Example usage for java.lang.reflect Field getInt

Introduction

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

Prototype

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

Source Link

Document

Gets the value of a static or instance field of type int or of another primitive type convertible to type int via a widening conversion.

Usage

From source file:org.acra.collector.DisplayManagerCollector.java

@NonNull
private String collectFlags(@NonNull Display display) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
        final int flags = display.getFlags();
        for (Field field : display.getClass().getFields()) {
            if (field.getName().startsWith("FLAG_")) {
                try {
                    flagNames.put(field.getInt(null), field.getName());
                } catch (IllegalAccessException ignored) {
                }// ww  w  . java2 s . c  om
            }
        }
        return display.getDisplayId() + ".flags=" + activeFlags(flags) + '\n';
    }
    return "";
}

---

From source file:me.wimanacra.collector.DisplayManagerCollector.java

private void collectFlags(@NonNull Display display, @NonNull JSONObject container) throws JSONException {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
        final int flags = display.getFlags();
        for (Field field : display.getClass().getFields()) {
            if (field.getName().startsWith("FLAG_")) {
                try {
                    flagNames.put(field.getInt(null), field.getName());
                } catch (IllegalAccessException ignored) {
                }/* w  ww . ja  va2  s. co  m*/
            }
        }
        container.put("flags", activeFlags(flags));
    }
}

---

From source file:org.jgentleframework.utils.ReflectUtils.java

/**
 * Sets new value to static final field.
 * <p>/*w  w  w  . ja  v  a  2s.  c om*/
 * <b>Note</b>: this method only run on Sun JDK
 * 
 * @param field
 *            the field
 * @param value
 *            the new value
 * @throws NoSuchFieldException
 *             the no such field exception
 * @throws IllegalAccessException
 *             the illegal access exception
 */
public static void setStaticFinalField(Field field, Object value)
        throws NoSuchFieldException, IllegalAccessException {

    field.setAccessible(true);
    Field modifiersField = Field.class.getDeclaredField(MODIFIERS_FIELD);
    modifiersField.setAccessible(true);
    int modifiers = modifiersField.getInt(field);
    modifiers &= ~Modifier.FINAL;
    modifiersField.setInt(field, modifiers);
    FieldAccessor fa = reflection.newFieldAccessor(field, false);
    fa.set(null, value);
}

---

From source file:com.netflix.genie.core.jobs.workflow.impl.JobKickoffTask.java

/**
 * Helper method  to get process id for the given process.
 *
 * @param proc java process object representing the job launcher
 * @return pid for this process//from w  ww . j a va  2  s  .c  o m
 * @throws GenieException if there is an error getting the process id
 */
private int getProcessId(final Process proc) throws GenieException {
    log.debug("called");

    try {
        final Field f = proc.getClass().getDeclaredField(JobConstants.PID);
        f.setAccessible(true);
        return f.getInt(proc);
    } catch (final IllegalAccessException | IllegalArgumentException | NoSuchFieldException
            | SecurityException e) {
        final String msg = "Can't get process id for job";
        log.error(msg, e);
        throw new GenieServerException(msg, e);
    }
}

---

From source file:org.apache.hadoop.hdfs.qjournal.client.TestQuorumJournalManagerInputStream.java

/**
 * Get the journal node we are tailing from, and indicate which stream this is.
 */// w  ww .  ja  va 2  s .  c o  m
private JournalNode getTailingJN(EditLogInputStream str, URLLogInputStream[] tailingStream) throws Exception {
    RedundantEditLogInputStream is = (RedundantEditLogInputStream) str;

    Field curIdxF = RedundantEditLogInputStream.class.getDeclaredField("curIdx");
    curIdxF.setAccessible(true);
    int curIdx = curIdxF.getInt(is);

    URLLogInputStream[] streams = getStreams(is);

    JournalNode jn = null;
    for (JournalNode j : cluster.getJournalNodes()) {
        if (streams[curIdx].getName().contains(Integer.toString(j.getBoundHttpAddress().getPort()))) {
            jn = j;
            break;
        }
    }
    tailingStream[0] = streams[curIdx];
    return jn;
}

---

From source file:org.eclipse.jubula.rc.swt.utils.SwtUtils.java

/**
 * GTK-specific workaround for getting the bounds of a TabItem.
 * //from   ww  w. j  a  v a2  s  . c  o m
 * @param tabItem   The TabItem to find the bounds for.
 * @return  the bounding rectangle
 */
static Rectangle gtkgetBounds(TabItem tabItem) {
    Rectangle bounds = new Rectangle(0, 0, 0, 0);
    try {
        Class clazz = Class.forName("org.eclipse.swt.widgets.Widget"); //$NON-NLS-1$
        Field f = clazz.getDeclaredField("handle"); //$NON-NLS-1$
        f.setAccessible(true);
        int handle = f.getInt(tabItem);
        gtkgetBounds(handle, bounds);
        return tabItem.getDisplay().map(tabItem.getParent(), null, bounds);
    } catch (Exception e) {
        return handleBoundsError(e);
    }
}

---

From source file:metadata.etl.dataset.hdfs.HdfsMetadataEtl.java

private void extractLocal() throws Exception {

    URL localJarUrl = classLoader.getResource("jar/schemaFetch.jar");
    String homeDir = System.getProperty("user.home");
    String remoteJarFile = homeDir + "/.wherehows/schemaFetch.jar";
    File dest = new File(remoteJarFile);
    try {// w w  w.  ja v  a 2s .  co  m
        FileUtils.copyURLToFile(localJarUrl, dest);
    } catch (Exception e) {
        logger.error(e.toString());
    }

