Example usage for java.lang.reflect Field set

Introduction

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

Prototype

@CallerSensitive
@ForceInline 
public void set(Object obj, Object value) throws IllegalArgumentException, IllegalAccessException 

Source Link

Document

Sets the field represented by this Field object on the specified object argument to the specified new value.

Usage

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

/**
 * , private/protected, ??setter. ignoreNotFond-not found
 * fieldName/*from w ww  .ja v  a  2 s  .  co  m*/
 */
public static void setFieldValue(final Object obj, final String fieldName, final Object value,
        boolean ignoreNotFond) {
    Field field = getAccessibleField(obj, fieldName);

    if (field == null) {
        if (ignoreNotFond) {
            return;
        } else {
            throw new IllegalArgumentException("Could not find field [" + fieldName + ERROR_BLOCK + obj + "]");
        }
    }

    try {
        field.set(obj, value);
    } catch (IllegalAccessException e) {
        logger.error("??:{}", e.getMessage());
    }
}

---

From source file:edu.usu.sdl.openstorefront.core.util.EntityUtil.java

/**
 * This will set default on the fields that are marked with a default and
 * are null//  w ww . j a  v a2s  . co m
 *
 * @param entity
 */
public static void setDefaultsOnFields(Object entity) {
    Objects.requireNonNull(entity, "Entity must not be NULL");
    List<Field> fields = getAllFields(entity.getClass());
    for (Field field : fields) {
        DefaultFieldValue defaultFieldValue = field.getAnnotation(DefaultFieldValue.class);
        if (defaultFieldValue != null) {
            field.setAccessible(true);
            try {
                if (field.get(entity) == null) {
                    String value = defaultFieldValue.value();
                    Class fieldClass = field.getType();
                    if (fieldClass.getSimpleName().equalsIgnoreCase(String.class.getSimpleName())) {
                        field.set(entity, value);
                    } else if (fieldClass.getSimpleName().equalsIgnoreCase(Long.class.getSimpleName())) {
                        field.set(entity, value);
                    } else if (fieldClass.getSimpleName().equalsIgnoreCase(Integer.class.getSimpleName())) {
                        field.set(entity, Integer.parseInt(value));
                    } else if (fieldClass.getSimpleName().equalsIgnoreCase(Boolean.class.getSimpleName())) {
                        field.set(entity, Convert.toBoolean(value));
                    } else if (fieldClass.getSimpleName().equalsIgnoreCase(Double.class.getSimpleName())) {
                        field.set(entity, Double.parseDouble(value));
                    } else if (fieldClass.getSimpleName().equalsIgnoreCase(Float.class.getSimpleName())) {
                        field.set(entity, Float.parseFloat(value));
                    } else if (fieldClass.getSimpleName().equalsIgnoreCase(BigDecimal.class.getSimpleName())) {
                        field.set(entity, Convert.toBigDecimal(value));
                    } else if (fieldClass.getSimpleName().equalsIgnoreCase(Date.class.getSimpleName())) {
                        field.set(entity, TimeUtil.fromString(value));
                    } else if (fieldClass.getSimpleName().equalsIgnoreCase(BigInteger.class.getSimpleName())) {
                        field.set(entity, new BigInteger(value));
                    }
                }
            } catch (IllegalArgumentException | IllegalAccessException ex) {
                throw new OpenStorefrontRuntimeException(
                        "Unable to get value on " + entity.getClass().getName(), "Check entity passed in.");
            }
        }
    }
}

---

From source file:com.smart.utils.ReflectionUtils.java

/**
 * ,private/protected,??setter./*  www. j  ava 2 s. co m*/
 */
public static void setFieldValue(final Object object, final String fieldName, final Object value) {
    Field field = getDeclaredField(object, fieldName);
    if (field == null)
        throw new IllegalArgumentException(
                "Could not find field [" + fieldName + "] on target [" + object + "]");
    makeAccessible(field);
    try {
        field.set(object, value);
    } catch (IllegalAccessException e) {
        logger.error("??:{}", e);
    }
}

---

From source file:at.ac.tuwien.infosys.jcloudscale.utility.ReflectionUtil.java

public static void injectCloudId(Object obj, UUID id) {

    for (Field f : obj.getClass().getDeclaredFields()) {
        if (f.getAnnotation(CloudObjectId.class) != null) {

            f.setAccessible(true);//from  www .ja  va  2s .  c  o m
            try {
                if (f.getType().equals(String.class))
                    f.set(obj, id.toString());
                else
                    f.set(obj, id);
            } catch (Exception e) {
                e.printStackTrace();
                throw new JCloudScaleException(e, "Unexpected error when injecting @CloudObjectId");
            }

        }
    }

}

---

From source file:at.ac.tuwien.infosys.jcloudscale.utility.ReflectionUtil.java

@SuppressWarnings("unchecked")
public static void addInvocationInfo(Object obj, InvocationInfo info) {

    if (obj == null)
        return;//from  w w w . j a v a2s .c om

    for (Field f : obj.getClass().getDeclaredFields()) {
        if (f.getAnnotation(CloudInvocationInfos.class) != null) {

            try {
                f.setAccessible(true);
                if (f.get(obj) == null)
                    f.set(obj, new LinkedList<InvocationInfo>());
                ((List<InvocationInfo>) f.get(obj)).add(info);
            } catch (Exception e) {
                e.printStackTrace();
                throw new JCloudScaleException(e, "Unexpected error when injecting into @CloudInvocationInfos");
            }

