Java IOContext类代码示例

import com.fasterxml.jackson.core.io.IOContext; //导入依赖的package包/类
@Override
public JsonParser createParser(ObjectReadContext readCtxt,
        String content) throws IOException
{
    final int strLen = content.length();
    // Actually, let's use this for medium-sized content, up to 64kB chunk (32kb char)
    if ((_inputDecorator != null) || (strLen > 0x8000) || !canUseCharArrays()) {
        // easier to just wrap in a Reader than extend InputDecorator; or, if content
        // is too long for us to copy it over
        return createParser(readCtxt, new StringReader(content));
    }
    IOContext ioCtxt = _createContext(content, true);
    char[] buf = ioCtxt.allocTokenBuffer(strLen);
    content.getChars(0, strLen, buf, 0);
    return _createParser(readCtxt, ioCtxt, buf, 0, strLen, true);
}
 

import com.fasterxml.jackson.core.io.IOContext; //导入依赖的package包/类
public UTF8StreamJsonParser(ObjectReadContext readCtxt, IOContext ctxt,
        int features, InputStream in,
        ByteQuadsCanonicalizer sym,
        byte[] inputBuffer, int start, int end,
        boolean bufferRecyclable)
{
    super(readCtxt, ctxt, features);
    _inputStream = in;
    _symbols = sym;
    _inputBuffer = inputBuffer;
    _inputPtr = start;
    _inputEnd = end;
    _currInputRowStart = start;
    // If we have offset, need to omit that from byte offset, so:
    _currInputProcessed = -start;
    _bufferRecyclable = bufferRecyclable;
}
 

import com.fasterxml.jackson.core.io.IOContext; //导入依赖的package包/类
public JsonGeneratorImpl(ObjectWriteContext writeCtxt, IOContext ctxt, int features,
        SerializableString rvs, CharacterEscapes charEsc, PrettyPrinter pp)
{
    super(writeCtxt, features);
    _ioContext = ctxt;
    if (Feature.ESCAPE_NON_ASCII.enabledIn(features)) {
        // inlined `setHighestNonEscapedChar()`
        _maximumNonEscapedChar = 127;
    }
    _cfgUnqNames = !Feature.QUOTE_FIELD_NAMES.enabledIn(features);
    _rootValueSeparator = rvs;

    _cfgPrettyPrinter = pp;
    // 03-Oct-2017, tatu: Not clean (shouldn't call non-static methods from ctor),
    //    but for now best way to avoid code duplication
    setCharacterEscapes(charEsc);
}
 

import com.fasterxml.jackson.core.io.IOContext; //导入依赖的package包/类
public UTF8JsonGenerator(ObjectWriteContext writeCtxt, IOContext ioCtxt,
        int features, OutputStream out,
        SerializableString rootValueSep, CharacterEscapes charEsc, PrettyPrinter pp)
{
    super(writeCtxt, ioCtxt, features, rootValueSep, charEsc, pp);
    _outputStream = out;
    _bufferRecyclable = true;
    _outputBuffer = ioCtxt.allocWriteEncodingBuffer();
    _outputEnd = _outputBuffer.length;
    // To be exact, each char can take up to 6 bytes when escaped (Unicode
    // escape with backslash, 'u' and 4 hex digits); but to avoid fluctuation,
    // we will actually round down to only do up to 1/8 number of chars
    _outputMaxContiguous = _outputEnd >> 3;
    _charBuffer = ioCtxt.allocConcatBuffer();
    _charBufferLength = _charBuffer.length;

    // By default we use this feature to determine additional quoting
    if (isEnabled(Feature.ESCAPE_NON_ASCII)) {
        setHighestNonEscapedChar(127);
    }
}
 

import com.fasterxml.jackson.core.io.IOContext; //导入依赖的package包/类
/**
 * Method called when caller wants to provide input buffer directly,
 * and it may or may not be recyclable use standard recycle context.
 */
public ReaderBasedJsonParser(ObjectReadContext readCtxt, IOContext ctxt,
        int features, Reader r,
        CharsToNameCanonicalizer st,
        char[] inputBuffer, int start, int end,
        boolean bufferRecyclable)
{
    super(readCtxt, ctxt, features);
    _reader = r;
    _inputBuffer = inputBuffer;
    _inputPtr = start;
    _inputEnd = end;
    _symbols = st;
    _hashSeed = st.hashSeed();
    _bufferRecyclable = bufferRecyclable;
}
 

import com.fasterxml.jackson.core.io.IOContext; //导入依赖的package包/类
@Test
public void test_decodeBase64ThrowsEOFException() throws IOException {
    IOContext ioContext = new IOContext(new BufferRecycler(), this, true);
    byte[] byteArray = new byte[5];
    InputStream byteArrayInputStream = new ByteArrayInputStream(byteArray);
    DataInputStream dataInputStream = new DataInputStream(byteArrayInputStream);
    ByteQuadsCanonicalizer byteQuadsCanonicalizer = ByteQuadsCanonicalizer.createRoot();
    UTF8DataInputJsonParser uTF8DataInputJsonParser = new UTF8DataInputJsonParser(ObjectReadContext.empty(),
            ioContext, (byte) 26, dataInputStream, byteQuadsCanonicalizer, 3);

