org.nhindirect.policy

Interface PolicyExpressionSerializer

All Known Implementing Classes:

JavaSerializedObjectLexiconPolicyParser, SimpleTextV1LexiconPolicyParser, XMLLexiconPolicyParser

public interface PolicyExpressionSerializer

Serializes a PolicyExpression to an external medium and vice versa. The format of the serialized object is specific to the concrete implementation of this interface.
Serialized versions of a PolicyExpression are useful to store the intermediate state generated by a PolicyLexiconParser.

Since:

1.0

Author:

Greg Meyer

Method Summary

Methods

Modifier and Type	Method and Description
PolicyExpression	deserialize(InputStream stream) Deserializes the contents of input stream to a PolicyExpression.
void	serialize(PolicyExpression expression, OutputStream stream) Serialized a PolicyExpression to an output stream.

Method Detail

deserialize

PolicyExpression deserialize(InputStream stream)
                             throws PolicyParseException

Deserializes the contents of input stream to a PolicyExpression.

Parameters:

stream - The serialized content in an input stream.

Returns:

The PolicyExpression that has been serialized.

Throws:

PolicyParseException - Thrown if the input stream cannot be deserialized successfully into a PolicyExpression object.

serialize

void serialize(PolicyExpression expression,
             OutputStream stream)
               throws PolicyParseException

Serialized a PolicyExpression to an output stream.

Parameters:

expression - The expression to serialize.

stream - The output stream to write the serialized expression to.

Throws:

PolicyParseException - Thrown if the PolicyExpression object cannot be successfully serialized to the output stream.