Example usage for java.lang Class getDeclaredField

List of usage examples for java.lang Class getDeclaredField

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Introduction

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

Prototype

@CallerSensitive
public Field getDeclaredField(String name) throws NoSuchFieldException, SecurityException

Source Link

Document

Returns a Field object that reflects the specified declared field of the class or interface represented by this Class object.

Usage

From source file:com.liferay.portal.configuration.ConfigurationImpl.java

public void removeProperties(Properties properties) {
    try {/*from  w w w . ja v a 2 s  . c om*/
        ComponentProperties componentProperties = _componentConfiguration.getProperties();

        AggregatedProperties aggregatedProperties = (AggregatedProperties) componentProperties
                .toConfiguration();

        Class<?> clazz = aggregatedProperties.getClass();

        Field field1 = clazz.getDeclaredField("baseConf");

        field1.setAccessible(true);

        CompositeConfiguration compositeConfiguration = (CompositeConfiguration) field1
                .get(aggregatedProperties);

        Field field2 = CompositeConfiguration.class.getDeclaredField("configList");

        field2.setAccessible(true);

        List<Configuration> configurations = (List<Configuration>) field2.get(compositeConfiguration);

        Iterator<Configuration> itr = configurations.iterator();

        while (itr.hasNext()) {
            Configuration configuration = itr.next();

            if (!(configuration instanceof MapConfiguration)) {
                return;
            }

            MapConfiguration mapConfiguration = (MapConfiguration) configuration;

            if (mapConfiguration.getMap() == properties) {
                itr.remove();

                aggregatedProperties.removeConfiguration(configuration);
            }
        }

        clearCache();
    } catch (Exception e) {
        _log.error("The properties could not be removed", e);
    }
}

From source file:jenkins.security.apitoken.ApiTokenStatsTest.java

private ApiTokenStats.SingleTokenStats createSingleTokenStatsByReflection(String uuid, String dateString,
        Integer counter) throws Exception {
    Class<ApiTokenStats.SingleTokenStats> clazz = ApiTokenStats.SingleTokenStats.class;
    Constructor<ApiTokenStats.SingleTokenStats> constructor = clazz.getDeclaredConstructor(String.class);
    constructor.setAccessible(true);// ww  w .  j a  v a2  s  .c  om

    ApiTokenStats.SingleTokenStats result = constructor.newInstance(uuid);

    {
        Field field = clazz.getDeclaredField("useCounter");
        field.setAccessible(true);
        field.set(result, counter);
    }
    if (dateString != null) {
        Field field = clazz.getDeclaredField("lastUseDate");
        field.setAccessible(true);
        field.set(result, new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS").parse(dateString));
    }

    return result;
}

From source file:Browser.java

/**
 * Called by a static initializer to load any classes, fields, and methods 
 * required at runtime to locate the user's web browser.
 * @return <code>true</code> if all intialization succeeded
 *         <code>false</code> if any portion of the initialization failed
 *//*from  ww  w. ja  va 2 s .  co m*/
private static boolean loadClasses() {
    switch (jvm) {
    case MRJ_2_0:
        try {
            Class aeTargetClass = Class.forName("com.apple.MacOS.AETarget");
            Class osUtilsClass = Class.forName("com.apple.MacOS.OSUtils");
            Class appleEventClass = Class.forName("com.apple.MacOS.AppleEvent");
            Class aeClass = Class.forName("com.apple.MacOS.ae");
            aeDescClass = Class.forName("com.apple.MacOS.AEDesc");

            aeTargetConstructor = aeTargetClass.getDeclaredConstructor(new Class[] { int.class });
            appleEventConstructor = appleEventClass.getDeclaredConstructor(
                    new Class[] { int.class, int.class, aeTargetClass, int.class, int.class });
            aeDescConstructor = aeDescClass.getDeclaredConstructor(new Class[] { String.class });

            makeOSType = osUtilsClass.getDeclaredMethod("makeOSType", new Class[] { String.class });
            putParameter = appleEventClass.getDeclaredMethod("putParameter",
                    new Class[] { int.class, aeDescClass });
            sendNoReply = appleEventClass.getDeclaredMethod("sendNoReply", new Class[] {});

