Examples with FileNotFoundException java.io.FileNotFoundException used on opensource projects

Example 81 with FileNotFoundException

use of java.io.FileNotFoundException in project platform_frameworks_base by android.

the class Am method openForSystemServer.

/**
     * Open the given file for sending into the system process. This verifies
     * with SELinux that the system will have access to the file.
     */
private static ParcelFileDescriptor openForSystemServer(File file, int mode) throws FileNotFoundException {
    final ParcelFileDescriptor fd = ParcelFileDescriptor.open(file, mode);
    final String tcon = SELinux.getFileContext(file.getAbsolutePath());
    if (!SELinux.checkSELinuxAccess("u:r:system_server:s0", tcon, "file", "read")) {
        throw new FileNotFoundException("System server has no access to file context " + tcon);
    }
    return fd;
}

Example 82 with FileNotFoundException

use of java.io.FileNotFoundException in project platform_frameworks_base by android.

the class Am method runStart.

private void runStart() throws Exception {
    Intent intent = makeIntent(UserHandle.USER_CURRENT);
    if (mUserId == UserHandle.USER_ALL) {
        System.err.println("Error: Can't start service with user 'all'");
        return;
    }
    String mimeType = intent.getType();
    if (mimeType == null && intent.getData() != null && "content".equals(intent.getData().getScheme())) {
        mimeType = mAm.getProviderMimeType(intent.getData(), mUserId);
    }
    do {
        if (mStopOption) {
            String packageName;
            if (intent.getComponent() != null) {
                packageName = intent.getComponent().getPackageName();
            } else {
                List<ResolveInfo> activities = mPm.queryIntentActivities(intent, mimeType, 0, mUserId).getList();
                if (activities == null || activities.size() <= 0) {
                    System.err.println("Error: Intent does not match any activities: " + intent);
                    return;
                } else if (activities.size() > 1) {
                    System.err.println("Error: Intent matches multiple activities; can't stop: " + intent);
                    return;
                }
                packageName = activities.get(0).activityInfo.packageName;
            }
            System.out.println("Stopping: " + packageName);
            mAm.forceStopPackage(packageName, mUserId);
            Thread.sleep(250);
        }
        System.out.println("Starting: " + intent);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        ParcelFileDescriptor fd = null;
        ProfilerInfo profilerInfo = null;
        if (mProfileFile != null) {
            try {
                fd = openForSystemServer(new File(mProfileFile), ParcelFileDescriptor.MODE_CREATE | ParcelFileDescriptor.MODE_TRUNCATE | ParcelFileDescriptor.MODE_WRITE_ONLY);
            } catch (FileNotFoundException e) {
                System.err.println("Error: Unable to open file: " + mProfileFile);
                System.err.println("Consider using a file under /data/local/tmp/");
                return;
            }
            profilerInfo = new ProfilerInfo(mProfileFile, fd, mSamplingInterval, mAutoStop, mStreaming);
        }
        IActivityManager.WaitResult result = null;
        int res;
        final long startTime = SystemClock.uptimeMillis();
        ActivityOptions options = null;
        if (mStackId != INVALID_STACK_ID) {
            options = ActivityOptions.makeBasic();
            options.setLaunchStackId(mStackId);
        }
        if (mWaitOption) {
            result = mAm.startActivityAndWait(null, null, intent, mimeType, null, null, 0, mStartFlags, profilerInfo, options != null ? options.toBundle() : null, mUserId);
