Example usage for java.lang.reflect Field getType

Introduction

In this page you can find the example usage for java.lang.reflect Field getType.

Prototype

public Class<?> getType()

Source Link

Document

Returns a Class object that identifies the declared type for the field represented by this Field object.

Usage

From source file:be.fedict.eid.applet.service.impl.tlv.TlvParser.java

private static <T> T parseThrowing(byte[] file, Class<T> tlvClass) throws InstantiationException,
        IllegalAccessException, DataConvertorException, UnsupportedEncodingException {
    Field[] fields = tlvClass.getDeclaredFields();
    Map<Integer, Field> tlvFields = new HashMap<Integer, Field>();
    for (Field field : fields) {
        TlvField tlvFieldAnnotation = field.getAnnotation(TlvField.class);
        if (null == tlvFieldAnnotation) {
            continue;
        }/*from   w  w w .j a  v a 2  s .co  m*/
        int tagId = tlvFieldAnnotation.value();
        if (tlvFields.containsKey(new Integer(tagId))) {
            throw new IllegalArgumentException("TLV field duplicate: " + tagId);
        }
        tlvFields.put(new Integer(tagId), field);
    }
    T tlvObject = tlvClass.newInstance();

    int idx = 0;
    while (idx < file.length - 1) {
        byte tag = file[idx];
        idx++;
        byte lengthByte = file[idx];
        int length = lengthByte & 0x7f;
        while ((lengthByte & 0x80) == 0x80) {
            idx++;
            lengthByte = file[idx];
            length = (length << 7) + (lengthByte & 0x7f);
        }
        idx++;
        if (0 == tag) {
            idx += length;
            continue;
        }
        if (tlvFields.containsKey(new Integer(tag))) {
            Field tlvField = tlvFields.get(new Integer(tag));
            Class<?> tlvType = tlvField.getType();
            ConvertData convertDataAnnotation = tlvField.getAnnotation(ConvertData.class);
            byte[] tlvValue = copy(file, idx, length);
            Object fieldValue;
            if (null != convertDataAnnotation) {
                Class<? extends DataConvertor<?>> dataConvertorClass = convertDataAnnotation.value();
                DataConvertor<?> dataConvertor = dataConvertorClass.newInstance();
                fieldValue = dataConvertor.convert(tlvValue);
            } else if (String.class == tlvType) {
                fieldValue = new String(tlvValue, "UTF-8");
            } else if (Boolean.TYPE == tlvType) {
                fieldValue = true;
            } else if (tlvType.isArray() && Byte.TYPE == tlvType.getComponentType()) {
                fieldValue = tlvValue;
            } else {
                throw new IllegalArgumentException("unsupported field type: " + tlvType.getName());
            }
            LOG.debug("setting field: " + tlvField.getName());
            if (null != tlvField.get(tlvObject) && false == tlvField.getType().isPrimitive()) {
                throw new RuntimeException("field was already set: " + tlvField.getName());
            }
            tlvField.setAccessible(true);
            tlvField.set(tlvObject, fieldValue);
        } else {
            LOG.debug("unknown tag: " + (tag & 0xff) + ", length: " + length);
        }
        idx += length;
    }
    return tlvObject;
}

From source file:hu.petabyte.redflags.engine.util.MappingUtils.java

public static List<String> listAllProperties(Class<?> clazz, String rootName) {
    List<String> p = new ArrayList<String>();
    for (Field f : clazz.getDeclaredFields()) {
        String n = f.getName();//from  w  ww .ja  v  a 2s .  c  om
        Class<?> c = f.getType();
        if (null != rootName && !rootName.isEmpty()) {
            n = String.format("%s.%s", rootName, n);
        }
        p.add(n);
        if (!c.getName().startsWith("java.")) {
            p.addAll(listAllProperties(c, n));
        }
    }
    return p;
}

From source file:com.google.cloud.runtimes.builder.Application.java

private static void doForEachOverrideSetting(List<Field> configFields, Consumer<String> actionBooleanSetting,
        Consumer<String> actionStringSetting) {
    for (Field field : configFields) {
        String name = OverrideableSetting.getSettingName(field);
        if ((field.getType().equals(boolean.class) || field.getType().equals(Boolean.class))) {
            actionBooleanSetting.accept(name);
        } else {/*from  w  w w.  java 2 s .  c om*/
            actionStringSetting.accept(name);
        }
    }
}

From source file:Debug.java

public static Debug getDebugLevel(Class cls) throws NoSuchFieldException {
    try {/*from w w  w  . java2s.  com*/
        Field fld = cls.getField("debug");
        if (fld.getType() != Debug.class || !Modifier.isStatic(fld.getModifiers()))
            throw new NoSuchFieldException();
        return (Debug) fld.get(null);
    } catch (IllegalArgumentException e) {
        throw new NoSuchFieldException();
    } catch (IllegalAccessException e) {
        throw new NoSuchFieldException();
    } catch (SecurityException e) {
        throw new NoSuchFieldException();
    }
}

From source file:Debug.java

public static void setDebugLevel(Class cls, Debug level) throws NoSuchFieldException {
    try {/*from  www  .ja v a 2s. c o m*/
        Field fld = cls.getField("debug");
        if (fld.getType() != Debug.class || !Modifier.isStatic(fld.getModifiers()))
            throw new NoSuchFieldException();
        fld.set(null, level);
    } catch (IllegalArgumentException e) {
        throw new NoSuchFieldException();
    } catch (IllegalAccessException e) {
        throw new NoSuchFieldException();
    } catch (SecurityException e) {
        throw new NoSuchFieldException();
    }
}

From source file:HTMLColors.java

/** Initialiase colors map */
private static void initColorsMap() {
    Field[] fields = HTMLColors.class.getFields();
    for (Field field : fields) {
        if (field.getType().isAssignableFrom(Color.class)) {
            addColor(field.getName());//from   w w w  .  ja va  2  s  .c o  m
        }
    }
}

From source file:org.granite.grails.integration.GrailsExternalizer.java

public static boolean isIgnored(Field field) {
    if (EVENTS.contains(field.getName()))
        return true;
    if (field.getName().equals("errors") && field.getType().getName().equals(ERRORS))
        return true;
    return false;
}

From source file:ColorUtils.java

private static boolean isConstantColorField(Field field) {
    return Modifier.isPublic(field.getModifiers()) && Modifier.isStatic(field.getModifiers())
            && Color.class == field.getType();
}

From source file:com.shazam.shazamcrest.matcher.GsonProvider.java

private static void markSetAndMapFields(final GsonBuilder gsonBuilder) {
    gsonBuilder.setFieldNamingStrategy(new FieldNamingStrategy() {
        @Override/*from  w ww .  j  av a 2 s  . c  o  m*/
        public String translateName(Field f) {
            if (Set.class.isAssignableFrom(f.getType()) || Map.class.isAssignableFrom(f.getType())) {
                return MARKER + f.getName();
            }
            return f.getName();
        }
    });
}

From source file:com.impetus.kundera.graph.ObjectGraphUtils.java

/**
 * /*from  w w  w.j a v a2  s . c  o m*/
 * @param id
 * @param idField
 * @return
 */
private static boolean isIdSet(Object id, Field idField) {
    // return true, if it is non blank and not zero in case of numeric
    // value.

    if (id != null) {
        return !(NumericUtils.checkIfZero(id.toString(), idField.getType())
                || (StringUtils.isNumeric(id.toString()) && StringUtils.isBlank(id.toString())));
    }
    return false;
}