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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
AssetSourceImpl.java | 100% | 100% | 100% | 100% |
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// Copyright 2005 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package org.apache.tapestry.asset;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import org.apache.hivemind.Location;
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import org.apache.hivemind.Resource;
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import org.apache.hivemind.util.Defense;
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import org.apache.tapestry.IAsset;
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/**
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* Implementation of the {@link org.apache.tapestry.asset.AssetSource}service interface.
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*
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* @author Howard M. Lewis Ship
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* @since 4.0
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*/
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public class AssetSourceImpl implements AssetSource |
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{ |
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private Map _assetFactoryByPrefix = new HashMap(); |
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private List _contributions;
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private AssetFactory _defaultAssetFactory;
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private AssetFactory _lookupAssetFactory;
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public void initializeService() |
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{ |
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Iterator i = _contributions.iterator(); |
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while (i.hasNext())
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{ |
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AssetFactoryContribution c = (AssetFactoryContribution) i.next(); |
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_assetFactoryByPrefix.put(c.getPrefix(), c.getFactory()); |
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} |
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} |
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public IAsset findAsset(Resource base, String path, Locale locale, Location location)
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{ |
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Defense.notNull(base, "base");
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Defense.notNull(path, "path");
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Defense.notNull(locale, "locale");
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Defense.notNull(location, "location");
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int colonx = path.indexOf(':');
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if (colonx < 0)
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return _lookupAssetFactory.createAsset(base, path, locale, location);
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String prefix = path.substring(0, colonx); |
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String truePath = path.substring(colonx + 1); |
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AssetFactory factory = (AssetFactory) _assetFactoryByPrefix.get(prefix); |
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// Unknown prefix is expected to happen when an external asset (using an established
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// prefix such as http:) is referenced.
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if (factory == null) |
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{ |
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factory = _defaultAssetFactory; |
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// Path is the full path, including the prefix (which is really the scheme
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// of the URL).
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truePath = path; |
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} |
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return factory.createAsset(base, truePath, locale, location);
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} |
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/**
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* Factory used when the path has no prefix, and the type of asset must be inferred from the
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* type of resource.
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*/
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public void setLookupAssetFactory(AssetFactory lookupAssetFactory) |
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{ |
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_lookupAssetFactory = lookupAssetFactory; |
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} |
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/**
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* List of {@link org.apache.tapestry.asset.AssetFactoryContribution}.
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*/
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public void setContributions(List contributions) |
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{ |
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_contributions = contributions; |
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} |
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/**
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* Factory used when an unrecognized prefix (typically, an arbitrary URL's scheme) is provided.
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*/
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public void setDefaultAssetFactory(AssetFactory defaultAssetFactory) |
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{ |
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_defaultAssetFactory = defaultAssetFactory; |
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} |
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} |
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