        }
    }

}

---

From source file:com.ericsson.eif.hansoft.HansoftManager.java

/**
 * Hansoft adapter properties from adapter.properties
 * @param servletContext/*  w ww  .  j  ava2  s.  c om*/
 */
private static void init(ServletContext servletContext) {

    Properties props = new Properties();
    try {
        PROVIDER_CONTEXT_PATH = servletContext.getContextPath();
        if (PROVIDER_CONTEXT_PATH.isEmpty()) {
            String message = "No servlet context name provided, will exit.";
            logger.error(message);
            throw new RuntimeException(message);
        }

        String adapterHome = System.getenv("ADAPTER_HOME");
        if (adapterHome == null) {
            // default to user home
            adapterHome = System.getProperty("user.home");
        }

        // The PROVIDER_CONTEXT_PATH has a beginning "/" - remove
        String contextPath = PROVIDER_CONTEXT_PATH.substring(1);
        adapterServletHome = adapterHome + File.separator + contextPath;

        // Need the properties file - if not found, exit
        try {
            File propsPath = new File(adapterServletHome + File.separator + "adapter.properties");
            if (propsPath.exists()) {
                props.load(new FileInputStream(propsPath.toString()));
            } else {
                String message = "The adapter.properties file not found, will exit.";
                logger.error(message);
                throw new RuntimeException(message);
            }
        } catch (Exception e) {
            String message = "Failed to read the adapter.properties file, will exit.";
            logger.error(message, e);
            throw new RuntimeException(message);
        }

        // It is ok not having a log4j configuration file, but recommended
        try {
            File log4jPropsPath = new File(adapterServletHome + File.separator + "log4j.properties");
            if (log4jPropsPath.exists()) {
                // Allow using adapter home path in log4j file
                System.setProperty("hansoft.adapter_servlet_home", adapterServletHome);
                PropertyConfigurator.configure(log4jPropsPath.getPath());
            } else {
                logger.warn("The log4j.properties file not found.");
            }
        } catch (Exception e) {
            logger.warn("Failed to read the log4j.properties file.", e);
        }

        logger.info("Initialize of Hansoft adapter started ...");

        // We need to set the JNI path early, and failed when trying to
        // pass as input argument. Solution as below is working:
        //
        // From
        // http://blog.cedarsoft.com/2010/11/setting-java-library-path-programmatically/
        //
        // At first the system property is updated with the new value.
        // This might be a relative path  or maybe you want to create that
        // path dynamically.
        //
        // The Classloader has a static field (sys_paths) that contains the
        // paths. If that field is set to null, it is initialized
        // automatically. Therefore forcing that field to null will result
        // into the reevaluation of the library path as soon as
        // loadLibrary() is called
        hansoftSDKVersion = props.getProperty("hansoft_sdk_version", "").trim();
        if (hansoftSDKVersion == "") {
            String message = "SDK version not set, will exit.";
            logger.error(message);
            throw new RuntimeException(message);
        }

        try {
            hansoftLib = adapterHome + File.separator + "hansoft_libs" + File.separator + hansoftSDKVersion;
            File libPath = new File(hansoftLib);
            if (libPath.exists()) {
                System.setProperty("java.library.path", libPath.toString());
                Field fieldSysPath = ClassLoader.class.getDeclaredField("sys_paths");
                fieldSysPath.setAccessible(true);
                fieldSysPath.set(null, null);
            } else {
                String message = "Hansoft libs for SDK version: " + hansoftSDKVersion
                        + " not found, will exit.";
                logger.error(message);
                throw new RuntimeException(message);
            }
        } catch (Exception e) {
            String message = "Failed configuring path for libs for SDK version: " + hansoftSDKVersion
                    + ", will exit.";
            logger.error(message);
            throw new RuntimeException(message);
        }

        hansoftWorkingDir = props.getProperty("hansoft_working_dir", "").trim();
        hansoftChangeLogDir = props.getProperty("hansoft_change_log_dir", "").trim();
        hansoftLogDir = props.getProperty("hansoft_log_dir", "").trim();
        hansoftServer = props.getProperty("hansoft_server", "").trim();
        hansoftPort = Integer.parseInt(props.getProperty("hansoft_port", "-1"));
        hansoftDatabase = props.getProperty("hansoft_database", "").trim();
        hansoftSDK = props.getProperty("hansoft_sdk_user", "").trim();
        hansoftSDKPassword = props.getProperty("hansoft_sdk_password", "").trim();
        hansoftAdapterServer = props.getProperty("hansoft_adapter_server", "").trim();
        hansoftAdapterServerScheme = props.getProperty("hansoft_adapter_server_scheme", "http").trim();
        hansoftAdapterServerPort = props.getProperty("hansoft_adapter_server_port", "8080").trim();
        validate_h2h_config = props.getProperty("validate_h2h_config", "false").trim();
        h2h_config_validation_output_to_file = props.getProperty("h2h_config_validation_output_to_file", "true")
                .trim();
        h2h_config_validation_output_on_screen = props
                .getProperty("h2h_config_validation_output_on_screen", "true").trim();

