com.android.tools.idea.ddms.hprof.SaveHprofHandler.java Source code

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/*
 * Copyright (C) 2013 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.ddms.hprof;

import com.android.SdkConstants;
import com.android.ddmlib.Client;
import com.android.ddmlib.ClientData;
import com.google.common.io.Files;
import com.intellij.execution.ExecutionException;
import com.intellij.execution.process.BaseOSProcessHandler;
import com.intellij.execution.process.ProcessAdapter;
import com.intellij.execution.process.ProcessEvent;
import com.intellij.notification.Notification;
import com.intellij.notification.NotificationType;
import com.intellij.notification.Notifications;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.application.ModalityState;
import com.intellij.openapi.progress.ProgressIndicator;
import com.intellij.openapi.progress.Task;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.vfs.LocalFileSystem;
import org.jetbrains.android.sdk.AndroidSdkData;
import org.jetbrains.android.sdk.AndroidSdkUtils;
import org.jetbrains.android.util.AndroidBundle;
import org.jetbrains.android.util.AndroidCommonUtils;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.io.File;
import java.io.IOException;

public class SaveHprofHandler implements ClientData.IHprofDumpHandler {
    private final Project myProject;

    public SaveHprofHandler(@NotNull Project project) {
        myProject = project;
    }

    @Override
    public void onSuccess(String remoteFilePath, Client client) {
        // TODO: older devices don't stream back the heap dtaa. Instead they save results on the sdcard.
        // We don't support this yet.
        showError(AndroidBundle.message("android.ddms.actions.dump.hprof.error.unsupported", remoteFilePath));
    }

    @Override
    public void onSuccess(final byte[] data, Client client) {
        ApplicationManager.getApplication().invokeLater(new Runnable() {
            @Override
            public void run() {
                SaveHprofDialog dialog = new SaveHprofDialog(myProject);
                if (!dialog.showAndGet()) {
                    return;
                }

                new SaveAndRunHprofConvTask(myProject, dialog.getHprofFile(), dialog.shouldConvertToHprof(), data)
                        .queue();
            }
        }, ModalityState.defaultModalityState());
    }

    @Override
    public void onEndFailure(Client client, final String message) {
        showError(message);
    }

    private void showError(final String message) {
        ApplicationManager.getApplication().invokeLater(new Runnable() {
            @Override
            public void run() {
                Messages.showErrorDialog(message, AndroidBundle.message("android.ddms.actions.dump.hprof"));
            }
        });
    }

    private static class SaveAndRunHprofConvTask extends Task.Backgroundable {
        private final File myDestination;
        private final boolean myRunHprofConv;
        private final byte[] myData;

        private Exception myException;

        public SaveAndRunHprofConvTask(@Nullable Project project, @NotNull File destination, boolean runHprofConv,
                @NotNull byte[] data) {
            super(project, AndroidBundle.message("android.ddms.actions.dump.hprof"), false);

            myDestination = destination;
            myRunHprofConv = runHprofConv;
            myData = data;
        }

        @Override
        public void run(@NotNull ProgressIndicator indicator) {
            try {
                saveAndConvert();
            } catch (Exception e) {
                myException = e;
            }
        }

        private void saveAndConvert() throws IOException, ExecutionException {
            File androidHprof = myRunHprofConv ? FileUtil.createTempFile("android", SdkConstants.EXT_HPROF)
                    : myDestination;
            Files.write(myData, androidHprof);
            if (myRunHprofConv) {
                // run hprof-conv, transforming androidHprof -> destination
                AndroidSdkData sdkData = AndroidSdkUtils.tryToChooseAndroidSdk();
                if (sdkData == null) {
                    throw new ExecutionException("Unable to find path to SDK.");
                }

                String hprofConvPath = new File(sdkData.getLocation(),
                        AndroidCommonUtils.platformToolPath(SdkConstants.FN_HPROF_CONV)).getPath();
                ProcessBuilder pb = new ProcessBuilder(hprofConvPath, androidHprof.getAbsolutePath(),
                        myDestination.getAbsolutePath());
                BaseOSProcessHandler handler;
                handler = new BaseOSProcessHandler(pb.start(), "", null);
                final StringBuilder builder = new StringBuilder();
                handler.addProcessListener(new ProcessAdapter() {
                    @Override
                    public void onTextAvailable(ProcessEvent event, Key outputType) {
                        builder.append(event.getText());
                    }
                });
                handler.startNotify();
                handler.waitFor();
                int exitCode = handler.getProcess().exitValue();
                if (exitCode != 0) {
                    throw new ExecutionException(builder.toString().trim());
                }

                // remove intermediate file
                //noinspection ResultOfMethodCallIgnored
                androidHprof.delete();
            }
        }

        @Override
        public void onSuccess() {
            if (myException != null) {
                Messages.showErrorDialog("Unexpected error while saving heap dump: " + myException.getMessage(),
                        AndroidBundle.message("android.ddms.actions.dump.hprof"));
            } else {
                LocalFileSystem.getInstance().refreshAndFindFileByIoFile(myDestination);
                Notifications.Bus.notify(
                        new Notification("Android", AndroidBundle.message("android.ddms.actions.dump.hprof"),
                                AndroidBundle.message("android.ddms.actions.dump.hprof.saved", myDestination),
                                NotificationType.INFORMATION));
            }
        }
    }
}