* limitations under the License.
* ============LICENSE_END=========================================================
*/
+
package org.onap.aai.introspection;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
-import org.onap.aai.exceptions.AAIException;
-import org.onap.aai.introspection.exceptions.AAIUnknownObjectException;
-import org.onap.aai.logging.LogFormatTools;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
+import org.onap.aai.exceptions.AAIException;
+import org.onap.aai.introspection.exceptions.AAIUnknownObjectException;
+import org.onap.aai.logging.LogFormatTools;
+
public class IntrospectorWalker {
- private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(IntrospectorWalker.class);
-
- private Wanderer w = null;
- private Set<String> blacklist = null;
- private boolean preventCycles = false;
- private final PropertyPredicate<Introspector, String> propVisibility;
-
- /**
- * Instantiates a new introspector walker.
- *
- * @param w the w
- * @param llBuilder the ll builder
- */
- public IntrospectorWalker(Wanderer w) {
- this.w = w;
- this.blacklist = new HashSet<>();
- this.propVisibility = null;
- }
-
- public IntrospectorWalker(Wanderer w, PropertyPredicate<Introspector, String> p) {
- this.w = w;
- this.blacklist = new HashSet<>();
- this.propVisibility = p;
- }
-
-
- /**
- * Sets the blacklist.
- *
- * @param list the new blacklist
- */
- public void setBlacklist(List<String> list) {
- blacklist.addAll(list);
- }
-
- /**
- * Prevent cycles.
- *
- * @param prevent the prevent
- */
- public void preventCycles(boolean prevent) {
- this.preventCycles = prevent;
- }
-
- /**
- * Walk.
- *
- * @param obj the obj
- * @throws AAIException
- */
- public void walk(Introspector obj) throws AAIException {
- Set<String> visited = new HashSet<>();
-
- walk(obj, null, visited);
- }
-
- /**
- * Walk.
- *
- * @param obj the obj
- * @param parent the parent
- * @throws AAIException
- */
- private void walk(Introspector obj, Introspector parent, Set<String> visited) throws AAIException {
- boolean stopRecursion = false;
- Set<String> localVisited = new HashSet<>();
- localVisited.addAll(visited);
- if (preventCycles) {
- if (visited.contains(obj.getName())) {
- stopRecursion = true;
- }
- if (!obj.isContainer()) {
- localVisited.add(obj.getName()); //so we don't recurse while walking its children
- }
- }
- Set<String> props;
- //props must duplicate the result from getProperties because
- //it is unmodifiable
- if (this.propVisibility == null) {
- props = new LinkedHashSet<>(obj.getProperties());
- } else {
- props = new LinkedHashSet<>(obj.getProperties(this.propVisibility));
- }
-
- w.processComplexObj(obj);
- props.removeAll(blacklist);
- if (!obj.isContainer()) {
- parent = obj;
- }
- for (String prop : props) {
-
- if (obj.isSimpleType(prop)) {
-
- w.processPrimitive(prop, obj);
- } else if (obj.isListType(prop) && !stopRecursion) {
-
- List<Object> listReference = obj.getValue(prop);
- boolean isComplexType = obj.isComplexGenericType(prop);
- if (isComplexType) {
- List<Introspector> list = obj.getWrappedListValue(prop);
- try {
- Introspector child = obj.newIntrospectorInstanceOfNestedProperty(prop);
- w.modifyComplexList(list, listReference, parent, child);
- for (Object item : listReference) {
- child = IntrospectorFactory.newInstance(obj.getModelType(), item);
- walk(child, parent, localVisited);
- }
- } catch (AAIUnknownObjectException e) {
- LOGGER.warn("Skipping property " + prop + " (Unknown Object) " + LogFormatTools.getStackTop(e));
- }
- } else {
- w.processPrimitiveList(prop, obj);
- }
- if (listReference.size() == 0) {
- if (isComplexType) {
- try {
- Introspector child = obj.newIntrospectorInstanceOfNestedProperty(prop);
- int size = w.createComplexListSize(parent, child);
- for (int i = 0; i < size; i++) {
- child = obj.newIntrospectorInstanceOfNestedProperty(prop);
- walk(child, parent, localVisited);
- listReference.add(child.getUnderlyingObject());
- }
-
- obj.setValue(prop, listReference);
- } catch (AAIUnknownObjectException e) {
- LOGGER.warn("Skipping property " + prop + " (Unknown Object) " + LogFormatTools.getStackTop(e));
- }
- } else if (!isComplexType){
- w.processPrimitiveList(prop, obj);
- }
- }
-
- } else if (obj.isComplexType(prop) && !stopRecursion) {
- Introspector child = null;
- if (obj.getValue(prop) != null) {
- child = IntrospectorFactory.newInstance(obj.getModelType(), obj.getValue(prop));
- } else {
- if (w.createComplexObjIfNull()) {
- try {
- child = obj.newIntrospectorInstanceOfProperty(prop);
- obj.setValue(prop, child.getUnderlyingObject());
- } catch (AAIUnknownObjectException e) {
- LOGGER.warn("Skipping property " + prop + " (Unknown Object) " + LogFormatTools.getStackTop(e));
- }
- }
- }
- if (child != null) {
- walk(child, obj, localVisited);
- }
- }
-
- }
- /*
- if (preventCycles && !obj.isContainer()) {
- visited.remove(obj.getName()); //so we can see it down another path that isn't in danger of recursing over it
- }*/
- }
+ private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(IntrospectorWalker.class);
+
+ private Wanderer w = null;
+ private Set<String> blacklist = null;
+ private boolean preventCycles = false;
+ private final PropertyPredicate<Introspector, String> propVisibility;
+
+ /**
+ * Instantiates a new introspector walker.
