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author | mar-v-in <github@rvin.mooo.com> | 2014-07-01 14:50:15 +0200 |
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committer | mar-v-in <github@rvin.mooo.com> | 2014-07-01 14:50:15 +0200 |
commit | 35647734104471a6d35bc26a77682dd5531dd5e3 (patch) | |
tree | 0a70b9789fdf5d723ad9268f0f7621d6983547fa /OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/DatabaseUtil.java | |
parent | 50e72b196fa8bc97edc63198a9ad73c24770b9df (diff) | |
download | open-keychain-35647734104471a6d35bc26a77682dd5531dd5e3.tar.gz open-keychain-35647734104471a6d35bc26a77682dd5531dd5e3.tar.bz2 open-keychain-35647734104471a6d35bc26a77682dd5531dd5e3.zip |
Add temporary file storage as discussed in #665
Writable from OpenKeychain, readable worldwide. Should be used to write shared files to it by first creating the file using TemporaryStorageProvider.createFile and then write to the Uri returned.
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/DatabaseUtil.java')
-rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/DatabaseUtil.java | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/DatabaseUtil.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/DatabaseUtil.java new file mode 100644 index 000000000..c18e5cabd --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/DatabaseUtil.java @@ -0,0 +1,36 @@ +package org.sufficientlysecure.keychain.util; + +import android.text.TextUtils; + +/** + * Shamelessly copied from android.database.DatabaseUtils + */ +public class DatabaseUtil { + /** + * Concatenates two SQL WHERE clauses, handling empty or null values. + */ + public static String concatenateWhere(String a, String b) { + if (TextUtils.isEmpty(a)) { + return b; + } + if (TextUtils.isEmpty(b)) { + return a; + } + + return "(" + a + ") AND (" + b + ")"; + } + + /** + * Appends one set of selection args to another. This is useful when adding a selection + * argument to a user provided set. + */ + public static String[] appendSelectionArgs(String[] originalValues, String[] newValues) { + if (originalValues == null || originalValues.length == 0) { + return newValues; + } + String[] result = new String[originalValues.length + newValues.length ]; + System.arraycopy(originalValues, 0, result, 0, originalValues.length); + System.arraycopy(newValues, 0, result, originalValues.length, newValues.length); + return result; + } +} |