Example usage for java.lang.reflect Field setAccessible

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

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Introduction

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

Prototype

@Override
@CallerSensitive
public void setAccessible(boolean flag)

Source Link

Usage

From source file:com.vk.sdk.api.model.ParseUtils.java

/**
* Parses object with follow rules://  w w  w  .j a  va2 s .co m
*
* 1. All fields should had a public access.
* 2. The name of the filed should be fully equal to name of JSONObject key.
* 3. Supports parse of all Java primitives, all {@link String},
* arrays of primitive types, {@link String}s and {@link com.vk.sdk.api.model.VKApiModel}s,
* list implementation line {@link com.vk.sdk.api.model.VKList}, {@link com.vk.sdk.api.model.VKAttachments.VKAttachment} or {@link com.vk.sdk.api.model.VKPhotoSizes},
* {@link com.vk.sdk.api.model.VKApiModel}s.
*
* 4. Boolean fields defines by vk_int == 1 expression.
* @param object object to initialize
* @param source data to read values
* @return initialized according with given data object
* @throws JSONException if source object structure is invalid
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
public static <T> T parseViaReflection(T object, JSONObject source) throws JSONException {
    if (source.has("response")) {
        source = source.optJSONObject("response");
    }
    if (source == null) {
        return object;
    }
    for (Field field : object.getClass().getFields()) {
        field.setAccessible(true);
        String fieldName = field.getName();
        Class<?> fieldType = field.getType();

        Object value = source.opt(fieldName);
        if (value == null) {
            continue;
        }
        try {
            if (fieldType.isPrimitive() && value instanceof Number) {
                Number number = (Number) value;
                if (fieldType.equals(int.class)) {
                    field.setInt(object, number.intValue());
                } else if (fieldType.equals(long.class)) {
                    field.setLong(object, number.longValue());
                } else if (fieldType.equals(float.class)) {
                    field.setFloat(object, number.floatValue());
                } else if (fieldType.equals(double.class)) {
                    field.setDouble(object, number.doubleValue());
                } else if (fieldType.equals(boolean.class)) {
                    field.setBoolean(object, number.intValue() == 1);
                } else if (fieldType.equals(short.class)) {
                    field.setShort(object, number.shortValue());
                } else if (fieldType.equals(byte.class)) {
                    field.setByte(object, number.byteValue());
                }
            } else {
                Object result = field.get(object);
                if (value.getClass().equals(fieldType)) {
                    result = value;
                } else if (fieldType.isArray() && value instanceof JSONArray) {
                    result = parseArrayViaReflection((JSONArray) value, fieldType);
                } else if (VKPhotoSizes.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKAttachments.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKList.class.equals(fieldType)) {
                    ParameterizedType genericTypes = (ParameterizedType) field.getGenericType();
                    Class<?> genericType = (Class<?>) genericTypes.getActualTypeArguments()[0];
                    if (VKApiModel.class.isAssignableFrom(genericType)
                            && Parcelable.class.isAssignableFrom(genericType)
                            && Identifiable.class.isAssignableFrom(genericType)) {
                        if (value instanceof JSONArray) {
                            result = new VKList((JSONArray) value, genericType);
                        } else if (value instanceof JSONObject) {
                            result = new VKList((JSONObject) value, genericType);
                        }
                    }
                } else if (VKApiModel.class.isAssignableFrom(fieldType) && value instanceof JSONObject) {
                    result = ((VKApiModel) fieldType.newInstance()).parse((JSONObject) value);
                }
                field.set(object, result);
            }
        } catch (InstantiationException e) {
            throw new JSONException(e.getMessage());
        } catch (IllegalAccessException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodException e) {
            throw new JSONException(e.getMessage());
        } catch (InvocationTargetException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodError e) {
            // ?????????? ???????:
            // ?? ?? ????????, ?? ? ????????? ???????? getFields() ???????? ??? ???.
            // ?????? ? ??????? ???????????, ????????? ?? ? ????????, ?????? Android ? ???????? ????????? ??????????.
            throw new JSONException(e.getMessage());
        }
    }
    return object;
}

From source file:com.vk.sdkweb.api.model.ParseUtils.java

/**
 * Parses object with follow rules:/*from   www .j  a  va2s .c o  m*/
 *
 * 1. All fields should had a public access.
 * 2. The name of the filed should be fully equal to name of JSONObject key.
 * 3. Supports parse of all Java primitives, all {@link java.lang.String},
 *  arrays of primitive types, {@link java.lang.String}s and {@link com.vk.sdkweb.api.model.VKApiModel}s,
 *  list implementation line {@link com.vk.sdkweb.api.model.VKList}, {@link com.vk.sdkweb.api.model.VKAttachments.VKAttachment} or {@link com.vk.sdkweb.api.model.VKPhotoSizes},
 *  {@link com.vk.sdkweb.api.model.VKApiModel}s.
 *
 * 4. Boolean fields defines by vk_int == 1 expression.
 *
 * @param object object to initialize
 * @param source data to read values
 * @param <T> type of result
 * @return initialized according with given data object
 * @throws JSONException if source object structure is invalid
 */
@SuppressWarnings("rawtypes")
public static <T> T parseViaReflection(T object, JSONObject source) throws JSONException {
    if (source.has("response")) {
        source = source.optJSONObject("response");
    }
    if (source == null) {
        return object;
    }
    for (Field field : object.getClass().getFields()) {
        field.setAccessible(true);
        String fieldName = field.getName();
        Class<?> fieldType = field.getType();