            Field keyDirectObjectField = aeClass.getDeclaredField("keyDirectObject");
            keyDirectObject = (Integer) keyDirectObjectField.get(null);
            Field autoGenerateReturnIDField = appleEventClass.getDeclaredField("kAutoGenerateReturnID");
            kAutoGenerateReturnID = (Integer) autoGenerateReturnIDField.get(null);
            Field anyTransactionIDField = appleEventClass.getDeclaredField("kAnyTransactionID");
            kAnyTransactionID = (Integer) anyTransactionIDField.get(null);
        } catch (ClassNotFoundException cnfe) {
            errorMessage = cnfe.getMessage();
            return false;
        } catch (NoSuchMethodException nsme) {
            errorMessage = nsme.getMessage();
            return false;
        } catch (NoSuchFieldException nsfe) {
            errorMessage = nsfe.getMessage();
            return false;
        } catch (IllegalAccessException iae) {
            errorMessage = iae.getMessage();
            return false;
        }
        break;

    case MRJ_2_1:
        try {
            mrjFileUtilsClass = Class.forName("com.apple.mrj.MRJFileUtils");
            mrjOSTypeClass = Class.forName("com.apple.mrj.MRJOSType");
            Field systemFolderField = mrjFileUtilsClass.getDeclaredField("kSystemFolderType");
            kSystemFolderType = systemFolderField.get(null);
            findFolder = mrjFileUtilsClass.getDeclaredMethod("findFolder", new Class[] { mrjOSTypeClass });
            getFileCreator = mrjFileUtilsClass.getDeclaredMethod("getFileCreator", new Class[] { File.class });
            getFileType = mrjFileUtilsClass.getDeclaredMethod("getFileType", new Class[] { File.class });
        } catch (ClassNotFoundException cnfe) {
            errorMessage = cnfe.getMessage();
            return false;
        } catch (NoSuchFieldException nsfe) {
            errorMessage = nsfe.getMessage();
            return false;
        } catch (NoSuchMethodException nsme) {
            errorMessage = nsme.getMessage();
            return false;
        } catch (SecurityException se) {
            errorMessage = se.getMessage();
            return false;
        } catch (IllegalAccessException iae) {
            errorMessage = iae.getMessage();
            return false;
        }
        break;

    case MRJ_3_0:
        try {
            Class linker = Class.forName("com.apple.mrj.jdirect.Linker");
            Constructor constructor = linker.getConstructor(new Class[] { Class.class });
            linkage = constructor.newInstance(new Object[] { Browser.class });
        } catch (ClassNotFoundException cnfe) {
            errorMessage = cnfe.getMessage();
            return false;
        } catch (NoSuchMethodException nsme) {
            errorMessage = nsme.getMessage();
            return false;
        } catch (InvocationTargetException ite) {
            errorMessage = ite.getMessage();
            return false;
        } catch (InstantiationException ie) {
            errorMessage = ie.getMessage();
            return false;
        } catch (IllegalAccessException iae) {
            errorMessage = iae.getMessage();
            return false;
        }
        break;

    case MRJ_3_1:
        try {
            mrjFileUtilsClass = Class.forName("com.apple.mrj.MRJFileUtils");
            openURL = mrjFileUtilsClass.getDeclaredMethod("openURL", new Class[] { String.class });
        } catch (ClassNotFoundException cnfe) {
            errorMessage = cnfe.getMessage();
            return false;
        } catch (NoSuchMethodException nsme) {
            errorMessage = nsme.getMessage();
            return false;
        }
        break;

