSONObjectOutputStream extends OutputStream implements ObjectOutput
generateMetaData = generate;
}
/**
* Defines if null fields in objects should be included
* in the JSON output.
*/
public void ignoreNullFields(boolean enable) {
ignoreNullFields = enable;
}
public void flush() throws IOException {
super.flush();
out.flush();