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 19f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnorimport com.android.internal.os.IDropBoxManagerService; 20952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 21952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnorimport java.io.ByteArrayInputStream; 22cc792c4149b7e768fd894c9b268d815a90a60bd0Brad Fitzpatrickimport java.io.Closeable; 23952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnorimport java.io.File; 24952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnorimport java.io.IOException; 25952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnorimport java.io.InputStream; 26952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnorimport java.util.zip.GZIPInputStream; 27952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 28952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor/** 29952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Enqueues chunks of data (from various sources -- application crashes, kernel 30952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * log records, etc.). The queue is size bounded and will drop old data if the 31952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * enqueued data exceeds the maximum size. You can think of this as a 32952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * persistent, system-wide, blob-oriented "logcat". 33952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 34952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * <p>You can obtain an instance of this class by calling 35952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * {@link android.content.Context#getSystemService} 36952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * with {@link android.content.Context#DROPBOX_SERVICE}. 37952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 38f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnor * <p>DropBoxManager entries are not sent anywhere directly, but other system 39f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnor * services and debugging tools may scan and upload entries for processing. 40952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 41f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnorpublic class DropBoxManager { 42f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnor private static final String TAG = "DropBoxManager"; 43f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnor private final IDropBoxManagerService mService; 44952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 45952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** Flag value: Entry's content was deleted to save space. */ 46952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public static final int IS_EMPTY = 1; 47952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 48952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** Flag value: Content is human-readable UTF-8 text (can be combined with IS_GZIPPED). */ 49952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public static final int IS_TEXT = 2; 50952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 51e3cfe2d92868513c9524804a362c3c3c8b8cc4e5Dan Egnor /** Flag value: Content can be decompressed with {@link java.util.zip.GZIPOutputStream}. */ 52952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public static final int IS_GZIPPED = 4; 53952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 546e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor /** Flag value for serialization only: Value is a byte array, not a file descriptor */ 556e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor private static final int HAS_BYTE_ARRAY = 8; 566e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor 57952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 58b247536aa3d458750edbc6b45b2348a994d83426Hakan Still * Broadcast Action: This is broadcast when a new entry is added in the dropbox. 59b247536aa3d458750edbc6b45b2348a994d83426Hakan Still * You must hold the {@link android.Manifest.permission#READ_LOGS} permission 60b247536aa3d458750edbc6b45b2348a994d83426Hakan Still * in order to receive this broadcast. 61b247536aa3d458750edbc6b45b2348a994d83426Hakan Still * 62b247536aa3d458750edbc6b45b2348a994d83426Hakan Still * <p class="note">This is a protected intent that can only be sent 63b247536aa3d458750edbc6b45b2348a994d83426Hakan Still * by the system. 64b247536aa3d458750edbc6b45b2348a994d83426Hakan Still */ 65b247536aa3d458750edbc6b45b2348a994d83426Hakan Still public static final String ACTION_DROPBOX_ENTRY_ADDED = 66b247536aa3d458750edbc6b45b2348a994d83426Hakan Still "android.intent.action.DROPBOX_ENTRY_ADDED"; 67b247536aa3d458750edbc6b45b2348a994d83426Hakan Still 68b247536aa3d458750edbc6b45b2348a994d83426Hakan Still /** 69b247536aa3d458750edbc6b45b2348a994d83426Hakan Still * Extra for {@link android.os.DropBoxManager#ACTION_DROPBOX_ENTRY_ADDED}: 70b247536aa3d458750edbc6b45b2348a994d83426Hakan Still * string containing the dropbox tag. 71b247536aa3d458750edbc6b45b2348a994d83426Hakan Still */ 72b247536aa3d458750edbc6b45b2348a994d83426Hakan Still public static final String EXTRA_TAG = "tag"; 73b247536aa3d458750edbc6b45b2348a994d83426Hakan Still 74b247536aa3d458750edbc6b45b2348a994d83426Hakan Still /** 75b247536aa3d458750edbc6b45b2348a994d83426Hakan Still * Extra for {@link android.os.DropBoxManager#ACTION_DROPBOX_ENTRY_ADDED}: 76b247536aa3d458750edbc6b45b2348a994d83426Hakan Still * long integer value containing time (in milliseconds since January 1, 1970 00:00:00 UTC) 77b247536aa3d458750edbc6b45b2348a994d83426Hakan Still * when the entry was created. 78b247536aa3d458750edbc6b45b2348a994d83426Hakan Still */ 79b247536aa3d458750edbc6b45b2348a994d83426Hakan Still public static final String EXTRA_TIME = "time"; 80b247536aa3d458750edbc6b45b2348a994d83426Hakan Still 81b247536aa3d458750edbc6b45b2348a994d83426Hakan Still /** 82952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * A single entry retrieved from the drop box. 83952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * This may include a reference to a stream, so you must call 84952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * {@link #close()} when you are done using it. 85952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 86cc792c4149b7e768fd894c9b268d815a90a60bd0Brad Fitzpatrick public static class Entry implements Parcelable, Closeable { 87952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor private final String mTag; 88952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor private final long mTimeMillis; 89952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 90952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor private final byte[] mData; 91952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor private final ParcelFileDescriptor mFileDescriptor; 92952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor private final int mFlags; 93952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 94952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** Create a new empty Entry with no contents. */ 95952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry(String