/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2006-2009 Sun Microsystems, Inc.
* Portions Copyright 2011-2013 ForgeRock AS
*/
/**
* This class defines the LDAP syntax description syntax, which is used to
* hold attribute syntax definitions in the server schema. The format of this
* syntax is defined in RFC 2252.
*/
public class LDAPSyntaxDescriptionSyntax
extends AttributeSyntax<AttributeSyntaxCfg>
{
/**
* The tracer object for the debug logger.
*/
// The default equality matching rule for this syntax.
// The default ordering matching rule for this syntax.
// The default substring matching rule for this syntax.
/**
* Creates a new instance of this syntax. Note that the only thing that
* should be done here is to invoke the default constructor for the
* superclass. All initialization should be performed in the
* <CODE>initializeSyntax</CODE> method.
*/
public LDAPSyntaxDescriptionSyntax()
{
super();
}
/**
* {@inheritDoc}
*/
throws ConfigException
{
if (defaultEqualityMatchingRule == null)
{
}
if (defaultOrderingMatchingRule == null)
{
}
if (defaultSubstringMatchingRule == null)
{
}
}
/**
* Retrieves the common name for this attribute syntax.
*
* @return The common name for this attribute syntax.
*/
{
return SYNTAX_LDAP_SYNTAX_NAME;
}
/**
* Retrieves the OID for this attribute syntax.
*
* @return The OID for this attribute syntax.
*/
{
return SYNTAX_LDAP_SYNTAX_OID;
}
/**
* Retrieves a description for this attribute syntax.
*
* @return A description for this attribute syntax.
*/
{
return SYNTAX_LDAP_SYNTAX_DESCRIPTION;
}
/**
* Retrieves the default equality matching rule that will be used for
* attributes with this syntax.
*
* @return The default equality matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if equality
* matches will not be allowed for this type by default.
*/
{
return defaultEqualityMatchingRule;
}
/**
* Retrieves the default ordering matching rule that will be used for
* attributes with this syntax.
*
* @return The default ordering matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if ordering
* matches will not be allowed for this type by default.
*/
{
return defaultOrderingMatchingRule;
}
/**
* Retrieves the default substring matching rule that will be used for
* attributes with this syntax.
*
* @return The default substring matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if substring
* matches will not be allowed for this type by default.
*/
{
return defaultSubstringMatchingRule;
}
/**
* Retrieves the default approximate matching rule that will be used for
* attributes with this syntax.
*
* @return The default approximate matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if approximate
* matches will not be allowed for this type by default.
*/
{
// There is no approximate matching rule by default.
return null;
}
/**
* Decodes the contents of the provided byte sequence as an ldap syntax
* definition according to the rules of this syntax. Note that the provided
* byte sequence value does not need to be normalized (and in fact, it should
* not be in order to allow the desired capitalization to be preserved).
*
* @param value The byte sequence containing the value
* to decode (it does not need to be
* normalized).
* @param schema The schema to use to resolve references to
* other schema elements.
* @param allowUnknownElements Indicates whether to allow values that are
* not defined in the server schema. This
* should only be true when called by
* {@code valueIsAcceptable}.
* Not used for LDAP Syntaxes
*
* @return The decoded ldapsyntax definition.
*
* @throws DirectoryException If the provided value cannot be decoded as an
* ldapsyntax definition.
*/
boolean allowUnknownElements) throws DirectoryException
{
// Get string representations of the provided value using the provided form.
// We'll do this a character at a time. First, skip over any leading
// whitespace.
int pos = 0;
{
pos++;
}
{
// This means that the value was empty or contained only whitespace. That
// is illegal.
message);
}
// The next character must be an open parenthesis. If it is not, then that
// is an error.
if (c != '(')
{
message);
}
// Skip over any spaces immediately following the opening parenthesis.
{
pos++;
}
{
// This means that the end of the value was reached before we could find
// the OID. Ths is illegal.
valueStr);
message);
}
int oidStartPos = pos;
if (isDigit(c))
{
// This must be a numeric OID. In that case, we will accept only digits
// and periods, but not consecutive periods.
boolean lastWasPeriod = false;
{
if (c == '.')
{
if (lastWasPeriod)
{
message);
}
else
{
lastWasPeriod = true;
}
}
else if (! isDigit(c))
{
// This must have been an illegal character.
message);
}
else
{
lastWasPeriod = false;
}
pos++;
}
}
else
{
// This must be a "fake" OID. In this case, we will only accept
// alphabetic characters, numeric digits, and the hyphen.
{
{
// This is fine. It is an acceptable character.
pos++;
}
else
{
// This must have been an illegal character.
message);
}
}
}
// If we're at the end of the value, then it isn't a valid attribute type
// description. Otherwise, parse out the OID.
