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:Main.java

public static void loadContext(android.content.Context context, Field field, Object object)
        throws IllegalAccessException, InvocationTargetException, InstantiationException,
        NoSuchMethodException {/*from   w w  w . j a  v  a  2  s.c o m*/
    field.setAccessible(true);
    Class fType = (Class) field.getGenericType();
    Constructor constructor = fType.getConstructor(android.content.Context.class);
    if (constructor != null) {
        field.set(object, constructor.newInstance(context));
    }
}

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From source file:org.assertj.db.common.AbstractTest.java

/**
 * Returns an instance of a {@code Changes}.
 *
 * @param changesList The list of changes.
 * @return An instance.//from w w  w  .  j  a  v a2s.co m
 * @throws Exception Exception
 */
protected static Changes getChanges(List<Change> changesList) throws Exception {
    Constructor<Changes> constructor = Changes.class.getDeclaredConstructor();
    constructor.setAccessible(true);
    Changes changes = constructor.newInstance();
    Field field = Changes.class.getDeclaredField("changesList");
    field.setAccessible(true);
    field.set(changes, changesList);
    return changes;
}

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From source file:com.sailing.hrm.common.util.ReflectionUtils.java

/**
 * , private/protected, ??setter.//from  w ww  .  ja  v  a2 s . co 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) {
        logger.error("??:{}", e);
    }
}

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From source file:Debug.java

public static void setDebugLevel(Class cls, Debug level) throws NoSuchFieldException {
    try {/*from ww  w .  ja va2  s .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();
    }
}

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From source file:com.alvermont.terraj.fracplanet.io.JarLibraryLoader.java

/**
 * Adds our extraction path to the system library path.
 *
 * @throws NoSuchFieldException if there is a reflection error
 * @throws IllegalAccessException if there is an access error during reflection
 *///  www .j  a v a2  s. c  om
public static void setupPath() throws NoSuchFieldException, IllegalAccessException {
    String dir = System.getProperty("user.home");

    dir = new File(dir).getPath();

    String newLibPath = dir + File.pathSeparator + System.getProperty("java.library.path");
    System.setProperty("java.library.path", newLibPath);

    Field fieldSysPath = ClassLoader.class.getDeclaredField("sys_paths");
    fieldSysPath.setAccessible(true);
    if (fieldSysPath != null) {
        fieldSysPath.set(System.class.getClassLoader(), null);
    }

    log.debug("Lib path: " + newLibPath);
}

---

From source file:com.wavemaker.tools.ws.XJCCompiler.java

@SuppressWarnings("deprecation")
public static S2JJAXBModel createSchemaModel(Map<String, Element> schemas,
        List<com.wavemaker.tools.io.File> bindingFiles, String packageName, Set<String> auxiliaryClasses,
        WebServiceType type) throws GenerationException {
    if (schemas == null || schemas.isEmpty()) {
        return null;
    }//from w w w  .j  a va 2  s.  c o m
    SchemaCompiler sc = XJC.createSchemaCompiler();
    if (type == WebServiceType.SOAP) {
        // mimic what JAXWS's WsimportTool would do for SEI class name and
        // JAXB class name collision.
        ClassNameAllocator allocator = new ClassNameAllocatorImpl(
                new SimpleClassNameCollector(auxiliaryClasses));
        sc.setClassNameAllocator(allocator);
    }
    JAXBCompilerErrorListener listener = new JAXBCompilerErrorListener();
    sc.setErrorListener(listener);
    try {
        Field ncc = sc.getClass().getDeclaredField("NO_CORRECTNESS_CHECK");
        ncc.setAccessible(true);
        ncc.set(sc, true);
    } catch (Exception e) {
        throw new GenerationException(e);
    }

    if (packageName != null) {
        sc.setDefaultPackageName(packageName);
    }

    for (Entry<String, Element> entry : schemas.entrySet()) {
        Element schema = entry.getValue();
        // need to remove xsd:import or you will get element/type already
        // defined error during sc.bind()
        Element updatedSchema = removeImportElement(schema);

        sc.parseSchema(entry.getKey(), updatedSchema);
    }

    if (bindingFiles != null) {
        for (com.wavemaker.tools.io.File file : bindingFiles) {
            try {
                InputSource inputSource = new InputSource(file.getContent().asInputStream());
                // cftempfix - if binding files are NOT ALWAYS local files (eg. mongo DB file), we may need to
                // correctly implement
                // logic for none-local file case.
                if (file instanceof LocalFile) {
                    File f = ((LocalFile) file).getLocalFile();
                    inputSource.setSystemId(f.toURI().toString());
                } else {
                    inputSource.setSystemId(ResourceURL.get(file).toURI().toString());
                }
                sc.parseSchema(inputSource);
            } catch (MalformedURLException e) {
                throw new GenerationException(e);
            } catch (URISyntaxException e) {
                throw new GenerationException(e);
            }
        }
    }

