Example usage for java.lang Class getDeclaredFields

List of usage examples for java.lang Class getDeclaredFields

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Introduction

In this page you can find the example usage for java.lang Class getDeclaredFields.

Prototype

@CallerSensitive
public Field[] getDeclaredFields() throws SecurityException

Source Link

Document

Returns an array of Field objects reflecting all the fields declared by the class or interface represented by this Class object.

Usage

From source file:com.mmj.app.common.file.ExcelUtils.java

public static Field[] getAllFields(List<Field> fields, Class<?> type) {
    for (Field field : type.getDeclaredFields()) {
        fields.add(field);//from ww w .  jav  a2 s  .c  om
    }
    if (type.getSuperclass() != null) {
        fields.addAll(Arrays.asList(getAllFields(fields, type.getSuperclass())));
    }
    return fields.toArray(new Field[fields.size()]);
}

From source file:ClassUtil.java

/**
 * Retrieving fields list of specified class
 * If recursively is true, retrieving fields from all class hierarchy
 *
 * @param clazz where fields are searching
 * @param recursively param/*from   w w w  .ja  va  2s.c om*/
 * @return list of fields
 */
public static Field[] getDeclaredFields(Class clazz, boolean recursively) {
    List<Field> fields = new LinkedList<Field>();
    Field[] declaredFields = clazz.getDeclaredFields();
    Collections.addAll(fields, declaredFields);

    Class superClass = clazz.getSuperclass();

    if (superClass != null && recursively) {
        Field[] declaredFieldsOfSuper = getDeclaredFields(superClass, recursively);
        if (declaredFieldsOfSuper.length > 0)
            Collections.addAll(fields, declaredFieldsOfSuper);
    }

    return fields.toArray(new Field[fields.size()]);
}

From source file:io.tilt.minka.utils.Defaulter.java

private static List<Field> getStaticDefaults(Class<?> clas) {
    final Field[] declaredFields = clas.getDeclaredFields();
    final List<Field> staticFields = new ArrayList<Field>();
    for (Field field : declaredFields) {
        if (Modifier.isStatic(field.getModifiers())) {
            staticFields.add(field);/*from   w  w  w.j  av a 2  s.  c  o m*/
        }
    }
    return staticFields;
}

From source file:com.netflix.spinnaker.halyard.core.registry.v1.BillOfMaterials.java

static private <T> String getFieldVersion(Class<T> clazz, T obj, String artifactName) {
    Optional<Field> field = Arrays.stream(clazz.getDeclaredFields()).filter(f -> {
        boolean nameMatches = f.getName().equals(artifactName);
        boolean propertyMatches = false;
        JsonProperty property = f.getDeclaredAnnotation(JsonProperty.class);
        if (property != null) {
            propertyMatches = property.value().equals(artifactName);
        }//  w  w  w  . j  av  a  2  s .  com
        return nameMatches || propertyMatches;
    }).findFirst();

    try {
        return ((Artifact) field.orElseThrow(() -> new NoKnownArtifact(artifactName)).get(obj)).getVersion();
    } catch (IllegalAccessException e) {
        throw new RuntimeException(e);
    } catch (NullPointerException e) {
        throw new RuntimeException("Versioned artifact " + artifactName + " is not listed in the BOM");
    }
}

From source file:ea.compoment.db.util.sql.UpdateSqlBuilder.java

/**
 * ,?/*from   ww w  .java  2 s .c  o m*/
 * 
 * @return
 * @throws DBException
 * @throws IllegalArgumentException
 * @throws IllegalAccessException
 */
public static NVArrayList getFieldsAndValue(Object entity)
        throws DBException, IllegalArgumentException, IllegalAccessException {
    NVArrayList arrayList = new NVArrayList();
    if (entity == null) {
        throw new DBException("?");
    }
    Class<?> clazz = entity.getClass();
    Field[] fields = clazz.getDeclaredFields();
    for (Field field : fields) {

        if (!DBAnnoUtils.isTransient(field)) {
            if (DBAnnoUtils.isBaseDateType(field)) {
                PrimaryKey annotation = field.getAnnotation(PrimaryKey.class);
                if (annotation == null || !annotation.autoIncrement()) {
                    String columnName = DBAnnoUtils.getColumnByField(field);
                    field.setAccessible(true);
                    arrayList.add((columnName != null && !columnName.equals("")) ? columnName : field.getName(),
                            field.get(entity) == null ? null : field.get(entity).toString());
                }
            }
        }
    }
    return arrayList;
}