{
valueStr);
message);
}
else
{
}
// Skip over the space(s) after the OID.
{
pos++;
}
{
// This means that the end of the value was reached before we could find
// the OID. Ths is illegal.
valueStr);
message);
}
// At this point, we should have a pretty specific syntax that describes
// what may come next, but some of the components are optional and it would
// be pretty easy to put something in the wrong order, so we will be very
// flexible about what we can accept. Just look at the next token, figure
// out what it is and how to treat what comes after it, then repeat until
// we get to the end of the value. But before we start, set default values
// for everything else we might need to know.
boolean hasXSyntaxToken = false;
while (true)
{
{
// We must be at the end of the value. If not, then that's a problem.
{
message);
}
break;
}
{
// This specifies the description for the attribute type. It is an
// arbitrary string of characters enclosed in single quotes.
}
{
if (hasXSyntaxToken)
{
// We've already seen syntax extension. More than 1 is not allowed
message);
}
hasXSyntaxToken = true;
{
message);
}
}
{
if (hasXSyntaxToken)
{
// We've already seen syntax extension. More than 1 is not allowed
message);
}
hasXSyntaxToken = true;
{
valueStr);
message);
}
try
{
}
catch(Exception e)
{
message);
}
}
{
if (hasXSyntaxToken)
{
// We've already seen syntax extension. More than 1 is not allowed
message);
}
hasXSyntaxToken = true;
{
message);
}
// Parse all enum values, check for uniqueness
{
{
message);
}
}
}
{
// This must be a non-standard property and it must be followed by
// either a single value in single quotes or an open parenthesis
// followed by one or more values in single quotes separated by spaces
// followed by a close parenthesis.
}
else
{
// Unknown Token
message);
}
}
{
// Schema backend.
syntax = new LDAPSyntaxDescriptionSyntax();
}
//Since we reached here it means everything is OK.
}
/**
* Indicates whether the provided value is acceptable for use in an attribute
* with this syntax. If it is not, then the reason may be appended to the
* provided buffer.
*
* @param value The value for which to make the determination.
* @param invalidReason The buffer to which the invalid reason should be
* appended.
*
* @return <CODE>true</CODE> if the provided value is acceptable for use with
* this syntax, or <CODE>false</CODE> if not.
*/
{
// We'll use the decodeAttributeType method to determine if the value is
// acceptable.
try
{
return true;
}
catch (DirectoryException de)
{
if (debugEnabled())
{
}
return false;
}
}
/**
* Reads the next token name from the attribute syntax definition, skipping
* over any leading or trailing spaces, and appends it to the provided buffer.
*
* @param valueStr The string representation of the attribute syntax
* definition.
* @param tokenName The buffer into which the token name will be written.
* @param startPos The position in the provided string at which to start
* reading the token name.
*
* @return The position of the first character that is not part of the token
* name or one of the trailing spaces after it.
*
* @throws DirectoryException If a problem is encountered while reading the
* token name.
*/
int startPos)
throws DirectoryException
{
// Skip over any spaces at the beginning of the value.
char c = '\u0000';
{
startPos++;
}
{
throw new DirectoryException(
}
// Read until we find the next space.
{
}
// Skip over any trailing spaces after the value.
{
startPos++;
}
// Return the position of the first non-space character after the token.
return startPos;
}
/**
* Reads the value of a string enclosed in single quotes, skipping over the
* quotes and any leading or trailing spaces, and appending the string to the
* provided buffer.
*
* @param valueStr The user-provided representation of the attribute type
* definition.
* @param valueBuffer The buffer into which the user-provided representation
* of the value will be placed.
* @param startPos The position in the provided string at which to start
* reading the quoted string.
*
* @return The position of the first character that is not part of the quoted
* string or one of the trailing spaces after it.
*
* @throws DirectoryException If a problem is encountered while reading the
* quoted string.
*/
throws DirectoryException
{
// Skip over any spaces at the beginning of the value.
char c = '\u0000';
{
startPos++;
}
{
throw new DirectoryException(
}
// The next character must be a single quote.
if (c != '\'')
{
throw new DirectoryException(
}
// Read until we find the closing quote.
startPos++;
{
valueBuffer.append(c);
startPos++;
}
// Skip over any trailing spaces after the value.
startPos++;
{
startPos++;
}
// If we're at the end of the value, then that's illegal.
{
throw new DirectoryException(
}
// Return the position of the first non-space character after the token.
return startPos;
}
/**
* Reads the value for an "extra" parameter. It will handle a single unquoted
* word (which is technically illegal, but we'll allow it), a single quoted
* string, or an open parenthesis followed by a space-delimited set of quoted
* strings or unquoted words followed by a close parenthesis.
