1 files changed, 262 insertions, 0 deletions
diff --git a/plugins/gradle/src/org/jetbrains/plugins/gradle/service/project/data/ExternalProjectSerializer.java b/plugins/gradle/src/org/jetbrains/plugins/gradle/service/project/data/ExternalProjectSerializer.java
new file mode 100644
index 000000000000..8828b9ef5880
--- /dev/null
+++ b/plugins/gradle/src/org/jetbrains/plugins/gradle/service/project/data/ExternalProjectSerializer.java
@@ -0,0 +1,262 @@
+/*
+ * Copyright 2000-2014 JetBrains s.r.o.
+ *
+ * Licensed 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.jetbrains.plugins.gradle.service.project.data;
+
+import com.esotericsoftware.kryo.Kryo;
+import com.esotericsoftware.kryo.Serializer;
+import com.esotericsoftware.kryo.io.Input;
+import com.esotericsoftware.kryo.io.Output;
+import com.esotericsoftware.kryo.serializers.CollectionSerializer;
+import com.esotericsoftware.kryo.serializers.DefaultSerializers;
+import com.esotericsoftware.kryo.serializers.FieldSerializer;
+import com.esotericsoftware.kryo.serializers.MapSerializer;
+import com.esotericsoftware.minlog.Log;
+import com.intellij.openapi.application.PathManager;
+import com.intellij.openapi.diagnostic.Logger;
+import com.intellij.openapi.externalSystem.model.*;
+import com.intellij.openapi.externalSystem.model.project.ExternalSystemSourceType;
+import com.intellij.openapi.util.io.FileUtil;
+import com.intellij.openapi.util.io.StreamUtil;
+import gnu.trove.THashMap;
+import gnu.trove.THashSet;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.objenesis.strategy.StdInstantiatorStrategy;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.util.*;
+
+/**
+ * @author Vladislav.Soroka
+ * @since 7/15/2014
+ */
+public class ExternalProjectSerializer {
+  private static final Logger LOG = Logger.getInstance(ExternalProjectSerializer.class);
+
+  private final Kryo myKryo;
+
+  public ExternalProjectSerializer() {
+    myKryo = new Kryo() {
+      @Override
+      public <T> T newInstance(Class<T> type) {
+        LOG.error("Serializing default type: " + type);
+        return super.newInstance(type);
+      }
+    };
+    configureKryo();
+  }
+
+  private void configureKryo() {
+    myKryo.setAutoReset(true);
+
+    myKryo.setRegistrationRequired(true);
+    Log.set(Log.LEVEL_WARN);
+
+    myKryo.register(ArrayList.class, new CollectionSerializer() {
+      @Override
+      protected Collection create(Kryo kryo, Input input, Class<Collection> type) {
+        return new ArrayList();
+      }
+    });
+    myKryo.register(HashMap.class, new MapSerializer() {
+      @Override
+      protected Map create(Kryo kryo, Input input, Class<Map> type) {
+        return new HashMap();
+      }
+    });
+    myKryo.register(HashSet.class, new CollectionSerializer() {
+      @Override
+      protected Collection create(Kryo kryo, Input input, Class<Collection> type) {
+        return new HashSet();
+      }
+    });
+
+    myKryo.register(File.class, new FileSerializer());
+    myKryo.register(DefaultExternalProject.class, new FieldSerializer<DefaultExternalProject>(myKryo, DefaultExternalProject.class) {
+      @Override
+      protected DefaultExternalProject create(Kryo kryo, Input input, Class<DefaultExternalProject> type) {
+        return new DefaultExternalProject();
+      }
+    });
+
+    myKryo.register(DefaultExternalTask.class, new FieldSerializer<DefaultExternalTask>(myKryo, DefaultExternalTask.class) {
+      @Override
+      protected DefaultExternalTask create(Kryo kryo, Input input, Class<DefaultExternalTask> type) {
+        return new DefaultExternalTask();
+      }
+    });
+
+    myKryo.register(DefaultExternalPlugin.class, new FieldSerializer<DefaultExternalPlugin>(myKryo, DefaultExternalPlugin.class) {
+      @Override
+      protected DefaultExternalPlugin create(Kryo kryo, Input input, Class<DefaultExternalPlugin> type) {
+        return new DefaultExternalPlugin();
+      }
+    });
+
+    myKryo.register(DefaultExternalSourceSet.class, new FieldSerializer<DefaultExternalSourceSet>(myKryo, DefaultExternalSourceSet.class) {
+      @Override
+      protected DefaultExternalSourceSet create(Kryo kryo, Input input, Class<DefaultExternalSourceSet> type) {
+        return new DefaultExternalSourceSet();
+      }
+    });
+
+    myKryo.register(
+      DefaultExternalSourceDirectorySet.class,
+      new FieldSerializer<DefaultExternalSourceDirectorySet>(myKryo, DefaultExternalSourceDirectorySet.class) {
+        @Override
+        protected DefaultExternalSourceDirectorySet create(Kryo kryo, Input input, Class<DefaultExternalSourceDirectorySet> type) {
+          return new DefaultExternalSourceDirectorySet();
