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Created Tag and Group annotation. Created junit test to read tagged fields at run time 

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/data-catalogue/grsf-publisher-ws@132950 82a268e6-3cf1-43bd-a215-b396298e98cf
This commit is contained in:
Costantino Perciante 2016-10-07 19:50:21 +00:00
parent 0ee6f5aa6b
commit 79d1ebd486
4 changed files with 78 additions and 0 deletions
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1
.classpath
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@ -22,5 +22,6 @@
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
<classpathentry kind="output" path="target/classes"/>
</classpath>

16
src/main/java/org/gcube/data_catalogue/grsf_publish_ws/custom_annotations/Group.java Normal file
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@ -0,0 +1,16 @@
package org.gcube.data_catalogue.grsf_publish_ws.custom_annotations;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Group annotation
* @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.FIELD)
public @interface Group {
}

16
src/main/java/org/gcube/data_catalogue/grsf_publish_ws/custom_annotations/Tag.java Normal file
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@ -0,0 +1,16 @@
package org.gcube.data_catalogue.grsf_publish_ws.custom_annotations;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Tag annotation
* @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.FIELD)
public @interface Tag {
}

45
src/test/java/org/gcube/data_catalogue/grsf_publish_ws/JTests.java Normal file
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package org.gcube.data_catalogue.grsf_publish_ws;
import java.beans.IntrospectionException;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import org.gcube.data_catalogue.grsf_publish_ws.custom_annotations.Group;
import org.gcube.data_catalogue.grsf_publish_ws.custom_annotations.Tag;
import org.gcube.data_catalogue.grsf_publish_ws.json.FisheryRecord;
import org.gcube.data_catalogue.grsf_publish_ws.utils.groups.Source;
import org.gcube.data_catalogue.grsf_publish_ws.utils.groups.Type;
import org.junit.Test;
public class JTests {
@Test
public void test() throws IllegalArgumentException, IllegalAccessException, InvocationTargetException, IntrospectionException {
// Common instance = new Common();
// instance.setType(Type.Assesment_Unit);
FisheryRecord recordFishery = new FisheryRecord();
recordFishery.setType(Type.Fishing_Description);
recordFishery.setDatabaseSources(Source.FIRMS);
// Class<Common> commonClass = Common.class;
Class<FisheryRecord> fisheryClass = FisheryRecord.class;
// bottom up, looks up for Tag fields
Class<?> current = fisheryClass;
do{
// do something with current's fields
System.out.println("Class is " + current.getCanonicalName());
Field[] fields = current.getDeclaredFields();
for (Field field : fields) {
if(field.isAnnotationPresent(Tag.class) || field.isAnnotationPresent(Group.class)){
System.out.println("Annotated field is " + field.getName());
Object f = new PropertyDescriptor(field.getName(), fisheryClass).getReadMethod().invoke(recordFishery);
System.out.println("Field is " + field.getName() + " and its value for instance is " + f);
}
}
}
while((current = current.getSuperclass())!=null);
}
}