*
* @param valueStr The string containing the information to be read.
* @param valueList The list of "extra" parameter values read so far.
* @param startPos The position in the value string at which to start
* reading.
*
* @return The "extra" parameter value that was read.
*
* @throws DirectoryException If a problem occurs while attempting to read
* the value.
*/
throws DirectoryException
{
// Skip over any leading spaces.
char c = '\u0000';
{
startPos++;
}
{
throw new DirectoryException(
}
// Look at the next character. If it is a quote, then parse until the next
// quote and end. If it is an open parenthesis, then parse individual
// values until the close parenthesis and end. Otherwise, parse until the
// next space and end.
if (c == '\'')
{
// Parse until the closing quote.
startPos++;
{
valueBuffer.append(c);
startPos++;
}
startPos++;
}
else if (c == '(')
{
startPos++;
// We're expecting a list of values. Quoted, space separated.
while (true)
{
// Skip over any leading spaces;
{
startPos++;
}
{
message);
}
if (c == ')')
{
// This is the end of the list.
startPos++;
break;
}
else if (c == '(')
{
// This is an illegal character.
message);
}
else if (c == '\'')
{
// We have a quoted string
startPos++;
{
valueBuffer.append(c);
startPos++;
}
startPos++;
}
else
{
//Consider unquoted string
{
valueBuffer.append(c);
startPos++;
}
}
{
message);
}
}
}
else
{
// Parse until the next space.
{
valueBuffer.append(c);
startPos++;
}
}
// Skip over any trailing spaces.
{
startPos++;
}
{
throw new DirectoryException(
}
return startPos;
}
/**
* {@inheritDoc}
*/
public boolean isBinary()
{
return false;
}
/**
* {@inheritDoc}
*/
public boolean isHumanReadable()
{
return true;
}
/**
* This class provides a substitution mechanism where one unimplemented
* syntax can be substituted by another defined syntax. A substitution syntax
* is an LDAPSyntaxDescriptionSyntax with X-SUBST extension.
*/
private static class SubstitutionSyntax extends
{
// The syntax that will substitute the unimplemented syntax.
// The description of this syntax.
// The definition of this syntax.
//The oid of this syntax.
//Creates a new instance of this syntax.
{
super();
this.definition = definition;
this.description = description;
}
/**
* {@inheritDoc}
*/
{
// There is no name for a substitution syntax.
return null;
}
/**
* {@inheritDoc}
*/
{
return oid;
}
/**
* {@inheritDoc}
*/
{
return description;
}
/**
* {@inheritDoc}
*/
{
return definition;
}
/**
* {@inheritDoc}
*/
{
}
/**
* Retrieves the default equality matching rule that will be used for
* attributes with this syntax.
*
* @return The default equality matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if equality
* matches will not be allowed for this type by default.
*/
{
return subSyntax.getEqualityMatchingRule();
}
/**
* Retrieves the default ordering matching rule that will be used for
* attributes with this syntax.
*
* @return The default ordering matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if ordering
* matches will not be allowed for this type by default.
*/
{
return subSyntax.getOrderingMatchingRule();
}
/**
* Retrieves the default substring matching rule that will be used for
* attributes with this syntax.
*
* @return The default substring matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if substring
* matches will not be allowed for this type by default.
*/
{
return subSyntax.getSubstringMatchingRule();
}
/**
* Retrieves the default approximate matching rule that will be used for
* attributes with this syntax.
*
* @return The default approximate matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if approximate
* matches will not be allowed for this type by default.
*/
{
return subSyntax.getApproximateMatchingRule();
}
}
/**
* This class provides a regex mechanism where a new syntax and its
* corresponding matching rules can be created on-the-fly. A regex
* syntax is an LDAPSyntaxDescriptionSyntax with X-PATTERN extension.
*/
private static class RegexSyntax extends
{
// The Pattern associated with the regex.
// The description of this syntax.
//The oid of this syntax.
//The definition of this syntax.
//The equality matching rule.
//The substring matching rule.
//The ordering matching rule.
//The approximate matching rule.
//Creates a new instance of this syntax.
{
super();
this.definition = definition;
this.description = description;
}
/**
* {@inheritDoc}
*/
{
// There is no name for a regex syntax.
return null;
}
/**
* {@inheritDoc}
*/
{
return oid;
}
/**
* {@inheritDoc}
*/
{
return description;
}
/**
* {@inheritDoc}
*/
{
return definition;
}
/**
* {@inheritDoc}
*/
{
if(!matches)
{
}
return matches;
}
/**
* Retrieves the default equality matching rule that will be used for
* attributes with this syntax.
