Example usage for java.io DataOutput write

Introduction

In this page you can find the example usage for java.io DataOutput write.

Prototype

void write(byte b[]) throws IOException;

Source Link

Document

Writes to the output stream all the bytes in array b.

Usage

From source file:org.apache.vxquery.jsonparser.JSONParser.java

public int parse(Reader input, ArrayBackedValueStorage result) throws HyracksDataException {
    int items = 0;
    try {//from www .  j a  v  a 2 s  .  c  o m
        DataOutput outResult = result.getDataOutput();
        JsonParser parser = factory.createParser(input);
        JsonToken token = parser.nextToken();
        checkItem = null;
        levelArray = 0;
        levelObject = 0;
        sb.reset(result);
        while (token != null) {
            if (itemStack.size() > 1) {
                checkItem = itemStack.get(itemStack.size() - 2);
            }
            switch (token) {
            case START_ARRAY:
                startArray();
                break;
            case START_OBJECT:
                startObject();
                break;
            case FIELD_NAME:
                startFieldName(parser);
                break;
            case VALUE_NUMBER_INT:
                startAtomicValues(ValueTag.XS_INTEGER_TAG, parser);
                break;
            case VALUE_STRING:
                startAtomicValues(ValueTag.XS_STRING_TAG, parser);
                break;
            case VALUE_NUMBER_FLOAT:
                startAtomicValues(ValueTag.XS_DOUBLE_TAG, parser);
                break;
            case END_ARRAY:
                abStack.get(levelArray - 1).finish();
                if (itemStack.size() > 1) {
                    if (checkItem == itemType.ARRAY) {
                        abStack.get(levelArray - 2).addItem(abvsStack.get(levelArray + levelObject));
                    } else if (checkItem == itemType.OBJECT) {
                        obStack.get(levelObject - 1).addItem(spStack.get(levelObject - 1),
                                abvsStack.get(levelArray + levelObject));
                    }
                }
                itemStack.remove(itemStack.size() - 1);
                levelArray--;
                if (levelArray + levelObject == 0) {
                    sb.addItem(abvsStack.get(1));
                    items++;
                }
                break;
            case END_OBJECT:
                obStack.get(levelObject - 1).finish();
                if (itemStack.size() > 1) {
                    if (checkItem == itemType.OBJECT) {
                        obStack.get(levelObject - 2).addItem(spStack.get(levelObject - 2),
                                abvsStack.get(levelArray + levelObject));
                    } else if (checkItem == itemType.ARRAY) {
                        abStack.get(levelArray - 1).addItem(abvsStack.get(levelArray + levelObject));
                    }
                }
                itemStack.remove(itemStack.size() - 1);
                levelObject--;
                if (levelObject + levelArray == 0) {
                    sb.addItem(abvsStack.get(1));
                    items++;
                }
                break;
            default:
                break;
            }
            token = parser.nextToken();
        }
        sb.finish();
        outResult.write(result.getByteArray());
    } catch (Exception e) {
        throw new HyracksDataException("Accessing or writing in out of bounds space", e);
    }
    return items;
}

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From source file:org.apache.vxquery.jsonparser.JSONParser.java

public void atomicValues(int tag, JsonParser parser, DataOutput out, StringValueBuilder svb, int levelArray,
        int levelObject) throws IOException {
    abvsStack.get(0).reset();/* ww w.j a  va  2 s .com*/
    out.write(tag);
    if (tag == ValueTag.XS_DOUBLE_TAG) {
        out.writeDouble(parser.getDoubleValue());
    } else if (tag == ValueTag.XS_STRING_TAG) {
        svb.write(parser.getText(), out);
    } else if (tag == ValueTag.XS_INTEGER_TAG) {
        out.writeLong(parser.getLongValue());
    }
    if (!itemStack.isEmpty()) {
        if (itemStack.get(itemStack.size() - 1) == itemType.ARRAY) {
            abStack.get(levelArray - 1).addItem(abvsStack.get(0));
            if (valueSeq != null && this.matched && levelArray == this.arrayMatchLevel) {
                this.literal = true;
                this.matched = false;
                writeElement(abvsStack.get(0));
            }
        } else if (itemStack.get(itemStack.size() - 1) == itemType.OBJECT) {
            obStack.get(levelObject - 1).addItem(spStack.get(levelObject - 1), abvsStack.get(0));
            if (valueSeq != null && this.matched && levelObject == this.objectMatchLevel) {
                this.literal = true;
                this.matched = false;
                writeElement(abvsStack.get(0));
            }
        }
    }
}

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From source file:org.apache.vxquery.runtime.functions.cast.CastToBase64BinaryOperation.java

@Override
public void convertBase64Binary(XSBinaryPointable binaryp, DataOutput dOut)
        throws SystemException, IOException {
    dOut.write(ValueTag.XS_BASE64_BINARY_TAG);
    dOut.write(binaryp.getByteArray(), binaryp.getStartOffset(), binaryp.getLength());
}

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From source file:org.apache.vxquery.runtime.functions.cast.CastToBase64BinaryOperation.java

@Override
public void convertHexBinary(XSBinaryPointable binaryp, DataOutput dOut) throws SystemException, IOException {
    dOut.write(ValueTag.XS_BASE64_BINARY_TAG);
    dOut.write(binaryp.getByteArray(), binaryp.getStartOffset(), binaryp.getLength());
}

