| /* |
| * 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.schema.loader; |
| |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| import java.nio.file.Files; |
| import java.nio.file.Paths; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.regex.Pattern; |
| |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.ldap.model.entry.Entry; |
| import org.apache.directory.api.ldap.model.exception.LdapException; |
| import org.apache.directory.api.ldap.model.ldif.LdifEntry; |
| import org.apache.directory.api.ldap.model.ldif.LdifReader; |
| import org.apache.directory.api.ldap.model.schema.registries.AbstractSchemaLoader; |
| import org.apache.directory.api.ldap.model.schema.registries.Schema; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * A schema loader based on a single monolithic ldif file containing all the schema partition elements |
| * |
| * Performs better than any other existing LDIF schema loaders. NOT DOCUMENTED atm |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class SingleLdifSchemaLoader extends AbstractSchemaLoader |
| { |
| /** |
| * Pattern for start of schema Dn. |
| * java.util.regex.Pattern is immutable so only one instance is needed for all uses. |
| */ |
| private static final Pattern SCHEMA_START_PATTERN = Pattern |
| .compile( "cn\\s*=\\s*[a-z0-9-_]*\\s*,\\s*ou\\s*=\\s*schema" ); |
| |
| /** The logger. */ |
| private static final Logger LOG = LoggerFactory.getLogger( SingleLdifSchemaLoader.class ); |
| |
| /** The schema object Rdn attribute types. */ |
| private String[] schemaObjectTypeRdns = new String[] |
| { "attributetypes", "comparators", "ditContentRules", "ditStructureRules", "matchingRules", "matchingRuleUse", |
| "nameForms", "normalizers", "objectClasses", "syntaxes", "syntaxCheckers" }; |
| |
| /** The map containing ... */ |
| private Map<String, Map<String, List<Entry>>> scObjEntryMap = new HashMap<>(); |
| |
| |
| /** |
| * Instantiates a new single LDIF schema loader. |
| */ |
| public SingleLdifSchemaLoader() |
| { |
| try |
| { |
| URL resource = getClass().getClassLoader().getResource( "schema-all.ldif" ); |
| |
| if ( LOG.isDebugEnabled() ) |
| { |
| LOG.debug( I18n.msg( I18n.MSG_16012_URL_SCHEMA_ALL_LDIF, resource ) ); |
| } |
| |
| for ( String s : schemaObjectTypeRdns ) |
| { |
| scObjEntryMap.put( s, new HashMap<String, List<Entry>>() ); |
| } |
| |
| try ( InputStream in = resource.openStream() ) |
| { |
| initializeSchemas( in ); |
| } |
| } |
| catch ( LdapException | IOException e ) |
| { |
| throw new RuntimeException( e ); |
| } |
| } |
| |
| |
| /** |
| * Instantiates a new single LDIF schema loader. |
| * |
| * @param schemaFile The Schema to load |
| */ |
| public SingleLdifSchemaLoader( String schemaFile ) |
| { |
| try |
| { |
| for ( String s : schemaObjectTypeRdns ) |
| { |
| scObjEntryMap.put( s, new HashMap<String, List<Entry>>() ); |
| } |
| |
| try ( InputStream in = Files.newInputStream( Paths.get( schemaFile ) ) ) |
| { |
| initializeSchemas( in ); |
| } |
| } |
| catch ( LdapException | IOException e ) |
| { |
| throw new RuntimeException( e ); |
| } |
| } |
| |
| |
| /** |
| * Instantiates a new single LDIF schema loader. |
| * |
| * @param schemaUrl The URL of the schema to load |
| */ |
| public SingleLdifSchemaLoader( URL schemaUrl ) |
| { |
| try |
| { |
| for ( String s : schemaObjectTypeRdns ) |
| { |
| scObjEntryMap.put( s, new HashMap<String, List<Entry>>() ); |
| } |
| |
| try ( InputStream in = schemaUrl.openStream() ) |
| { |
| initializeSchemas( in ); |
| } |
| } |
| catch ( LdapException | IOException e ) |
| { |
| throw new RuntimeException( e ); |
| } |
| } |
| |
| |
| /** |
| * Initialize the Schema object from a Single LDIF file |
| * |
| * @param in The input stream to process |
| * @throws LdapException If the schemas can't be initialized |
| * @throws IOException If we had an issue processing the InputStream |
| */ |
| private void initializeSchemas( InputStream in ) throws LdapException, IOException |
| { |
| try ( LdifReader ldifReader = new LdifReader( in ) ) |
| { |
| Schema currentSchema = null; |
| |
| while ( ldifReader.hasNext() ) |
| { |
| LdifEntry ldifEntry = ldifReader.next(); |
| String dn = ldifEntry.getDn().getName(); |
| |
| if ( SCHEMA_START_PATTERN.matcher( dn ).matches() ) |
| { |
| Schema schema = getSchema( ldifEntry.getEntry() ); |
| schemaMap.put( schema.getSchemaName(), schema ); |
