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Add the checking for root class

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git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1384167 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
rfeng 2012-09-13 00:10:16 +00:00
commit 2b5427b858
1 changed files with 45 additions and 8 deletions
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53
sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JacksonHelper.java
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@ -24,6 +24,7 @@ import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
import java.io.StringWriter;
import java.util.Collections;
import java.util.Set;
import javax.xml.bind.annotation.adapters.XmlAdapter;
@ -40,12 +41,14 @@ import org.codehaus.jackson.map.AnnotationIntrospector;
import org.codehaus.jackson.map.DeserializationConfig;
import org.codehaus.jackson.map.MappingJsonFactory;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.SerializerProvider;
import org.codehaus.jackson.map.annotate.JsonSerialize;
import org.codehaus.jackson.map.deser.BeanDeserializerFactory;
import org.codehaus.jackson.map.deser.StdDeserializerProvider;
import org.codehaus.jackson.map.introspect.AnnotatedClass;
import org.codehaus.jackson.map.introspect.JacksonAnnotationIntrospector;
import org.codehaus.jackson.map.module.SimpleDeserializers;
import org.codehaus.jackson.map.ser.BeanPropertyWriter;
import org.codehaus.jackson.map.ser.CustomSerializerFactory;
import org.codehaus.jackson.map.ser.FilterProvider;
import org.codehaus.jackson.map.ser.impl.SimpleBeanPropertyFilter;
@ -65,7 +68,7 @@ public class JacksonHelper {
private final static SimpleBeanPropertyFilter DEFAULT_FILTER = SimpleBeanPropertyFilter.serializeAllExcept();
public final static ObjectMapper MAPPER = createMapper();
private final static JsonFactory FACTORY = new MappingJsonFactory(createMapper());
public static ObjectMapper createMapper() {
return createObjectMapper(null);
}
@ -246,21 +249,55 @@ public class JacksonHelper {
throw new IOException(e);
}
}
public static FilterProvider configureFilterProvider(TransformationContext context) {
SimpleBeanPropertyFilter filter = DEFAULT_FILTER;
if (context != null) {
Set<String> included = (Set<String>)context.getMetadata().get("includedFields");
Set<String> excluded = (Set<String>)context.getMetadata().get("excludedFields");
if (included != null && !included.isEmpty()) {
filter = SimpleBeanPropertyFilter.filterOutAllExcept(included);
} else if (excluded != null && !excluded.isEmpty()) {
filter = SimpleBeanPropertyFilter.serializeAllExcept(excluded);
}
Class<?> type = context.getSourceDataType() == null ? null : context.getSourceDataType().getPhysical();
filter = new TuscanyBeanPropertyFilter(type, included, excluded);
}
FilterProvider filters = new SimpleFilterProvider().addFilter("tuscanyFilter", filter);
return filters;
}
}
private static class TuscanyBeanPropertyFilter extends SimpleBeanPropertyFilter {
private Class<?> type;
private Set<String> includedFields;
private Set<String> excludedFields;
public TuscanyBeanPropertyFilter(Class<?> type, Set<String> includedFields, Set<String> excludedFields) {
if (includedFields == null) {
includedFields = Collections.emptySet();
}
if (excludedFields == null) {
excludedFields = Collections.emptySet();
}
this.includedFields = includedFields;
this.excludedFields = excludedFields;
this.type = type;
}
@Override
public void serializeAsField(Object bean,
JsonGenerator jgen,
SerializerProvider provider,
BeanPropertyWriter writer) throws Exception {
/*
// First check if the type matches and skip the filtering if the type is different
if (type != null && writer.getMember().getDeclaringClass() != type) {
writer.serializeAsField(bean, jgen, provider);
return;
}
*/
if (includedFields.contains(writer.getName())) {
writer.serializeAsField(bean, jgen, provider);
} else if (includedFields.isEmpty() && !excludedFields.contains(writer.getName())) {
writer.serializeAsField(bean, jgen, provider);
}
}
}
}