    try {
        uTF8DataInputJsonParser._decodeBase64(null);
        fail("Expecting exception: EOFException");
    } catch (EOFException e) {
        assertEquals(DataInputStream.class.getName(), e.getStackTrace()[0].getClassName());
    }
}
 

import com.fasterxml.jackson.core.io.IOContext; //导入依赖的package包/类
@Test
public void test_skipStringThrowsIOException() {
    IOContext ioContext = new IOContext(new BufferRecycler(), this, false);
    byte[] byteArray = new byte[12];
    byteArray[4] = (byte) (-10);
    InputStream byteArrayInputStream = new ByteArrayInputStream(byteArray);
    DataInputStream dataInputStream = new DataInputStream(byteArrayInputStream);
    UTF8DataInputJsonParser uTF8DataInputJsonParser = new UTF8DataInputJsonParser(ObjectReadContext.empty(),
            ioContext, 100, dataInputStream, null, 11);

    try {
        uTF8DataInputJsonParser._skipString();
        fail("Expecting exception: IOException");
    } catch (IOException e) {
        assertEquals(JsonParser.class.getName(), e.getStackTrace()[0].getClassName());
    }
}
 

import com.fasterxml.jackson.core.io.IOContext; //导入依赖的package包/类
@Test
public void testNextBooleanValueThrowsIOException() {
    IOContext ioContext = new IOContext(new BufferRecycler(), this, false);
    byte[] byteArray = new byte[12];
    byteArray[4] = (byte) (-10);
    InputStream byteArrayInputStream = new ByteArrayInputStream(byteArray);
    DataInputStream dataInputStream = new DataInputStream(byteArrayInputStream);
    UTF8DataInputJsonParser uTF8DataInputJsonParser = new UTF8DataInputJsonParser(ObjectReadContext.empty(),
            ioContext, 100, dataInputStream, null, 11);

    try {
        uTF8DataInputJsonParser.nextBooleanValue();
        fail("Expecting exception: IOException");
    } catch (IOException e) {
        assertEquals(JsonParser.class.getName(), e.getStackTrace()[0].getClassName());
    }
}
 

import com.fasterxml.jackson.core.io.IOContext; //导入依赖的package包/类
@Test
public void testNextTextValueThrowsIOException() {
    IOContext ioContext = new IOContext(new BufferRecycler(), this, false);
    byte[] byteArray = new byte[20];
    byteArray[0] = (byte) 47;
    InputStream byteArrayInputStream = new ByteArrayInputStream(byteArray);
    DataInputStream dataInputStream = new DataInputStream(byteArrayInputStream);
    UTF8DataInputJsonParser uTF8DataInputJsonParser = new UTF8DataInputJsonParser(ObjectReadContext.empty(),
            ioContext, 915, dataInputStream, null, (byte) 47);

    try {
        uTF8DataInputJsonParser.nextTextValue();
        fail("Expecting exception: IOException");
    } catch (IOException e) {
        assertEquals(JsonParser.class.getName(), e.getStackTrace()[0].getClassName());
    }
}
 

import com.fasterxml.jackson.core.io.IOContext; //导入依赖的package包/类
@Test
public void testNextFieldNameThrowsIOException() {
    IOContext ioContext = new IOContext(new BufferRecycler(), this, false);
    byte[] byteArray = new byte[20];
    byteArray[0] = (byte) 47;
    InputStream byteArrayInputStream = new ByteArrayInputStream(byteArray);
    DataInputStream dataInputStream = new DataInputStream(byteArrayInputStream);
    UTF8DataInputJsonParser uTF8DataInputJsonParser = new UTF8DataInputJsonParser(ObjectReadContext.empty(),
            ioContext, 100, dataInputStream, null, -2624);

    try {
        uTF8DataInputJsonParser.nextFieldName();
        fail("Expecting exception: IOException");
    } catch (IOException e) {
        assertEquals(JsonParser.class.getName(), e.getStackTrace()[0].getClassName());
    }
}
 

import com.fasterxml.jackson.core.io.IOContext; //导入依赖的package包/类
@Test
public void test_handleAposThrowsIOException() {
    IOContext ioContext = new IOContext(new BufferRecycler(), this, false);
    byte[] byteArray = new byte[7];
    byteArray[0] = (byte) (-80);
    InputStream byteArrayInputStream = new ByteArrayInputStream(byteArray);
    DataInputStream dataInputStream = new DataInputStream(byteArrayInputStream);
    ByteQuadsCanonicalizer byteQuadsCanonicalizer = ByteQuadsCanonicalizer.createRoot();
    UTF8DataInputJsonParser uTF8DataInputJsonParser = new UTF8DataInputJsonParser(ObjectReadContext.empty(),
            ioContext, 3, dataInputStream, byteQuadsCanonicalizer, 1);

