langtools/src/jdk.jdeps/share/classes/com/sun/tools/classfile/ModulePackages_attribute.java
changeset 42407 f3702cff2933
child 42822 a84956e7ee4d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/jdk.jdeps/share/classes/com/sun/tools/classfile/ModulePackages_attribute.java	Thu Dec 01 09:02:42 2016 +0000
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.tools.classfile;
+
+import java.io.IOException;
+
+/**
+ * See JVMS, section 4.8.15.
+ *
+ *  <p><b>This is NOT part of any supported API.
+ *  If you write code that depends on this, you do so at your own risk.
+ *  This code and its internal interfaces are subject to change or
+ *  deletion without notice.</b>
+ */
+public class ModulePackages_attribute extends Attribute {
+    ModulePackages_attribute(ClassReader cr, int name_index, int length)
+            throws IOException {
+        super(name_index, length);
+        packages_count = cr.readUnsignedShort();
+        packages_index = new int[packages_count];
+        for (int i = 0; i < packages_count; i++)
+            packages_index[i] = cr.readUnsignedShort();
+    }
+
+    public ModulePackages_attribute(ConstantPool constant_pool,
+                              int[] packages_index)
+            throws ConstantPoolException {
+        this(constant_pool.getUTF8Index(Attribute.ModulePackages),
+             packages_index);
+    }
+
+    public ModulePackages_attribute(int name_index,
+                              int[] packages_index) {
+        super(name_index, 2 + packages_index.length * 2);
+        this.packages_count = packages_index.length;
+        this.packages_index = packages_index;
+    }
+
+    public String getPackage(int index, ConstantPool constant_pool) throws ConstantPoolException {
+        int package_index = packages_index[index];
+        return constant_pool.getUTF8Value(package_index);
+    }
+
+    @Override
+    public <R, D> R accept(Visitor<R, D> visitor, D data) {
+        return visitor.visitModulePackages(this, data);
+    }
+
+    public final int packages_count;
+    public final int[] packages_index;
+}