        Object value = source.opt(fieldName);
        if (value == null) {
            continue;
        }
        try {
            if (fieldType.isPrimitive() && value instanceof Number) {
                Number number = (Number) value;
                if (fieldType.equals(int.class)) {
                    field.setInt(object, number.intValue());
                } else if (fieldType.equals(long.class)) {
                    field.setLong(object, number.longValue());
                } else if (fieldType.equals(float.class)) {
                    field.setFloat(object, number.floatValue());
                } else if (fieldType.equals(double.class)) {
                    field.setDouble(object, number.doubleValue());
                } else if (fieldType.equals(boolean.class)) {
                    field.setBoolean(object, number.intValue() == 1);
                } else if (fieldType.equals(short.class)) {
                    field.setShort(object, number.shortValue());
                } else if (fieldType.equals(byte.class)) {
                    field.setByte(object, number.byteValue());
                }
            } else {
                Object result = field.get(object);
                if (value.getClass().equals(fieldType)) {
                    result = value;
                } else if (fieldType.isArray() && value instanceof JSONArray) {
                    result = parseArrayViaReflection((JSONArray) value, fieldType);
                } else if (VKPhotoSizes.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKAttachments.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKList.class.equals(fieldType)) {
                    ParameterizedType genericTypes = (ParameterizedType) field.getGenericType();
                    Class<?> genericType = (Class<?>) genericTypes.getActualTypeArguments()[0];
                    if (VKApiModel.class.isAssignableFrom(genericType)
                            && Parcelable.class.isAssignableFrom(genericType)
                            && Identifiable.class.isAssignableFrom(genericType)) {
                        if (value instanceof JSONArray) {
                            result = new VKList((JSONArray) value, genericType);
                        } else if (value instanceof JSONObject) {
                            result = new VKList((JSONObject) value, genericType);
                        }
                    }
                } else if (VKApiModel.class.isAssignableFrom(fieldType) && value instanceof JSONObject) {
                    result = ((VKApiModel) fieldType.newInstance()).parse((JSONObject) value);
                }
                field.set(object, result);
            }
        } catch (InstantiationException e) {
            throw new JSONException(e.getMessage());
        } catch (IllegalAccessException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodException e) {
            throw new JSONException(e.getMessage());
        } catch (InvocationTargetException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodError e) {
            //  ?:
            //   ,     getFields()   .
            //  ? ? ?,   ? ?,  Android  ?  .
            throw new JSONException(e.getMessage());
        }
    }
    return object;
}

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;
    }/*w  w w . j a va2 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:gumga.framework.presentation.api.CSVGeneratorAPI.java

public static StringBuilder objectToCsvLine(Object gm) {
    StringBuilder sb = new StringBuilder();
    for (Field f : getAllAtributes(gm.getClass())) {
        try {// www .  jav  a  2s.com
            f.setAccessible(true);
            if (f.get(gm) != null) {
                Field idField = getIdField(f.getType());
                if (idField != null) {
                    idField.setAccessible(true);
                    Object idValue = idField.get(f.get(gm));
                    sb.append(idValue.toString());
                } else if (f.getType().equals(Date.class)) {
                    sb.append(SDF.format(f.get(gm)));
                } else {
                    sb.append(f.get(gm).toString());
                }
            }
        } catch (Exception ex) {
            log.error("erro ao criar linha csv", ex);
        }
        sb.append(CSV_SEPARATOR);
    }
    sb.deleteCharAt(sb.length() - 1);
    sb.append(CSV_LINE_DELIMITER);
    return sb;
}

From source file:org.cybercat.automation.annotations.AnnotationBuilder.java

public static final <T extends IFeature> void processCCPageObject(T entity)
        throws AutomationFrameworkException {
    for (Field field : entity.getClass().getDeclaredFields()) {
        field.setAccessible(true);
        if (field.getAnnotation(CCPageObject.class) != null) {
            createPageObjectField(entity, field);
        } else if (field.getAnnotation(CCProperty.class) != null) {
            processPropertyField(entity, field);
        }//from w  ww  .j  ava  2s .  c  o m
    }
}

From source file:com.bt.download.android.gui.UniversalScanner.java

private static Uri nativeScanFile(Context context, String path) {
    try {//from w  w  w.  jav  a  2 s .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);

        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
        }

        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;
    }
}

From source file:io.tempra.AppServer.java

/**
 * Adds the specified path to the java library path
 *
 * @param pathToAdd//from  w ww. j  a va2 s . c  om
 *            the path to add
 * @throws Exception
 */
public static void addLibraryPath(String pathToAdd) throws Exception {
    final Field usrPathsField = ClassLoader.class.getDeclaredField("usr_paths");
    usrPathsField.setAccessible(true);

