1 files changed, 70 insertions, 0 deletions
diff --git a/src/main/javassist/bytecode/SignatureAttribute.java b/src/main/javassist/bytecode/SignatureAttribute.java
new file mode 100644
index 00000000..b6518ebf
--- /dev/null
+++ b/src/main/javassist/bytecode/SignatureAttribute.java
@@ -0,0 +1,70 @@
+/*
+ * Javassist, a Java-bytecode translator toolkit.
+ * Copyright (C) 1999-2004 Shigeru Chiba. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License.  Alternatively, the contents of this file may be used under
+ * the terms of the GNU Lesser General Public License Version 2.1 or later.
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ */
+
+package javassist.bytecode;
+
+import java.io.DataInputStream;
+import java.io.IOException;
+import java.util.Map;
+
+/**
+ * <code>Signature_attribute</code>.
+ */
+public class SignatureAttribute extends AttributeInfo {
+    /**
+     * The name of this attribute <code>"Signature"</code>.
+     */
+    public static final String tag = "Signature";
+
+    SignatureAttribute(ConstPool cp, int n, DataInputStream in)
+        throws IOException
+    {
+        super(cp, n, in);
+    }
+
+    /**
+     * Constructs a Signature attribute.
+     *
+     * @param cp                a constant pool table.
+     * @param signature         the signature represented by this attribute.
+     */
+    public SignatureAttribute(ConstPool cp, String signature) {
+        super(cp, tag);
+        int index = cp.addUtf8Info(signature);
+        byte[] bvalue = new byte[2];
+        bvalue[0] = (byte)(index >>> 8);
+        bvalue[1] = (byte)index;
+        set(bvalue);
+    }
+
+    /**
+     * Returns the signature indicated by <code>signature_index</code>.
+     */
+    public String getSignature() {
+        return getConstPool().getUtf8Info(ByteArray.readU16bit(get(), 0));
+    }
+
+    /**
+     * Makes a copy.  Class names are replaced according to the
+     * given <code>Map</code> object.
+     *
+     * @param newCp     the constant pool table used by the new copy.
+     * @param classnames        pairs of replaced and substituted
+     *                          class names.
+     */
+    public AttributeInfo copy(ConstPool newCp, Map classnames) {
+        return new SignatureAttribute(newCp, getSignature());
+    }
+}