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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.contribution.processor.impl;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import org.apache.tuscany.sca.contribution.ContentType;
import org.apache.tuscany.sca.contribution.processor.PackageProcessor;
import org.apache.tuscany.sca.contribution.service.ContributionException;
import org.apache.tuscany.sca.contribution.service.util.FileHelper;
/**
* Folder contribution package processor
*
* @version $Rev$ $Date$
*/
public class FolderContributionProcessor implements PackageProcessor {
/**
* Package-type that this package processor can handle
*/
public static final String PACKAGE_TYPE = ContentType.FOLDER;
public FolderContributionProcessor() {
}
public String getPackageType() {
return PACKAGE_TYPE;
}
/**
* Recursively traverse a root directory
*
* @param fileList
* @param file
* @throws IOException
*/
private void traverse(List<URI> fileList, File file, File root) throws IOException {
if (file.isFile()) {
fileList.add(root.toURI().relativize(file.toURI()));
} else if (file.isDirectory()) {
// FIXME: Maybe we should externalize it as a property
// Regular expression to exclude .xxx files
String uri = root.toURI().relativize(file.toURI()).toString();
if (uri.endsWith("/")) {
uri = uri.substring(0, uri.length() - 1);
}
fileList.add(URI.create(uri));
//FIXME Do we really need to use a regexp here to filter out
// file names that start one or two dots?
File[] files = file.listFiles(FileHelper.getFileFilter("[^\u002e].*", true));
for (int i = 0; i < files.length; i++) {
traverse(fileList, files[i], root);
}
}
}
public URL getArtifactURL(URL sourceURL, URI artifact) throws MalformedURLException {
return new URL(sourceURL, artifact.toString());
}
/**
* Get a list of artifact URI from the folder
*
* @return The list of artifact URI for the folder
* @throws IOException
*/
public List<URI> getArtifacts(URL packageSourceURL, InputStream inputStream) throws ContributionException,
IOException {
if (packageSourceURL == null) {
throw new IllegalArgumentException("Invalid null package source URL.");
}
List<URI> artifacts = new ArrayList<URI>();
// Assume the root is a jar file
File rootFolder;
try {
rootFolder = new File(packageSourceURL.toURI());
if (rootFolder.isDirectory()) {
if (!rootFolder.exists()) {
throw new InvalidFolderContributionException(rootFolder.getAbsolutePath());
}
this.traverse(artifacts, rootFolder, rootFolder);
}
} catch (URISyntaxException e) {
throw new InvalidFolderContributionURIException(packageSourceURL.toExternalForm(), e);
}
return artifacts;
}
}
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