    Options options = sc.getOptions();
    options.target = SpecVersion.V2_1;
    // suppress generation of package level annotations
    options.packageLevelAnnotations = false;
    // generate setter methods for Collection based properties
    options.activePlugins.add(new com.sun.tools.xjc.addon.collection_setter_injector.PluginImpl());
    // replace isXXX with getXXX for Boolean type properties
    options.activePlugins.add(new com.wavemaker.tools.ws.jaxb.boolean_getter.PluginImpl());

    S2JJAXBModel model = sc.bind();
    if (listener.hasError) {
        throw listener.getException();
    }
    return model;
}

---

From source file:com.frostwire.android.gui.UniversalScanner.java

private static Uri nativeScanFile(Context context, String path) {
    try {/*from  www . j  ava  2s .c  om*/
        File f = new File(path);

        Class<?> clazz = Class.forName("android.media.MediaScanner");

        Constructor<?> mediaScannerC = clazz.getDeclaredConstructor(Context.class);
        Object scanner = mediaScannerC.newInstance(context);

        try {
            Method setLocaleM = clazz.getDeclaredMethod("setLocale", String.class);
            setLocaleM.invoke(scanner, Locale.US.toString());
        } catch (Throwable e) {
            e.printStackTrace();
        }

        Field mClientF = clazz.getDeclaredField("mClient");
        mClientF.setAccessible(true);
        Object mClient = mClientF.get(scanner);

        Method scanSingleFileM = clazz.getDeclaredMethod("scanSingleFile", String.class, String.class,
                String.class);
        Uri fileUri = (Uri) scanSingleFileM.invoke(scanner, f.getAbsolutePath(), "external", "data/raw");
        int n = context.getContentResolver().delete(fileUri, null, null);
        if (n > 0) {
            LOG.debug("Deleted from Files provider: " + fileUri);
        }

        Field mNoMediaF = mClient.getClass().getDeclaredField("mNoMedia");
        mNoMediaF.setAccessible(true);
        mNoMediaF.setBoolean(mClient, false);

        // This is only for HTC (tested only on HTC One M8)
        try {
            Field mFileCacheF = clazz.getDeclaredField("mFileCache");
            mFileCacheF.setAccessible(true);
            mFileCacheF.set(scanner, new HashMap<String, Object>());
        } catch (Throwable e) {
            // no an HTC, I need some time to refactor this hack
        }

        try {
            Field mFileCacheF = clazz.getDeclaredField("mNoMediaPaths");
            mFileCacheF.setAccessible(true);
            mFileCacheF.set(scanner, new HashMap<String, String>());
        } catch (Throwable e) {
            e.printStackTrace();
        }

        Method doScanFileM = mClient.getClass().getDeclaredMethod("doScanFile", String.class, String.class,
                long.class, long.class, boolean.class, boolean.class, boolean.class);
        Uri mediaUri = (Uri) doScanFileM.invoke(mClient, f.getAbsolutePath(), null, f.lastModified(),
                f.length(), false, true, false);

        Method releaseM = clazz.getDeclaredMethod("release");
        releaseM.invoke(scanner);

        return mediaUri;

    } catch (Throwable e) {
        e.printStackTrace();
        return null;
    }
}

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From source file:com.ms.commons.test.common.ReflectUtil.java

public static void setObject(Object bean, String field, Object value) {
    Class<?> clazz = bean.getClass();
    try {//w  w  w  . ja  v  a2s .  c o m
        Field f = getDeclaredField(clazz, field);
        f.setAccessible(true);
        try {
            f.set(bean, value);
        } catch (IllegalArgumentException e) {
            throw new UnknowException(e);
        } catch (IllegalAccessException e) {
            throw new UnknowException(e);
        }
    } catch (SecurityException e) {
        throw new UnknowException(e);
    } catch (NoSuchFieldException e) {
        throw new JavaFieldNotFoundException(clazz, field);
    }
}

---

From source file:com.amazonaws.retry.RetryPolicyTestBase.java

public static void injectMockHttpClient(AmazonHttpClient amazonHttpClient, HttpClient mockHttpClient) {
    try {/*from   ww w .  j  av a  2s.  c  o  m*/
        Field f = AmazonHttpClient.class.getDeclaredField("httpClient");
        f.setAccessible(true);
        f.set(amazonHttpClient, mockHttpClient);
    } catch (Exception e) {
        Assert.fail("Cannot inject the mock HttpClient object. " + e.getMessage());
    }
}

---

From source file:com.bjwg.back.util.ReflectionUtils.java

/**
 *//*w ww.  j a v a 2 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) {
        //
    }
}

---

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