1 files changed, 60 insertions, 0 deletions
diff --git a/ui/window/DragAndDropAcrossApps/DropTarget/src/main/java/com/example/android/common/logger/MessageOnlyLogFilter.java b/ui/window/DragAndDropAcrossApps/DropTarget/src/main/java/com/example/android/common/logger/MessageOnlyLogFilter.java
new file mode 100644
index 00000000..19967dcd
--- /dev/null
+++ b/ui/window/DragAndDropAcrossApps/DropTarget/src/main/java/com/example/android/common/logger/MessageOnlyLogFilter.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.example.android.common.logger;
+
+/**
+ * Simple {@link LogNode} filter, removes everything except the message.
+ * Useful for situations like on-screen log output where you don't want a lot of metadata displayed,
+ * just easy-to-read message updates as they're happening.
+ */
+public class MessageOnlyLogFilter implements LogNode {
+
+    LogNode mNext;
+
+    /**
+     * Takes the "next" LogNode as a parameter, to simplify chaining.
+     *
+     * @param next The next LogNode in the pipeline.
+     */
+    public MessageOnlyLogFilter(LogNode next) {
+        mNext = next;
+    }
+
+    public MessageOnlyLogFilter() {
+    }
+
+    @Override
+    public void println(int priority, String tag, String msg, Throwable tr) {
+        if (mNext != null) {
+            getNext().println(Log.NONE, null, msg, null);
+        }
+    }
+
+    /**
+     * Returns the next LogNode in the chain.
+     */
+    public LogNode getNext() {
+        return mNext;
+    }
+
+    /**
+     * Sets the LogNode data will be sent to..
+     */
+    public void setNext(LogNode node) {
+        mNext = node;
+    }
+
+}