1 files changed, 55 insertions, 0 deletions
diff --git a/guava/src/com/google/common/base/Platform.java b/guava/src/com/google/common/base/Platform.java
new file mode 100644
index 0000000..dcbe06c
--- /dev/null
+++ b/guava/src/com/google/common/base/Platform.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2009 The Guava Authors
+ *
+ * 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.google.common.base;
+
+import com.google.common.annotations.GwtCompatible;
+
+/**
+ * Methods factored out so that they can be emulated differently in GWT.
+ *
+ * @author Jesse Wilson
+ */
+@GwtCompatible(emulated = true)
+final class Platform {
+  private Platform() {}
+
+  /** Returns a thread-local 1024-char array. */
+  static char[] charBufferFromThreadLocal() {
+    return DEST_TL.get();
+  }
+  
+  /** Calls {@link System#nanoTime()}. */
+  static long systemNanoTime() {
+    return System.nanoTime();
+  }
+
+  /**
+   * A thread-local destination buffer to keep us from creating new buffers.
+   * The starting size is 1024 characters.  If we grow past this we don't
+   * put it back in the threadlocal, we just keep going and grow as needed.
+   */
+  private static final ThreadLocal<char[]> DEST_TL = new ThreadLocal<char[]>() {
+    @Override
+    protected char[] initialValue() {
+      return new char[1024];
+    }
+  };
+
+  static CharMatcher precomputeCharMatcher(CharMatcher matcher) {
+    return matcher.precomputedInternal();
+  }
+}