    default:
        break;
    }
    return true;
}

From source file:fxts.stations.util.BrowserLauncher.java

/**
 * Called by a static initializer to load any classes, fields, and methods required at runtime
 * to locate the user's web browser.//ww w.  ja  v  a 2  s  .  com
 *
 * @return <code>true</code> if all intialization succeeded
 *         <code>false</code> if any portion of the initialization failed
 */
private static boolean loadClasses() {
    switch (jvm) {
    case MRJ_2_0:
        try {
            Class aeTargetClass = Class.forName("com.apple.MacOS.AETarget");
            Class osUtilsClass = Class.forName("com.apple.MacOS.OSUtils");
            Class appleEventClass = Class.forName("com.apple.MacOS.AppleEvent");
            Class aeClass = Class.forName("com.apple.MacOS.ae");
            aeDescClass = Class.forName("com.apple.MacOS.AEDesc");
            aeTargetConstructor = aeTargetClass.getDeclaredConstructor(new Class[] { int.class });
            appleEventConstructor = appleEventClass.getDeclaredConstructor(
                    new Class[] { int.class, int.class, aeTargetClass, int.class, int.class });
            aeDescConstructor = aeDescClass.getDeclaredConstructor(new Class[] { String.class });
            makeOSType = osUtilsClass.getDeclaredMethod("makeOSType", new Class[] { String.class });
            putParameter = appleEventClass.getDeclaredMethod("putParameter",
                    new Class[] { int.class, aeDescClass });
            sendNoReply = appleEventClass.getDeclaredMethod("sendNoReply", new Class[] {});
            Field keyDirectObjectField = aeClass.getDeclaredField("keyDirectObject");
            keyDirectObject = (Integer) keyDirectObjectField.get(null);
            Field autoGenerateReturnIDField = appleEventClass.getDeclaredField("kAutoGenerateReturnID");
            kAutoGenerateReturnID = (Integer) autoGenerateReturnIDField.get(null);
            Field anyTransactionIDField = appleEventClass.getDeclaredField("kAnyTransactionID");
            kAnyTransactionID = (Integer) anyTransactionIDField.get(null);
        } catch (ClassNotFoundException cnfe) {
            errorMessage = cnfe.getMessage();
            return false;
        } catch (NoSuchMethodException nsme) {
            errorMessage = nsme.getMessage();
            return false;
        } catch (NoSuchFieldException nsfe) {
            errorMessage = nsfe.getMessage();
            return false;
        } catch (IllegalAccessException iae) {
            errorMessage = iae.getMessage();
            return false;
        }
        break;
    case MRJ_2_1:
        try {
            mrjFileUtilsClass = Class.forName("com.apple.mrj.MRJFileUtils");
            mrjOSTypeClass = Class.forName("com.apple.mrj.MRJOSType");
            Field systemFolderField = mrjFileUtilsClass.getDeclaredField("kSystemFolderType");
            kSystemFolderType = systemFolderField.get(null);
            findFolder = mrjFileUtilsClass.getDeclaredMethod("findFolder", new Class[] { mrjOSTypeClass });
            getFileCreator = mrjFileUtilsClass.getDeclaredMethod("getFileCreator", new Class[] { File.class });
            getFileType = mrjFileUtilsClass.getDeclaredMethod("getFileType", new Class[] { File.class });
        } catch (ClassNotFoundException cnfe) {
            errorMessage = cnfe.getMessage();
            return false;
        } catch (NoSuchFieldException nsfe) {
            errorMessage = nsfe.getMessage();
            return false;
        } catch (NoSuchMethodException nsme) {
            errorMessage = nsme.getMessage();
            return false;
        } catch (SecurityException se) {
            errorMessage = se.getMessage();
            return false;
        } catch (IllegalAccessException iae) {
            errorMessage = iae.getMessage();
            return false;
        }
        break;
    case MRJ_3_0:
        try {
            Class linker = Class.forName("com.apple.mrj.jdirect.Linker");
            Constructor constructor = linker.getConstructor(new Class[] { Class.class });
            linkage = constructor.newInstance(new Object[] { BrowserLauncher.class });
        } catch (ClassNotFoundException cnfe) {
            errorMessage = cnfe.getMessage();
            return false;
        } catch (NoSuchMethodException nsme) {
            errorMessage = nsme.getMessage();
            return false;
        } catch (InvocationTargetException ite) {
            errorMessage = ite.getMessage();
            return false;
        } catch (InstantiationException ie) {
            errorMessage = ie.getMessage();
            return false;
        } catch (IllegalAccessException iae) {
            errorMessage = iae.getMessage();
            return false;
        }
        break;
    case MRJ_3_1:
        try {
            mrjFileUtilsClass = Class.forName("com.apple.mrj.MRJFileUtils");
            openURL = mrjFileUtilsClass.getDeclaredMethod("openURL", new Class[] { String.class });
        } catch (ClassNotFoundException cnfe) {
            errorMessage = cnfe.getMessage();
            return false;
        } catch (NoSuchMethodException nsme) {
            errorMessage = nsme.getMessage();
            return false;
        }
        break;
    default:
        break;
    }
    return true;
}

From source file:com.taobao.adfs.util.Utilities.java

public static Field getField(Class<?> clazz, String fieldName) throws IOException {
    if (clazz == null)
        throw new IOException("clazz is null");
    if (fieldName == null)
        throw new IOException("fieldName is null");
    if (fieldName.isEmpty())
        throw new IOException("fieldName is empty");
    Field field = null;/*w  ww. j ava2s .  c om*/
    try {
        field = clazz.getDeclaredField(fieldName);
    } catch (Throwable t0) {
        try {
            field = clazz.getField(fieldName);
        } catch (Throwable t1) {
            if (clazz.getSuperclass() != null) {
                field = getField(clazz.getSuperclass(), fieldName);
            } else
                throw new IOException("fail to get field for " + clazz.getName() + "." + fieldName, t1);
        }
    }
    field.setAccessible(true);
    return field;
}

