/*
* 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
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
* 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 2006-2008 Sun Microsystems, Inc.
* Portions Copyright 2012 ForgeRock AS
*/
package org.opends.server.schema;
import java.util.HashSet;
import org.opends.server.admin.std.server.AttributeSyntaxCfg;
import org.opends.server.api.ApproximateMatchingRule;
import org.opends.server.api.AttributeSyntax;
import org.opends.server.api.EqualityMatchingRule;
import org.opends.server.api.OrderingMatchingRule;
import org.opends.server.api.SubstringMatchingRule;
import org.opends.server.config.ConfigException;
import org.opends.server.core.DirectoryServer;
import org.opends.server.types.ByteSequence;
import static org.opends.server.loggers.ErrorLogger.*;
import static org.opends.messages.SchemaMessages.*;
import org.opends.messages.MessageBuilder;
import static org.opends.server.schema.SchemaConstants.*;
/**
* This class implements the teletex terminal identifier attribute syntax, which
* contains a printable string (the terminal identifier) followed by zero or
* more parameters, which start with a dollar sign and are followed by a
* parameter name, a colon, and a value. The parameter value should consist of
* any string of bytes (the dollar sign and backslash must be escaped with a
* preceding backslash), and the parameter name must be one of the following
* strings:
* <UL>
* <LI>graphic</LI>
* <LI>control</LI>
* <LI>misc</LI>
* <LI>page</LI>
* <LI>private</LI>
* </UL>
*/
public class TeletexTerminalIdentifierSyntax
extends AttributeSyntax<AttributeSyntaxCfg>
{
/**
* The set of allowed fax parameter values, formatted entirely in lowercase
* characters.
*/
public static final HashSet<String> ALLOWED_TTX_PARAMETERS =
new HashSet<String>(5);
static
{
ALLOWED_TTX_PARAMETERS.add("graphic");
ALLOWED_TTX_PARAMETERS.add("control");
ALLOWED_TTX_PARAMETERS.add("misc");
ALLOWED_TTX_PARAMETERS.add("page");
ALLOWED_TTX_PARAMETERS.add("private");
}
// The default equality matching rule for this syntax.
private EqualityMatchingRule defaultEqualityMatchingRule;
// The default ordering matching rule for this syntax.
private OrderingMatchingRule defaultOrderingMatchingRule;
// The default substring matching rule for this syntax.
private SubstringMatchingRule defaultSubstringMatchingRule;
/**
* 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 TeletexTerminalIdentifierSyntax()
{
super();
}
/**
* {@inheritDoc}
*/
public void initializeSyntax(AttributeSyntaxCfg configuration)
throws ConfigException
{
defaultEqualityMatchingRule =
DirectoryServer.getEqualityMatchingRule(EMR_CASE_IGNORE_OID);
if (defaultEqualityMatchingRule == null)
{
logError(ERR_ATTR_SYNTAX_UNKNOWN_EQUALITY_MATCHING_RULE.get(
EMR_CASE_IGNORE_OID, SYNTAX_TELETEX_TERM_ID_NAME));
}
defaultOrderingMatchingRule =
DirectoryServer.getOrderingMatchingRule(OMR_CASE_IGNORE_OID);
if (defaultOrderingMatchingRule == null)
{
logError(ERR_ATTR_SYNTAX_UNKNOWN_ORDERING_MATCHING_RULE.get(
OMR_CASE_IGNORE_OID, SYNTAX_TELETEX_TERM_ID_NAME));
}
defaultSubstringMatchingRule =
DirectoryServer.getSubstringMatchingRule(SMR_CASE_IGNORE_OID);
if (defaultSubstringMatchingRule == null)
{
logError(ERR_ATTR_SYNTAX_UNKNOWN_SUBSTRING_MATCHING_RULE.get(
SMR_CASE_IGNORE_OID, SYNTAX_TELETEX_TERM_ID_NAME));
}
}
/**
* Retrieves the common name for this attribute syntax.