    // get array of paths
    final String[] paths = (String[]) usrPathsField.get(null);

    // check if the path to add is already present
    for (String path : paths) {
        if (path.equals(pathToAdd)) {
            return;
        }
    }

    // add the new path
    final String[] newPaths = Arrays.copyOf(paths, paths.length + 1);
    newPaths[newPaths.length - 1] = pathToAdd;
    usrPathsField.set(null, newPaths);
}

From source file:com.psiphon3.psiphonlibrary.WebViewProxySettings.java

@TargetApi(Build.VERSION_CODES.KITKAT)
@SuppressWarnings("rawtypes")
private static boolean setWebkitProxyKitKat(Context appContext, String host, int port) {
    System.setProperty("http.proxyHost", host);
    System.setProperty("http.proxyPort", port + "");
    System.setProperty("https.proxyHost", host);
    System.setProperty("https.proxyPort", port + "");
    try {/*from   w ww . j ava  2  s  .c o  m*/
        Class applicationClass = Class.forName("android.app.Application");
        Field loadedApkField = applicationClass.getDeclaredField("mLoadedApk");
        loadedApkField.setAccessible(true);
        Object loadedApk = loadedApkField.get(appContext);
        Class loadedApkClass = Class.forName("android.app.LoadedApk");
        Field receiversField = loadedApkClass.getDeclaredField("mReceivers");
        receiversField.setAccessible(true);
        ArrayMap receivers = (ArrayMap) receiversField.get(loadedApk);
        for (Object receiverMap : receivers.values()) {
            for (Object receiver : ((ArrayMap) receiverMap).keySet()) {
                Class receiverClass = receiver.getClass();
                if (receiverClass.getName().contains("ProxyChangeListener")) {
                    Method onReceiveMethod = receiverClass.getDeclaredMethod("onReceive", Context.class,
                            Intent.class);
                    Intent intent = new Intent(Proxy.PROXY_CHANGE_ACTION);

                    final String CLASS_NAME = "android.net.ProxyProperties";
                    Class proxyPropertiesClass = Class.forName(CLASS_NAME);
                    Constructor constructor = proxyPropertiesClass.getConstructor(String.class, Integer.TYPE,
                            String.class);
                    constructor.setAccessible(true);
                    Object proxyProperties = constructor.newInstance(host, port, null);
                    intent.putExtra("proxy", (Parcelable) proxyProperties);

                    onReceiveMethod.invoke(receiver, appContext, intent);
                }
            }
        }
        return true;
    } catch (ClassNotFoundException e) {
        MyLog.d("Exception setting WebKit proxy on KitKat through ProxyChangeListener: " + e.toString());
    } catch (NoSuchFieldException e) {
        MyLog.d("Exception setting WebKit proxy on KitKat through ProxyChangeListener: " + e.toString());
    } catch (IllegalAccessException e) {
        MyLog.d("Exception setting WebKit proxy on KitKat through ProxyChangeListener: " + e.toString());
    } catch (IllegalArgumentException e) {
        MyLog.d("Exception setting WebKit proxy on KitKat through ProxyChangeListener: " + e.toString());
    } catch (NoSuchMethodException e) {
        MyLog.d("Exception setting WebKit proxy on KitKat through ProxyChangeListener: " + e.toString());
    } catch (InvocationTargetException e) {
        MyLog.d("Exception setting WebKit proxy on KitKat through ProxyChangeListener: " + e.toString());
    } catch (InstantiationException e) {
        MyLog.d("Exception setting WebKit proxy on KitKat through ProxyChangeListener: " + e.toString());
    }
    return false;
}

From source file:Main.java

public static Collection<Field> getDeepDeclaredFields(Class<?> c) {
    if (_reflectedFields.containsKey(c)) {
        return _reflectedFields.get(c);
    }//from  ww w. j  av  a2 s . co  m
    Collection<Field> fields = new ArrayList<Field>();
    Class<?> curr = c;

    while (curr != null) {
        try {
            Field[] local = curr.getDeclaredFields();

            for (Field field : local) {
                if (!field.isAccessible()) {
                    try {
                        field.setAccessible(true);
                    } catch (Exception ignored) {
                    }
                }

                int modifiers = field.getModifiers();
                if (!Modifier.isStatic(modifiers) && !field.getName().startsWith("this$")
                        && !Modifier.isTransient(modifiers)) {
                    fields.add(field);
                }
            }
        } catch (ThreadDeath t) {
            throw t;
        } catch (Throwable ignored) {
        }

        curr = curr.getSuperclass();
    }
    _reflectedFields.put(c, fields);
    return fields;
}

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

public static void injectMockHttpClient(AmazonHttpClient amazonHttpClient, HttpClient mockHttpClient) {
    try {//from  w ww. java2 s  .  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());
    }
}