+ *
+ * @param w the w
+ * @param llBuilder the ll builder
+ */
+ public IntrospectorWalker(Wanderer w) {
+ this.w = w;
+ this.blacklist = new HashSet<>();
+ this.propVisibility = null;
+ }
+
+ public IntrospectorWalker(Wanderer w, PropertyPredicate<Introspector, String> p) {
+ this.w = w;
+ this.blacklist = new HashSet<>();
+ this.propVisibility = p;
+ }
+
+ /**
+ * Sets the blacklist.
+ *
+ * @param list the new blacklist
+ */
+ public void setBlacklist(List<String> list) {
+ blacklist.addAll(list);
+ }
+
+ /**
+ * Prevent cycles.
+ *
+ * @param prevent the prevent
+ */
+ public void preventCycles(boolean prevent) {
+ this.preventCycles = prevent;
+ }
+
+ /**
+ * Walk.
+ *
+ * @param obj the obj
+ * @throws AAIException
+ */
+ public void walk(Introspector obj) throws AAIException {
+ Set<String> visited = new HashSet<>();
+
+ walk(obj, null, visited);
+ }
+
+ /**
+ * Walk.
+ *
+ * @param obj the obj
+ * @param parent the parent
+ * @throws AAIException
+ */
+ private void walk(Introspector obj, Introspector parent, Set<String> visited) throws AAIException {
+ boolean stopRecursion = false;
+ Set<String> localVisited = new HashSet<>();
+ localVisited.addAll(visited);
+ if (preventCycles) {
+ if (visited.contains(obj.getName())) {
+ stopRecursion = true;
+ }
+ if (!obj.isContainer()) {
+ localVisited.add(obj.getName()); // so we don't recurse while walking its children
+ }
+ }
+ Set<String> props;
+ // props must duplicate the result from getProperties because
+ // it is unmodifiable
+ if (this.propVisibility == null) {
+ props = new LinkedHashSet<>(obj.getProperties());
+ } else {
+ props = new LinkedHashSet<>(obj.getProperties(this.propVisibility));
+ }
+
+ w.processComplexObj(obj);
+ props.removeAll(blacklist);
+ if (!obj.isContainer()) {
+ parent = obj;
+ }
+ for (String prop : props) {
+
+ if (obj.isSimpleType(prop)) {
+
+ w.processPrimitive(prop, obj);
+ } else if (obj.isListType(prop) && !stopRecursion) {
+
+ List<Object> listReference = obj.getValue(prop);
+ boolean isComplexType = obj.isComplexGenericType(prop);
+ if (isComplexType) {
+ List<Introspector> list = obj.getWrappedListValue(prop);
+ try {
+ Introspector child = obj.newIntrospectorInstanceOfNestedProperty(prop);
+ w.modifyComplexList(list, listReference, parent, child);
+ for (Object item : listReference) {
+ child = IntrospectorFactory.newInstance(obj.getModelType(), item);
+ walk(child, parent, localVisited);
+ }
+ } catch (AAIUnknownObjectException e) {
+ LOGGER.warn("Skipping property " + prop + " (Unknown Object) " + LogFormatTools.getStackTop(e));
+ }
+ } else {
+ w.processPrimitiveList(prop, obj);
+ }
+ if (listReference.size() == 0) {
+ if (isComplexType) {
+ try {
+ Introspector child = obj.newIntrospectorInstanceOfNestedProperty(prop);
+ int size = w.createComplexListSize(parent, child);
+ for (int i = 0; i < size; i++) {
+ child = obj.newIntrospectorInstanceOfNestedProperty(prop);
+ walk(child, parent, localVisited);
+ listReference.add(child.getUnderlyingObject());
+ }
+
+ obj.setValue(prop, listReference);
+ } catch (AAIUnknownObjectException e) {
+ LOGGER.warn(
+ "Skipping property " + prop + " (Unknown Object) " + LogFormatTools.getStackTop(e));
+ }
+ } else if (!isComplexType) {
+ w.processPrimitiveList(prop, obj);
+ }
+ }
+
+ } else if (obj.isComplexType(prop) && !stopRecursion) {
+ Introspector child = null;
+ if (obj.getValue(prop) != null) {
+ child = IntrospectorFactory.newInstance(obj.getModelType(), obj.getValue(prop));
+ } else {
+ if (w.createComplexObjIfNull()) {
+ try {
+ child = obj.newIntrospectorInstanceOfProperty(prop);
+ obj.setValue(prop, child.getUnderlyingObject());
+ } catch (AAIUnknownObjectException e) {
+ LOGGER.warn(
+ "Skipping property " + prop + " (Unknown Object) " + LogFormatTools.getStackTop(e));
+ }
+ }
+ }
+ if (child != null) {
+ walk(child, obj, localVisited);
+ }
+ }
+
+ }
+ /*
+ * if (preventCycles && !obj.isContainer()) {
+ * visited.remove(obj.getName()); //so we can see it down another path that isn't in danger of recursing over it
+ * }
+ */
+ }
}
Code Review / aai / aai-common.git / blobdiff