/*
|
* 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 2009 Sun Microsystems, Inc.
|
*/
|
|
package org.opends.sdk.schema;
|
|
|
|
import static com.sun.opends.sdk.messages.Messages.*;
|
import static org.opends.sdk.schema.SchemaConstants.*;
|
|
import java.util.HashSet;
|
|
import org.opends.sdk.ByteSequence;
|
|
import com.sun.opends.sdk.util.MessageBuilder;
|
|
|
|
/**
|
* 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>
|
*/
|
final class TeletexTerminalIdentifierSyntaxImpl extends
|
AbstractSyntaxImpl
|
{
|
/**
|
* The set of allowed fax parameter values, formatted entirely in
|
* lowercase characters.
|
*/
|
private 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");
|
}
|
|
|
|
@Override
|
public String getEqualityMatchingRule()
|
{
|
return EMR_CASE_IGNORE_OID;
|
}
|
|
|
|
public String getName()
|
{
|
return SYNTAX_TELETEX_TERM_ID_NAME;
|
}
|
|
|
|
@Override
|
public String getOrderingMatchingRule()
|
{
|
return OMR_CASE_IGNORE_OID;
|
}
|
|
|
|
@Override
|
public String getSubstringMatchingRule()
|
{
|
return SMR_CASE_IGNORE_OID;
|
}
|
|
|
|
public boolean isHumanReadable()
|
{
|
return false;
|
}
|
|
|
|
/**
|
* 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 schema
|
* The schema in which this syntax is defined.
|
* @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(Schema schema, ByteSequence value,
|
MessageBuilder invalidReason)
|
{
|
// Get a lowercase string representation of the value and find its
|
// length.
|
final String valueString = value.toString();
|
final 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 (!PrintableStringSyntaxImpl.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 == '$')
|
{
|
pos++;
|
break;
|
}
|
else
|
{
|
if (!PrintableStringSyntaxImpl.isPrintableCharacter(c))
|
{
|
|
invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_NOT_PRINTABLE
|
.get(valueString, String.valueOf(c), pos));
|
}
|
}
|
}
|
|
if (pos >= valueLength)
|
{
|
// We're at the end of the value, so it must be valid unless the
|
// last character was a dollar sign.
|
if (c == '$')
|
{
|
|
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 == '$')
|
{
|
final String paramStr =
|
valueString.substring(paramStartPos, pos);
|
|
final int colonPos = paramStr.indexOf(':');
|
if (colonPos < 0)
|
{
|
|
invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_PARAM_NO_COLON
|
.get(valueString));
|
return false;
|
}
|
|
final 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.
|
final String paramStr = valueString.substring(paramStartPos);
|
final int colonPos = paramStr.indexOf(':');
|
if (colonPos < 0)
|
{
|
|
invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_PARAM_NO_COLON
|
.get(valueString));
|
return false;
|
}
|
|
final 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;
|
}
|
}
|
