Example usage for java.lang.reflect Field get

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

  1. HOME
  2. Java
  3. java
  4. java.lang.reflect.*
  5. Field
  6. get

Introduction

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

Prototype

@CallerSensitive
@ForceInline 
public Object get(Object obj) throws IllegalArgumentException, IllegalAccessException

Source Link

Document

Returns the value of the field represented by this Field , on the specified object.

Usage

From source file:com.lidroid.xutils.utils.OtherUtils.java

/**
 * @param context if null, use the default format
 *                (Mozilla/5.0 (Linux; U; Android %s) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 %sSafari/534.30).
 * @return//from w ww  .  j  av a  2s . co m
 */
@SuppressLint("DefaultLocale")
public static String getUserAgent(Context context) {
    String webUserAgent = null;
    if (context != null) {
        try {
            Class<?> sysResCls = Class.forName("com.android.internal.R$string");
            Field webUserAgentField = sysResCls.getDeclaredField("web_user_agent");
            Integer resId = (Integer) webUserAgentField.get(null);
            webUserAgent = context.getString(resId);
        } catch (Throwable ignored) {
        }
    }
    if (TextUtils.isEmpty(webUserAgent)) {
        webUserAgent = "Mozilla/5.0 (Linux; U; Android %s) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 %sSafari/533.1";
    }

    Locale locale = Locale.getDefault();
    StringBuffer buffer = new StringBuffer();
    // Add version
    final String version = Build.VERSION.RELEASE;
    if (version.length() > 0) {
        buffer.append(version);
    } else {
        // default to "1.0"
        buffer.append("1.0");
    }
    buffer.append("; ");
    final String language = locale.getLanguage();
    if (language != null) {
        buffer.append(language.toLowerCase());
        final String country = locale.getCountry();
        if (country != null) {
            buffer.append("-");
            buffer.append(country.toLowerCase());
        }
    } else {
        // default to "en"
        buffer.append("en");
    }
    // add the model for the release build
    if ("REL".equals(Build.VERSION.CODENAME)) {
        final String model = Build.MODEL;
        if (model.length() > 0) {
            buffer.append("; ");
            buffer.append(model);
        }
    }
    final String id = Build.ID;
    if (id.length() > 0) {
        buffer.append(" Build/");
        buffer.append(id);
    }
    return String.format(webUserAgent, buffer, "Mobile ");
}

From source file:com.netflix.spinnaker.orca.config.RedisConfiguration.java

@Deprecated // rz - Kept for backwards compat with old connection configs
public static JedisPool createPool(GenericObjectPoolConfig redisPoolConfig, String connection, int timeout,
        Registry registry, String poolName) {
    URI redisConnection = URI.create(connection);

    String host = redisConnection.getHost();
    int port = redisConnection.getPort() == -1 ? Protocol.DEFAULT_PORT : redisConnection.getPort();

    String redisConnectionPath = isNotEmpty(redisConnection.getPath()) ? redisConnection.getPath()
            : "/" + DEFAULT_DATABASE;
    int database = Integer.parseInt(redisConnectionPath.split("/", 2)[1]);

    String password = redisConnection.getUserInfo() != null ? redisConnection.getUserInfo().split(":", 2)[1]
            : null;/*from   w  w w  . j a v a 2s .com*/

    JedisPool jedisPool = new JedisPool(
            redisPoolConfig != null ? redisPoolConfig : new GenericObjectPoolConfig(), host, port, timeout,
            password, database, null);
    final Field poolAccess;
    try {
        poolAccess = Pool.class.getDeclaredField("internalPool");
        poolAccess.setAccessible(true);
        GenericObjectPool<Jedis> pool = (GenericObjectPool<Jedis>) poolAccess.get(jedisPool);
        registry.gauge(registry.createId("redis.connectionPool.maxIdle", "poolName", poolName), pool,
                (GenericObjectPool<Jedis> p) -> Integer.valueOf(p.getMaxIdle()).doubleValue());
        registry.gauge(registry.createId("redis.connectionPool.minIdle", "poolName", poolName), pool,
                (GenericObjectPool<Jedis> p) -> Integer.valueOf(p.getMinIdle()).doubleValue());
        registry.gauge(registry.createId("redis.connectionPool.numActive", "poolName", poolName), pool,
                (GenericObjectPool<Jedis> p) -> Integer.valueOf(p.getNumActive()).doubleValue());
        registry.gauge(registry.createId("redis.connectionPool.numIdle", "poolName", poolName), pool,
                (GenericObjectPool<Jedis> p) -> Integer.valueOf(p.getMaxIdle()).doubleValue());
        registry.gauge(registry.createId("redis.connectionPool.numWaiters", "poolName", poolName), pool,
                (GenericObjectPool<Jedis> p) -> Integer.valueOf(p.getMaxIdle()).doubleValue());
        return jedisPool;
    } catch (NoSuchFieldException | IllegalAccessException e) {
        throw new BeanCreationException("Error creating Redis pool", e);
    }
}