*
* @return The default equality matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if equality
* matches will not be allowed for this type by default.
*/
{
if(equalityMatchingRule == null)
{
//This has already been verified.
}
return equalityMatchingRule;
}
/**
* Retrieves the default ordering matching rule that will be used for
* attributes with this syntax.
*
* @return The default ordering matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if ordering
* matches will not be allowed for this type by default.
*/
{
if(orderingMatchingRule == null)
{
}
return orderingMatchingRule;
}
/**
* Retrieves the default substring matching rule that will be used for
* attributes with this syntax.
*
* @return The default substring matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if substring
* matches will not be allowed for this type by default.
*/
{
if(substringMatchingRule == null)
{
}
return substringMatchingRule;
}
/**
* Retrieves the default approximate matching rule that will be used for
* attributes with this syntax.
*
* @return The default approximate matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if approximate
* matches will not be allowed for this type by default.
*/
{
if(approximateMatchingRule == null)
{
}
return approximateMatchingRule;
}
}
/**
* This class provides an enumeration-based mechanism where a new syntax
* and its corresponding matching rules can be created on-the-fly. An enum
* syntax is an LDAPSyntaxDescriptionSyntax with X-PATTERN extension.
*/
private static class EnumSyntax extends
{
//Set of read-only enum entries.
// The description of this syntax.
//The oid of this syntax.
//The equality matching rule.
//The substring matching rule.
//The ordering matching rule.
//The approximate matching rule.
//The definition of this syntax.
//Creates a new instance of this syntax.
{
super();
this.definition = definition;
this.description = description;
}
/**
* {@inheritDoc}
*/
{
// There is no name for a enum syntax.
return null;
}
/**
* {@inheritDoc}
*/
{
return oid;
}
/**
* {@inheritDoc}
*/
{
return definition;
}
/**
* {@inheritDoc}
*/
{
return description;
}
/**
* {@inheritDoc}
*/
public void finalizeSyntax()
{
}
/**
* {@inheritDoc}
*/
{
//The value is acceptable if it belongs to the set.
if(!isAllowed)
{
}
return isAllowed;
}
/**
* Retrieves the default equality matching rule that will be used for
* attributes with this syntax.
*
* @return The default equality matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if equality
* matches will not be allowed for this type by default.
*/
{
if(equalityMatchingRule == null)
{
//This has already been verified.
}
return equalityMatchingRule;
}
/**
* Retrieves the default ordering matching rule that will be used for
* attributes with this syntax.
*
* @return The default ordering matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if ordering
* matches will not be allowed for this type by default.
*/
{
if(orderingMatchingRule == null)
{
try
{
}
catch(DirectoryException de)
{
}
}
return orderingMatchingRule;
}
/**
* Retrieves the default substring matching rule that will be used for
* attributes with this syntax.
*
* @return The default substring matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if substring
* matches will not be allowed for this type by default.
*/
{
if(substringMatchingRule == null)
{
}
return substringMatchingRule;
}
/**
* Retrieves the default approximate matching rule that will be used for
* attributes with this syntax.
*
* @return The default approximate matching rule that will be used for
* attributes with this syntax, or <CODE>null</CODE> if approximate
* matches will not be allowed for this type by default.
*/
{
if(approximateMatchingRule == null)
{
}
return approximateMatchingRule;
}
//Returns the associated data structure containing the enum
//values.
{
return entries;
}
/**
* Implementation of an Enum Ordering matching rule.
*/
private final class EnumOrderingMatchingRule
extends AbstractMatchingRule
implements OrderingMatchingRule
{
//The enumeration syntax instance.
//The oid of the matching rule.
//The name of the matching rule.
/**
* Creates a new instance.
*/
{
super();
}
/**
* {@inheritDoc}
*/
{
}
/**
* {@inheritDoc}
*/
{
}
/**
* {@inheritDoc}
*/
{
return name;
}
/**
* {@inheritDoc}
*/
{
}
/**
* {@inheritDoc}
*/
{
return oid;
}
/**
* {@inheritDoc}
*/
{
return null;
}
/**
* {@inheritDoc}
*/
{
return SYNTAX_DIRECTORY_STRING_OID;
}
/**
* {@inheritDoc}
*/
throws DirectoryException
{
if (bufferLength == 0)
{
{
// This should only happen if the value is composed entirely
// of spaces. In that case, the normalized value is a single space.
return SINGLE_SPACE_VALUE;
}
else
{
// The value is empty, so it is already normalized.
return ByteString.empty();
}
}
// Replace any consecutive spaces with a single space.
{
{
{
}
}
}
}
}
}
}