Example usage for java.lang.reflect Field set

List of usage examples for java.lang.reflect Field set

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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:jfix.util.Reflections.java

/**
 * Initializes all declared static string fields in given class with name of
 * fields.//from w w  w .  ja  v  a2  s .  c om
 */
public static void init(Class<?> clazz) {
    for (Field field : clazz.getDeclaredFields()) {
        field.setAccessible(true);
        try {
            field.set(null, field.getName());
        } catch (Exception e) {
        }
    }
}

From source file:io.cloudslang.content.database.services.databases.MSSqlDatabase.java

private static void setJavaLibraryPath(String sqlJdbcAuthFilePath) {
    String javaLibraryPath = System.getProperty(JAVA_LIBRARY_PATH);

    if (StringUtils.isEmpty(javaLibraryPath)) {
        javaLibraryPath = sqlJdbcAuthFilePath;
    } else {/*  w  w w . j  a v  a  2 s  . co  m*/
        javaLibraryPath = javaLibraryPath.substring(0, javaLibraryPath.length() - 1) + sqlJdbcAuthFilePath
                + System.getProperty(PATH_SEPARATOR) + CURRENT_DIRECTORY_NOTATION;
    }
    System.setProperty(JAVA_LIBRARY_PATH, javaLibraryPath);

    try {
        Field sysPathsField = ClassLoader.class.getDeclaredField(SYS_PATHS);
        sysPathsField.setAccessible(true);
        sysPathsField.set(null, null);
    } catch (NoSuchFieldException | IllegalAccessException e) {
        throw new RuntimeException(INACCESSIBLE_OR_INEXISTENT_SYS_PATHS_FIELD_EXCEPTION);
    }
}

From source file:com.xhsoft.framework.common.utils.ReflectUtil.java

/**
 * <p>Description:setFieldValue</p>
 * @param target/*  w  w w.java2s  . c  o m*/
 * @param fname
 * @param ftype
 * @param fvalue
 * @return void
 */
@SuppressWarnings("unchecked")
public static void setFieldValue(Object target, String fname, Class ftype, Object fvalue) {
    if (target == null || fname == null || "".equals(fname)
            || (fvalue != null && !ftype.isAssignableFrom(fvalue.getClass()))) {
        return;
    }

    Class clazz = target.getClass();

    try {
        Method method = clazz
                .getDeclaredMethod("set" + Character.toUpperCase(fname.charAt(0)) + fname.substring(1), ftype);

        if (!Modifier.isPublic(method.getModifiers())) {
            method.setAccessible(true);
        }

        method.invoke(target, fvalue);

    } catch (Exception me) {
        try {
            Field field = clazz.getDeclaredField(fname);

            if (!Modifier.isPublic(field.getModifiers())) {
                field.setAccessible(true);
            }

            field.set(target, fvalue);
        } catch (Exception fe) {

            if (logger.isDebugEnabled()) {
                logger.debug(fe);
            }
        }
    }
}

From source file:org.trpr.platform.batch.impl.spring.admin.repository.MapStepExecutionDao.java

private static void copy(final StepExecution sourceExecution, final StepExecution targetExecution) {
    // Cheaper than full serialization is a reflective field copy, which is
    // fine for volatile storage
    ReflectionUtils.doWithFields(StepExecution.class, new ReflectionUtils.FieldCallback() {
        @Override/*from  www  .j  a  v  a  2  s .  co  m*/
        public void doWith(Field field) throws IllegalArgumentException, IllegalAccessException {
            field.setAccessible(true);
            field.set(targetExecution, field.get(sourceExecution));
        }
    });
}

From source file:org.jongo.model.IdSpecSet.java

public static <T> T id(T specInstance, Object id) {
    Field field = idField(specInstance.getClass());
    try {//  w w w. ja va2  s. com
        field.setAccessible(true);
        if (ObjectId.class.isAssignableFrom(field.getType())) {
            field.set(specInstance, (ObjectId) id);
        } else {
            field.set(specInstance, id.toString());
        }
        return specInstance;
    } catch (Exception e) {
        throw new RuntimeException("could not set id field", e);
    }
}

From source file:com.microsoft.applicationinsights.internal.channel.common.ApacheSenderFactoryTest.java

private static ApacheSender createApacheSender(boolean isNewVersion)
        throws NoSuchFieldException, IllegalAccessException {
    Field field = ClassDataUtils.class.getDeclaredField("verifier");
    field.setAccessible(true);//from ww  w.j a  va  2  s  . co  m