| currentSchema = schema; |
| } |
| else |
| { |
| if ( currentSchema == null ) |
| { |
| throw new LdapException( I18n.err( I18n.ERR_16076_NOT_A_SCHEMA_DEFINITION ) ); |
| } |
| |
| loadSchemaObject( currentSchema.getSchemaName(), ldifEntry ); |
| } |
| } |
| } |
| } |
| |
| |
| /** |
| * Load all the schemaObjects |
| * |
| * @param schemaName The schema name |
| * @param ldifEntry The entry to load |
| */ |
| private void loadSchemaObject( String schemaName, LdifEntry ldifEntry ) |
| { |
| for ( String scObjTypeRdn : schemaObjectTypeRdns ) |
| { |
| Pattern regex = Pattern.compile( "m-oid\\s*=\\s*[0-9\\.]*\\s*" + ",\\s*ou\\s*=\\s*" + scObjTypeRdn |
| + "\\s*,\\s*cn\\s*=\\s*" + schemaName |
| + "\\s*,\\s*ou=schema\\s*", Pattern.CASE_INSENSITIVE ); |
| |
| String dn = ldifEntry.getDn().getName(); |
| |
| if ( regex.matcher( dn ).matches() ) |
| { |
| Map<String, List<Entry>> m = scObjEntryMap.get( scObjTypeRdn ); |
| List<Entry> entryList = m.get( schemaName ); |
| |
| if ( entryList == null ) |
| { |
| entryList = new ArrayList<>(); |
| entryList.add( ldifEntry.getEntry() ); |
| m.put( schemaName, entryList ); |
| } |
| else |
| { |
| entryList.add( ldifEntry.getEntry() ); |
| } |
| |
| break; |
| } |
| } |
| } |
| |
| |
| private List<Entry> loadSchemaObjects( String schemaObjectType, Schema... schemas ) |
| { |
| Map<String, List<Entry>> m = scObjEntryMap.get( schemaObjectType ); |
| List<Entry> atList = new ArrayList<>(); |
| |
| for ( Schema s : schemas ) |
| { |
| List<Entry> preLoaded = m.get( s.getSchemaName() ); |
| |
| if ( preLoaded != null ) |
| { |
| atList.addAll( preLoaded ); |
| } |
| } |
| |
| return atList; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public List<Entry> loadAttributeTypes( Schema... schemas ) throws LdapException, IOException |
| { |
| return loadSchemaObjects( "attributetypes", schemas ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public List<Entry> loadComparators( Schema... schemas ) throws LdapException, IOException |
| { |
| return loadSchemaObjects( "comparators", schemas ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public List<Entry> loadDitContentRules( Schema... schemas ) throws LdapException, IOException |
| { |
| return loadSchemaObjects( "ditContentRules", schemas ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public List<Entry> loadDitStructureRules( Schema... schemas ) throws LdapException, IOException |
| { |
| return loadSchemaObjects( "ditStructureRules", schemas ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public List<Entry> loadMatchingRules( Schema... schemas ) throws LdapException, IOException |
| { |
| return loadSchemaObjects( "matchingRules", schemas ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public List<Entry> loadMatchingRuleUses( Schema... schemas ) throws LdapException, IOException |
| { |
| return loadSchemaObjects( "matchingRuleUse", schemas ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public List<Entry> loadNameForms( Schema... schemas ) throws LdapException, IOException |
| { |
| return loadSchemaObjects( "nameForms", schemas ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public List<Entry> loadNormalizers( Schema... schemas ) throws LdapException, IOException |
| { |
| return loadSchemaObjects( "normalizers", schemas ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public List<Entry> loadObjectClasses( Schema... schemas ) throws LdapException, IOException |
| { |
| return loadSchemaObjects( "objectClasses", schemas ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public List<Entry> loadSyntaxes( Schema... schemas ) throws LdapException, IOException |
| { |
| return loadSchemaObjects( "syntaxes", schemas ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public List<Entry> loadSyntaxCheckers( Schema... schemas ) throws LdapException, IOException |
| { |
| return loadSchemaObjects( "syntaxCheckers", schemas ); |
| } |
| |
| } |
| |
| class SchemaMarker |
| { |
| /** The start marker. */ |
| private int start; |
| |
| /** The end marker. */ |
| private int end; |
| |
| |
| SchemaMarker( int start ) |
| { |
| this.start = start; |
| } |
| |
| |
| public void setEnd( int end ) |
| { |
| this.end = end; |
| } |
| |
| |
| public int getStart() |
| { |
| return start; |
| } |
| |
| |
| public int getEnd() |
| { |
| return end; |
| } |
| } |