FileDocCategorySizeDatePackage
ValueParser.javaAPI DocAndroid 1.5 API12010Wed May 06 22:42:02 BST 2009com.android.internal.telephony.gsm.stk

ValueParser

public abstract class ValueParser extends Object

Fields Summary
Constructors Summary
Methods Summary
static java.lang.StringretrieveAlphaId(ComprehensionTlv ctlv)
Retrieves alpha identifier from an Alpha Identifier COMPREHENSION-TLV object.

param
ctlv An Alpha Identifier COMPREHENSION-TLV object
return
String corresponding to the alpha identifier
throws
ResultException


        byte[] rawValue = ctlv.getRawValue();
        int valueIndex = ctlv.getValueIndex();
        int length = ctlv.getLength();
        if (length != 0) {
            try {
                return SimUtils.adnStringFieldToString(rawValue, valueIndex,
                        length);
            } catch (IndexOutOfBoundsException e) {
                throw new ResultException(ResultCode.CMD_DATA_NOT_UNDERSTOOD);
            }
        }
        return null;
static CommandDetailsretrieveCommandDetails(ComprehensionTlv ctlv)
Search for a Command Details object from a list.

param
ctlvs List of ComprehensionTlv objects used for search
return
An CtlvCommandDetails object found from the objects. If no Command Details object is found, ResultException is thrown.
throws
ResultException


        CommandDetails cmdDet = new CommandDetails();
        byte[] rawValue = ctlv.getRawValue();
        int valueIndex = ctlv.getValueIndex();
        try {
            cmdDet.compRequired = ctlv.isComprehensionRequired();
            cmdDet.commandNumber = rawValue[valueIndex] & 0xff;
            cmdDet.typeOfCommand = rawValue[valueIndex + 1] & 0xff;
            cmdDet.commandQualifier = rawValue[valueIndex + 2] & 0xff;
            return cmdDet;
        } catch (IndexOutOfBoundsException e) {
            throw new ResultException(ResultCode.CMD_DATA_NOT_UNDERSTOOD);
        }
static DeviceIdentitiesretrieveDeviceIdentities(ComprehensionTlv ctlv)
Search for a Device Identities object from a list.

param
ctlvs List of ComprehensionTlv objects used for search
return
An CtlvDeviceIdentities object found from the objects. If no Command Details object is found, ResultException is thrown.
throws
ResultException


        DeviceIdentities devIds = new DeviceIdentities();
        byte[] rawValue = ctlv.getRawValue();
        int valueIndex = ctlv.getValueIndex();
        try {
            devIds.sourceId = rawValue[valueIndex] & 0xff;
            devIds.destinationId = rawValue[valueIndex + 1] & 0xff;
            return devIds;
        } catch (IndexOutOfBoundsException e) {
            throw new ResultException(ResultCode.REQUIRED_VALUES_MISSING);
        }
static DurationretrieveDuration(ComprehensionTlv ctlv)
Retrieves Duration information from the Duration COMPREHENSION-TLV object.

param
ctlv A Text Attribute COMPREHENSION-TLV object
return
A Duration object
throws
ResultException

        int timeInterval = 0;
        TimeUnit timeUnit = TimeUnit.SECOND;

        byte[] rawValue = ctlv.getRawValue();
        int valueIndex = ctlv.getValueIndex();

        try {
            timeUnit = TimeUnit.values()[(rawValue[valueIndex] & 0xff)];
            timeInterval = rawValue[valueIndex + 1] & 0xff;
        } catch (IndexOutOfBoundsException e) {
            throw new ResultException(ResultCode.CMD_DATA_NOT_UNDERSTOOD);
        }
        return new Duration(timeInterval, timeUnit);
static IconIdretrieveIconId(ComprehensionTlv ctlv)
Retrieves icon id from an Icon Identifier COMPREHENSION-TLV object

param
ctlv An Icon Identifier COMPREHENSION-TLV object
return
IconId instance
throws
ResultException

        IconId id = new IconId();

        byte[] rawValue = ctlv.getRawValue();
        int valueIndex = ctlv.getValueIndex();
        try {
            id.selfExplanatory = (rawValue[valueIndex++] & 0xff) == 0x00;
            id.recordNumber = rawValue[valueIndex] & 0xff;
        } catch (IndexOutOfBoundsException e) {
            throw new ResultException(ResultCode.CMD_DATA_NOT_UNDERSTOOD);
        }

        return id;
static ItemretrieveItem(ComprehensionTlv ctlv)
Retrieves Item information from the COMPREHENSION-TLV object.

param
ctlv A Text Attribute COMPREHENSION-TLV object
return
An Item
throws
ResultException

        Item item = null;

        byte[] rawValue = ctlv.getRawValue();
        int valueIndex = ctlv.getValueIndex();
        int length = ctlv.getLength();

        if (length != 0) {
            int textLen = length - 1;

            try {
                int id = rawValue[valueIndex] & 0xff;
                String text = SimUtils.adnStringFieldToString(rawValue,
                        valueIndex + 1, textLen);
                item = new Item(id, text);
            } catch (IndexOutOfBoundsException e) {
                throw new ResultException(ResultCode.CMD_DATA_NOT_UNDERSTOOD);
            }
        }

        return item;
static intretrieveItemId(ComprehensionTlv ctlv)
Retrieves Item id information from the COMPREHENSION-TLV object.

