    001    // Copyright 2010, 2011 The Apache Software Foundation
    002    //
    003    // Licensed under the Apache License, Version 2.0 (the "License");
    004    // you may not use this file except in compliance with the License.
    005    // You may obtain a copy of the License at
    006    //
    007    // http://www.apache.org/licenses/LICENSE-2.0
    008    //
    009    // Unless required by applicable law or agreed to in writing, software
    010    // distributed under the License is distributed on an "AS IS" BASIS,
    011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012    // See the License for the specific language governing permissions and
    013    // limitations under the License.
    014
    015    package org.apache.tapestry5.internal.services.assets;
    016
    017    import org.apache.tapestry5.SymbolConstants;
    018    import org.apache.tapestry5.ioc.annotations.Symbol;
    019    import org.apache.tapestry5.services.BaseURLSource;
    020    import org.apache.tapestry5.services.Request;
    021    import org.apache.tapestry5.services.assets.AssetPathConstructor;
    022
    023    public class AssetPathConstructorImpl implements AssetPathConstructor
    024    {
    025        private final Request request;
    026
    027        private final String prefix;
    028
    029        private final BaseURLSource baseURLSource;
    030
    031        private final boolean fullyQualified;
    032
    033        public AssetPathConstructorImpl(Request request,
    034                                        BaseURLSource baseURLSource,
    035
    036                                        @Symbol(SymbolConstants.APPLICATION_VERSION)
    037                                        String applicationVersion,
    038
    039                                        @Symbol(SymbolConstants.APPLICATION_FOLDER)
    040                                        String applicationFolder,
    041
    042                                        @Symbol(SymbolConstants.ASSET_URL_FULL_QUALIFIED)
    043                                        boolean fullyQualified,
    044
    045                                        @Symbol(SymbolConstants.ASSET_PATH_PREFIX)
    046                                        String assetPathPrefix)
    047        {
    048            this.request = request;
    049            this.baseURLSource = baseURLSource;
    050
    051            this.fullyQualified = fullyQualified;
    052
    053            String folder = applicationFolder.equals("") ? "" : "/" + applicationFolder;
    054
    055            this.prefix = folder + assetPathPrefix + applicationVersion + "/";
    056        }
    057
    058        public String constructAssetPath(String virtualFolder, String path)
    059        {
    060            StringBuilder builder = new StringBuilder();
    061
    062            if (fullyQualified)
    063                builder.append(baseURLSource.getBaseURL(request.isSecure()));
    064
    065            builder.append(request.getContextPath());
    066            builder.append(prefix);
    067            builder.append(virtualFolder);
    068            builder.append('/');
    069            builder.append(path);
    070
    071            return builder.toString();
    072        }
    073    }