From source file:io.apiman.plugins.keycloak_oauth_policy.ClaimLookup.java

private static void getProperties(Class<?> klazz, String path, Deque<Field> fieldChain) {
    for (Field f : klazz.getDeclaredFields()) {
        f.setAccessible(true);/*w ww . jav  a2s.  c om*/
        JsonProperty jsonProperty = f.getAnnotation(JsonProperty.class);
        if (jsonProperty != null) {
            fieldChain.push(f);
            // If the inspected type has nested @JsonProperty annotations, we need to inspect it
            if (hasJsonPropertyAnnotation(f)) {
                getProperties(f.getType(), f.getName() + ".", fieldChain); // Add "." when traversing into new object.
            } else { // Otherwise, just assume it's simple as the best we can do is #toString
                List<Field> fieldList = new ArrayList<>(fieldChain);
                Collections.reverse(fieldList);
                STANDARD_CLAIMS_FIELD_MAP.put(path + jsonProperty.value(), fieldList);
                fieldChain.pop(); // Pop, as we have now reached end of this chain.
            }
        }
    }
}

From source file:cn.xdf.thinkutils.db2.util.sql.UpdateSqlBuilder.java

/**
 * ,?/*from   w ww  . j a v a  2 s  .  c o  m*/
 * 
 * @return
 * @throws DBException
 * @throws IllegalArgumentException
 * @throws IllegalAccessException
 */
public static ArrayListEx getFieldsAndValue(Object entity)
        throws DBException, IllegalArgumentException, IllegalAccessException {
    // TODO Auto-generated method stub
    ArrayListEx arrayList = new ArrayListEx();
    if (entity == null) {
        throw new DBException("?");
    }
    Class<?> clazz = entity.getClass();
    Field[] fields = clazz.getDeclaredFields();
    for (Field field : fields) {

        if (!DBUtils.isTransient(field)) {
            if (DBUtils.isBaseDateType(field)) {
                PrimaryKey annotation = field.getAnnotation(PrimaryKey.class);
                if (annotation == null || !annotation.autoIncrement()) {
                    String columnName = DBUtils.getColumnByField(field);
                    field.setAccessible(true);
                    arrayList.add((columnName != null && !columnName.equals("")) ? columnName : field.getName(),
                            field.get(entity) == null ? null : field.get(entity).toString());
                }
            }
        }
    }
    return arrayList;
}

From source file:com.alading.library.util.db.util.sql.TAUpdateSqlBuilder.java

/**
 * ,?//from  w ww  . jav  a 2  s .  c  o m
 * 
 * @return
 * @throws TADBException
 * @throws IllegalArgumentException
 * @throws IllegalAccessException
 */
public static TAArrayList getFieldsAndValue(Object entity)
        throws TADBException, IllegalArgumentException, IllegalAccessException {
    // TODO Auto-generated method stub
    TAArrayList arrayList = new TAArrayList();
    if (entity == null) {
        throw new TADBException("?");
    }
    Class<?> clazz = entity.getClass();
    Field[] fields = clazz.getDeclaredFields();
    for (Field field : fields) {

        if (!TADBUtils.isTransient(field)) {
            if (TADBUtils.isBaseDateType(field)) {
                TAPrimaryKey annotation = field.getAnnotation(TAPrimaryKey.class);
                if (annotation == null || !annotation.autoIncrement()) {
                    String columnName = TADBUtils.getColumnByField(field);
                    field.setAccessible(true);
                    arrayList.add((columnName != null && !columnName.equals("")) ? columnName : field.getName(),
                            field.get(entity) == null ? null : field.get(entity).toString());
                }
            }
        }
    }
    return arrayList;
}

From source file:com.witness.utils.db.util.sql.TAUpdateSqlBuilder.java

/**
 * ,?//from   w ww .j av a2s  .  c  o m
 *
 * @return
 * @throws TADBException
 * @throws IllegalArgumentException
 * @throws IllegalAccessException
 */
public static TAArrayList getFieldsAndValue(Object entity)
        throws TADBException, IllegalArgumentException, IllegalAccessException {
    // TODO Auto-generated method stub
    TAArrayList arrayList = new TAArrayList();
    if (entity == null) {
        throw new TADBException("?");
    }
    Class<?> clazz = entity.getClass();
    Field[] fields = clazz.getDeclaredFields();
    for (Field field : fields) {

        if (!TADBUtils.isTransient(field)) {
            if (TADBUtils.isBaseDateType(field)) {
                DBPrimaryKey annotation = field.getAnnotation(DBPrimaryKey.class);
                if (annotation == null || !annotation.autoIncrement()) {
                    String columnName = TADBUtils.getColumnByField(field);
                    field.setAccessible(true);
                    arrayList.add((columnName != null && !columnName.equals("")) ? columnName : field.getName(),
                            field.get(entity) == null ? null : field.get(entity).toString());
                }
            }
        }
    }
    return arrayList;
}

From source file:ch.ifocusit.plantuml.utils.ClassUtils.java

public static Optional<Field> getField(Class container, Class aClass) {
    return Stream.of(container.getDeclaredFields())
            .filter(attr -> getConcernedTypes(attr).stream().anyMatch(fieldType -> fieldType.equals(aClass)))
            .findFirst();/*from w  w  w . jav a  2 s . c  o  m*/
}