DropBoxManager.java revision cc792c4149b7e768fd894c9b268d815a90a60bd0
1952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor/* 2952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Copyright (C) 2009 The Android Open Source Project 3952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 4952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Licensed under the Apache License, Version 2.0 (the "License"); 5952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * you may not use this file except in compliance with the License. 6952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * You may obtain a copy of the License at 7952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 8952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * http://www.apache.org/licenses/LICENSE-2.0 9952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 10952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Unless required by applicable law or agreed to in writing, software 11952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * distributed under the License is distributed on an "AS IS" BASIS, 12952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * See the License for the specific language governing permissions and 14952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * limitations under the License. 15952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 16952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 17952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnorpackage android.os; 18952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 19952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnorimport android.util.Log; 20952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 21f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnorimport com.android.internal.os.IDropBoxManagerService; 22952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 23952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnorimport java.io.ByteArrayInputStream; 24cc792c4149b7e768fd894c9b268d815a90a60bd0Brad Fitzpatrickimport java.io.Closeable; 25952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnorimport java.io.File; 26952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnorimport java.io.FileInputStream; 27952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnorimport java.io.IOException; 28952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnorimport java.io.InputStream; 29952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnorimport java.util.zip.GZIPInputStream; 30952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 31952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor/** 32952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Enqueues chunks of data (from various sources -- application crashes, kernel 33952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * log records, etc.). The queue is size bounded and will drop old data if the 34952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * enqueued data exceeds the maximum size. You can think of this as a 35952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * persistent, system-wide, blob-oriented "logcat". 36952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 37952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * <p>You can obtain an instance of this class by calling 38952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * {@link android.content.Context#getSystemService} 39952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * with {@link android.content.Context#DROPBOX_SERVICE}. 40952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 41f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnor * <p>DropBoxManager entries are not sent anywhere directly, but other system 42f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnor * services and debugging tools may scan and upload entries for processing. 43952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 44f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnorpublic class DropBoxManager { 45f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnor private static final String TAG = "DropBoxManager"; 46f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnor private final IDropBoxManagerService mService; 47952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 48952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** Flag value: Entry's content was deleted to save space. */ 49952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public static final int IS_EMPTY = 1; 50952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 51952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** Flag value: Content is human-readable UTF-8 text (can be combined with IS_GZIPPED). */ 52952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public static final int IS_TEXT = 2; 53952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 54e3cfe2d92868513c9524804a362c3c3c8b8cc4e5Dan Egnor /** Flag value: Content can be decompressed with {@link java.util.zip.GZIPOutputStream}. */ 55952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public static final int IS_GZIPPED = 4; 56952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 576e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor /** Flag value for serialization only: Value is a byte array, not a file descriptor */ 586e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor private static final int HAS_BYTE_ARRAY = 8; 596e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor 60952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 61952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * A single entry retrieved from the drop box. 62952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * This may include a reference to a stream, so you must call 63952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * {@link #close()} when you are done using it. 64952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 65cc792c4149b7e768fd894c9b268d815a90a60bd0Brad Fitzpatrick public static class Entry implements Parcelable, Closeable { 66952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor private final String mTag; 67952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor private final long mTimeMillis; 68952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 69952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor private final byte[] mData; 70952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor private final ParcelFileDescriptor mFileDescriptor; 71952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor private final int mFlags; 72952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 73952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** Create a new empty Entry with no contents. */ 74952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry(String tag, long millis) { 756e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (tag == null) throw new NullPointerException("tag == null"); 766e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor 776e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTag = tag; 786e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTimeMillis = millis; 796e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mData = null; 806e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFileDescriptor = null; 816e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFlags = IS_EMPTY; 82952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 83952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 84952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** Create a new Entry with plain text contents. */ 85952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry(String tag, long millis, String text) { 866e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (tag == null) throw new NullPointerException("tag == null"); 876e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (text == null) throw new NullPointerException("text == null"); 886e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor 896e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTag = tag; 906e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTimeMillis = millis; 916e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mData = text.getBytes(); 926e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFileDescriptor = null; 936e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFlags = IS_TEXT; 94952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 95952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 96952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 97952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Create a new Entry with byte array contents. 98952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * The data array must not be modified after creating this entry. 