| /* |
| * 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 |
| * |
| * http://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.studio.ldapbrowser.core.model.filter; |
| |
| |
| import org.apache.directory.studio.ldapbrowser.core.model.filter.parser.LdapFilterToken; |
| |
| |
| /** |
| * The LdapNotFilterComponent represents an NOT filter branch. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class LdapNotFilterComponent extends LdapFilterComponent |
| { |
| |
| /** |
| * Creates a new instance of LdapNotFilterComponent. |
| * |
| * @param parent the parent filter |
| */ |
| public LdapNotFilterComponent( LdapFilter parent ) |
| { |
| super( parent ); |
| } |
| |
| |
| /** |
| * @see org.apache.directory.studio.ldapbrowser.core.model.filter.LdapFilterComponent#setStartToken(org.apache.directory.studio.ldapbrowser.core.model.filter.parser.LdapFilterToken) |
| */ |
| public boolean setStartToken( LdapFilterToken notToken ) |
| { |
| if ( notToken != null && notToken.getType() == LdapFilterToken.NOT ) |
| { |
| return super.setStartToken( notToken ); |
| } |
| else |
| { |
| return false; |
| } |
| } |
| |
| |
| /** |
| * @see org.apache.directory.studio.ldapbrowser.core.model.filter.LdapFilterComponent#addFilter(org.apache.directory.studio.ldapbrowser.core.model.filter.LdapFilter) |
| */ |
| public boolean addFilter( LdapFilter filter ) |
| { |
| if ( filterList.isEmpty() ) |
| { |
| return super.addFilter( filter ); |
| } |
| else |
| { |
| // There is already a filter in the list. A NOT filter |
| // can only contain one filter. |
| return false; |
| } |
| } |
| |
| |
| /** |
| * @see org.apache.directory.studio.ldapbrowser.core.model.filter.LdapFilterComponent#getInvalidCause() |
| */ |
| public String getInvalidCause() |
| { |
| if ( startToken == null ) |
| { |
| return Messages.LdapNotFilterComponent_MissingNotCharacter; |
| } |
| else if ( filterList.isEmpty() ) |
| { |
| return Messages.LdapNotFilterComponent_MissingFilterExpression; |
| } |
| else |
| { |
| return Messages.LdapNotFilterComponent_InvalidNotFilter; |
| } |
| } |
| |
| |
| /** |
| * @see java.lang.Object#toString() |
| */ |
| public String toString() |
| { |
| return ( startToken != null ? "!" : "" ) + ( !filterList.isEmpty() ? filterList.get( 0 ).toString() : "" ); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| } |
| |
| } |