*
* @return The common name for this attribute syntax.
*/
public String getSyntaxName()
{
return SYNTAX_TELETEX_TERM_ID_NAME;
}
/**
* Retrieves the OID for this attribute syntax.
*
* @return The OID for this attribute syntax.
*/
public String getOID()
{
return SYNTAX_TELETEX_TERM_ID_OID;
}
/**
* Retrieves a description for this attribute syntax.
*
* @return A description for this attribute syntax.
*/
public String getDescription()
{
return SYNTAX_TELETEX_TERM_ID_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.
*/
public EqualityMatchingRule getEqualityMatchingRule()
{
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.
*/
public OrderingMatchingRule getOrderingMatchingRule()
{
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.
*/
public SubstringMatchingRule getSubstringMatchingRule()
{
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.
*/
public ApproximateMatchingRule getApproximateMatchingRule()
{
// There is no approximate matching rule by default.
return null;
}
/**
* 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.
*/
public boolean valueIsAcceptable(ByteSequence value,
MessageBuilder invalidReason)
{
// Get a lowercase string representation of the value and find its length.
String valueString = value.toString();
int valueLength = valueString.length();
// The value must contain at least one character.
if (valueLength == 0)
{
invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_EMPTY.get());
return false;
}
// The first character must be a printable string character.
char c = valueString.charAt(0);
if (! PrintableString.isPrintableCharacter(c))
{
invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_NOT_PRINTABLE.get(
valueString, String.valueOf(c), 0));
return false;
}
// Continue reading until we find a dollar sign or the end of the string.
// Every intermediate character must be a printable string character.
int pos = 1;
for ( ; pos < valueLength; pos++)
{
c = valueString.charAt(pos);
if (c == '$')
{
pos++;
break;
}
else
{
if (! PrintableString.isPrintableCharacter(c))
{
invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_NOT_PRINTABLE.get(
valueString, String.valueOf(c), pos));
}
}
}
if (pos >= valueLength)
{
// We're at the end of the value, so it must be valid unless the last
// character was a dollar sign.
if (c == '$')
{
invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_END_WITH_DOLLAR.get(
valueString));
return false;
}
else
{
return true;
}
}
// Continue reading until we find the end of the string. Each substring
// must be a valid teletex terminal identifier parameter followed by a colon
// and the value. Dollar signs must be escaped
int paramStartPos = pos;
boolean escaped = false;
while (pos < valueLength)
{
if (escaped)
{
pos++;
continue;
}
c = valueString.charAt(pos++);
if (c == '\\')
{
escaped = true;
continue;
}
else if (c == '$')
{
String paramStr = valueString.substring(paramStartPos, pos);
int colonPos = paramStr.indexOf(':');
if (colonPos < 0)
{
invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_PARAM_NO_COLON.get(
valueString));
return false;
}
String paramName = paramStr.substring(0, colonPos);
if (! ALLOWED_TTX_PARAMETERS.contains(paramName))
{
invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_ILLEGAL_PARAMETER.get(
valueString, paramName));
return false;
}
paramStartPos = pos;
}
}
// We must be at the end of the value. Read the last parameter and make
// sure it is valid.
String paramStr = valueString.substring(paramStartPos);
int colonPos = paramStr.indexOf(':');
if (colonPos < 0)
{
invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_PARAM_NO_COLON.get(
valueString));
return false;
}
String paramName = paramStr.substring(0, colonPos);
if (! ALLOWED_TTX_PARAMETERS.contains(paramName))
{
invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_ILLEGAL_PARAMETER.get(
valueString, paramName));
return false;
}
// If we've gotten here, then the value must be valid.
return true;
}
/**
* {@inheritDoc}
*/
public boolean isBinary()
{
return false;
}
/**
* {@inheritDoc}
*/
public boolean isHumanReadable()
{
return true;
}
}