[forge-dev] [JBoss JIRA] Resolved: (SEAMFORGE-26) Facets & Plugins need a way of determining the most current available version of a dependency

[Lincoln Baxter III (JIRA)]

     [ https://issues.jboss.org/browse/SEAMFORGE-26?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lincoln Baxter III resolved SEAMFORGE-26.
-----------------------------------------

      Assignee: Lincoln Baxter III
    Resolution: Done


Completed by adding 'resolveAvailableVersions(...)' to DependencyFacet.

> 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 at 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 at 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/jboss/arquillian/arquillian-api/"), 
>             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 at 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).*");
>    }
> }

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