---

From source file:org.apache.vxquery.runtime.functions.cast.CastToBase64BinaryOperation.java

@Override
public void convertString(UTF8StringPointable stringp, DataOutput dOut) throws SystemException, IOException {
    baaos.reset();/*from   ww  w  . jav  a 2 s .c  o  m*/
    Base64OutputStream b64os = new Base64OutputStream(baaos, false);
    b64os.write(stringp.getByteArray(), stringp.getStartOffset() + 2, stringp.getLength() - 2);

    dOut.write(ValueTag.XS_BASE64_BINARY_TAG);
    dOut.write((byte) ((baaos.size() >>> 8) & 0xFF));
    dOut.write((byte) ((baaos.size() >>> 0) & 0xFF));
    dOut.write(baaos.getByteArray(), 0, baaos.size());
}

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From source file:org.apache.vxquery.runtime.functions.cast.CastToStringOperation.java

@Override
public void convertAnyURI(UTF8StringPointable stringp, DataOutput dOut) throws SystemException, IOException {
    dOut.write(returnTag);
    dOut.write(stringp.getByteArray(), stringp.getStartOffset(), stringp.getLength());
}

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From source file:org.apache.vxquery.runtime.functions.cast.CastToStringOperation.java

@Override
public void convertBase64Binary(XSBinaryPointable binaryp, DataOutput dOut)
        throws SystemException, IOException {
    baaos.reset();//from ww  w  .j av  a 2 s.c om
    @SuppressWarnings("resource")
    Base64OutputStream b64os = new Base64OutputStream(baaos, true);
    b64os.write(binaryp.getByteArray(), binaryp.getStartOffset() + 2, binaryp.getLength() - 2);

    dOut.write(returnTag);
    dOut.write((byte) ((baaos.size() >>> 8) & 0xFF));
    dOut.write((byte) ((baaos.size() >>> 0) & 0xFF));
    dOut.write(baaos.getByteArray(), 0, baaos.size());
}

---

From source file:org.apache.vxquery.runtime.functions.cast.CastToStringOperation.java

@Override
public void convertDouble(DoublePointable doublep, DataOutput dOut) throws SystemException, IOException {
    abvsInner.reset();/* w  w  w  .  ja va  2  s  .  c  o  m*/
    double value = doublep.getDouble();

    if (Double.isInfinite(value)) {
        if (value == Double.NEGATIVE_INFINITY) {
            FunctionHelper.writeCharSequence("-", dOutInner);
        }
        FunctionHelper.writeCharSequence("INF", dOutInner);
        sendStringDataOutput(dOut);
    } else if (Double.isNaN(value)) {
        FunctionHelper.writeCharSequence("NaN", dOutInner);
        sendStringDataOutput(dOut);
    } else if (value == -0.0 || value == 0.0) {
        long bits = Double.doubleToLongBits(value);
        boolean negative = ((bits >> 63) == 0) ? false : true;

        if (negative) {
            FunctionHelper.writeChar('-', dOutInner);
        }
        FunctionHelper.writeCharSequence("0", dOutInner);
        sendStringDataOutput(dOut);
    } else if (Math.abs(value) >= 0.000001 && Math.abs(value) <= 10000000) {
        //the jdk (toString function) does not output number in desired format when 
        //a number is between one and ten million, so we take care of this 
        //case separately here.
        CastToDecimalOperation castToDecimal = new CastToDecimalOperation();
        castToDecimal.convertDouble(doublep, dOutInner);
        XSDecimalPointable decp = (XSDecimalPointable) XSDecimalPointable.FACTORY.createPointable();
        decp.set(abvsInner.getByteArray(), abvsInner.getStartOffset() + 1,
                XSDecimalPointable.TYPE_TRAITS.getFixedLength());
        if (Math.abs(value) <= 1000000) {
            convertDecimal(decp, dOut);
        } else {
            decimalToScientificNotn(decp, dOut);
        }
    } else {
        dOut.write(returnTag);
        dOut.writeUTF(Double.toString(value));
    }
}

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From source file:org.apache.vxquery.runtime.functions.cast.CastToStringOperation.java

public void convertDoubleCanonical(DoublePointable doublep, DataOutput dOut)
        throws SystemException, IOException {
    abvsInner.reset();/*from  w  ww .  j ava2s .co  m*/
    double value = doublep.getDouble();

    dOut.write(returnTag);
    dOut.writeUTF(Double.toString(value));
    return;
}

---

From source file:org.apache.vxquery.runtime.functions.cast.CastToStringOperation.java

public void convertFloatCanonical(FloatPointable floatp, DataOutput dOut) throws SystemException, IOException {
    abvsInner.reset();//  www .ja  v  a 2  s .c  o  m
    float value = floatp.getFloat();

    if (Float.isInfinite(value)) {
        if (value == Float.NEGATIVE_INFINITY) {
            FunctionHelper.writeCharSequence("-", dOutInner);
        }
        FunctionHelper.writeCharSequence("INF", dOutInner);
    } else if (Float.isNaN(value)) {
        FunctionHelper.writeCharSequence("NaN", dOutInner);
    } else {
        dOut.write(returnTag);
        dOut.writeUTF(Float.toString(value));
        return;
    }
    sendStringDataOutput(dOut);
}

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