            res = result.result;
        } else {
            res = mAm.startActivityAsUser(null, null, intent, mimeType, null, null, 0, mStartFlags, profilerInfo, options != null ? options.toBundle() : null, mUserId);
        }
        final long endTime = SystemClock.uptimeMillis();
        PrintStream out = mWaitOption ? System.out : System.err;
        boolean launched = false;
        switch(res) {
            case ActivityManager.START_SUCCESS:
                launched = true;
                break;
            case ActivityManager.START_SWITCHES_CANCELED:
                launched = true;
                out.println("Warning: Activity not started because the " + " current activity is being kept for the user.");
                break;
            case ActivityManager.START_DELIVERED_TO_TOP:
                launched = true;
                out.println("Warning: Activity not started, intent has " + "been delivered to currently running " + "top-most instance.");
                break;
            case ActivityManager.START_RETURN_INTENT_TO_CALLER:
                launched = true;
                out.println("Warning: Activity not started because intent " + "should be handled by the caller");
                break;
            case ActivityManager.START_TASK_TO_FRONT:
                launched = true;
                out.println("Warning: Activity not started, its current " + "task has been brought to the front");
                break;
            case ActivityManager.START_INTENT_NOT_RESOLVED:
                out.println("Error: Activity not started, unable to " + "resolve " + intent.toString());
                break;
            case ActivityManager.START_CLASS_NOT_FOUND:
                out.println(NO_CLASS_ERROR_CODE);
                out.println("Error: Activity class " + intent.getComponent().toShortString() + " does not exist.");
                break;
            case ActivityManager.START_FORWARD_AND_REQUEST_CONFLICT:
                out.println("Error: Activity not started, you requested to " + "both forward and receive its result");
                break;
            case ActivityManager.START_PERMISSION_DENIED:
                out.println("Error: Activity not started, you do not " + "have permission to access it.");
                break;
            case ActivityManager.START_NOT_VOICE_COMPATIBLE:
                out.println("Error: Activity not started, voice control not allowed for: " + intent);
                break;
            case ActivityManager.START_NOT_CURRENT_USER_ACTIVITY:
                out.println("Error: Not allowed to start background user activity" + " that shouldn't be displayed for all users.");
                break;
            default:
                out.println("Error: Activity not started, unknown error code " + res);
                break;
        }
        if (mWaitOption && launched) {
            if (result == null) {
                result = new IActivityManager.WaitResult();
                result.who = intent.getComponent();
            }
            System.out.println("Status: " + (result.timeout ? "timeout" : "ok"));
            if (result.who != null) {
                System.out.println("Activity: " + result.who.flattenToShortString());
            }
            if (result.thisTime >= 0) {
                System.out.println("ThisTime: " + result.thisTime);
            }
            if (result.totalTime >= 0) {
                System.out.println("TotalTime: " + result.totalTime);
            }
            System.out.println("WaitTime: " + (endTime - startTime));
            System.out.println("Complete");
        }
        mRepeat--;
        if (mRepeat > 0) {
            mAm.unhandledBack();
        }
    } while (mRepeat > 0);
}