99952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 100952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry(String tag, long millis, byte[] data, int flags) { 1016e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (tag == null) throw new NullPointerException("tag == null"); 1026e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (((flags & IS_EMPTY) != 0) != (data == null)) { 1036e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor throw new IllegalArgumentException("Bad flags: " + flags); 1046e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor } 1056e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor 1066e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTag = tag; 1076e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTimeMillis = millis; 1086e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mData = data; 1096e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFileDescriptor = null; 1106e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFlags = flags; 111952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 112952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 113952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 114952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Create a new Entry with streaming data contents. 115952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Takes ownership of the ParcelFileDescriptor. 116952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 117952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry(String tag, long millis, ParcelFileDescriptor data, int flags) { 1186e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (tag == null) throw new NullPointerException("tag == null"); 1196e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (((flags & IS_EMPTY) != 0) != (data == null)) { 1206e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor throw new IllegalArgumentException("Bad flags: " + flags); 1216e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor } 1226e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor 1236e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTag = tag; 1246e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTimeMillis = millis; 1256e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mData = null; 1266e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFileDescriptor = data; 1276e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFlags = flags; 128952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 129952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 130952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 131952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Create a new Entry with the contents read from a file. 132952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * The file will be read when the entry's contents are requested. 133952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 134952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry(String tag, long millis, File data, int flags) throws IOException { 1356e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (tag == null) throw new NullPointerException("tag == null"); 1366e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if ((flags & IS_EMPTY) != 0) throw new IllegalArgumentException("Bad flags: " + flags); 137952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 138952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor mTag = tag; 139952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor mTimeMillis = millis; 1406e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mData = null; 1416e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFileDescriptor = ParcelFileDescriptor.open(data, ParcelFileDescriptor.MODE_READ_ONLY); 142952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor mFlags = flags; 143952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 144952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 145952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** Close the input stream associated with this entry. */ 146952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public void close() { 147952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor try { if (mFileDescriptor != null) mFileDescriptor.close(); } catch (IOException e) { } 148952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 149952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 150952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** @return the tag originally attached to the entry. */ 151952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public String getTag() { return mTag; } 152952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 153952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** @return time when the entry was originally created. */ 154952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public long getTimeMillis() { return mTimeMillis; } 155952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 15695173b14d65cd04ec88d4384b41a80319e432d0bBrad Fitzpatrick /** @return flags describing the content returned by {@link #getInputStream()}. */ 157952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public int getFlags() { return mFlags & ~IS_GZIPPED; } // getInputStream() decompresses. 158952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 159952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 160952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param maxBytes of string to return (will truncate at this length). 161952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @return the uncompressed text contents of the entry, null if the entry is not text. 162952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 163952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public String getText(int maxBytes) { 164952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor if ((mFlags & IS_TEXT) == 0) return null; 165952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor if (mData != null) return new String(mData, 0, Math.min(maxBytes, mData.length)); 166952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 167952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor InputStream is = null; 168952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor try { 169952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor is = getInputStream(); 1706e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (is == null) return null; 171952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor byte[] buf = new byte[maxBytes]; 172952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor return new String(buf, 0, Math.max(0, is.read(buf))); 173952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } catch (IOException e) { 174952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor return null; 175952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } finally { 176952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor try { if (is != null) is.close(); } catch (IOException e) {} 177952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 178952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 179952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 180952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** @return the uncompressed contents of the entry, or null if the contents were lost */ 181952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public InputStream getInputStream() throws IOException { 182952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor InputStream is; 183952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor if (mData != null) { 184952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor is = new ByteArrayInputStream(mData); 185952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } else if (mFileDescriptor != null) { 186952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor is = new ParcelFileDescriptor.AutoCloseInputStream(mFileDescriptor); 187952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } else { 188952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor return null; 189952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 190952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor return (mFlags & IS_GZIPPED) != 0 ? new GZIPInputStream(is) : is; 191952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 192952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 193952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public static final Parcelable.Creator<Entry> CREATOR = new Parcelable.Creator() { 194952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry[] newArray(int size) { return new Entry[size]; } 195952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry createFromParcel(Parcel in) { 1966e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor String tag = in.readString(); 1976e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor long millis = in.readLong(); 1986e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor int flags = in.readInt(); 1996e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if ((flags & HAS_BYTE_ARRAY) != 0) { 2006e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor return new Entry(tag, millis, in.createByteArray(), flags & ~HAS_BYTE_ARRAY); 2016e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor } else { 2026e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor return new Entry(tag, millis, in.readFileDescriptor(), flags); 2036e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor } 204952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 205952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor }; 206952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 207952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public