1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/context/src/main/java/org/netbeans/html/context/impl/CtxImpl.java	Mon Dec 16 16:59:43 2013 +0100
     1.3 @@ -0,0 +1,110 @@
     1.4 +/**
     1.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
     1.6 + *
     1.7 + * Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
     1.8 + *
     1.9 + * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
    1.10 + * Other names may be trademarks of their respective owners.
    1.11 + *
    1.12 + * The contents of this file are subject to the terms of either the GNU
    1.13 + * General Public License Version 2 only ("GPL") or the Common
    1.14 + * Development and Distribution License("CDDL") (collectively, the
    1.15 + * "License"). You may not use this file except in compliance with the
    1.16 + * License. You can obtain a copy of the License at
    1.17 + * http://www.netbeans.org/cddl-gplv2.html
    1.18 + * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
    1.19 + * specific language governing permissions and limitations under the
    1.20 + * License.  When distributing the software, include this License Header
    1.21 + * Notice in each file and include the License file at
    1.22 + * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this
    1.23 + * particular file as subject to the "Classpath" exception as provided
    1.24 + * by Oracle in the GPL Version 2 section of the License file that
    1.25 + * accompanied this code. If applicable, add the following below the
    1.26 + * License Header, with the fields enclosed by brackets [] replaced by
    1.27 + * your own identifying information:
    1.28 + * "Portions Copyrighted [year] [name of copyright owner]"
    1.29 + *
    1.30 + * Contributor(s):
    1.31 + *
    1.32 + * The Original Software is NetBeans. The Initial Developer of the Original
    1.33 + * Software is Oracle. Portions Copyright 2013-2013 Oracle. All Rights Reserved.
    1.34 + *
    1.35 + * If you wish your version of this file to be governed by only the CDDL
    1.36 + * or only the GPL Version 2, indicate your decision by adding
    1.37 + * "[Contributor] elects to include this software in this distribution
    1.38 + * under the [CDDL or GPL Version 2] license." If you do not indicate a
    1.39 + * single choice of license, a recipient has the option to distribute
    1.40 + * your version of this file under either the CDDL, the GPL Version 2 or
    1.41 + * to extend the choice of license to its licensees as provided above.
    1.42 + * However, if you add GPL Version 2 code and therefore, elected the GPL
    1.43 + * Version 2 license, then the option applies only if the new code is
    1.44 + * made subject to such option by the copyright holder.
    1.45 + */
    1.46 +package org.netbeans.html.context.impl;
    1.47 +
    1.48 +import java.util.ArrayList;
    1.49 +import java.util.Collections;
    1.50 +import java.util.List;
    1.51 +import net.java.html.BrwsrCtx;
    1.52 +
    1.53 +/** Implementation detail. Holds list of technologies for particular
    1.54 + * {@link BrwsrCtx}.
    1.55 + *
    1.56 + * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
    1.57 + */
    1.58 +public final class CtxImpl {
    1.59 +    private final List<Bind<?>> techs;
    1.60 +    
    1.61 +    public CtxImpl() {
    1.62 +        techs = new ArrayList<Bind<?>>();
    1.63 +    }
    1.64 +    
    1.65 +    private CtxImpl(List<Bind<?>> techs) {
    1.66 +        this.techs = techs;
    1.67 +    }
    1.68 +    
    1.69 +    public static <Tech> Tech find(BrwsrCtx context, Class<Tech> technology) {
    1.70 +        CtxImpl impl = CtxAccssr.getDefault().find(context);
    1.71 +        for (Bind<?> bind : impl.techs) {
    1.72 +            if (technology == bind.clazz) {
    1.73 +                return technology.cast(bind.impl);
    1.74 +            }
    1.75 +        }
    1.76 +        return null;
    1.77 +    }
    1.78 +
    1.79 +    public BrwsrCtx build() {
    1.80 +        Collections.sort(techs);
    1.81 +        CtxImpl impl = new CtxImpl(Collections.unmodifiableList(techs));
    1.82 +        return CtxAccssr.getDefault().newContext(impl);
    1.83 +    }
    1.84 +
    1.85 +    public <Tech> void register(Class<Tech> type, Tech impl, int priority) {
    1.86 +        techs.add(new Bind<Tech>(type, impl, priority));
    1.87 +    }
    1.88 +    
    1.89 +    private static final class Bind<Tech> implements Comparable<Bind<?>> {
    1.90 +        private final Class<Tech> clazz;
    1.91 +        private final Tech impl;
    1.92 +        private final int priority;
    1.93 +
    1.94 +        public Bind(Class<Tech> clazz, Tech impl, int priority) {
    1.95 +            this.clazz = clazz;
    1.96 +            this.impl = impl;
    1.97 +            this.priority = priority;
    1.98 +        }
    1.99 +
   1.100 +        @Override
   1.101 +        public int compareTo(Bind<?> o) {
   1.102 +            if (priority != o.priority) {
   1.103 +                return priority - o.priority;
   1.104 +            }
   1.105 +            return clazz.getName().compareTo(o.clazz.getName());
   1.106 +        }
   1.107 +
   1.108 +        @Override
   1.109 +        public String toString() {
   1.110 +            return "Bind{" + "clazz=" + clazz + "@" + clazz.getClassLoader() + ", impl=" + impl + ", priority=" + priority + '}';
   1.111 +        }
   1.112 +    }
   1.113 +}