tag, long millis) { 966e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (tag == null) throw new NullPointerException("tag == null"); 976e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor 986e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTag = tag; 996e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTimeMillis = millis; 1006e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mData = null; 1016e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFileDescriptor = null; 1026e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFlags = IS_EMPTY; 103952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 104952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 105952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** Create a new Entry with plain text contents. */ 106952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry(String tag, long millis, String text) { 1076e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (tag == null) throw new NullPointerException("tag == null"); 1086e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (text == null) throw new NullPointerException("text == null"); 1096e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor 1106e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTag = tag; 1116e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTimeMillis = millis; 1126e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mData = text.getBytes(); 1136e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFileDescriptor = null; 1146e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFlags = IS_TEXT; 115952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 116952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 117952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 118952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Create a new Entry with byte array contents. 119952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * The data array must not be modified after creating this entry. 120952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 121952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry(String tag, long millis, byte[] data, int flags) { 1226e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (tag == null) throw new NullPointerException("tag == null"); 1236e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (((flags & IS_EMPTY) != 0) != (data == null)) { 1246e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor throw new IllegalArgumentException("Bad flags: " + flags); 1256e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor } 1266e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor 1276e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTag = tag; 1286e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTimeMillis = millis; 1296e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mData = data; 1306e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFileDescriptor = null; 1316e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFlags = flags; 132952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 133952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 134952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 135952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Create a new Entry with streaming data contents. 136952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Takes ownership of the ParcelFileDescriptor. 137952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 138952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry(String tag, long millis, ParcelFileDescriptor data, int flags) { 1396e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (tag == null) throw new NullPointerException("tag == null"); 1406e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (((flags & IS_EMPTY) != 0) != (data == null)) { 1416e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor throw new IllegalArgumentException("Bad flags: " + flags); 1426e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor } 1436e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor 1446e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTag = tag; 1456e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mTimeMillis = millis; 1466e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mData = null; 1476e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFileDescriptor = data; 1486e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFlags = flags; 149952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 150952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 151952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 152952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Create a new Entry with the contents read from a file. 153952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * The file will be read when the entry's contents are requested. 154952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 155952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry(String tag, long millis, File data, int flags) throws IOException { 1566e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (tag == null) throw new NullPointerException("tag == null"); 1576e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if ((flags & IS_EMPTY) != 0) throw new IllegalArgumentException("Bad flags: " + flags); 158952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 159952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor mTag = tag; 160952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor mTimeMillis = millis; 1616e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mData = null; 1626e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFileDescriptor = ParcelFileDescriptor.open(data, ParcelFileDescriptor.MODE_READ_ONLY); 163952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor mFlags = flags; 164952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 165952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 166952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** Close the input stream associated with this entry. */ 167952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public void close() { 168952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor try { if (mFileDescriptor != null) mFileDescriptor.close(); } catch (IOException e) { } 169952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 170952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 171952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** @return the tag originally attached to the entry. */ 172952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public String getTag() { return mTag; } 173952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 174952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** @return time when the entry was originally created. */ 175952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public long getTimeMillis() { return mTimeMillis; } 176952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 17795173b14d65cd04ec88d4384b41a80319e432d0bBrad Fitzpatrick /** @return flags describing the content returned by {@link #getInputStream()}. */ 178952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public int getFlags() { return mFlags & ~IS_GZIPPED; } // getInputStream() decompresses. 