int describeContents() { 208952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor return mFileDescriptor != null ? Parcelable.CONTENTS_FILE_DESCRIPTOR : 0; 209952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 210952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 211952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public void writeToParcel(Parcel out, int flags) { 212952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor out.writeString(mTag); 213952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor out.writeLong(mTimeMillis); 214952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor if (mFileDescriptor != null) { 2156e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor out.writeInt(mFlags & ~HAS_BYTE_ARRAY); // Clear bit just to be safe 2166e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFileDescriptor.writeToParcel(out, flags); 217952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } else { 2186e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor out.writeInt(mFlags | HAS_BYTE_ARRAY); 2196e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor out.writeByteArray(mData); 220952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 221952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 222952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 223952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 224952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** {@hide} */ 225f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnor public DropBoxManager(IDropBoxManagerService service) { mService = service; } 226952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 227952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 228952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Create a dummy instance for testing. All methods will fail unless 229952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * overridden with an appropriate mock implementation. To obtain a 230952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * functional instance, use {@link android.content.Context#getSystemService}. 231952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 232f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnor protected DropBoxManager() { mService = null; } 233952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 234952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 235952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Stores human-readable text. The data may be discarded eventually (or even 236952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * immediately) if space is limited, or ignored entirely if the tag has been 237952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * blocked (see {@link #isTagEnabled}). 238952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 239952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param tag describing the type of entry being stored 240952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param data value to store 241952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 242952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public void addText(String tag, String data) { 243952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor try { mService.add(new Entry(tag, 0, data)); } catch (RemoteException e) {} 244952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 245952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 246952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 247952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Stores binary data, which may be ignored or discarded as with {@link #addText}. 248952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 249952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param tag describing the type of entry being stored 250952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param data value to store 251952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param flags describing the data 252952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 253952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public void addData(String tag, byte[] data, int flags) { 2546e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (data == null) throw new NullPointerException("data == null"); 255952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor try { mService.add(new Entry(tag, 0, data, flags)); } catch (RemoteException e) {} 256952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 257952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 258952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 259eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor * Stores the contents of a file, which may be ignored or discarded as with 260eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor * {@link #addText}. 261952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 262952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param tag describing the type of entry being stored 263eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor * @param file to read from 264952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param flags describing the data 265eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor * @throws IOException if the file can't be opened 266952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 267eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor public void addFile(String tag, File file, int flags) throws IOException { 2686e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (file == null) throw new NullPointerException("file == null"); 269eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor Entry entry = new Entry(tag, 0, file, flags); 270eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor try { 27114418945bdc7a9c2e1cba8deaac5cb6dddfd6412Brad Fitzpatrick mService.add(entry); 272eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor } catch (RemoteException e) { 273eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor // ignore 274eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor } finally { 275eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor entry.close(); 276eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor } 277952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 278952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 279952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 280952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Checks any blacklists (set in system settings) to see whether a certain 281952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * tag is allowed. Entries with disabled tags will be dropped immediately, 282952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * so you can save the work of actually constructing and sending the data. 283952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 284952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param tag that would be used in {@link #addText} or {@link #addFile} 285952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @return whether events with that tag would be accepted 286952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 287952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public boolean isTagEnabled(String tag) { 288952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor try { return mService.isTagEnabled(tag); } catch (RemoteException e) { return false; } 289952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 290952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 291952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 29230f5c8fede241e7560f4a33e48af3a4627fd5efcBrad Fitzpatrick * Gets the next entry from the drop box <em>after</em> the specified time. 29330f5c8fede241e7560f4a33e48af3a4627fd5efcBrad Fitzpatrick * Requires <code>android.permission.READ_LOGS</code>. You must always call 294952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * {@link Entry#close()} on the return value! 295952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 296952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param tag of entry to look for, null for all tags 297952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param msec time of the last entry seen 298952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @return the next entry, or null if there are no more entries 299952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 300952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry getNextEntry(String tag, long msec) { 301952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor try { return mService.getNextEntry(tag, msec); } catch (RemoteException e) { return null; } 302952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 303952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 304952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor // TODO: It may be useful to have some sort of notification mechanism 305952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor // when data is added to the dropbox, for demand-driven readers -- 306952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor // for now readers need to poll the dropbox to find new data. 307952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor} 308