    ClassDataVerifier mockVerifier = Mockito.mock(ClassDataVerifier.class);
    Mockito.doReturn(isNewVersion).when(mockVerifier).verifyClassExists(anyString());
    field.set(ClassDataUtils.INSTANCE, mockVerifier);

    ApacheSender sender = new ApacheSenderFactory().create();
    assertNotNull(sender);
    return sender;
}

From source file:com.github.piasy.biv.example.App.java

static void fixLeakCanary696(Context context) {
    if (!isEmui()) {
        Log.w(TAG, "not emui");
        return;// ww  w .j a  va2s  .co  m
    }
    try {
        Class clazz = Class.forName("android.gestureboost.GestureBoostManager");
        Log.w(TAG, "clazz " + clazz);

        Field _sGestureBoostManager = clazz.getDeclaredField("sGestureBoostManager");
        _sGestureBoostManager.setAccessible(true);
        Field _mContext = clazz.getDeclaredField("mContext");
        _mContext.setAccessible(true);

        Object sGestureBoostManager = _sGestureBoostManager.get(null);
        if (sGestureBoostManager != null) {
            _mContext.set(sGestureBoostManager, context);
        }
    } catch (Exception ignored) {
        ignored.printStackTrace();
    }
}

From source file:jp.co.acroquest.endosnipe.perfdoctor.rule.RuleInstanceUtil.java

/**
 * ??/*from   w  w w  . j a  v  a  2  s  . c  o m*/
 * @param obj ?
 * @param fieldName ??
 * @param value 
 * @throws RuleCreateException ???????
 */
protected static void setValue(final Object obj, final String fieldName, final String value)
        throws RuleCreateException {
    Class<? extends Object> clazz = obj.getClass();
    Object[] args = new Object[] { clazz.getCanonicalName(), fieldName, value };

    try {
        Field field = clazz.getField(fieldName);

        Object convertedValue = ConvertUtils.convert(value, field.getType());
        field.set(obj, convertedValue);
    } catch (NoSuchFieldException ex) {
        throw new RuleCreateException(PerfConstants.PROPERTY_NOT_FOUND, args);
    } catch (SecurityException ex) {
        throw new RuleCreateException(PerfConstants.PROPERTY_ERROR, args);
    } catch (IllegalArgumentException ex) {
        throw new RuleCreateException(PerfConstants.PROPERTY_TYPE_ERROR, args);
    } catch (IllegalAccessException ex) {
        throw new RuleCreateException(PerfConstants.PROPERTY_ACCESS_ERROR, args);
    }
}

From source file:Main.java

public static void fixInputMethodManagerLeak(Context context) {
    if (context == null) {
        return;/*from  w w w.jav a 2s  . c  om*/
    }

    try {
        InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
        if (imm == null) {
            return;
        }

        Field f_mCurRootView = imm.getClass().getDeclaredField("mCurRootView");
        Field f_mServedView = imm.getClass().getDeclaredField("mServedView");
        Field f_mNextServedView = imm.getClass().getDeclaredField("mNextServedView");

        f_mCurRootView.setAccessible(true);
        f_mCurRootView.set(imm, null);

        f_mServedView.setAccessible(true);
        f_mServedView.set(imm, null);

        f_mNextServedView.setAccessible(true);
        f_mNextServedView.set(imm, null);
    } catch (Throwable t) {
        t.printStackTrace();
    }
}

From source file:de.micromata.genome.gwiki.utils.ClassUtils.java

public static void populateBeanWithPuplicMembers(Object bean, Map<String, Object> reqMap) {
    Class<?> cls = bean.getClass();
    for (Map.Entry<String, Object> me : reqMap.entrySet()) {
        try {/*from w w w . j  av  a2s .c  om*/
            String s = getSetter(me.getKey());
            if (hasMethod(cls, s) == true) {
                BeanUtilsBean.getInstance().setProperty(bean, me.getKey(), me.getValue());
            } else {
                Field f;
                try {
                    f = cls.getField(me.getKey());
                    if (f != null) {
                        f.set(bean, convert(me.getValue(), f.getType()));
                    }
                } catch (NoSuchFieldException ex) {
                    continue;
                }
            }
        } catch (Exception ex) {
            throw new RuntimeException("Failure to set propert: " + me.getKey() + " in class: " + cls.getName()
                    + "; with value: " + me.getValue() + ";" + ex.getMessage(), ex);
        }
    }
}