From source file:com.cat.external.util.OtherUtils.java

/**
 * @param context if null, use the default format
 *                (Mozilla/5.0 (Linux; U; Android %s) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 %sSafari/534.30).
 * @return//from   w w  w  .  j ava 2 s .c o m
 */
@SuppressLint("DefaultLocale")
public static String getUserAgent(Context context) {
    String webUserAgent = null;
    if (context != null) {
        try {
            @SuppressWarnings("rawtypes")
            Class sysResCls = Class.forName("com.android.internal.R$string");
            Field webUserAgentField = sysResCls.getDeclaredField("web_user_agent");
            Integer resId = (Integer) webUserAgentField.get(null);
            webUserAgent = context.getString(resId);
        } catch (Throwable ignored) {
        }
    }
    if (TextUtils.isEmpty(webUserAgent)) {
        webUserAgent = "Mozilla/5.0 (Linux; U; Android %s) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 %sSafari/533.1";
    }

    Locale locale = Locale.getDefault();
    StringBuffer buffer = new StringBuffer();
    // Add version
    final String version = Build.VERSION.RELEASE;
    if (version.length() > 0) {
        buffer.append(version);
    } else {
        // default to "1.0"
        buffer.append("1.0");
    }
    buffer.append("; ");
    final String language = locale.getLanguage();
    if (language != null) {
        buffer.append(language.toLowerCase());
        final String country = locale.getCountry();
        if (country != null) {
            buffer.append("-");
            buffer.append(country.toLowerCase());
        }
    } else {
        // default to "en"
        buffer.append("en");
    }
    // add the model for the release build
    if ("REL".equals(Build.VERSION.CODENAME)) {
        final String model = Build.MODEL;
        if (model.length() > 0) {
            buffer.append("; ");
            buffer.append(model);
        }
    }
    final String id = Build.ID;
    if (id.length() > 0) {
        buffer.append(" Build/");
        buffer.append(id);
    }
    return String.format(webUserAgent, buffer, "Mobile ");
}

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

private static Uri nativeScanFile(Context context, String path) {
    try {// w  ww. j  av  a2 s  .  com
        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;
    }
}

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 {/*from  www .j  a  va2s . c om*/
            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:com.ruint.core.utils.OtherUtils.java

/**
 * @param context/*from  w w  w  .j  ava2  s.co  m*/
 *          if null, use the default format (Mozilla/5.0 (Linux; U; Android
 *          %s) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0
 *          %sSafari/534.30).
 * @return
 */
@SuppressWarnings("rawtypes")
public static String getUserAgent(Context context) {
    String webUserAgent = null;
    if (context != null) {
        try {
            Class sysResCls = Class.forName("com.android.internal.R$string");
            Field webUserAgentField = sysResCls.getDeclaredField("web_user_agent");
            Integer resId = (Integer) webUserAgentField.get(null);
            webUserAgent = context.getString(resId);
        } catch (Throwable ignored) {
        }
    }
    if (TextUtils.isEmpty(webUserAgent)) {
        webUserAgent = "Mozilla/5.0 (Linux; U; Android %s) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 %sSafari/533.1";
    }

    Locale locale = Locale.getDefault();
    StringBuffer buffer = new StringBuffer();
    // Add version
    final String version = Build.VERSION.RELEASE;
    if (version.length() > 0) {
        buffer.append(version);
    } else {
        // default to "1.0"
        buffer.append("1.0");
    }
    buffer.append("; ");
    final String language = locale.getLanguage();
    if (language != null) {
        buffer.append(language.toLowerCase());
        final String country = locale.getCountry();
        if (country != null) {
            buffer.append("-");
            buffer.append(country.toLowerCase());
        }
    } else {
        // default to "en"
        buffer.append("en");
    }
    // add the model for the release build
    if ("REL".equals(Build.VERSION.CODENAME)) {
        final String model = Build.MODEL;
        if (model.length() > 0) {
            buffer.append("; ");
            buffer.append(model);
        }
    }
    final String id = Build.ID;
    if (id.length() > 0) {
        buffer.append(" Build/");
        buffer.append(id);
    }
    return String.format(webUserAgent, buffer, "Mobile ");
}

