1 files changed, 44 insertions, 0 deletions
diff --git a/third_party/jarjar/java/com/tonicsystems/jarjar/PatternElement.java b/third_party/jarjar/java/com/tonicsystems/jarjar/PatternElement.java
new file mode 100644
index 0000000000..2b87cff8a3
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+++ b/third_party/jarjar/java/com/tonicsystems/jarjar/PatternElement.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2007 Google Inc.
+ *
+ * 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.tonicsystems.jarjar;
+
+import java.util.*;
+
+public abstract class PatternElement {
+  private String pattern;
+
+  public void setPattern(String pattern) {
+    this.pattern = pattern;
+  }
+
+  public String getPattern() {
+    return pattern;
+  }
+
+  static List<Wildcard> createWildcards(List<? extends PatternElement> patterns) {
+    List<Wildcard> wildcards = new ArrayList<Wildcard>();
+    for (PatternElement pattern : patterns) {
+      String result = (pattern instanceof Rule) ? ((Rule) pattern).getResult() : "";
+      String expr = pattern.getPattern();
+      if (expr.indexOf('/') >= 0) {
+        throw new IllegalArgumentException("Patterns cannot contain slashes");
+      }
+      wildcards.add(new Wildcard(expr.replace('.', '/'), result));
+    }
+    return wildcards;
+  }
+}