Add several classes from dx tool to the dexgen project

[android-x86/dalvik.git] / dexgen / src / com / android / dexgen / dex / file / AnnotationSetRefItem.java

diff --git a/dexgen/src/com/android/dexgen/dex/file/AnnotationSetRefItem.java b/dexgen/src/com/android/dexgen/dex/file/AnnotationSetRefItem.java
new file mode 100644 (file)
index 0000000..b876ce0
--- /dev/null
+++ b/dexgen/src/com/android/dexgen/dex/file/AnnotationSetRefItem.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2008 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.dex.file;
+
+import com.android.dexgen.util.AnnotatedOutput;
+import com.android.dexgen.util.Hex;
+
+/**
+ * Indirect reference to an {@link AnnotationSetItem}.
+ */
+public final class AnnotationSetRefItem extends OffsettedItem {
+    /** the required alignment for instances of this class */
+    private static final int ALIGNMENT = 4;
+
+    /** write size of this class, in bytes */
+    private static final int WRITE_SIZE = 4;
+
+    /** {@code non-null;} the annotation set to refer to */
+    private AnnotationSetItem annotations;
+
+    /**
+     * Constructs an instance.
+     *
+     * @param annotations {@code non-null;} the annotation set to refer to
+     */
+    public AnnotationSetRefItem(AnnotationSetItem annotations) {
+        super(ALIGNMENT, WRITE_SIZE);
+
+        if (annotations == null) {
+            throw new NullPointerException("annotations == null");
+        }
+
+        this.annotations = annotations;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public ItemType itemType() {
+        return ItemType.TYPE_ANNOTATION_SET_REF_ITEM;
+    }
+
+    /** {@inheritDoc} */
+    public void addContents(DexFile file) {
+        MixedItemSection wordData = file.getWordData();
+
+        annotations = wordData.intern(annotations);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String toHuman() {
+        return annotations.toHuman();
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    protected void writeTo0(DexFile file, AnnotatedOutput out) {
+        int annotationsOff = annotations.getAbsoluteOffset();
+
+        if (out.annotates()) {
+            out.annotate(4, "  annotations_off: " + Hex.u4(annotationsOff));
+        }
+
+        out.writeInt(annotationsOff);
+    }
+}