1 files changed, 77 insertions, 0 deletions
diff --git a/dexgen/src/com/android/dexgen/rop/AttConstantValue.java b/dexgen/src/com/android/dexgen/rop/AttConstantValue.java
new file mode 100644
index 0000000..189dd75
--- /dev/null
+++ b/dexgen/src/com/android/dexgen/rop/AttConstantValue.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2007 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.dexgen.rop;
+
+import com.android.dexgen.rop.cst.CstDouble;
+import com.android.dexgen.rop.cst.CstFloat;
+import com.android.dexgen.rop.cst.CstInteger;
+import com.android.dexgen.rop.cst.CstLong;
+import com.android.dexgen.rop.cst.CstString;
+import com.android.dexgen.rop.cst.TypedConstant;
+
+/**
+ * Attribute class for standard {@code ConstantValue} attributes.
+ */
+public final class AttConstantValue extends BaseAttribute {
+    /** {@code non-null;} attribute name for attributes of this type */
+    public static final String ATTRIBUTE_NAME = "ConstantValue";
+
+    /** {@code non-null;} the constant value */
+    private final TypedConstant constantValue;
+
+    /**
+     * Constructs an instance.
+     *
+     * @param constantValue {@code non-null;} the constant value, which must
+     * be an instance of one of: {@code CstString},
+     * {@code CstInteger}, {@code CstLong},
+     * {@code CstFloat}, or {@code CstDouble}
+     */
+    public AttConstantValue(TypedConstant constantValue) {
+        super(ATTRIBUTE_NAME);
+
+        if (!((constantValue instanceof CstString) ||
+               (constantValue instanceof CstInteger) ||
+               (constantValue instanceof CstLong) ||
+               (constantValue instanceof CstFloat) ||
+               (constantValue instanceof CstDouble))) {
+            if (constantValue == null) {
+                throw new NullPointerException("constantValue == null");
+            }
+            throw new IllegalArgumentException("bad type for constantValue");
+        }
+
+        this.constantValue = constantValue;
+    }
+
+    /** {@inheritDoc} */
+    public int byteLength() {
+        return 8;
+    }
+
+    /**
+     * Gets the constant value of this instance. The returned value
+     * is an instance of one of: {@code CstString},
+     * {@code CstInteger}, {@code CstLong},
+     * {@code CstFloat}, or {@code CstDouble}.
+     *
+     * @return {@code non-null;} the constant value
+     */
+    public TypedConstant getConstantValue() {
+        return constantValue;
+    }
+}