From source file:com.db2eshop.gui.component.table.api.GenericTable.java

/**
 * <p>//from  w  w  w .  j  av  a  2s  .c  o m
 * asTableData.
 * </p>
 *
 * @param entity
 *            a T object.
 * @return an array of {@link java.lang.Object} objects.
 */
protected Object[] asTableData(T entity) {
    if (entity == null) {
        throw new RuntimeException("Entity cannot be null");
    }
    if (columnNames == null) {
        throw new RuntimeException("Entity extraction fields cannot be null");
    }

    Object[] data = new Object[columnNames.length];
    int index = 0;
    Class<?> entityClass = entity.getClass();
    for (String field : columnNames) {
        try {
            Object object = ClassUtil.getValueOf(field, entity, entityClass,
                    entityClass.getDeclaredField(field).getType());
            if (object != null && AbstractModel.class.isAssignableFrom(object.getClass())) {
                if (object instanceof AbstractModel) {
                    object = ((AbstractModel<?>) object).getId();
                } else if (object instanceof String) {
                    log.error("Target was entity but found String " + object);
                }
            } else if (object != null && object instanceof Date) {
                object = DateUtil.asString((Date) object);
            }
            data[index] = object;
        } catch (Exception e) {
            log.error("Field " + field + " could not been found", e);
            data[index] = e.getMessage();
        }
        index++;
    }
    return data;
}

From source file:com.glaf.core.util.ReflectUtils.java

public static void setFieldValue(Object target, String name, Class<?> type, Object value) {
    if (target == null || StringUtils.isEmpty(name)
            || (value != null && !type.isAssignableFrom(value.getClass()))) {
        return;/*from  w  w w .  ja v a 2s . c om*/
    }
    Class<?> clazz = target.getClass();
    try {
        Method method = clazz
                .getDeclaredMethod("set" + Character.toUpperCase(name.charAt(0)) + name.substring(1), type);
        if (!Modifier.isPublic(method.getModifiers())) {
            method.setAccessible(true);
        }
        method.invoke(target, value);
    } catch (Exception ex) {
        if (LogUtils.isDebug()) {
            logger.debug(ex);
        }
        try {
            Field field = clazz.getDeclaredField(name);
            if (!Modifier.isPublic(field.getModifiers())) {
                field.setAccessible(true);
            }
            field.set(target, value);
        } catch (Exception e) {
            if (LogUtils.isDebug()) {
                logger.debug(e);
            }
        }
    }
}

From source file:com.thesett.util.validation.core.JsonSchemaConstraintMapping.java

/**
 * Creates constraints against a field, matching those found in a json schema.
 *
 * @param propertyContext  The context of the field to create constraints for.
 * @param javaPropertyName The name of the property that constraints are being added to.
 * @param jsonPropertyName The name of the property in the json-schema.
 * @param value            The json schema definition for the field, to take additional constraints from.
 * @param type             The type of the class that property constraints are being added to.
 *///from w w  w .  ja v a  2  s.  c o  m
private void addConstraints(PropertyConstraintMappingContext propertyContext, String javaPropertyName,
        String jsonPropertyName, JsonSchema value, Class type) {
    convertMinimum(propertyContext, value);
    convertMaximum(propertyContext, value);
    convertMaxLength(propertyContext, value);
    convertMinLength(propertyContext, value);
    convertPattern(propertyContext, value);
    convertTitle(propertyContext, value);
    convertDescription(propertyContext, value);

    if (SchemaType.OBJECT.equals(value.getType())) {
        Class<?> fieldClass = null;

        try {
            fieldClass = type.getDeclaredField(javaPropertyName).getType();
        } catch (NoSuchFieldException e) {
            throw new ValidationException("No matching field found with name: " + javaPropertyName, e);
        }

        propertyContext.valid();

        addSchema(fieldClass, value);
    }
}

From source file:com.google.api.ads.adwords.awreporting.model.persistence.sql.SqlReportEntitiesPersister.java

private <T> Field getField(Class<T> classT, String fieldName) throws NoSuchFieldException {
    try {/*  w  w  w. j  a va 2 s  . com*/
        return classT.getDeclaredField(fieldName);
    } catch (NoSuchFieldException e) {
        Class<? super T> superClass = classT.getSuperclass();
        if (superClass == null) {
            throw e;
        } else {
            return getField(superClass, fieldName);
        }
    }
}

From source file:me.piebridge.bible.Bible.java

public static Object getField(Object object, final Class<?> clazz, final String fieldName) {
    try {/*ww  w .ja  v a 2s.c  o  m*/
        Field field = clazz.getDeclaredField(fieldName);
        field.setAccessible(true);
        return field.get(object);
    } catch (Exception e) {
        Log.e(TAG, "no such filed " + object.getClass().getName() + "." + fieldName);
    }
    return null;
}