BundleMakerArtifactJsonAdapter.java

package org.bundlemaker.core.internal.gson;

import java.lang.reflect.Type;

import org.bundlemaker.core.analysis.AnalysisCore;
import org.bundlemaker.core.analysis.AnalysisModelConfiguration;
import org.bundlemaker.core.analysis.IAnalysisModelConfiguration;
import org.bundlemaker.core.analysis.IBundleMakerArtifact;
import org.bundlemaker.core.analysis.IRootArtifact;
import org.bundlemaker.core.resource.IModularizedSystem;
import org.bundlemaker.core.spi.analysis.AbstractArtifactContainer;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.Path;

import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;

/**
 * <p>
 * Implements a {@link JsonSerializer}/{@link JsonDeserializer} for {@link IBundleMakerArtifact IBundleMakerArtifacts}.
 * </p>
 * 
 * @author Gerd Wütherich (gerd@gerd-wuetherich.de)
 */
public class BundleMakerArtifactJsonAdapter implements JsonSerializer<IBundleMakerArtifact>,
    JsonDeserializer<IBundleMakerArtifact> {

  /** - */
  private IModularizedSystem _modularizedSystem;

  /**
   * <p>
   * Creates a new instance of type {@link BundleMakerArtifactJsonAdapter}.
   * </p>
   * 
   * @param modularizedSystem
   */
  public BundleMakerArtifactJsonAdapter(IModularizedSystem modularizedSystem) {
    _modularizedSystem = modularizedSystem;
  }

  /**
   * {@inheritDoc}
   */
  @SuppressWarnings("deprecation")
  @Override
  public JsonElement serialize(IBundleMakerArtifact bundleMakerArtifact, Type arg1, JsonSerializationContext context) {

    JsonObject result = new JsonObject();
    result.add("configuration", context.serialize(bundleMakerArtifact.getConfiguration()));
    result.addProperty("path", bundleMakerArtifact.getFullPath().toPortableString());
    return result;
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public IBundleMakerArtifact deserialize(JsonElement jsonElement, Type arg1, JsonDeserializationContext context)
      throws JsonParseException {

    IAnalysisModelConfiguration configuration = context.deserialize(jsonElement.getAsJsonObject()
        .get("configuration"), AnalysisModelConfiguration.class);

    Assert.isNotNull(configuration, "IArtifactModelConfiguration 'configuration' must not be null.");

    IRootArtifact rootArtifact = AnalysisCore.getAnalysisModel(_modularizedSystem, configuration);

    String path = jsonElement.getAsJsonObject()
        .get("path").getAsString();

    if (".".equals(path)) {
      return rootArtifact;
    }

    //
    IBundleMakerArtifact result = ((AbstractArtifactContainer) rootArtifact).getChild(new Path(path));

    //
    return result;
  }
}