content: /*
   * 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.chemistry.opencmis.fileshare;
  
  import java.io.BufferedInputStream;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.math.BigInteger;
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import javax.xml.stream.XMLStreamException;
  import javax.xml.stream.XMLStreamReader;
  
  import org.apache.chemistry.opencmis.commons.PropertyIds;
  import org.apache.chemistry.opencmis.commons.definitions.MutableDocumentTypeDefinition;
  import org.apache.chemistry.opencmis.commons.definitions.MutableFolderTypeDefinition;
  import org.apache.chemistry.opencmis.commons.definitions.MutablePropertyDefinition;
  import org.apache.chemistry.opencmis.commons.definitions.MutablePropertyIdDefinition;
  import org.apache.chemistry.opencmis.commons.definitions.MutableTypeDefinition;
  import org.apache.chemistry.opencmis.commons.definitions.PropertyDefinition;
  import org.apache.chemistry.opencmis.commons.definitions.TypeDefinition;
  import org.apache.chemistry.opencmis.commons.definitions.TypeDefinitionContainer;
  import org.apache.chemistry.opencmis.commons.definitions.TypeDefinitionList;
  import org.apache.chemistry.opencmis.commons.enums.CmisVersion;
  import org.apache.chemistry.opencmis.commons.exceptions.CmisObjectNotFoundException;
  import org.apache.chemistry.opencmis.commons.impl.IOUtils;
  import org.apache.chemistry.opencmis.commons.impl.XMLConverter;
  import org.apache.chemistry.opencmis.commons.impl.XMLUtils;
  import org.apache.chemistry.opencmis.commons.server.CallContext;
  import org.apache.chemistry.opencmis.server.support.TypeDefinitionFactory;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Manages the type definitions for all FileShare repositories.
   */
  public class FileShareTypeManager {
  
      private static final Logger LOG = LoggerFactory.getLogger(FileShareTypeManager.class);
  
      private static final String NAMESPACE = "http://chemistry.apache.org/opencmis/fileshare";
  
      private final TypeDefinitionFactory typeDefinitionFactory;
      private final Map<String, TypeDefinition> typeDefinitions;
  
      public FileShareTypeManager() {
          // set up TypeDefinitionFactory
          typeDefinitionFactory = TypeDefinitionFactory.newInstance();
          typeDefinitionFactory.setDefaultNamespace(NAMESPACE);
          typeDefinitionFactory.setDefaultControllableAcl(false);
          typeDefinitionFactory.setDefaultControllablePolicy(false);
          typeDefinitionFactory.setDefaultQueryable(false);
          typeDefinitionFactory.setDefaultFulltextIndexed(false);
          typeDefinitionFactory.setDefaultTypeMutability(typeDefinitionFactory.createTypeMutability(false, false, false));
  
          // set up definitions map
          typeDefinitions = new HashMap<String, TypeDefinition>();
  
          // add base folder type
          MutableFolderTypeDefinition folderType = typeDefinitionFactory
                  .createBaseFolderTypeDefinition(CmisVersion.CMIS_1_1);
          ((MutablePropertyIdDefinition) folderType.getPropertyDefinitions().get(PropertyIds.OBJECT_ID))
                  .setIsOrderable(Boolean.TRUE);
          ((MutablePropertyIdDefinition) folderType.getPropertyDefinitions().get(PropertyIds.BASE_TYPE_ID))
                  .setIsOrderable(Boolean.TRUE);
          typeDefinitions.put(folderType.getId(), folderType);
  
          // add base document type
          MutableDocumentTypeDefinition documentType = typeDefinitionFactory
                  .createBaseDocumentTypeDefinition(CmisVersion.CMIS_1_1);
          ((MutablePropertyIdDefinition) documentType.getPropertyDefinitions().get(PropertyIds.OBJECT_ID))
                  .setIsOrderable(Boolean.TRUE);
          ((MutablePropertyIdDefinition) documentType.getPropertyDefinitions().get(PropertyIds.BASE_TYPE_ID))
                  .setIsOrderable(Boolean.TRUE);
          typeDefinitions.put(documentType.getId(), documentType);
      }
  