179952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 180952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 181952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param maxBytes of string to return (will truncate at this length). 182952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @return the uncompressed text contents of the entry, null if the entry is not text. 183952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 184952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public String getText(int maxBytes) { 185952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor if ((mFlags & IS_TEXT) == 0) return null; 186952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor if (mData != null) return new String(mData, 0, Math.min(maxBytes, mData.length)); 187952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 188952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor InputStream is = null; 189952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor try { 190952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor is = getInputStream(); 1916e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (is == null) return null; 192952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor byte[] buf = new byte[maxBytes]; 193e9f18815218b2ff1f01ea16f2eb0dd17504a9cf3Christian Lindeberg int readBytes = 0; 194e9f18815218b2ff1f01ea16f2eb0dd17504a9cf3Christian Lindeberg int n = 0; 195e9f18815218b2ff1f01ea16f2eb0dd17504a9cf3Christian Lindeberg while (n >= 0 && (readBytes += n) < maxBytes) { 196e9f18815218b2ff1f01ea16f2eb0dd17504a9cf3Christian Lindeberg n = is.read(buf, readBytes, maxBytes - readBytes); 197e9f18815218b2ff1f01ea16f2eb0dd17504a9cf3Christian Lindeberg } 198e9f18815218b2ff1f01ea16f2eb0dd17504a9cf3Christian Lindeberg return new String(buf, 0, readBytes); 199952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } catch (IOException e) { 200952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor return null; 201952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } finally { 202952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor try { if (is != null) is.close(); } catch (IOException e) {} 203952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 204952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 205952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 206952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** @return the uncompressed contents of the entry, or null if the contents were lost */ 207952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public InputStream getInputStream() throws IOException { 208952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor InputStream is; 209952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor if (mData != null) { 210952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor is = new ByteArrayInputStream(mData); 211952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } else if (mFileDescriptor != null) { 212952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor is = new ParcelFileDescriptor.AutoCloseInputStream(mFileDescriptor); 213952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } else { 214952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor return null; 215952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 216952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor return (mFlags & IS_GZIPPED) != 0 ? new GZIPInputStream(is) : is; 217952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 218952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 219952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public static final Parcelable.Creator<Entry> CREATOR = new Parcelable.Creator() { 220952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry[] newArray(int size) { return new Entry[size]; } 221952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry createFromParcel(Parcel in) { 2226e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor String tag = in.readString(); 2236e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor long millis = in.readLong(); 2246e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor int flags = in.readInt(); 2256e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if ((flags & HAS_BYTE_ARRAY) != 0) { 2266e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor return new Entry(tag, millis, in.createByteArray(), flags & ~HAS_BYTE_ARRAY); 2276e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor } else { 2286e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor return new Entry(tag, millis, in.readFileDescriptor(), flags); 2296e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor } 230952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 231952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor }; 232952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 233952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public int describeContents() { 234952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor return mFileDescriptor != null ? Parcelable.CONTENTS_FILE_DESCRIPTOR : 0; 235952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 236952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 237952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public void writeToParcel(Parcel out, int flags) { 238952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor out.writeString(mTag); 239952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor out.writeLong(mTimeMillis); 240952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor if (mFileDescriptor != null) { 2416e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor out.writeInt(mFlags & ~HAS_BYTE_ARRAY); // Clear bit just to be safe 2426e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor mFileDescriptor.writeToParcel(out, flags); 243952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } else { 2446e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor out.writeInt(mFlags | HAS_BYTE_ARRAY); 2456e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor out.writeByteArray(mData); 246952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 247952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 248952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 249952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 250952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** {@hide} */ 251f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnor public DropBoxManager(IDropBoxManagerService service) { mService = service; } 252952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 253952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 254952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Create a dummy instance for testing. All methods will fail unless 255952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * overridden with an appropriate mock implementation. To obtain a 256952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * functional instance, use {@link android.content.Context#getSystemService}. 