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
015package org.apache.tapestry5.internal.services.assets;
016
017import org.apache.tapestry5.SymbolConstants;
018import org.apache.tapestry5.ioc.annotations.Symbol;
019import org.apache.tapestry5.services.BaseURLSource;
020import org.apache.tapestry5.services.Request;
021import org.apache.tapestry5.services.assets.AssetPathConstructor;
022
023public 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}