param
ctlv A Text Attribute COMPREHENSION-TLV object
return
An Item id
throws
ResultException

        int id = 0;

        byte[] rawValue = ctlv.getRawValue();
        int valueIndex = ctlv.getValueIndex();

        try {
            id = rawValue[valueIndex] & 0xff;
        } catch (IndexOutOfBoundsException e) {
            throw new ResultException(ResultCode.CMD_DATA_NOT_UNDERSTOOD);
        }

        return id;
static ItemsIconIdretrieveItemsIconId(ComprehensionTlv ctlv)
Retrieves item icons id from an Icon Identifier List COMPREHENSION-TLV object

param
ctlv An Item Icon List Identifier COMPREHENSION-TLV object
return
ItemsIconId instance
throws
ResultException

        StkLog.d("ValueParser", "retrieveItemsIconId:");
        ItemsIconId id = new ItemsIconId();

        byte[] rawValue = ctlv.getRawValue();
        int valueIndex = ctlv.getValueIndex();
        int numOfItems = ctlv.getLength() - 1;
        id.recordNumbers = new int[numOfItems];

        try {
            // get icon self-explanatory
            id.selfExplanatory = (rawValue[valueIndex++] & 0xff) == 0x00;

            for (int index = 0; index < numOfItems;) {
                id.recordNumbers[index++] = rawValue[valueIndex++];
            }
        } catch (IndexOutOfBoundsException e) {
            throw new ResultException(ResultCode.CMD_DATA_NOT_UNDERSTOOD);
        }
        return id;
static java.util.ListretrieveTextAttribute(ComprehensionTlv ctlv)
Retrieves text attribute information from the Text Attribute COMPREHENSION-TLV object.

param
ctlv A Text Attribute COMPREHENSION-TLV object
return
A list of TextAttribute objects
throws
ResultException

        ArrayList<TextAttribute> lst = new ArrayList<TextAttribute>();

        byte[] rawValue = ctlv.getRawValue();
        int valueIndex = ctlv.getValueIndex();
        int length = ctlv.getLength();

        if (length != 0) {
            // Each attribute is consisted of four bytes
            int itemCount = length / 4;

            try {
                for (int i = 0; i < itemCount; i++, valueIndex += 4) {
                    int start = rawValue[valueIndex] & 0xff;
                    int textLength = rawValue[valueIndex + 1] & 0xff;
                    int format = rawValue[valueIndex + 2] & 0xff;
                    int colorValue = rawValue[valueIndex + 3] & 0xff;

                    int alignValue = format & 0x03;
                    TextAlignment align = TextAlignment.fromInt(alignValue);

                    int sizeValue = (format >> 2) & 0x03;
                    FontSize size = FontSize.fromInt(sizeValue);
                    if (size == null) {
                        // Font size value is not defined. Use default.
                        size = FontSize.NORMAL;
                    }

                    boolean bold = (format & 0x10) != 0;
                    boolean italic = (format & 0x20) != 0;
                    boolean underlined = (format & 0x40) != 0;
                    boolean strikeThrough = (format & 0x80) != 0;

                    TextColor color = TextColor.fromInt(colorValue);

                    TextAttribute attr = new TextAttribute(start, textLength,
                            align, size, bold, italic, underlined,
                            strikeThrough, color);
                    lst.add(attr);
                }

                return lst;

            } catch (IndexOutOfBoundsException e) {
                throw new ResultException(ResultCode.CMD_DATA_NOT_UNDERSTOOD);
            }
        }
        return null;
static java.lang.StringretrieveTextString(ComprehensionTlv ctlv)
Retrieves text from the Text COMPREHENSION-TLV object, and decodes it into a Java String.

param
ctlv A Text COMPREHENSION-TLV object
return
A Java String object decoded from the Text object
throws
ResultException

        byte[] rawValue = ctlv.getRawValue();
        int valueIndex = ctlv.getValueIndex();
        byte codingScheme = 0x00;
        String text = null;
        int textLen = ctlv.getLength();

        // In case the text length is 0, return a null string.
        if (textLen == 0) {
            return text;
        } else {
            // one byte is coding scheme
            textLen -= 1;
        }

        try {
            codingScheme = (byte) (rawValue[valueIndex] & 0x0c);

            if (codingScheme == 0x00) { // GSM 7-bit packed
                text = GsmAlphabet.gsm7BitPackedToString(rawValue,
                        valueIndex + 1, (textLen * 8) / 7);
            } else if (codingScheme == 0x04) { // GSM 8-bit unpacked
                text = GsmAlphabet.gsm8BitUnpackedToString(rawValue,
                        valueIndex + 1, textLen);
            } else if (codingScheme == 0x08) { // UCS2
                text = new String(rawValue, valueIndex + 1, textLen, "UTF-16");
            } else {
                throw new ResultException(ResultCode.CMD_DATA_NOT_UNDERSTOOD);
            }

            return text;
        } catch (IndexOutOfBoundsException e) {
            throw new ResultException(ResultCode.CMD_DATA_NOT_UNDERSTOOD);
        } catch (UnsupportedEncodingException e) {
            // This should never happen.
            throw new ResultException(ResultCode.CMD_DATA_NOT_UNDERSTOOD);
        }