diff options
Diffstat (limited to 'sandbox/sebastien/java/embed/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/DirectoryContributionScanner.java')
-rw-r--r-- | sandbox/sebastien/java/embed/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/DirectoryContributionScanner.java | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/embed/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/DirectoryContributionScanner.java b/sandbox/sebastien/java/embed/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/DirectoryContributionScanner.java new file mode 100644 index 0000000000..0800dfaac5 --- /dev/null +++ b/sandbox/sebastien/java/embed/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/scanner/impl/DirectoryContributionScanner.java @@ -0,0 +1,159 @@ +/* + * 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.scanner.impl; + +import java.io.File; +import java.io.IOException; +import java.net.MalformedURLException; +import java.net.URI; +import java.net.URISyntaxException; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.List; +import java.util.Set; + +import org.apache.tuscany.sca.contribution.Artifact; +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.ContributionFactory; +import org.apache.tuscany.sca.contribution.PackageType; +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.contribution.scanner.ContributionScanner; + +/** + * Folder contribution processor. + * + * @version $Rev$ $Date$ + */ +public class DirectoryContributionScanner implements ContributionScanner { + private ContributionFactory contributionFactory; + + public DirectoryContributionScanner(ContributionFactory contributionFactory) { + this.contributionFactory = contributionFactory; + } + + public String getContributionType() { + return PackageType.FOLDER; + } + + public List<Artifact> scan(Contribution contribution) throws ContributionReadException { + File directory = directory(contribution); + List<Artifact> artifacts = new ArrayList<Artifact>(); + List<String> artifactURIs = scanContributionArtifacts(contribution); + for(String uri : artifactURIs) { + try { + File file = new File(directory, uri); + + Artifact artifact = contributionFactory.createArtifact(); + artifact.setURI(uri); + artifact.setLocation(file.toURI().toURL().toString()); + + artifacts.add(artifact); + } catch (MalformedURLException e) { + throw new ContributionReadException(e); + } + } + + contribution.getTypes().add(getContributionType()); + return artifacts; + } + + + /** + * Scan the contribution to retrieve all artifact uris + * + * @param contribution + * @return + * @throws ContributionReadException + */ + private List<String> scanContributionArtifacts(Contribution contribution) throws ContributionReadException { + File directory = directory(contribution); + List<String> artifacts = new ArrayList<String>(); + // [rfeng] There are cases that the folder contains symbolic links that point to the same physical directory + Set<File> visited = new HashSet<File>(); + try { + traverse(artifacts, directory, directory, visited); + } catch (IOException e) { + throw new ContributionReadException(e); + } + + return artifacts; + } + + /** + * Recursively traverse a root directory + * + * @param fileList + * @param file + * @param root + * @param visited The visited directories + * @throws IOException + */ + private static void traverse(List<String> fileList, File file, File root, Set<File> visited) throws IOException { + if (file.isFile()) { + fileList.add(root.toURI().relativize(file.toURI()).toString()); + } else if (file.isDirectory()) { + File dir = file.getCanonicalFile(); + if (!visited.contains(dir)) { + // [rfeng] Add the canonical file into the visited set to avoid duplicate navigation of directories + // following the symbolic links + visited.add(dir); + String uri = root.toURI().relativize(file.toURI()).toString(); + if (uri.endsWith("/")) { + uri = uri.substring(0, uri.length() - 1); + } + fileList.add(uri); + + File[] files = file.listFiles(); + for (File f : files) { + if (!f.getName().startsWith(".")) { + traverse(fileList, f, root, visited); + } + } + } + } + } + + /** + * Get the contribution location as a file + * + * @param contribution + * @return + * @throws ContributionReadException + */ + private File directory(Contribution contribution) throws ContributionReadException { + File file; + URI uri = null; + try { + uri = new URI(contribution.getLocation()); + file = new File(uri); + } catch (URISyntaxException e) { + throw new ContributionReadException(e); + } catch(IllegalArgumentException e) { + // Hack for file:./a.txt or file:../a/c.wsdl + return new File(uri.getPath()); + } + if (!file.exists() || !file.isDirectory()) { + throw new ContributionReadException(contribution.getLocation()); + } + return file; + } + + +} |