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Commit bd856bf8 authored by Raj Yengisetty's avatar Raj Yengisetty Committed by Jochen Sprickerhof
Browse files

Calendar: Use FIle.createTempFIle when sharing calendar events 

Also handle ENAMETOOLONG when the event title is too long for the
file name.

Change-Id: I25dea55b3aa93b877d6b95404ef8b5f1cbeb9897
(cherry picked from commit 79c84ff)
parent 64088419

src/com/android/calendar/icalendar/IcalendarUtils.java

+16 −5
Original line number Diff line number Diff line
@@ -20,6 +20,8 @@ import android.content.ContentResolver; 
import android.content.Context;

import android.net.Uri;

import android.provider.CalendarContract;

import android.system.ErrnoException;

import android.system.OsConstants;

import com.android.calendar.CalendarEventModel;



import java.io.*;
@@ -37,6 +39,8 @@ public class IcalendarUtils { 
    public static int sPermittedLineLength = 75; // Line length mandated by iCalendar format

    private static final Random tempFileRandom = new Random();



    private static final String INVITE_FILE_NAME = "invite";



    public static String uncleanseString(CharSequence sequence) {

        if (sequence == null) return null;

        String input = sequence.toString();
@@ -106,11 +110,18 @@ public class IcalendarUtils { 
            String tmpDir = System.getProperty("java.io.tmpdir", ".");

            tmpDirFile = new File(tmpDir);

        }

        File result;

        do {

            result = new File(tmpDirFile,

                    prefix + tempFileRandom.nextInt(Integer.MAX_VALUE) + suffix);

        } while (!result.createNewFile());

        File result = null;

        try {

            result = File.createTempFile(prefix, suffix, tmpDirFile);

        } catch (IOException ioe) {

            if (ioe.getCause() instanceof ErrnoException) {

                if (((ErrnoException) ioe.getCause()).errno == OsConstants.ENAMETOOLONG) {

                    // This is a recoverable error the file name was too long,

                    // lets go for a smaller file name

                    result = File.createTempFile(INVITE_FILE_NAME, suffix, tmpDirFile);

                }

            }

        }

        return result;

    }