    try {
        uTF8DataInputJsonParser._handleApos();
        fail("Expecting exception: IOException");
    } catch (IOException e) {
        assertEquals(JsonParser.class.getName(), e.getStackTrace()[0].getClassName());
    }
}
 

import com.fasterxml.jackson.core.io.IOContext; //导入依赖的package包/类
@Test
public void test_parseAposNameThrowsEOFException() throws IOException {
    IOContext ioContext = new IOContext(new BufferRecycler(), this, false);
    byte[] byteArray = new byte[17];
    byteArray[4] = (byte) 43;
    InputStream byteArrayInputStream = new ByteArrayInputStream(byteArray);
    DataInputStream dataInputStream = new DataInputStream(byteArrayInputStream);
    ByteQuadsCanonicalizer byteQuadsCanonicalizer = ByteQuadsCanonicalizer.createRoot();
    UTF8DataInputJsonParser uTF8DataInputJsonParser = new UTF8DataInputJsonParser(ObjectReadContext.empty(),
            ioContext, 42, dataInputStream, byteQuadsCanonicalizer, 0);

    try {
        uTF8DataInputJsonParser._parseAposName();
        fail("Expecting exception: EOFException");
    } catch (EOFException e) {
        assertEquals(DataInputStream.class.getName(), e.getStackTrace()[0].getClassName());
    }
}
 

import com.fasterxml.jackson.core.io.IOContext; //导入依赖的package包/类
@Test
public void testParseEscapedNameThrowsArrayIndexOutOfBoundsException() throws IOException {
    IOContext ioContext = new IOContext((BufferRecycler) null, null, false);
    PipedOutputStream pipedOutputStream = new PipedOutputStream();
    PipedInputStream pipedInputStream = new PipedInputStream(pipedOutputStream, 131);
    DataInputStream dataInputStream = new DataInputStream(pipedInputStream);
    ByteQuadsCanonicalizer byteQuadsCanonicalizer = ByteQuadsCanonicalizer.createRoot();
    UTF8DataInputJsonParser uTF8DataInputJsonParser = new UTF8DataInputJsonParser(ObjectReadContext.empty(),
            ioContext, 131, dataInputStream, byteQuadsCanonicalizer, (byte) 57);
    int[] intArray = new int[3];

    try {
        uTF8DataInputJsonParser.parseEscapedName(intArray, 56, (byte) 72, (byte) 127, (byte) 57);
        fail("Expecting exception: ArrayIndexOutOfBoundsException");
    } catch (ArrayIndexOutOfBoundsException e) {
        assertEquals(UTF8DataInputJsonParser.class.getName(), e.getStackTrace()[0].getClassName());
    }
}
 

import com.fasterxml.jackson.core.io.IOContext; //导入依赖的package包/类
@Test
public void test_parseNegNumberThrowsIOException() throws IOException {
    IOContext ioContext = new IOContext(new BufferRecycler(), this, false);
    byte[] byteArray = new byte[20];
    byteArray[2] = (byte) 73;
    InputStream byteArrayInputStream = new ByteArrayInputStream(byteArray);
    DataInputStream dataInputStream = new DataInputStream(byteArrayInputStream);
    UTF8DataInputJsonParser uTF8DataInputJsonParser = new UTF8DataInputJsonParser(ObjectReadContext.empty(),
            ioContext, 100, dataInputStream, null, 3);
    dataInputStream.readUnsignedShort();

    try {
        uTF8DataInputJsonParser._parseNegNumber();
        fail("Expecting exception: IOException");
    } catch (IOException e) {
        assertEquals(JsonParser.class.getName(), e.getStackTrace()[0].getClassName());
    }
}
 

import com.fasterxml.jackson.core.io.IOContext; //导入依赖的package包/类
@Test
public void test_parsePosNumber() throws IOException {
    byte[] byteArray = new byte[2];
    byteArray[0] = (byte) 51;
    byteArray[1] = (byte) 22;
    IOContext ioContext = new IOContext(new BufferRecycler(), byteArray, false);
    InputStream byteArrayInputStream = new ByteArrayInputStream(byteArray);
    ByteQuadsCanonicalizer byteQuadsCanonicalizer = ByteQuadsCanonicalizer.createRoot();
    DataInputStream dataInputStream = new DataInputStream(byteArrayInputStream);
    UTF8DataInputJsonParser uTF8DataInputJsonParser = new UTF8DataInputJsonParser(ObjectReadContext.empty(),
            ioContext, 1568, dataInputStream, byteQuadsCanonicalizer, 13);
    JsonToken jsonToken = uTF8DataInputJsonParser._parsePosNumber(7);

    assertEquals(7, jsonToken.id());
    assertNull(jsonToken.asString());
}