+        }
+      }
+    );
+
+    myKryo.register(DefaultExternalFilter.class, new FieldSerializer<DefaultExternalFilter>(myKryo, DefaultExternalFilter.class) {
+      @Override
+      protected DefaultExternalFilter create(Kryo kryo, Input input, Class<DefaultExternalFilter> type) {
+        return new DefaultExternalFilter();
+      }
+    });
+
+    myKryo.register(ExternalSystemSourceType.class, new DefaultSerializers.EnumSerializer(ExternalSystemSourceType.class));
+
+    myKryo.register(LinkedHashSet.class, new CollectionSerializer() {
+      @Override
+      protected Collection create(Kryo kryo, Input input, Class<Collection> type) {
+        return new LinkedHashSet();
+      }
+    });
+    myKryo.register(HashSet.class, new CollectionSerializer() {
+      @Override
+      protected Collection create(Kryo kryo, Input input, Class<Collection> type) {
+        return new HashSet();
+      }
+    });
+    myKryo.register(THashSet.class, new CollectionSerializer() {
+      @Override
+      protected Collection create(Kryo kryo, Input input, Class<Collection> type) {
+        return new THashSet();
+      }
+    });
+    myKryo.register(Set.class, new CollectionSerializer() {
+      @Override
+      protected Collection create(Kryo kryo, Input input, Class<Collection> type) {
+        return new HashSet();
+      }
+    });
+    myKryo.register(THashMap.class, new MapSerializer() {
+      @Override
+      protected Map create(Kryo kryo, Input input, Class<Map> type) {
+        return new THashMap();
+      }
+    });
+  }
+
+
+  public void save(@NotNull ExternalProject externalProject) {
+    Output output = null;
+    try {
+      final String externalProjectPath = externalProject.getProjectDir().getPath();
+      final File configurationFile =
+        getProjectConfigurationFile(new ProjectSystemId(externalProject.getExternalSystemId()), externalProjectPath);
+      if (!FileUtil.createParentDirs(configurationFile)) return;
+
+      output = new Output(new FileOutputStream(configurationFile));
+      myKryo.writeObject(output, externalProject);
+    }
+    catch (FileNotFoundException e) {
+      LOG.error(e);
+    }
+    finally {
+      StreamUtil.closeStream(output);
+    }
+  }
+
+  @Nullable
+  public ExternalProject load(@NotNull ProjectSystemId externalSystemId, File externalProjectPath) {
+    Input input = null;
+    try {
+      final File configurationFile = getProjectConfigurationFile(externalSystemId, externalProjectPath.getPath());
+      if (!configurationFile.isFile()) return null;
+
+      input = new Input(new FileInputStream(configurationFile));
+      return myKryo.readObject(input, DefaultExternalProject.class);
+    }
+    catch (Exception e) {
+      LOG.error(e);
+    }
+    finally {
+      StreamUtil.closeStream(input);
+    }
+
+    return null;
+  }
+
+  private static File getProjectConfigurationFile(ProjectSystemId externalSystemId, String externalProjectPath) {
+    return new File(getProjectConfigurationDir(externalSystemId), Integer.toHexString(externalProjectPath.hashCode()) + "/project.dat");
+  }
+
+  private static File getProjectConfigurationDir(ProjectSystemId externalSystemId) {
+    return getPluginSystemDir(externalSystemId, "Projects");
+  }
+
+  private static File getPluginSystemDir(ProjectSystemId externalSystemId, String folder) {
+    return new File(PathManager.getSystemPath(), externalSystemId.getId().toLowerCase() + "/" + folder).getAbsoluteFile();
+  }
+
+  private static class FileSerializer extends Serializer<File> {
+    private final Kryo myStdKryo;
+
+    public FileSerializer() {
+      myStdKryo = new Kryo();
+      myStdKryo.register(File.class);
+      myStdKryo.setInstantiatorStrategy(new StdInstantiatorStrategy());
+    }
+
+    @Override
+    public void write(Kryo kryo, Output output, File object) {
+      myStdKryo.writeObject(output, object);
+    }
+
+    @Override
+    public File read(Kryo kryo, Input input, Class<File> type) {
+      File file = myStdKryo.readObject(input, File.class);
+      return new File(file.getPath());
+    }
+  }
+
+  private static class StdSerializer<T> extends Serializer<T> {
+    private final Kryo myStdKryo;
+
+    public StdSerializer(Class<T> clazz) {
+      myStdKryo = new Kryo();
+      myStdKryo.register(clazz);
+      myStdKryo.setInstantiatorStrategy(new StdInstantiatorStrategy());
+    }
+
+    @Override
+    public void write(Kryo kryo, Output output, T object) {
+      myStdKryo.writeObject(output, object);
+    }
+
+    @Override
+    public T read(Kryo kryo, Input input, Class<T> type) {
+      return myStdKryo.readObject(input, type);
+    }
+  }
+}