Facets & Plugins need a way of determining the most current available version of a dependency --------------------------------------------------------------------------------------------- Key: SEAMFORGE-26 URL: https://issues.jboss.org/browse/SEAMFORGE-26 Project: Seam Forge Issue Type: Feature Request Components: Plugin API Affects Versions: 1.0.0.Alpha1 Reporter: Lincoln Baxter III Assignee: Lincoln Baxter III Fix For: 1.0.0.Alpha2 Right now, there is no good way of inspecting Dependency repositories for available versions of a given artifact. For example: ================================================= public class DataProcessor { @Inject private HttpClient client; /** * @param client the client to set */ void setClient(HttpClient client) { this.client = client; } public <T> T process(URL url, final ContentHandler<T> handler) { HttpGet get = new HttpGet(url.toExternalForm()); try { return client.execute(get, new ResponseHandler<T>() { @Override public T handleResponse(HttpResponse response) throws ClientProtocolException, IOException { StringBuilder content = new StringBuilder(); BufferedReader in = new BufferedReader(new InputStreamReader(response.getEntity().getContent())); String line; while( (line = in.readLine()) != null) { content.append(line); } in.close(); return handler.proces(content.toString()); } }); } catch (Exception e) { throw new RuntimeException(e); } } public interface ContentHandler<T> { T proces(String content); } } /* * JBoss, Home of Professional Open Source * Copyright 2010, Red Hat Middleware LLC, and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * Licensed 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.jboss.seam.forge.arquillian.util; import javax.enterprise.context.Dependent; import javax.enterprise.inject.Disposes; import javax.enterprise.inject.Produces; import org.apache.http.client.HttpClient; import org.apache.http.impl.client.DefaultHttpClient; /** * HttpClientProducer * * @author <a href="mailto:aslak@redhat.com">Aslak Knutsen</a> * @version $Revision: $ */ public class HttpClientProducer { @Produces @Dependent public HttpClient createClient() { return new DefaultHttpClient(); } public void destroyClient(@Disposes HttpClient client) { } } /* * JBoss, Home of Professional Open Source * Copyright 2010, Red Hat Middleware LLC, and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * Licensed 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.jboss.seam.forge.arquillian.util; import java.net.URL; import java.util.List; import javax.enterprise.context.ApplicationScoped; import javax.enterprise.inject.Produces; import javax.inject.Inject; /** * VersionsProducer * * @author <a href="mailto:aslak@redhat.com">Aslak Knutsen</a> * @version $Revision: $ */ public class VersionsProducer { @Inject private DataProcessor processor; @Produces @ApplicationScoped public List<String> fetchVersions() throws Exception { return processor.process( new URL("http://repository.jboss.org/nexus/content/groups/public/org/jbo..., new ExtractVersionNumber()); } } /* * JBoss, Home of Professional Open Source * Copyright 2010, Red Hat Middleware LLC, and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * Licensed 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.jboss.seam.forge.arquillian.util; import java.util.ArrayList; import java.util.List; import java.util.regex.Matcher; import java.util.regex.Pattern; /** * ExtractVersionNumber * * @author <a href="mailto:aslak@redhat.com">Aslak Knutsen</a> * @version $Revision: $ */ public class ExtractVersionNumber implements DataProcessor.ContentHandler<List<String>> { /* (non-Javadoc) * @see org.jboss.seam.forge.arquillian.util.DataProcessor.ContentHandler#proces(java.lang.String) */ @Override public List<String> proces(String content) { List<String> versions = new ArrayList<String>(); try { Pattern pattern = Pattern.compile("<a\\b[^>]*href=\"[^>]*>(.*?)/</a>"); Matcher matcher = pattern.matcher(content); int mIdx = 0; while (matcher.find()) { mIdx++; if(mIdx == 1) { continue; } String rawVersion = matcher.group(1); if(include(rawVersion)) { versions.add(rawVersion); } } } catch (Exception e) { throw new RuntimeException("Could not extract version numbers", e); } return versions; } /** * @param rawVersion * @return */ private boolean include(String rawVersion) { return !rawVersion.matches(".*(SP1|SP2|SP3|OSGi).*"); } }