Examples with InputStreamReader java.io.InputStreamReader used on opensource projects

Example 86 with InputStreamReader

use of java.io.InputStreamReader in project platform_frameworks_base by android.

the class BandwidthTestUtil method parseIntValueFromFile.

/**
     * Parses the first line in a file if exists.
     *
     * @param file {@link File} the input
     * @return the integer value of the first line of the file.
     */
public static int parseIntValueFromFile(File file) {
    int value = 0;
    if (file.exists()) {
        try {
            FileInputStream fstream = new FileInputStream(file);
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            String strLine = br.readLine();
            if (strLine != null) {
                value = Integer.parseInt(strLine);
            }
            // Close the input stream
            in.close();
        } catch (Exception e) {
            System.err.println("Error: " + e.getMessage());
        }
    }
    return value;
}

Example 87 with InputStreamReader

use of java.io.InputStreamReader in project platform_frameworks_base by android.

the class BackupDataTest method testReadMockData.

public void testReadMockData() throws IOException {
    copyAssetToFile("backup_mock.dat", "backup_read_mock_test.dat");
    openForReading();
    BackupDataInput bdi = new BackupDataInput(mDataFile.getFileDescriptor());
    BufferedReader truth = new BufferedReader(new InputStreamReader(mAssets.openFd("backup_mock.gld").createInputStream()));
    while (bdi.readNextHeader()) {
        String[] expected = truth.readLine().split(":");
        byte[] expectedBytes = null;
        if (expected.length > 1) {
            expectedBytes = Base64.decode(expected[1], Base64.DEFAULT);
        }
        String key = bdi.getKey();
        int dataSize = bdi.getDataSize();
        assertEquals("wrong key", expected[0], key);
        assertEquals("wrong length for key " + key, (expectedBytes == null ? -1 : expectedBytes.length), dataSize);
        if (dataSize != -1) {
            byte[] buffer = new byte[dataSize];
            bdi.readEntityData(buffer, 0, dataSize);
            assertEquals("wrong data for key " + key, expected[1], Base64.encodeToString(buffer, 0, dataSize, Base64.NO_WRAP));
        }
    }
    assertNull("there are unused entries in the golden file", truth.readLine());
}

Example 88 with InputStreamReader

use of java.io.InputStreamReader in project platform_frameworks_base by android.

the class BackupDataTest method testReadRealData.

public void testReadRealData() throws IOException {
    copyAssetToFile("backup_real.dat", "backup_read_real_test.dat");
    openForReading();
    BackupDataInput bdi = new BackupDataInput(mDataFile.getFileDescriptor());
    BufferedReader truth = new BufferedReader(new InputStreamReader(mAssets.openFd("backup_real.gld").createInputStream()));
    while (bdi.readNextHeader()) {
        String[] expected = truth.readLine().split(":");
        byte[] expectedBytes = null;
        if (expected.length > 1) {
            expectedBytes = Base64.decode(expected[1], Base64.DEFAULT);
        }
        String key = bdi.getKey();
        int dataSize = bdi.getDataSize();
        assertEquals("wrong key", expected[0], key);
        assertEquals("wrong length for key " + key, (expectedBytes == null ? -1 : expectedBytes.length), dataSize);
        if (dataSize != -1) {
            byte[] buffer = new byte[dataSize];
            bdi.readEntityData(buffer, 0, dataSize);
            assertEquals("wrong data for key " + key, expected[1], Base64.encodeToString(buffer, 0, dataSize, Base64.NO_WRAP));
        }
    }
    assertNull("there are unused entries in the golden file", truth.readLine());
}

Example 89 with InputStreamReader

use of java.io.InputStreamReader in project platform_frameworks_base by android.

the class BasePrintTest method getEnabledImes.

private String[] getEnabledImes() throws IOException {
    List<String> imeList = new ArrayList<>();
    ParcelFileDescriptor pfd = getInstrumentation().getUiAutomation().executeShellCommand(COMMAND_LIST_ENABLED_IME_COMPONENTS);
    try (BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(pfd.getFileDescriptor())))) {
        String line;
        while ((line = reader.readLine()) != null) {
            imeList.add(line);
        }
    }
    String[] imeArray = new String[imeList.size()];
    imeList.toArray(imeArray);
    return imeArray;
}

Example 90 with InputStreamReader

use of java.io.InputStreamReader in project antlr4 by antlr.

the class Utils method readFile.

public static char[] readFile(String fileName, String encoding) throws IOException {
    File f = new File(fileName);
    int size = (int) f.length();
    InputStreamReader isr;
    FileInputStream fis = new FileInputStream(fileName);
    if (encoding != null) {
        isr = new InputStreamReader(fis, encoding);
    } else {
        isr = new InputStreamReader(fis);
    }
    char[] data = null;
    try {
        data = new char[size];
        int n = isr.read(data);
        if (n < data.length) {
            data = Arrays.copyOf(data, n);
        }
    } finally {
        isr.close();
    }
    return data;
}