      /**
       * Adds a type definition.
       */
      public synchronized void addTypeDefinition(TypeDefinition type) {
          if (type == null) {
              throw new IllegalArgumentException("Type must be set!");
          }
  
          if (type.getId() == null || type.getId().trim().length() == 0) {
              throw new IllegalArgumentException("Type must have a valid id!");
          }
  
          if (type.getParentTypeId() == null || type.getParentTypeId().trim().length() == 0) {
              throw new IllegalArgumentException("Type must have a valid parent id!");
          }
  
          TypeDefinition parentType = typeDefinitions.get(type.getParentTypeId());
          if (parentType == null) {
              throw new IllegalArgumentException("Parent type doesn't exist!");
          }
  
          MutableTypeDefinition newType = typeDefinitionFactory.copy(type, true);
  
          // copy parent type property definitions and mark them as inherited
          for (PropertyDefinition<?> propDef : parentType.getPropertyDefinitions().values()) {
              MutablePropertyDefinition<?> basePropDef = typeDefinitionFactory.copy(propDef);
              basePropDef.setIsInherited(true);
              newType.addPropertyDefinition(basePropDef);
          }
  
          typeDefinitions.put(newType.getId(), newType);
  
          if (LOG.isDebugEnabled()) {
              LOG.debug("Added type '{}'.", type.getId());
          }
      }
  
      public void loadTypeDefinitionFromFile(String filename) throws IOException, XMLStreamException {
          loadTypeDefinitionFromStream(new BufferedInputStream(new FileInputStream(filename), 64 * 1024));
      }
  
      public void loadTypeDefinitionFromResource(String name) throws IOException, XMLStreamException {
          loadTypeDefinitionFromStream(this.getClass().getResourceAsStream(name));
      }
  
      public void loadTypeDefinitionFromStream(InputStream stream) throws IOException, XMLStreamException {
          if (stream == null) {
              throw new IllegalArgumentException("Stream is null!");
          }
  
          TypeDefinition type = null;
  
          XMLStreamReader parser = null;
          try {
              parser = XMLUtils.createParser(stream);
              if (!XMLUtils.findNextStartElemenet(parser)) {
                  return;
              }
  
              type = XMLConverter.convertTypeDefinition(parser);
          } finally {
              if (parser != null) {
                  parser.close();
              }
              IOUtils.closeQuietly(stream);
          }
  
          addTypeDefinition(type);
      }
  
      /**
       * Returns the internal type definition.
       */
      public synchronized TypeDefinition getInternalTypeDefinition(String typeId) {
          return typeDefinitions.get(typeId);
      }
  
      /**
       * Returns all internal type definitions.
       */
      public synchronized Collection<TypeDefinition> getInternalTypeDefinitions() {
          return typeDefinitions.values();
      }
  
      // --- service methods ---
  
      public TypeDefinition getTypeDefinition(CallContext context, String typeId) {
          TypeDefinition type = typeDefinitions.get(typeId);
          if (type == null) {
              throw new CmisObjectNotFoundException("Type '" + typeId + "' is unknown!");
          }
  
          return typeDefinitionFactory.copy(type, true, context.getCmisVersion());
      }
  
      public TypeDefinitionList getTypeChildren(CallContext context, String typeId, Boolean includePropertyDefinitions,
              BigInteger maxItems, BigInteger skipCount) {
          return typeDefinitionFactory.createTypeDefinitionList(typeDefinitions, typeId, includePropertyDefinitions,
                  maxItems, skipCount, context.getCmisVersion());
      }
  
      public List<TypeDefinitionContainer> getTypeDescendants(CallContext context, String typeId, BigInteger depth,
              Boolean includePropertyDefinitions) {
          return typeDefinitionFactory.createTypeDescendants(typeDefinitions, typeId, depth, includePropertyDefinitions,
                  context.getCmisVersion());
      }
  
      @Override
      public String toString() {
          StringBuilder sb = new StringBuilder(128);
  
          for (TypeDefinition type : typeDefinitions.values()) {
              sb.append('[');
              sb.append(type.getId());
              sb.append(" (");
              sb.append(type.getBaseTypeId().value());
              sb.append(")]");
          }
  
          return sb.toString();
      }
  }
  