/**
 * Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
 * 
 * Please see distribution for license.
 */
package com.opengamma.financial.analytics.ircurve.rest;

import java.net.URI;

import com.opengamma.DataNotFoundException;
import com.opengamma.core.change.ChangeManager;
import com.opengamma.core.change.DummyChangeManager;
import com.opengamma.financial.analytics.ircurve.InterpolatedYieldCurveDefinitionSource;
import com.opengamma.financial.analytics.ircurve.YieldCurveDefinition;
import com.opengamma.id.VersionCorrection;
import com.opengamma.util.ArgumentChecker;
import com.opengamma.util.money.Currency;
import com.opengamma.util.rest.AbstractRemoteClient;
import com.opengamma.util.rest.UniformInterfaceException404NotFound;

/**
 * Provides access to a remote {@link InterpolatedYieldCurveDefinitionSource}.
 */
public class RemoteInterpolatedYieldCurveDefinitionSource extends AbstractRemoteClient implements InterpolatedYieldCurveDefinitionSource {

  private ChangeManager _changeManager;

  /**
   * Creates an instance.
   * 
   * @param baseUri  the base target URI for all RESTful web services, not null
   */
  public RemoteInterpolatedYieldCurveDefinitionSource(final URI baseUri) {
    this(baseUri, DummyChangeManager.INSTANCE);
  }
  
  /**
   * Creates an instance.
   * 
   * @param baseUri  the base target URI for all RESTful web services, not null
   * @param changeManager  the change manager to use for this source, not null
   */
  public RemoteInterpolatedYieldCurveDefinitionSource(final URI baseUri, final ChangeManager changeManager) {
    super(baseUri);
    ArgumentChecker.notNull(changeManager, "changeManager");
    _changeManager = changeManager;
  }  

  //-------------------------------------------------------------------------
  @Override
  public YieldCurveDefinition getDefinition(Currency currency, String name) {
    ArgumentChecker.notNull(currency, "currency");
    ArgumentChecker.notNull(name, "name");
    
    try {
      URI uri = DataInterpolatedYieldCurveDefinitionSourceResource.uriSearchSingle(getBaseUri(), currency, name, null);
      return accessRemote(uri).get(YieldCurveDefinition.class);
    } catch (DataNotFoundException ex) {
      return null;
    } catch (UniformInterfaceException404NotFound ex) {
      return null;
    }
  }

  @Override
  public YieldCurveDefinition getDefinition(Currency currency, String name, VersionCorrection versionCorrection) {
    ArgumentChecker.notNull(currency, "currency");
    ArgumentChecker.notNull(name, "name");
    
    try {
      URI uri = DataInterpolatedYieldCurveDefinitionSourceResource.uriSearchSingle(getBaseUri(), currency, name, versionCorrection.getVersionAsOf());
      return accessRemote(uri).get(YieldCurveDefinition.class);
    } catch (DataNotFoundException ex) {
      return null;
    } catch (UniformInterfaceException404NotFound ex) {
      return null;
    }
  }

  @Override
  public ChangeManager changeManager() {
    return _changeManager;
  }

}