Example 83 with FileNotFoundException

use of java.io.FileNotFoundException in project platform_frameworks_base by android.

the class Am method runProfile.

private void runProfile() throws Exception {
    String profileFile = null;
    boolean start = false;
    boolean wall = false;
    int userId = UserHandle.USER_CURRENT;
    int profileType = 0;
    mSamplingInterval = 0;
    mStreaming = false;
    String process = null;
    String cmd = nextArgRequired();
    if ("start".equals(cmd)) {
        start = true;
        String opt;
        while ((opt = nextOption()) != null) {
            if (opt.equals("--user")) {
                userId = parseUserArg(nextArgRequired());
            } else if (opt.equals("--wall")) {
                wall = true;
            } else if (opt.equals("--streaming")) {
                mStreaming = true;
            } else if (opt.equals("--sampling")) {
                mSamplingInterval = Integer.parseInt(nextArgRequired());
            } else {
                System.err.println("Error: Unknown option: " + opt);
                return;
            }
        }
        process = nextArgRequired();
    } else if ("stop".equals(cmd)) {
        String opt;
        while ((opt = nextOption()) != null) {
            if (opt.equals("--user")) {
                userId = parseUserArg(nextArgRequired());
            } else {
                System.err.println("Error: Unknown option: " + opt);
                return;
            }
        }
        process = nextArg();
    } else {
        // Compatibility with old syntax: process is specified first.
        process = cmd;
        cmd = nextArgRequired();
        if ("start".equals(cmd)) {
            start = true;
        } else if (!"stop".equals(cmd)) {
            throw new IllegalArgumentException("Profile command " + process + " not valid");
        }
    }
    if (userId == UserHandle.USER_ALL) {
        System.err.println("Error: Can't profile with user 'all'");
        return;
    }
    ParcelFileDescriptor fd = null;
    ProfilerInfo profilerInfo = null;
    if (start) {
        profileFile = nextArgRequired();
        try {
            fd = openForSystemServer(new File(profileFile), ParcelFileDescriptor.MODE_CREATE | ParcelFileDescriptor.MODE_TRUNCATE | ParcelFileDescriptor.MODE_WRITE_ONLY);
        } catch (FileNotFoundException e) {
            System.err.println("Error: Unable to open file: " + profileFile);
            System.err.println("Consider using a file under /data/local/tmp/");
            return;
        }
        profilerInfo = new ProfilerInfo(profileFile, fd, mSamplingInterval, false, mStreaming);
    }
    try {
        if (wall) {
            // XXX doesn't work -- this needs to be set before booting.
            String props = SystemProperties.get("dalvik.vm.extra-opts");
            if (props == null || !props.contains("-Xprofile:wallclock")) {
                props = props + " -Xprofile:wallclock";
            //SystemProperties.set("dalvik.vm.extra-opts", props);
            }
        } else if (start) {
        //removeWallOption();
        }
        if (!mAm.profileControl(process, userId, start, profilerInfo, profileType)) {
            wall = false;
            throw new AndroidException("PROFILE FAILED on process " + process);
        }
    } finally {
        if (!wall) {
        //removeWallOption();
        }
    }
}

Example 84 with FileNotFoundException

use of java.io.FileNotFoundException in project platform_frameworks_base by android.

the class ContentProvider method openPipeHelper.

/**
     * A helper function for implementing {@link #openTypedAssetFile}, for
     * creating a data pipe and background thread allowing you to stream
     * generated data back to the client.  This function returns a new
     * ParcelFileDescriptor that should be returned to the caller (the caller
     * is responsible for closing it).
     *
     * @param uri The URI whose data is to be written.
     * @param mimeType The desired type of data to be written.
     * @param opts Options supplied by caller.
     * @param args Your own custom arguments.
     * @param func Interface implementing the function that will actually
     * stream the data.
     * @return Returns a new ParcelFileDescriptor holding the read side of
     * the pipe.  This should be returned to the caller for reading; the caller
     * is responsible for closing it when done.
     */
@NonNull
public <T> ParcelFileDescriptor openPipeHelper(@NonNull final Uri uri, @NonNull final String mimeType, @Nullable final Bundle opts, @Nullable final T args, @NonNull final PipeDataWriter<T> func) throws FileNotFoundException {
    try {
        final ParcelFileDescriptor[] fds = ParcelFileDescriptor.createPipe();
        AsyncTask<Object, Object, Object> task = new AsyncTask<Object, Object, Object>() {

            @Override
            protected Object doInBackground(Object... params) {
                func.writeDataToPipe(fds[1], uri, mimeType, opts, args);
                try {
                    fds[1].close();
                } catch (IOException e) {
                    Log.w(TAG, "Failure closing pipe", e);
                }
                return null;
            }
        };
        task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, (Object[]) null);
        return fds[0];
    } catch (IOException e) {
        throw new FileNotFoundException("failure making pipe");
    }
}

Example 85 with FileNotFoundException

use of java.io.FileNotFoundException in project platform_frameworks_base by android.

the class AtomicFile method truncate.

/** @hide
     * @deprecated This is not safe.
     */
@Deprecated
public void truncate() throws IOException {
    try {
        FileOutputStream fos = new FileOutputStream(mBaseName);
        FileUtils.sync(fos);
        fos.close();
    } catch (FileNotFoundException e) {
        throw new IOException("Couldn't append " + mBaseName);
    } catch (IOException e) {
    }
}