From source file:me.totalfreedom.totalfreedommod.util.FUtil.java

@SuppressWarnings("unchecked")
public static <T> T getField(Object from, String name) {
    Class<?> checkClass = from.getClass();
    do {//from   ww  w. ja v  a  2 s.c  o m
        try {
            Field field = checkClass.getDeclaredField(name);
            field.setAccessible(true);
            return (T) field.get(from);

        } catch (NoSuchFieldException | IllegalAccessException ex) {
        }
    } while (checkClass.getSuperclass() != Object.class && ((checkClass = checkClass.getSuperclass()) != null));

    return null;
}

From source file:com.aw.core.cache.loader.MetaLoader.java

/**
 * Busca en la instancia Atributos del tipo {@link com.aw.core.cache.loader.MetaLoader}
 *//*from  w  w w  .  j  a  va2  s .c om*/
static public List<MetaLoader> find(Object instance) {
    List<MetaLoader> list = new ArrayList<MetaLoader>();

    Class cls = instance.getClass();
    Field[] fields = cls.getDeclaredFields();
    for (Field field : fields) {
        try {
            Object value = field.get(instance);
            if (value instanceof MetaLoader)
                list.add((MetaLoader) value);
        } catch (IllegalAccessException e) {
            throw AWBusinessException.wrapUnhandledException(logger, e);
        }
    }
    return list;
}

From source file:com.bynder.sdk.util.Utils.java

/**
 * Method called for each field in a query object. It extracts the different fields with
 * {@link ApiField} annotation and, if needed, converts it according to the conversion type
 * defined.//from   w  w w.  ja  v a 2 s.  c o  m
 *
 * @param field Field information.
 * @param query Query object.
 * @param params Parameters name/value pairs to send to the API.
 *
 * @throws IllegalAccessException If the Field object is inaccessible.
 */
private static void convertField(final Field field, final Object query, final Map<String, String> params)
        throws IllegalAccessException {
    field.setAccessible(true);
    ApiField apiField = field.getAnnotation(ApiField.class);

    if (field.get(query) != null && apiField != null) {
        if (apiField.conversionType() == ConversionType.NONE) {
            params.put(apiField.name(), field.get(query).toString());
        } else {
            if (apiField.conversionType() == ConversionType.METAPROPERTY_FIELD) {
                MetapropertyField metapropertyField = (MetapropertyField) field.get(query);
                params.put(String.format("%s.%s", apiField.name(), metapropertyField.getMetapropertyId()),
                        StringUtils.join(metapropertyField.getOptionsIds(), Utils.STR_COMMA));
            } else if (apiField.conversionType() == ConversionType.LIST_FIELD) {
                List<?> listField = (List<?>) field.get(query);
                params.put(apiField.name(), StringUtils.join(listField, Utils.STR_COMMA));
            }
        }
    }
    field.setAccessible(false);
}

From source file:com.sixt.service.framework.servicetest.helper.DockerComposeHelper.java

@SuppressWarnings("unchecked")
private static void setEnv(Map<String, String> newEnv) {
    try {/*from www .  j  a v a  2  s  . co  m*/
        Class<?> processEnvironmentClass = Class.forName("java.lang.ProcessEnvironment");
        Field theEnvironmentField = processEnvironmentClass.getDeclaredField("theEnvironment");
        theEnvironmentField.setAccessible(true);
        Map<String, String> env = (Map<String, String>) theEnvironmentField.get(null);
        env.putAll(newEnv);
        Field theCaseInsensitiveEnvironmentField = processEnvironmentClass
                .getDeclaredField("theCaseInsensitiveEnvironment");
        theCaseInsensitiveEnvironmentField.setAccessible(true);
        Map<String, String> cienv = (Map<String, String>) theCaseInsensitiveEnvironmentField.get(null);
        cienv.putAll(newEnv);
    } catch (NoSuchFieldException e) {
        try {
            Class[] classes = Collections.class.getDeclaredClasses();
            Map<String, String> env = System.getenv();
            for (Class cl : classes) {
                if ("java.util.Collections$UnmodifiableMap".equals(cl.getName())) {
                    Field field = cl.getDeclaredField("m");
                    field.setAccessible(true);
                    Object obj = field.get(env);
                    Map<String, String> map = (Map<String, String>) obj;
                    map.clear();
                    map.putAll(newEnv);
                }
            }
        } catch (Exception e2) {
            e2.printStackTrace();
        }
    } catch (Exception e1) {
        e1.printStackTrace();
    }
}