Package org.jboss.dmr

Class ValueExpression

java.lang.Object

org.jboss.dmr.ValueExpression

All Implemented Interfaces:

Externalizable, Serializable

public final class ValueExpression
extends Object
implements Externalizable

A value expression.

Author:

David M. Lloyd

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
ValueExpression(String expressionString)	Construct a new instance.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object other)	Determine whether this object is equal to another.
boolean	equals(ValueExpression other)	Determine whether this object is equal to another.
String	getExpressionString()	Get the raw expression string.
int	hashCode()	Get the hash code of the expression string.
static String	quote(String string)	Quote a string so that it can be used in an expression as a literal string, instead of being expanded.
void	readExternal(ObjectInput in)	Deserialize this instance.
BigDecimal	resolveBigDecimal()	Resolve this expression to a decimal value.
BigDecimal	resolveBigDecimal(ValueExpressionResolver resolver)	Resolve this expression to a decimal value.
BigInteger	resolveBigInteger()	Resolve this expression to a large integer value.
BigInteger	resolveBigInteger(ValueExpressionResolver resolver)	Resolve this expression to a large integer value.
boolean	resolveBoolean()	Resolve this expression to a boolean value.
boolean	resolveBoolean(ValueExpressionResolver resolver)	Resolve this expression to a boolean value.
int	resolveInt()	Resolve this expression to an int value.
int	resolveInt(ValueExpressionResolver resolver)	Resolve this expression to an int value.
long	resolveLong()	Resolve this expression to a long value.
long	resolveLong(ValueExpressionResolver resolver)	Resolve this expression to a long value.
String	resolveString()	Resolve this expression to a string value.
String	resolveString(ValueExpressionResolver resolver)	Resolve this expression to a string value.
String	toString()	Get a printable string representation of this object.
void	writeExternal(ObjectOutput out)	Serialize this instance.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ValueExpression

public ValueExpression(String expressionString)

Construct a new instance.

Parameters:

expressionString - the expression string

Method Detail

quote

public static String quote(String string)

Quote a string so that it can be used in an expression as a literal string, instead of being expanded.

Parameters:

string - the string to quote

Returns:

the quoted string

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Serialize this instance.

Specified by:

writeExternal in interface Externalizable

Parameters:

out - the target stream

Throws:

IOException - if a serialization error occurs

readExternal

public void readExternal(ObjectInput in)
                  throws IOException

Deserialize this instance.

Specified by:

readExternal in interface Externalizable

Parameters:

in - the source stream

Throws:

IOException - if a serialization error occurs

getExpressionString

public String getExpressionString()

Get the raw expression string.

Returns:

the raw expression string (will not be null)

hashCode

public int hashCode()

Get the hash code of the expression string.

Overrides:

hashCode in class Object

Returns:

the hash code

equals

public boolean equals(Object other)

Determine whether this object is equal to another.

Overrides:

equals in class Object

Parameters:

other - the other object

Returns:

true if they are equal, false otherwise

equals

public boolean equals(ValueExpression other)

Determine whether this object is equal to another.

Parameters:

other - the other object

Returns:

true if they are equal, false otherwise

resolveString

public String resolveString()

Resolve this expression to a string value.

Returns:

the resolved value

resolveString

public String resolveString(ValueExpressionResolver resolver)

Resolve this expression to a string value.

Parameters:

resolver - the resolver to use

Returns:

the resolved value

resolveBoolean

public boolean resolveBoolean()

Resolve this expression to a boolean value.

Returns:

the resolved value

resolveBoolean

public boolean resolveBoolean(ValueExpressionResolver resolver)

Resolve this expression to a boolean value.

Parameters:

resolver - the resolver to use

Returns:

the resolved value

resolveInt

public int resolveInt()

Resolve this expression to an int value.

Returns:

the resolved value

resolveInt

public int resolveInt(ValueExpressionResolver resolver)

Resolve this expression to an int value.

Parameters:

resolver - the resolver to use

Returns:

the resolved value

resolveLong

public long resolveLong()

Resolve this expression to a long value.

Returns:

the resolved value

resolveLong

public long resolveLong(ValueExpressionResolver resolver)

Resolve this expression to a long value.

Parameters:

resolver - the resolver to use

Returns:

the resolved value

resolveBigInteger

public BigInteger resolveBigInteger()

Resolve this expression to a large integer value.

Returns:

the resolved value

resolveBigInteger

public BigInteger resolveBigInteger(ValueExpressionResolver resolver)

Resolve this expression to a large integer value.

Parameters:

resolver - the resolver to use

Returns:

the resolved value

resolveBigDecimal

public BigDecimal resolveBigDecimal()

Resolve this expression to a decimal value.

Returns:

the resolved value

resolveBigDecimal

public BigDecimal resolveBigDecimal(ValueExpressionResolver resolver)

Resolve this expression to a decimal value.

Parameters:

resolver - the resolver to use

Returns:

the resolved value

toString

public String toString()

Get a printable string representation of this object.

Overrides:

toString in class Object

Returns:

the string