Package org.apache.felix.cm.file
Class ConfigurationHandler
- java.lang.Object
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- org.apache.felix.cm.file.ConfigurationHandler
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public class ConfigurationHandler extends Object
TheConfigurationHandler
class implements configuration reading form ajava.io.InputStream
and writing to ajava.io.OutputStream
on behalf of theFilePersistenceManager
class.cfg = prop "=" value . prop = symbolic-name . // 1.4.2 of OSGi Core Specification symbolic-name = token { "." token } . token = { [ 0..9 ] | [ a..z ] | [ A..Z ] | '_' | '-' } . value = [ type ] ( "[" values "]" | "(" values ")" | simple ) . values = simple { "," simple } . simple = """ stringsimple """ . type = // 1-char type code . stringsimple = // quoted string representation of the value .
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Field Summary
Fields Modifier and Type Field Description protected static Map<Integer,Class<?>>
code2Type
protected static String
COLLECTION_LINE_BREAK
protected static String
CRLF
protected static String
ENCODING
protected static String
INDENT
protected static int
TOKEN_ARR_CLOS
protected static int
TOKEN_ARR_OPEN
protected static int
TOKEN_COMMA
protected static int
TOKEN_COMMENT
protected static int
TOKEN_EQ
protected static int
TOKEN_NAME
protected static int
TOKEN_PRIMITIVE_BOOLEAN
protected static int
TOKEN_PRIMITIVE_BYTE
protected static int
TOKEN_PRIMITIVE_CHAR
protected static int
TOKEN_PRIMITIVE_DOUBLE
protected static int
TOKEN_PRIMITIVE_FLOAT
protected static int
TOKEN_PRIMITIVE_INT
protected static int
TOKEN_PRIMITIVE_LONG
protected static int
TOKEN_PRIMITIVE_SHORT
protected static int
TOKEN_SIMPLE_BOOLEAN
protected static int
TOKEN_SIMPLE_BYTE
protected static int
TOKEN_SIMPLE_CHARACTER
protected static int
TOKEN_SIMPLE_DOUBLE
protected static int
TOKEN_SIMPLE_FLOAT
protected static int
TOKEN_SIMPLE_INTEGER
protected static int
TOKEN_SIMPLE_LONG
protected static int
TOKEN_SIMPLE_SHORT
protected static int
TOKEN_SIMPLE_STRING
protected static int
TOKEN_VAL_CLOS
protected static int
TOKEN_VAL_OPEN
protected static int
TOKEN_VEC_CLOS
protected static int
TOKEN_VEC_OPEN
protected static Map<Class<?>,Integer>
type2Code
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static Dictionary
read(InputStream ins)
Reads configuration data from the givenInputStream
and returns a newDictionary
object containing the data.static void
write(OutputStream out, Dictionary properties)
Writes the configuration data from theDictionary
to the givenOutputStream
.