    String outputSchemaFile = prop.getProperty(Constant.HDFS_SCHEMA_LOCAL_PATH_KEY);
    String outputSampleDataFile = prop.getProperty(Constant.HDFS_SAMPLE_LOCAL_PATH_KEY);
    String cluster = prop.getProperty(Constant.HDFS_CLUSTER_KEY);
    String whiteList = prop.getProperty(Constant.HDFS_WHITE_LIST_KEY);
    String numOfThread = prop.getProperty(Constant.HDFS_NUM_OF_THREAD_KEY, String.valueOf(1));
    String hdfsUser = prop.getProperty(Constant.HDFS_REMOTE_USER_KEY);
    // String hdfsKeyTab = prop.getProperty(Constant.HDFS_REMOTE_KEYTAB_LOCATION_KEY);
    String hdfsExtractLogFile = outputSchemaFile + ".log";

    String[] hadoopCmd = { "hadoop", "jar", remoteJarFile,
            "-D" + Constant.HDFS_SCHEMA_REMOTE_PATH_KEY + "=" + outputSchemaFile,
            "-D" + Constant.HDFS_SAMPLE_REMOTE_PATH_KEY + "=" + outputSampleDataFile,
            "-D" + Constant.HDFS_CLUSTER_KEY + "=" + cluster,
            "-D" + Constant.HDFS_WHITE_LIST_KEY + "=" + whiteList,
            "-D" + Constant.HDFS_NUM_OF_THREAD_KEY + "=" + numOfThread,
            "-D" + Constant.HDFS_REMOTE_USER_KEY + "=" + hdfsUser, "-Dlog.file.name=hdfs_schema_fetch" };
    // delete the line (no kerberos needed): "-D" + Constant.HDFS_REMOTE_KEYTAB_LOCATION_KEY + "=" + hdfsKeyTab,
    ProcessBuilder pb = new ProcessBuilder(hadoopCmd);
    File logFile = new File(hdfsExtractLogFile);
    pb.redirectErrorStream(true);
    pb.redirectOutput(ProcessBuilder.Redirect.appendTo(logFile));
    Process process = pb.start();
    int pid = -1;
    if (process.getClass().getName().equals("java.lang.UNIXProcess")) {
        /* get the PID on unix/linux systems */
        try {
            Field f = process.getClass().getDeclaredField("pid");
            f.setAccessible(true);
            pid = f.getInt(process);
        } catch (Throwable e) {
        }
    }
    logger.info("executue command [PID=" + pid + "]: " + hadoopCmd);

    // wait until this process finished.
    int execResult = process.waitFor();

    // if the process failed, log the error and throw exception
    if (execResult > 0) {
        BufferedReader br = new BufferedReader(new InputStreamReader(process.getErrorStream()));
        String errString = "HDFS Metadata Extract Error:\n";
        String line = "";
        while ((line = br.readLine()) != null)
            errString = errString.concat(line).concat("\n");
        logger.error("*** Process  failed, status: " + execResult);
        logger.error(errString);
        throw new Exception("Process + " + pid + " failed");
    }

}

---

From source file:com.xperia64.timidityae.Globals.java

@SuppressLint("NewApi")
public static int getBackgroundColor(TextView textView) {
    Drawable drawable = textView.getBackground();
    if (drawable instanceof ColorDrawable) {
        ColorDrawable colorDrawable = (ColorDrawable) drawable;
        if (Build.VERSION.SDK_INT >= 11) {
            return colorDrawable.getColor();
        }//  w  w w. j  a  v  a  2  s .c o m
        try {
            Field field = colorDrawable.getClass().getDeclaredField("mState");
            field.setAccessible(true);
            Object object = field.get(colorDrawable);
            field = object.getClass().getDeclaredField("mUseColor");
            field.setAccessible(true);
            return field.getInt(object);
        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
    }
    return 0;
}

---

From source file:de.anderdonau.hackersdiet.MonthDetailFragment.java

/**
 * Search a widget by its name and return its ID.
 *//*from   ww  w  .j ava2  s  .co  m*/
public int getIdByName(String name) {
    Class res = R.id.class;
    int id;
    try {
        Field field = res.getField(name);
        id = field.getInt(null);
    } catch (Exception e) {
        Log.d("getIdByName", "Cant get " + name);
        return -1;
    }
    return id;
}

---

From source file:org.eclipse.jubula.rc.swt.utils.SwtUtils.java

/**
 * GTK-specific workaround for getting the bounds of a TableColumn.
 * /*from ww w .j a  v  a 2 s .  com*/
 * @param tableColumn   The TableColumn to find the bounds for.
 * @return  the bounding rectangle
 */
static Rectangle gtkgetBounds(TableColumn tableColumn) {
    Rectangle bounds = new Rectangle(0, 0, 0, 0);
    try {
        Class clazz = tableColumn.getClass();
        Field f = clazz.getDeclaredField("buttonHandle"); //$NON-NLS-1$
        f.setAccessible(true);
        int handle = f.getInt(tableColumn);
        gtkgetBounds(handle, bounds);
        bounds.y -= tableColumn.getParent().getHeaderHeight();
        return tableColumn.getDisplay().map(tableColumn.getParent(), null, bounds);
    } catch (Exception e) {
        return handleBoundsError(e);
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• »