Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright 2007 Sun Microsystems, Inc.  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.  Sun designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

  * CA 95054 USA or visit www.sun.com if you need additional information or

  * have any questions.

  */

 package com.sun.tools.classfile;

 import java.io.IOException;

 import java.util.Arrays;

 import java.util.HashMap;

 import java.util.Iterator;

 import java.util.Map;

 /*

  *  <p><b>This is NOT part of any API supported by Sun Microsystems.  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 Attributes implements Iterable<Attribute> {

     Attributes(ClassReader cr) throws IOException {

         map = new HashMap<String,Attribute>();

         int attrs_count = cr.readUnsignedShort();

         attrs = new Attribute[attrs_count];

         for (int i = 0; i < attrs_count; i++) {

             Attribute attr = Attribute.read(cr);

             attrs[i] = attr;

             try {

                 map.put(attr.getName(cr.getConstantPool()), attr);

             } catch (ConstantPoolException e) {

                 // don't enter invalid names in map

             }

         }

     }

     public Attributes(ConstantPool constant_pool, Attribute[] attrs) {

         this.attrs = attrs;

         map = new HashMap<String,Attribute>();

         for (int i = 0; i < attrs.length; i++) {

             Attribute attr = attrs[i];

             try {

                 map.put(attr.getName(constant_pool), attr);

             } catch (ConstantPoolException e) {

                 // don't enter invalid names in map

             }

         }

     }

     public Iterator<Attribute> iterator() {

         return Arrays.asList(attrs).iterator();

     }

     public Attribute get(int index) {

         return attrs[index];

     }

     public Attribute get(String name) {

         return map.get(name);

     }

     public int size() {

         return attrs.length;

     }

     public final Attribute[] attrs;

     public final Map<String, Attribute> map;

 }