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Field Detail
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ENCODING
protected static final String ENCODING
- See Also:
- Constant Field Values
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TOKEN_NAME
protected static final int TOKEN_NAME
- See Also:
- Constant Field Values
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TOKEN_EQ
protected static final int TOKEN_EQ
- See Also:
- Constant Field Values
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TOKEN_ARR_OPEN
protected static final int TOKEN_ARR_OPEN
- See Also:
- Constant Field Values
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TOKEN_ARR_CLOS
protected static final int TOKEN_ARR_CLOS
- See Also:
- Constant Field Values
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TOKEN_VEC_OPEN
protected static final int TOKEN_VEC_OPEN
- See Also:
- Constant Field Values
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TOKEN_VEC_CLOS
protected static final int TOKEN_VEC_CLOS
- See Also:
- Constant Field Values
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TOKEN_COMMA
protected static final int TOKEN_COMMA
- See Also:
- Constant Field Values
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TOKEN_VAL_OPEN
protected static final int TOKEN_VAL_OPEN
- See Also:
- Constant Field Values
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TOKEN_VAL_CLOS
protected static final int TOKEN_VAL_CLOS
- See Also:
- Constant Field Values
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TOKEN_COMMENT
protected static final int TOKEN_COMMENT
- See Also:
- Constant Field Values
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TOKEN_SIMPLE_STRING
protected static final int TOKEN_SIMPLE_STRING
- See Also:
- Constant Field Values
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TOKEN_SIMPLE_INTEGER
protected static final int TOKEN_SIMPLE_INTEGER
- See Also:
- Constant Field Values
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TOKEN_SIMPLE_LONG
protected static final int TOKEN_SIMPLE_LONG
- See Also:
- Constant Field Values
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TOKEN_SIMPLE_FLOAT
protected static final int TOKEN_SIMPLE_FLOAT
- See Also:
- Constant Field Values
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TOKEN_SIMPLE_DOUBLE
protected static final int TOKEN_SIMPLE_DOUBLE
- See Also:
- Constant Field Values
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TOKEN_SIMPLE_BYTE
protected static final int TOKEN_SIMPLE_BYTE
- See Also:
- Constant Field Values
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TOKEN_SIMPLE_SHORT
protected static final int TOKEN_SIMPLE_SHORT
- See Also:
- Constant Field Values
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TOKEN_SIMPLE_CHARACTER
protected static final int TOKEN_SIMPLE_CHARACTER
- See Also:
- Constant Field Values
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TOKEN_SIMPLE_BOOLEAN
protected static final int TOKEN_SIMPLE_BOOLEAN
- See Also:
- Constant Field Values
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TOKEN_PRIMITIVE_INT
protected static final int TOKEN_PRIMITIVE_INT
- See Also:
- Constant Field Values
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TOKEN_PRIMITIVE_LONG
protected static final int TOKEN_PRIMITIVE_LONG
- See Also:
- Constant Field Values
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TOKEN_PRIMITIVE_FLOAT
protected static final int TOKEN_PRIMITIVE_FLOAT
- See Also:
- Constant Field Values
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TOKEN_PRIMITIVE_DOUBLE
protected static final int TOKEN_PRIMITIVE_DOUBLE
- See Also:
- Constant Field Values
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TOKEN_PRIMITIVE_BYTE
protected static final int TOKEN_PRIMITIVE_BYTE
- See Also:
- Constant Field Values
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TOKEN_PRIMITIVE_SHORT
protected static final int TOKEN_PRIMITIVE_SHORT
- See Also:
- Constant Field Values
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TOKEN_PRIMITIVE_CHAR
protected static final int TOKEN_PRIMITIVE_CHAR
- See Also:
- Constant Field Values
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TOKEN_PRIMITIVE_BOOLEAN
protected static final int TOKEN_PRIMITIVE_BOOLEAN
- See Also:
- Constant Field Values
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CRLF
protected static final String CRLF
- See Also:
- Constant Field Values
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INDENT
protected static final String INDENT
- See Also:
- Constant Field Values
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COLLECTION_LINE_BREAK
protected static final String COLLECTION_LINE_BREAK
- See Also:
- Constant Field Values
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Method Detail
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write
public static void write(OutputStream out, Dictionary properties) throws IOException
Writes the configuration data from theDictionary
to the givenOutputStream
.This method writes at the current location in the stream and does not close the output stream.
- Parameters:
out
- TheOutputStream
to write the configuration data to.properties
- TheDictionary
to write.- Throws:
IOException
- If an error occurs writing to the output stream.
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read
public static Dictionary read(InputStream ins) throws IOException
Reads configuration data from the givenInputStream
and returns a newDictionary
object containing the data.This method reads from the current location in the stream up to the end of the stream but does not close the stream at the end.
- Parameters:
ins
- TheInputStream
from which to read the configuration data.- Returns:
- A
Dictionary
object containing the configuration data. This object may be empty if the stream contains no configuration data. - Throws:
IOException
- If an error occurs reading from the stream. This exception is also thrown if a syntax error is encountered.
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