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100 lines
3.0 KiB
Java
100 lines
3.0 KiB
Java
/**
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* Copyright (c) 2014, Sebastian Sdorra All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer. 2. Redistributions in
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* binary form must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution. 3. Neither the name of SCM-Manager;
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* nor the names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* http://bitbucket.org/sdorra/scm-manager
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*
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*/
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package sonia.scm.plugin;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.nio.file.Files;
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import java.nio.file.Path;
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/**
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* Load web resources from a plugin webapp directory.
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*
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* @author Sebastian Sdorra
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* @since 2.0.0
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*/
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public class PathWebResourceLoader implements WebResourceLoader
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{
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private static final String SEPARATOR = "/";
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/**
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* the logger for PathWebResourceLoader
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*/
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private static final Logger LOG =
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LoggerFactory.getLogger(PathWebResourceLoader.class);
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public PathWebResourceLoader(Path directory)
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{
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this.directory = directory;
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}
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@Override
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public URL getResource(String path) {
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URL resource = null;
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Path file = directory.resolve(filePath(path));
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if (Files.exists(file) && ! Files.isDirectory(file))
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{
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LOG.trace("found path {} at {}", path, file);
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try
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{
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resource = file.toUri().toURL();
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}
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catch (MalformedURLException ex)
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{
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LOG.error("could not transform path to url", ex);
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}
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} else {
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LOG.trace("could not find file {}", file);
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}
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return resource;
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}
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private String filePath(String path) {
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if (path.startsWith(SEPARATOR)) {
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return path.substring(1);
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}
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return path;
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}
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//~--- fields ---------------------------------------------------------------
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/** Field description */
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private final Path directory;
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}
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