257952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 258f18a01c77e78209b74e34d05cfb352fa4a92db5fDan Egnor protected DropBoxManager() { mService = null; } 259952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 260952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 261952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Stores human-readable text. The data may be discarded eventually (or even 262952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * immediately) if space is limited, or ignored entirely if the tag has been 263952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * blocked (see {@link #isTagEnabled}). 264952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 265952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param tag describing the type of entry being stored 266952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param data value to store 267952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 268952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public void addText(String tag, String data) { 269952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor try { mService.add(new Entry(tag, 0, data)); } catch (RemoteException e) {} 270952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 271952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 272952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 273952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Stores binary data, which may be ignored or discarded as with {@link #addText}. 274952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 275952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param tag describing the type of entry being stored 276952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param data value to store 277952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param flags describing the data 278952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 279952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public void addData(String tag, byte[] data, int flags) { 2806e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (data == null) throw new NullPointerException("data == null"); 281952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor try { mService.add(new Entry(tag, 0, data, flags)); } catch (RemoteException e) {} 282952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 283952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 284952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 285eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor * Stores the contents of a file, which may be ignored or discarded as with 286eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor * {@link #addText}. 287952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 288952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param tag describing the type of entry being stored 289eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor * @param file to read from 290952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param flags describing the data 291eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor * @throws IOException if the file can't be opened 292952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 293eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor public void addFile(String tag, File file, int flags) throws IOException { 2946e6d60d4c85ce440d9ef5e5f36e708ed0ced65c6Dan Egnor if (file == null) throw new NullPointerException("file == null"); 295eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor Entry entry = new Entry(tag, 0, file, flags); 296eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor try { 29714418945bdc7a9c2e1cba8deaac5cb6dddfd6412Brad Fitzpatrick mService.add(entry); 298eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor } catch (RemoteException e) { 299eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor // ignore 300eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor } finally { 301eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor entry.close(); 302eb7a7d57ca50f85b054edadab766b51ff22a2dfdDan Egnor } 303952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 304952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 305952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 306952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * Checks any blacklists (set in system settings) to see whether a certain 307952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * tag is allowed. Entries with disabled tags will be dropped immediately, 308952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * so you can save the work of actually constructing and sending the data. 309952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 310952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param tag that would be used in {@link #addText} or {@link #addFile} 311952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @return whether events with that tag would be accepted 312952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 313952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public boolean isTagEnabled(String tag) { 314952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor try { return mService.isTagEnabled(tag); } catch (RemoteException e) { return false; } 315952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 316952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 317952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor /** 31830f5c8fede241e7560f4a33e48af3a4627fd5efcBrad Fitzpatrick * Gets the next entry from the drop box <em>after</em> the specified time. 31930f5c8fede241e7560f4a33e48af3a4627fd5efcBrad Fitzpatrick * Requires <code>android.permission.READ_LOGS</code>. You must always call 320952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * {@link Entry#close()} on the return value! 321952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * 322952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param tag of entry to look for, null for all tags 323952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @param msec time of the last entry seen 324952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor * @return the next entry, or null if there are no more entries 325952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor */ 326952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor public Entry getNextEntry(String tag, long msec) { 327952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor try { return mService.getNextEntry(tag, msec); } catch (RemoteException e) { return null; } 328952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor } 329952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor 330952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor // TODO: It may be useful to have some sort of notification mechanism 331952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor // when data is added to the dropbox, for demand-driven readers -- 332952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor // for now readers need to poll the dropbox to find new data. 333952402704a175ba27f6c89dff1ada634c5ce5626Dan Egnor} 334