| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * 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 com.android.tools.idea.profiling.capture; |
| |
| import com.android.tools.idea.stats.UsageTracker; |
| import com.google.common.collect.LinkedListMultimap; |
| import com.google.common.collect.Multimap; |
| import com.intellij.openapi.components.ServiceManager; |
| import com.intellij.openapi.fileEditor.FileEditorManager; |
| import com.intellij.openapi.fileEditor.OpenFileDescriptor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.io.FileUtil; |
| import com.intellij.openapi.vfs.LocalFileSystem; |
| import com.intellij.openapi.vfs.VfsUtil; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.util.containers.HashSet; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Collection; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Set; |
| |
| public class CaptureService { |
| |
| public static final String FD_CAPTURES = "captures"; |
| |
| @NotNull private final Project myProject; |
| @NotNull private Multimap<CaptureType, Capture> myCaptures; |
| private List<CaptureListener> myListeners; |
| |
| public CaptureService(@NotNull Project project) { |
| myProject = project; |
| myCaptures = LinkedListMultimap.create(); |
| myListeners = new LinkedList<CaptureListener>(); |
| |
| update(); |
| } |
| |
| @NotNull |
| public static CaptureService getInstance(@NotNull Project project) { |
| return ServiceManager.getService(project, CaptureService.class); |
| } |
| |
| private static Set<VirtualFile> findCaptureFiles(@NotNull VirtualFile[] files, @NotNull CaptureType type) { |
| Set<VirtualFile> set = new HashSet<VirtualFile>(); |
| for (VirtualFile file : files) { |
| if (type.isValidCapture(file)) { |
| set.add(file); |
| } |
| } |
| return set; |
| } |
| |
| public void update() { |
| CaptureTypeService service = CaptureTypeService.getInstance(); |
| VirtualFile dir = getCapturesDirectory(); |
| Multimap<CaptureType, Capture> updated = LinkedListMultimap.create(); |
| if (dir != null) { |
| VirtualFile[] children = VfsUtil.getChildren(dir); |
| for (CaptureType type : service.getCaptureTypes()) { |
| Set<VirtualFile> files = findCaptureFiles(children, type); |
| for (Capture capture : myCaptures.get(type)) { |
| // If an existing capture exists for a file, use it: Remove it from the files and add the already existing one. |
| if (files.remove(capture.getFile())) { |
| updated.put(type, capture); |
| } |
| } |
| for (VirtualFile newFile : files) { |
| updated.put(type, type.createCapture(newFile)); |
| } |
| } |
| } |
| myCaptures = updated; |
| } |
| |
| @NotNull |
| public VirtualFile createCapturesDirectory() throws IOException { |
| VirtualFile projectDir = LocalFileSystem.getInstance().findFileByPath(myProject.getBasePath()); |
| if (projectDir != null) { |
| VirtualFile dir = projectDir.findChild(FD_CAPTURES); |
| if (dir == null) { |
| dir = projectDir.createChildDirectory(null, FD_CAPTURES); |
| } |
| return dir; |
| } |
| else { |
| throw new IOException("Unable to create the captures directory: Project directory not found."); |
| } |
| } |
| |
| @Nullable |
| public VirtualFile getCapturesDirectory() { |
| VirtualFile projectDir = LocalFileSystem.getInstance().findFileByPath(myProject.getBasePath()); |
| return projectDir != null ? projectDir.findChild(FD_CAPTURES) : null; |
| } |
| |
| @NotNull |
| public Multimap<CaptureType, Capture> getCapturesByType() { |
| return myCaptures; |
| } |
| |
| @NotNull |
| public Collection<Capture> getCaptures() { |
| return myCaptures.values(); |
| } |
| |
| @NotNull |
| public Collection<CaptureType> getTypes() { |
| return myCaptures.keySet(); |
| } |
| |
| public Capture createCapture(Class<? extends CaptureType> clazz, byte[] data) throws IOException { |
| |
| CaptureType type = CaptureTypeService.getInstance().getType(clazz); |
| assert type != null; |
| |
| UsageTracker.getInstance().trackEvent(UsageTracker.CATEGORY_PROFILING, UsageTracker.ACTION_PROFILING_CAPTURE, type.getName(), null); |
| |
| VirtualFile dir = createCapturesDirectory(); |
| File file = new File(dir.createChildData(null, type.createCaptureFileName()).getPath()); |
| FileUtil.writeToFile(file, data); |
| final VirtualFile vf = VfsUtil.findFileByIoFile(file, true); |
| if (vf == null) { |
| throw new IOException("Cannot find virtual file for capture file " + file.getPath()); |
| } |
| Capture capture = type.createCapture(vf); |
| myCaptures.put(type, capture); |
| |
| OpenFileDescriptor descriptor = new OpenFileDescriptor(myProject, capture.getFile()); |
| FileEditorManager.getInstance(myProject).openEditor(descriptor, true); |
| |
| for (CaptureListener listener : myListeners) { |
| listener.onCreate(capture); |
| } |
| return capture; |
| } |
| |
| public interface CaptureListener { |
| void onCreate(Capture capture); |
| } |
| |
| public void addListener(CaptureListener listener) { |
| myListeners.add(listener); |
| } |
| } |
| |