Package org.openrdf.repository.config

Source Code of org.openrdf.repository.config.RepositoryImplConfigBase

/*
* Copyright Aduna (http://www.aduna-software.com/) (c) 2007.
*
* Licensed under the Aduna BSD-style license.
*/
package org.openrdf.repository.config;

import static org.openrdf.repository.config.RepositoryConfigSchema.REPOSITORYTYPE;

import org.openrdf.model.BNode;
import org.openrdf.model.Model;
import org.openrdf.model.Resource;
import org.openrdf.model.impl.ValueFactoryImpl;
import org.openrdf.model.util.ModelException;
import org.openrdf.store.StoreConfigException;

/**
* @author Herko ter Horst
*/
public class RepositoryImplConfigBase implements RepositoryImplConfig {

  private String type;

  /**
   * Create a new RepositoryConfigImpl.
   */
  public RepositoryImplConfigBase() {
  }

  /**
   * Create a new RepositoryConfigImpl.
   */
  public RepositoryImplConfigBase(String type) {
    this();
    setType(type);
  }

  public String getType() {
    return type;
  }

  public void setType(String type) {
    this.type = type;
  }

  public void validate()
    throws StoreConfigException
  {
    if (type == null) {
      throw new StoreConfigException("No type specified for repository implementation");
    }
  }

  public Resource export(Model model) {
    ValueFactoryImpl vf = ValueFactoryImpl.getInstance();

    BNode implNode = vf.createBNode();

    if (type != null) {
      model.add(implNode, REPOSITORYTYPE, vf.createLiteral(type));
    }

    return implNode;
  }

  public void parse(Model model, Resource implNode)
    throws StoreConfigException
  {
    try {
      String type = model.filter(implNode, REPOSITORYTYPE, null).objectString();
      if (type != null) {
        setType(type);
      }
    }
    catch (ModelException e) {
      throw new StoreConfigException(e.getMessage(), e);
    }
  }

  public static RepositoryImplConfig create(Model model, Resource implNode)
    throws StoreConfigException
  {
    try {
      String type = model.filter(implNode, REPOSITORYTYPE, null).objectString();

      if (type != null) {
        RepositoryFactory factory = RepositoryRegistry.getInstance().get(type);

        if (factory == null) {
          throw new StoreConfigException("Unsupported repository type: " + type);
        }

        RepositoryImplConfig implConfig = factory.getConfig();
        implConfig.parse(model, implNode);
        return implConfig;
      }

      return null;
    }
    catch (ModelException e) {
      throw new StoreConfigException(e.getMessage(), e);
    }
  }
}
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