1 files changed, 109 insertions, 0 deletions
diff --git a/builder/src/main/java/com/android/builder/internal/MergedNdkConfig.java b/builder/src/main/java/com/android/builder/internal/MergedNdkConfig.java
new file mode 100644
index 0000000..bd83e99
--- /dev/null
+++ b/builder/src/main/java/com/android/builder/internal/MergedNdkConfig.java
@@ -0,0 +1,109 @@
+/*
+ * 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.android.builder.internal;
+
+import com.android.annotations.NonNull;
+import com.android.annotations.Nullable;
+import com.android.builder.model.NdkConfig;
+import com.google.common.collect.Sets;
+
+import java.util.Set;
+
+/**
+ * Implementation of NdkConfig used to merge multiple configs together.
+ */
+public class MergedNdkConfig implements NdkConfig {
+
+    private String moduleName;
+    private String cFlags;
+    private Set<String> ldLibs;
+    private Set<String> abiFilters;
+    private String stl;
+
+    public void reset() {
+        moduleName = null;
+        cFlags = null;
+        ldLibs = null;
+        abiFilters = null;
+    }
+
+    @Override
+    @Nullable
+    public String getModuleName() {
+        return moduleName;
+    }
+
+    @Override
+    @Nullable
+    public String getcFlags() {
+        return cFlags;
+    }
+
+    @Override
+    @Nullable
+    public Set<String> getLdLibs() {
+        return ldLibs;
+    }
+
+    @Override
+    @Nullable
+    public Set<String> getAbiFilters() {
+        return abiFilters;
+    }
+
+    @Override
+    @Nullable
+    public String getStl() {
+        return stl;
+    }
+
+    public void append(@NonNull NdkConfig ndkConfig) {
+        // override
+        if (ndkConfig.getModuleName() != null) {
+            moduleName = ndkConfig.getModuleName();
+        }
+
+        if (ndkConfig.getStl() != null) {
+            stl = ndkConfig.getStl();
+        }
+
+        // append
+        if (ndkConfig.getAbiFilters() != null) {
+            if (abiFilters == null) {
+                abiFilters = Sets.newHashSetWithExpectedSize(ndkConfig.getAbiFilters().size());
+            } else {
+                abiFilters.clear();
+            }
+            abiFilters.addAll(ndkConfig.getAbiFilters());
+        }
+
+        if (cFlags == null) {
+            cFlags = ndkConfig.getcFlags();
+        } else if (ndkConfig.getcFlags() != null) {
+            cFlags = cFlags + " " + ndkConfig.getcFlags();
+        }
+
+        if (ndkConfig.getLdLibs() != null) {
+            if (ldLibs == null) {
+                ldLibs = Sets.newHashSetWithExpectedSize(ndkConfig.getLdLibs().size());
+            } else {
+                ldLibs.clear();
+            }
+            ldLibs.addAll(ndkConfig.getLdLibs());
+        }
+    }
+}