        OSLC_BACKLINK_COL_NAME = props.getProperty("hansoft_backlink", "OSLC Reference").trim();
        String FPs = props.getProperty("hansoft_fps", "").trim();
        setHansoftFPs(FPs);

        logger.log(Level.INFO, "Property hansoft_adapter_server = " + hansoftAdapterServer);
        logger.log(Level.INFO, "Property hansoft_adapter_server_scheme = " + hansoftAdapterServerScheme);
        logger.log(Level.INFO, "Property hansoft_adapter_server_port = " + hansoftAdapterServerPort);
        logger.log(Level.INFO, "Property hansoft_working_dir = " + hansoftWorkingDir);
        logger.log(Level.INFO, "Property hansoft_change_log_dir = " + hansoftChangeLogDir);
        logger.log(Level.INFO, "Property hansoft_log_dir = " + hansoftLogDir);
        logger.log(Level.INFO, "Property hansoft_server = " + hansoftServer);
        logger.log(Level.INFO, "Property hansoft_port = " + hansoftPort);
        logger.log(Level.INFO, "Property hansoft_database = " + hansoftDatabase);
        logger.log(Level.INFO, "Property hansoft_sdk_user = " + hansoftSDK);
        logger.log(Level.INFO, "Property hansoft_sdk_version = " + hansoftSDKVersion);
        logger.log(Level.INFO, "Property validate_h2h_config = " + validate_h2h_config);
        logger.log(Level.INFO,
                "Property h2h_config_validation_output_to_file = " + h2h_config_validation_output_to_file);
        logger.log(Level.INFO,
                "Property h2h_config_validation_output_on_screen = " + h2h_config_validation_output_on_screen);

        getMainSession();
        loadH2HConfiguration();
        if (validate_h2h_config.equalsIgnoreCase("true")) {
            validateH2Hconfiguration();
        }

        QSchedule.getInstance();

    } catch (SecurityException | IllegalArgumentException | HPMSdkException | HPMSdkJavaException e) {
        logger.error("Failed during static init of Hansoft Adapter", e);
    }
}

---

From source file:com.nerve.commons.repository.utils.reflection.ReflectionUtils.java

/**
 * , private/protected, ??setter.//  w  ww .j a va2 s . c o  m
 */
public static void setFieldValue(final Object obj, final String fieldName, final Object value) {
    Field field = getAccessibleField(obj, fieldName);

    if (field == null) {
        throw new IllegalArgumentException("Could not find field [" + fieldName + "] on target [" + obj + "]");
    }

    try {
        field.set(obj, value);
    } catch (IllegalAccessException e) {
        e.printStackTrace();
        logger.error("??:{}", e.getMessage());
    }
}

---

From source file:at.ac.tuwien.infosys.jcloudscale.utility.ReflectionUtil.java

public static void injectEventSink(Object obj) {

    for (Field f : obj.getClass().getDeclaredFields()) {
        if (f.getAnnotation(EventSink.class) != null) {

            f.setAccessible(true);//from www .  jav  a  2s . com
            if (IEventSink.class.isAssignableFrom(f.getType()))
                try {
                    f.set(obj, new DefaultEventSink());
                } catch (Exception e) {
                    throw new JCloudScaleException(e, "Unexpected error when injecting into @EventSink");
                }
            else
                throw new JCloudScaleException("Cannot inject event sink into field " + f.getName() + ". "
                        + "Type needs to be IEventSink, but is " + f.getType().getCanonicalName());

        }
    }

}

---

From source file:com.app.test.BaseTestCase.java

protected static void _initializeVelocityTemplate(Class clazz, Object classInstance) throws Exception {

    Field velocityEngine = clazz.getDeclaredField("_velocityEngine");

    velocityEngine.setAccessible(true);/*from  www.  ja v a  2  s .  com*/

    VelocityEngineFactoryBean velocityEngineFactoryBean = new VelocityEngineFactoryBean();

    Map<String, Object> velocityPropertiesMap = new HashMap<>();

    velocityPropertiesMap.put("resource.loader", "class");
    velocityPropertiesMap.put("class.resource.loader.class",
            "org.apache.velocity.runtime.resource.loader." + "ClasspathResourceLoader");

    velocityEngineFactoryBean.setVelocityPropertiesMap(velocityPropertiesMap);

    velocityEngine.set(classInstance, velocityEngineFactoryBean.createVelocityEngine());
}

---

From source file:com.aliyun.odps.ship.upload.BlockRecordReaderTest.java

public static void setSystemDefaultCharset(String s) throws NoSuchFieldException, IllegalAccessException {
    System.setProperty("file.encoding", s);
    Field charset = Charset.class.getDeclaredField("defaultCharset");
    charset.setAccessible(true);/*from w  ww .ja v a 2 s.  co m*/
    charset.set(null, null);
}

---

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