| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.api.ldap.model.schema.syntaxCheckers; |
| |
| |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.ldap.model.constants.SchemaConstants; |
| import org.apache.directory.api.ldap.model.schema.SyntaxChecker; |
| import org.apache.directory.api.util.Strings; |
| |
| |
| /** |
| * A SyntaxChecker which verifies that a value is a BootParameter according to |
| * RFC 2307 : |
| * <pre> |
| * bootparameter = key "=" server ":" path |
| * key = keystring |
| * server = keystring |
| * path = keystring |
| * </pre> |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| @SuppressWarnings("serial") |
| public final class BootParameterSyntaxChecker extends SyntaxChecker |
| { |
| /** |
| * A static instance of BootParameterSyntaxChecker |
| */ |
| public static final BootParameterSyntaxChecker INSTANCE = |
| new BootParameterSyntaxChecker( SchemaConstants.BOOT_PARAMETER_SYNTAX ); |
| |
| /** |
| * A static Builder for this class |
| */ |
| public static final class Builder extends SCBuilder<BootParameterSyntaxChecker> |
| { |
| /** |
| * The Builder constructor |
| */ |
| private Builder() |
| { |
| super( SchemaConstants.BOOT_PARAMETER_SYNTAX ); |
| } |
| |
| |
| /** |
| * Create a new instance of BootParameterSyntaxChecker |
| * @return A new instance of BootParameterSyntaxChecker |
| */ |
| @Override |
| public BootParameterSyntaxChecker build() |
| { |
| return new BootParameterSyntaxChecker( oid ); |
| } |
| } |
| |
| |
| /** |
| * Creates a new instance of BootParameterSyntaxChecker. |
| * |
| * @param oid The OID to use for this SyntaxChecker |
| */ |
| private BootParameterSyntaxChecker( String oid ) |
| { |
| super( oid ); |
| } |
| |
| |
| /** |
| * @return An instance of the Builder for this class |
| */ |
| public static Builder builder() |
| { |
| return new Builder(); |
| } |
| |
| |
| private int parseKeyString( String strValue, int pos, char limit ) |
| { |
| try |
| { |
| char c = strValue.charAt( pos ); |
| |
| // The end of the keyString |
| if ( c == limit ) |
| { |
| return pos; |
| } |
| |
| // We must have a first alphabetic char |
| if ( Character.isUpperCase( c ) || Character.isLowerCase( c ) ) |
| { |
| pos++; |
| } |
| else |
| { |
| return -1; |
| } |
| |
| c = strValue.charAt( pos ); |
| |
| while ( c != limit ) |
| { |
| if ( Character.isUpperCase( c ) || Character.isLowerCase( c ) || Character.isDigit( c ) |
| || ( c == '-' ) || ( c == ';' ) || ( c == '_' ) ) |
| { |
| pos++; |
| } |
| else |
| { |
| return -1; |
| } |
| |
| c = strValue.charAt( pos ); |
| } |
| |
| return pos; |
| } |
| catch ( IndexOutOfBoundsException ioobe ) |
| { |
| return -1; |
| } |
| } |
| |
| |
| private int parseKeyString( String strValue, int pos ) |
| { |
| try |
| { |
| char c = strValue.charAt( pos ); |
| |
| // We must have a first alphabetic char |
| if ( Character.isUpperCase( c ) || Character.isLowerCase( c ) ) |
| { |
| pos++; |
| } |
| else |
| { |
| return -1; |
| } |
| |
| while ( pos < strValue.length() ) |
| { |
| c = strValue.charAt( pos ); |
| |
| if ( Character.isUpperCase( c ) || Character.isLowerCase( c ) || Character.isDigit( c ) |
| || ( c == '-' ) || ( c == ';' ) || ( c == '_' ) ) |
| { |
| pos++; |
| } |
| else |
| { |
| return -1; |
| } |
| } |
| |
| return pos; |
| } |
| catch ( IndexOutOfBoundsException ioobe ) |
| { |
| return -1; |
| } |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public boolean isValidSyntax( Object value ) |
| { |
| String strValue; |
| |
| if ( value == null ) |
| { |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, "null" ) ); |
| } |
| |
| return false; |
| } |
| |
| if ( value instanceof String ) |
| { |
| strValue = ( String ) value; |
| } |
| else if ( value instanceof byte[] ) |
| { |
| strValue = Strings.utf8ToString( ( byte[] ) value ); |
| } |
| else |
| { |
| strValue = value.toString(); |
| } |
| |
| // The BootParameter must at least contain a '=' and a ':', plus 3 keyStrings |
| if ( strValue.length() < 5 ) |
| { |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) ); |
| } |
| |
| return false; |
| } |
| |
| // The key |
| int pos = parseKeyString( strValue, 0, '=' ); |
| |
| if ( pos == -1 ) |
| { |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) ); |
| } |
| |
| return false; |
| } |
| |
| if ( strValue.charAt( pos ) != '=' ) |
| { |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) ); |
| } |
| |
| return false; |
| } |
| else |
| { |
| pos++; |
| } |
| |
| // The server |
| pos = parseKeyString( strValue, pos, ':' ); |
| |
| if ( pos == -1 ) |
| { |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) ); |
| } |
| |
| return false; |
| } |
| |
| if ( strValue.charAt( pos ) != ':' ) |
| { |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) ); |
| } |
| |
| return false; |
| } |
| else |
| { |
| pos++; |
| } |
| |
| // The path |
| pos = parseKeyString( strValue, pos ); |
| |
| if ( pos == -1 ) |
| { |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) ); |
| } |
| |
| return false; |
| } |
| |
| return true; |
| } |
| } |